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Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon the earlier of: (i) any transfer, whether or not for value, except for certain \"Permitted Transfers\" as defined in the Issuer's amended and restated certificate of incorporation, and (ii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F15","text":"Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date.  Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon the earlier of: (i) any transfer, whether or not for value, except for certain \"Permitted Transfers\" as defined in the Issuer's amended and restated certificate of incorporation, and (ii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F11","text":"The shares are held by Index VI Parallel.  IVA VI is the general partner of Index VI Parallel and disclaims Section 16 beneficial ownership of such shares except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such shares are beneficially owned by it for Section 16 or any other purpose."}],"balance_after":272532,"derivative":{"underlying":"Class A Common Stock","underlying_shares":54506},"source":{"system":"sec-edgar","filing":"0000899243-21-019914","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":20,"url":"https://www.sec.gov/Archives/edgar/data/1754871/000089924321019914/doc4.xml","form_type":"4"}},{"id":2705656,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":24138,"kind":"organization","name":"Index Ventures VI (Jersey) LP","position":1,"cik":"0001754862","reported_name":"Index Ventures VI (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":124770,"kind":"organization","name":"Index Ventures Growth III (Jersey), L.P.","position":2,"cik":"0001638260","reported_name":"Index Ventures Growth III (Jersey), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24139,"kind":"organization","name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","position":3,"cik":"0001754871","reported_name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24141,"kind":"person","name":"Yucca (Jersey) SLP","position":4,"cik":"0001591294","reported_name":"Yucca (Jersey) SLP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":96868,"kind":"organization","name":"Index Venture Growth Associates III Ltd","position":5,"cik":"0001785453","reported_name":"Index Venture Growth Associates III Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24140,"kind":"organization","name":"Index Venture Associates VI Ltd","position":6,"cik":"0001755035","reported_name":"Index Venture Associates VI Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2021-05-19T20:00:13.000Z","date":"2021-05-17","kind":"exercise","acquired":false,"shares":2700313,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F15","text":"Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date.  Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon the earlier of: (i) any transfer, whether or not for value, except for certain \"Permitted Transfers\" as defined in the Issuer's amended and restated certificate of incorporation, and (ii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"kind","element":"transactionCoding","label":"F8","text":"On May 17, 2021, Index Ventures VI (Jersey), L.P. (\"Index VI\") converted in the aggregate 2,700,313 shares of the Issuer's Class B Common Stock into 2,700,313 shares of the Issuer's Class A Common Stock.  Subsequently on the same date, Index VI distributed in-kind, without consideration, 2,700,313 shares of Class A Common Stock pro-rata to its partners, including its limited partners and its general partner, Index Venture Associates VI Limited (\"IVA VI\"), in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. On the same date, IVA VI distributed in-kind, without consideration, the 675,078 shares of Class A Common Stock received in the Index VI distribution pro-rata to its shareholders, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F15","text":"Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date.  Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon the earlier of: (i) any transfer, whether or not for value, except for certain \"Permitted Transfers\" as defined in the Issuer's amended and restated certificate of incorporation, and (ii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F15","text":"Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date.  Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon the earlier of: (i) any transfer, whether or not for value, except for certain \"Permitted Transfers\" as defined in the Issuer's amended and restated certificate of incorporation, and (ii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F9","text":"The shares are held by Index VI.  IVA VI is the general partner of Index VI and disclaims Section 16 beneficial ownership of such shares except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such shares are beneficially owned by it for Section 16 or any other purpose."}],"balance_after":13501566,"derivative":{"underlying":"Class A Common Stock","underlying_shares":2700313},"source":{"system":"sec-edgar","filing":"0000899243-21-019914","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":19,"url":"https://www.sec.gov/Archives/edgar/data/1754871/000089924321019914/doc4.xml","form_type":"4"}},{"id":2705655,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":24138,"kind":"organization","name":"Index Ventures VI (Jersey) LP","position":1,"cik":"0001754862","reported_name":"Index Ventures VI (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":124770,"kind":"organization","name":"Index Ventures Growth III (Jersey), L.P.","position":2,"cik":"0001638260","reported_name":"Index Ventures Growth III (Jersey), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24139,"kind":"organization","name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","position":3,"cik":"0001754871","reported_name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24141,"kind":"person","name":"Yucca (Jersey) SLP","position":4,"cik":"0001591294","reported_name":"Yucca (Jersey) SLP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":96868,"kind":"organization","name":"Index Venture Growth Associates III Ltd","position":5,"cik":"0001785453","reported_name":"Index Venture Growth Associates III Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24140,"kind":"organization","name":"Index Venture Associates VI Ltd","position":6,"cik":"0001755035","reported_name":"Index Venture Associates VI Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2021-05-19T20:00:13.000Z","date":"2021-05-17","kind":"exercise","acquired":false,"shares":908774,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F15","text":"Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date.  Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon the earlier of: (i) any transfer, whether or not for value, except for certain \"Permitted Transfers\" as defined in the Issuer's amended and restated certificate of incorporation, and (ii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"kind","element":"transactionCoding","label":"F1","text":"On May 17, 2021, Index Ventures Growth III (Jersey), L.P. (\"Index Growth III\") converted in the aggregate 908,774 shares of the Issuer's Class B Common Stock into 908,774 shares of the Issuer's Class A Common Stock.  Subsequently on the same date, Index Growth III distributed in-kind, without consideration, 908,774 shares of Class A Common Stock pro-rata to its limited partners and its general partner, Index Venture Growth Associates III Limited (\"IVGA III\"), in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.  On the same date, IVGA III distributed in-kind, without consideration, 224,285 shares of Class A Common Stock received in the Index Growth III distribution pro-rata to its shareholders, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F15","text":"Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date.  Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon the earlier of: (i) any transfer, whether or not for value, except for certain \"Permitted Transfers\" as defined in the Issuer's amended and restated certificate of incorporation, and (ii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F15","text":"Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date.  Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon the earlier of: (i) any transfer, whether or not for value, except for certain \"Permitted Transfers\" as defined in the Issuer's amended and restated certificate of incorporation, and (ii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"The shares are held by Index Growth III.  IVGA III is the general partner of Index Growth III and disclaims Section 16 beneficial ownership of such shares except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such shares are beneficially owned by it for Section 16 or any other purpose."}],"balance_after":4543868,"derivative":{"underlying":"Class A Common Stock","underlying_shares":908774},"source":{"system":"sec-edgar","filing":"0000899243-21-019914","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":18,"url":"https://www.sec.gov/Archives/edgar/data/1754871/000089924321019914/doc4.xml","form_type":"4"}},{"id":2705654,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":24138,"kind":"organization","name":"Index Ventures VI (Jersey) LP","position":1,"cik":"0001754862","reported_name":"Index Ventures VI (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":124770,"kind":"organization","name":"Index Ventures Growth III (Jersey), L.P.","position":2,"cik":"0001638260","reported_name":"Index Ventures Growth III (Jersey), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24139,"kind":"organization","name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","position":3,"cik":"0001754871","reported_name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24141,"kind":"person","name":"Yucca (Jersey) SLP","position":4,"cik":"0001591294","reported_name":"Yucca (Jersey) SLP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":96868,"kind":"organization","name":"Index Venture Growth Associates III Ltd","position":5,"cik":"0001785453","reported_name":"Index Venture Growth Associates III Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24140,"kind":"organization","name":"Index Venture Associates VI Ltd","position":6,"cik":"0001755035","reported_name":"Index Venture Associates VI Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2021-05-19T20:00:13.000Z","date":"2021-05-17","kind":"sale","acquired":false,"shares":2645,"price":82.2842,"value":217641.709,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F7","text":"The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $82.05 - $82.50. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F14","text":"The shares are held by Yucca.  Yucca is the administrator of the Index co-investment vehicles that are contractually required to mirror the relevant Fund's investment in the Issuer (in this case, Index Growth III, Index VI and Index VI Parallel).  Each of IVGA III and IVA VI disclaims Section 16 beneficial ownership of such shares except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such shares are beneficially owned by it for Section 16 or any other purpose."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0000899243-21-019914","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":17,"url":"https://www.sec.gov/Archives/edgar/data/1754871/000089924321019914/doc4.xml","form_type":"4"}},{"id":2705653,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":24138,"kind":"organization","name":"Index Ventures VI (Jersey) LP","position":1,"cik":"0001754862","reported_name":"Index Ventures VI (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":124770,"kind":"organization","name":"Index Ventures Growth III (Jersey), L.P.","position":2,"cik":"0001638260","reported_name":"Index Ventures Growth III (Jersey), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24139,"kind":"organization","name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","position":3,"cik":"0001754871","reported_name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24141,"kind":"person","name":"Yucca (Jersey) SLP","position":4,"cik":"0001591294","reported_name":"Yucca (Jersey) SLP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":96868,"kind":"organization","name":"Index Venture Growth Associates III Ltd","position":5,"cik":"0001785453","reported_name":"Index Venture Growth Associates III Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24140,"kind":"organization","name":"Index Venture Associates VI Ltd","position":6,"cik":"0001755035","reported_name":"Index Venture Associates VI Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2021-05-19T20:00:13.000Z","date":"2021-05-17","kind":"sale","acquired":false,"shares":56066,"price":81.4917,"value":4568913.6522,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F6","text":"The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $81.00 - $81.98. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F14","text":"The shares are held by Yucca.  Yucca is the administrator of the Index co-investment vehicles that are contractually required to mirror the relevant Fund's investment in the Issuer (in this case, Index Growth III, Index VI and Index VI Parallel).  Each of IVGA III and IVA VI disclaims Section 16 beneficial ownership of such shares except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such shares are beneficially owned by it for Section 16 or any other purpose."}],"balance_after":2645,"source":{"system":"sec-edgar","filing":"0000899243-21-019914","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":16,"url":"https://www.sec.gov/Archives/edgar/data/1754871/000089924321019914/doc4.xml","form_type":"4"}},{"id":2705652,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":24138,"kind":"organization","name":"Index Ventures VI (Jersey) LP","position":1,"cik":"0001754862","reported_name":"Index Ventures VI (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":124770,"kind":"organization","name":"Index Ventures Growth III (Jersey), L.P.","position":2,"cik":"0001638260","reported_name":"Index Ventures Growth III (Jersey), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24139,"kind":"organization","name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","position":3,"cik":"0001754871","reported_name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24141,"kind":"person","name":"Yucca (Jersey) SLP","position":4,"cik":"0001591294","reported_name":"Yucca (Jersey) SLP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":96868,"kind":"organization","name":"Index Venture Growth Associates III Ltd","position":5,"cik":"0001785453","reported_name":"Index Venture Growth Associates III Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24140,"kind":"organization","name":"Index Venture Associates VI Ltd","position":6,"cik":"0001755035","reported_name":"Index Venture Associates VI Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2021-05-19T20:00:13.000Z","date":"2021-05-17","kind":"sale","acquired":false,"shares":42490,"price":80.4125,"value":3416727.125,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $80.00 - $80.99. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F14","text":"The shares are held by Yucca.  Yucca is the administrator of the Index co-investment vehicles that are contractually required to mirror the relevant Fund's investment in the Issuer (in this case, Index Growth III, Index VI and Index VI Parallel).  Each of IVGA III and IVA VI disclaims Section 16 beneficial ownership of such shares except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such shares are beneficially owned by it for Section 16 or any other purpose."}],"balance_after":58711,"source":{"system":"sec-edgar","filing":"0000899243-21-019914","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":15,"url":"https://www.sec.gov/Archives/edgar/data/1754871/000089924321019914/doc4.xml","form_type":"4"}},{"id":2705651,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":24138,"kind":"organization","name":"Index Ventures VI (Jersey) LP","position":1,"cik":"0001754862","reported_name":"Index Ventures VI (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":124770,"kind":"organization","name":"Index Ventures Growth III (Jersey), L.P.","position":2,"cik":"0001638260","reported_name":"Index Ventures Growth III (Jersey), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24139,"kind":"organization","name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","position":3,"cik":"0001754871","reported_name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24141,"kind":"person","name":"Yucca (Jersey) SLP","position":4,"cik":"0001591294","reported_name":"Yucca (Jersey) SLP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":96868,"kind":"organization","name":"Index Venture Growth Associates III Ltd","position":5,"cik":"0001785453","reported_name":"Index Venture Growth Associates III Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24140,"kind":"organization","name":"Index Venture Associates VI Ltd","position":6,"cik":"0001755035","reported_name":"Index Venture Associates VI Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2021-05-19T20:00:13.000Z","date":"2021-05-17","kind":"sale","acquired":false,"shares":17573,"price":79.7762,"value":1401907.1626,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $79.50 - $79.99. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F14","text":"The shares are held by Yucca.  Yucca is the administrator of the Index co-investment vehicles that are contractually required to mirror the relevant Fund's investment in the Issuer (in this case, Index Growth III, Index VI and Index VI Parallel).  Each of IVGA III and IVA VI disclaims Section 16 beneficial ownership of such shares except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such shares are beneficially owned by it for Section 16 or any other purpose."}],"balance_after":101201,"source":{"system":"sec-edgar","filing":"0000899243-21-019914","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":14,"url":"https://www.sec.gov/Archives/edgar/data/1754871/000089924321019914/doc4.xml","form_type":"4"}},{"id":2705650,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":24138,"kind":"organization","name":"Index Ventures VI (Jersey) LP","position":1,"cik":"0001754862","reported_name":"Index Ventures VI (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":124770,"kind":"organization","name":"Index Ventures Growth III (Jersey), L.P.","position":2,"cik":"0001638260","reported_name":"Index Ventures Growth III (Jersey), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24139,"kind":"organization","name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","position":3,"cik":"0001754871","reported_name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24141,"kind":"person","name":"Yucca (Jersey) SLP","position":4,"cik":"0001591294","reported_name":"Yucca (Jersey) SLP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":96868,"kind":"organization","name":"Index Venture Growth Associates III Ltd","position":5,"cik":"0001785453","reported_name":"Index Venture Growth Associates III Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24140,"kind":"organization","name":"Index Venture Associates VI Ltd","position":6,"cik":"0001755035","reported_name":"Index Venture Associates VI Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2021-05-19T20:00:13.000Z","date":"2021-05-17","kind":"exercise","acquired":true,"shares":48709,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F13","text":"On May 17, 2021, Yucca (Jersey) SLP (\"Yucca\") converted in the aggregate 48,709 shares of the Issuer's Class B Common Stock into 48,709 shares of the Issuer's Class A Common Stock."},{"field":"price","element":"transactionPricePerShare","label":"F13","text":"On May 17, 2021, Yucca (Jersey) SLP (\"Yucca\") converted in the aggregate 48,709 shares of the Issuer's Class B Common Stock into 48,709 shares of the Issuer's Class A Common Stock."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F14","text":"The shares are held by Yucca.  Yucca is the administrator of the Index co-investment vehicles that are contractually required to mirror the relevant Fund's investment in the Issuer (in this case, Index Growth III, Index VI and Index VI Parallel).  Each of IVGA III and IVA VI disclaims Section 16 beneficial ownership of such shares except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such shares are beneficially owned by it for Section 16 or any other purpose."}],"balance_after":118774,"source":{"system":"sec-edgar","filing":"0000899243-21-019914","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":13,"url":"https://www.sec.gov/Archives/edgar/data/1754871/000089924321019914/doc4.xml","form_type":"4"}},{"id":2705649,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":24138,"kind":"organization","name":"Index Ventures VI (Jersey) LP","position":1,"cik":"0001754862","reported_name":"Index Ventures VI (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":124770,"kind":"organization","name":"Index Ventures Growth III (Jersey), L.P.","position":2,"cik":"0001638260","reported_name":"Index Ventures Growth III (Jersey), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24139,"kind":"organization","name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","position":3,"cik":"0001754871","reported_name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24141,"kind":"person","name":"Yucca (Jersey) SLP","position":4,"cik":"0001591294","reported_name":"Yucca (Jersey) SLP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":96868,"kind":"organization","name":"Index Venture Growth Associates III Ltd","position":5,"cik":"0001785453","reported_name":"Index Venture Growth Associates III Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24140,"kind":"organization","name":"Index Venture Associates VI Ltd","position":6,"cik":"0001755035","reported_name":"Index Venture Associates VI Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2021-05-19T20:00:13.000Z","date":"2021-05-17","kind":"other","acquired":false,"shares":688705,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F8","text":"On May 17, 2021, Index Ventures VI (Jersey), L.P. (\"Index VI\") converted in the aggregate 2,700,313 shares of the Issuer's Class B Common Stock into 2,700,313 shares of the Issuer's Class A Common Stock.  Subsequently on the same date, Index VI distributed in-kind, without consideration, 2,700,313 shares of Class A Common Stock pro-rata to its partners, including its limited partners and its general partner, Index Venture Associates VI Limited (\"IVA VI\"), in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. On the same date, IVA VI distributed in-kind, without consideration, the 675,078 shares of Class A Common Stock received in the Index VI distribution pro-rata to its shareholders, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended."},{"field":"kind","element":"transactionCoding","label":"F10","text":"On May 17, 2021, Index Ventures VI Parallel Entrepreneur Fund (Jersey), L.P. (\"Index VI Parallel\") converted in the aggregate 54,506 shares of the Issuer's Class B Common Stock into 54,506 shares of the Issuer's Class A Common Stock.  Subsequently on the same date, Index VI Parallel distributed in-kind, without consideration, 54,506 shares of Class A Common Stock pro-rata to its partners, including its limited partners and its general partner, IVA VI, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.  On the same date, IVA VI distributed in-kind, without consideration, the 13,627 shares of Class A Common Stock received in the Index VI Parallel distribution pro-rata to its shareholders, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended."},{"field":"price","element":"transactionPricePerShare","label":"F8","text":"On May 17, 2021, Index Ventures VI (Jersey), L.P. (\"Index VI\") converted in the aggregate 2,700,313 shares of the Issuer's Class B Common Stock into 2,700,313 shares of the Issuer's Class A Common Stock.  Subsequently on the same date, Index VI distributed in-kind, without consideration, 2,700,313 shares of Class A Common Stock pro-rata to its partners, including its limited partners and its general partner, Index Venture Associates VI Limited (\"IVA VI\"), in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. On the same date, IVA VI distributed in-kind, without consideration, the 675,078 shares of Class A Common Stock received in the Index VI distribution pro-rata to its shareholders, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended."},{"field":"price","element":"transactionPricePerShare","label":"F10","text":"On May 17, 2021, Index Ventures VI Parallel Entrepreneur Fund (Jersey), L.P. (\"Index VI Parallel\") converted in the aggregate 54,506 shares of the Issuer's Class B Common Stock into 54,506 shares of the Issuer's Class A Common Stock.  Subsequently on the same date, Index VI Parallel distributed in-kind, without consideration, 54,506 shares of Class A Common Stock pro-rata to its partners, including its limited partners and its general partner, IVA VI, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.  On the same date, IVA VI distributed in-kind, without consideration, the 13,627 shares of Class A Common Stock received in the Index VI Parallel distribution pro-rata to its shareholders, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F12","text":"The shares are held by IVA VI."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0000899243-21-019914","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":12,"url":"https://www.sec.gov/Archives/edgar/data/1754871/000089924321019914/doc4.xml","form_type":"4"}},{"id":2705648,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":24138,"kind":"organization","name":"Index Ventures VI (Jersey) LP","position":1,"cik":"0001754862","reported_name":"Index Ventures VI (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":124770,"kind":"organization","name":"Index Ventures Growth III (Jersey), L.P.","position":2,"cik":"0001638260","reported_name":"Index Ventures Growth III (Jersey), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24139,"kind":"organization","name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","position":3,"cik":"0001754871","reported_name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24141,"kind":"person","name":"Yucca (Jersey) SLP","position":4,"cik":"0001591294","reported_name":"Yucca (Jersey) SLP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":96868,"kind":"organization","name":"Index Venture Growth Associates III Ltd","position":5,"cik":"0001785453","reported_name":"Index Venture Growth Associates III Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24140,"kind":"organization","name":"Index Venture Associates VI Ltd","position":6,"cik":"0001755035","reported_name":"Index Venture Associates VI Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2021-05-19T20:00:13.000Z","date":"2021-05-17","kind":"other","acquired":false,"shares":54506,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F10","text":"On May 17, 2021, Index Ventures VI Parallel Entrepreneur Fund (Jersey), L.P. (\"Index VI Parallel\") converted in the aggregate 54,506 shares of the Issuer's Class B Common Stock into 54,506 shares of the Issuer's Class A Common Stock.  Subsequently on the same date, Index VI Parallel distributed in-kind, without consideration, 54,506 shares of Class A Common Stock pro-rata to its partners, including its limited partners and its general partner, IVA VI, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.  On the same date, IVA VI distributed in-kind, without consideration, the 13,627 shares of Class A Common Stock received in the Index VI Parallel distribution pro-rata to its shareholders, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended."},{"field":"price","element":"transactionPricePerShare","label":"F10","text":"On May 17, 2021, Index Ventures VI Parallel Entrepreneur Fund (Jersey), L.P. (\"Index VI Parallel\") converted in the aggregate 54,506 shares of the Issuer's Class B Common Stock into 54,506 shares of the Issuer's Class A Common Stock.  Subsequently on the same date, Index VI Parallel distributed in-kind, without consideration, 54,506 shares of Class A Common Stock pro-rata to its partners, including its limited partners and its general partner, IVA VI, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.  On the same date, IVA VI distributed in-kind, without consideration, the 13,627 shares of Class A Common Stock received in the Index VI Parallel distribution pro-rata to its shareholders, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F11","text":"The shares are held by Index VI Parallel.  IVA VI is the general partner of Index VI Parallel and disclaims Section 16 beneficial ownership of such shares except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such shares are beneficially owned by it for Section 16 or any other purpose."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0000899243-21-019914","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":11,"url":"https://www.sec.gov/Archives/edgar/data/1754871/000089924321019914/doc4.xml","form_type":"4"}},{"id":2705647,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":24138,"kind":"organization","name":"Index Ventures VI (Jersey) LP","position":1,"cik":"0001754862","reported_name":"Index Ventures VI (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":124770,"kind":"organization","name":"Index Ventures Growth III (Jersey), L.P.","position":2,"cik":"0001638260","reported_name":"Index Ventures Growth III (Jersey), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24139,"kind":"organization","name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","position":3,"cik":"0001754871","reported_name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24141,"kind":"person","name":"Yucca (Jersey) SLP","position":4,"cik":"0001591294","reported_name":"Yucca (Jersey) SLP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":96868,"kind":"organization","name":"Index Venture Growth Associates III Ltd","position":5,"cik":"0001785453","reported_name":"Index Venture Growth Associates III Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24140,"kind":"organization","name":"Index Venture Associates VI Ltd","position":6,"cik":"0001755035","reported_name":"Index Venture Associates VI Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2021-05-19T20:00:13.000Z","date":"2021-05-17","kind":"exercise","acquired":true,"shares":54506,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F10","text":"On May 17, 2021, Index Ventures VI Parallel Entrepreneur Fund (Jersey), L.P. (\"Index VI Parallel\") converted in the aggregate 54,506 shares of the Issuer's Class B Common Stock into 54,506 shares of the Issuer's Class A Common Stock.  Subsequently on the same date, Index VI Parallel distributed in-kind, without consideration, 54,506 shares of Class A Common Stock pro-rata to its partners, including its limited partners and its general partner, IVA VI, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.  On the same date, IVA VI distributed in-kind, without consideration, the 13,627 shares of Class A Common Stock received in the Index VI Parallel distribution pro-rata to its shareholders, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended."},{"field":"price","element":"transactionPricePerShare","label":"F10","text":"On May 17, 2021, Index Ventures VI Parallel Entrepreneur Fund (Jersey), L.P. (\"Index VI Parallel\") converted in the aggregate 54,506 shares of the Issuer's Class B Common Stock into 54,506 shares of the Issuer's Class A Common Stock.  Subsequently on the same date, Index VI Parallel distributed in-kind, without consideration, 54,506 shares of Class A Common Stock pro-rata to its partners, including its limited partners and its general partner, IVA VI, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.  On the same date, IVA VI distributed in-kind, without consideration, the 13,627 shares of Class A Common Stock received in the Index VI Parallel distribution pro-rata to its shareholders, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F11","text":"The shares are held by Index VI Parallel.  IVA VI is the general partner of Index VI Parallel and disclaims Section 16 beneficial ownership of such shares except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such shares are beneficially owned by it for Section 16 or any other purpose."}],"balance_after":54506,"source":{"system":"sec-edgar","filing":"0000899243-21-019914","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":10,"url":"https://www.sec.gov/Archives/edgar/data/1754871/000089924321019914/doc4.xml","form_type":"4"}},{"id":2705646,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":24138,"kind":"organization","name":"Index Ventures VI (Jersey) LP","position":1,"cik":"0001754862","reported_name":"Index Ventures VI (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":124770,"kind":"organization","name":"Index Ventures Growth III (Jersey), L.P.","position":2,"cik":"0001638260","reported_name":"Index Ventures Growth III (Jersey), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24139,"kind":"organization","name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","position":3,"cik":"0001754871","reported_name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24141,"kind":"person","name":"Yucca (Jersey) SLP","position":4,"cik":"0001591294","reported_name":"Yucca (Jersey) SLP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":96868,"kind":"organization","name":"Index Venture Growth Associates III Ltd","position":5,"cik":"0001785453","reported_name":"Index Venture Growth Associates III Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24140,"kind":"organization","name":"Index Venture Associates VI Ltd","position":6,"cik":"0001755035","reported_name":"Index Venture Associates VI Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2021-05-19T20:00:13.000Z","date":"2021-05-17","kind":"other","acquired":false,"shares":2700313,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F8","text":"On May 17, 2021, Index Ventures VI (Jersey), L.P. (\"Index VI\") converted in the aggregate 2,700,313 shares of the Issuer's Class B Common Stock into 2,700,313 shares of the Issuer's Class A Common Stock.  Subsequently on the same date, Index VI distributed in-kind, without consideration, 2,700,313 shares of Class A Common Stock pro-rata to its partners, including its limited partners and its general partner, Index Venture Associates VI Limited (\"IVA VI\"), in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. On the same date, IVA VI distributed in-kind, without consideration, the 675,078 shares of Class A Common Stock received in the Index VI distribution pro-rata to its shareholders, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended."},{"field":"price","element":"transactionPricePerShare","label":"F8","text":"On May 17, 2021, Index Ventures VI (Jersey), L.P. (\"Index VI\") converted in the aggregate 2,700,313 shares of the Issuer's Class B Common Stock into 2,700,313 shares of the Issuer's Class A Common Stock.  Subsequently on the same date, Index VI distributed in-kind, without consideration, 2,700,313 shares of Class A Common Stock pro-rata to its partners, including its limited partners and its general partner, Index Venture Associates VI Limited (\"IVA VI\"), in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. On the same date, IVA VI distributed in-kind, without consideration, the 675,078 shares of Class A Common Stock received in the Index VI distribution pro-rata to its shareholders, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F9","text":"The shares are held by Index VI.  IVA VI is the general partner of Index VI and disclaims Section 16 beneficial ownership of such shares except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such shares are beneficially owned by it for Section 16 or any other purpose."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0000899243-21-019914","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1754871/000089924321019914/doc4.xml","form_type":"4"}},{"id":2705645,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":24138,"kind":"organization","name":"Index Ventures VI (Jersey) LP","position":1,"cik":"0001754862","reported_name":"Index Ventures VI (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":124770,"kind":"organization","name":"Index Ventures Growth III (Jersey), L.P.","position":2,"cik":"0001638260","reported_name":"Index Ventures Growth III (Jersey), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24139,"kind":"organization","name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","position":3,"cik":"0001754871","reported_name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24141,"kind":"person","name":"Yucca (Jersey) SLP","position":4,"cik":"0001591294","reported_name":"Yucca (Jersey) SLP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":96868,"kind":"organization","name":"Index Venture Growth Associates III Ltd","position":5,"cik":"0001785453","reported_name":"Index Venture Growth Associates III Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24140,"kind":"organization","name":"Index Venture Associates VI Ltd","position":6,"cik":"0001755035","reported_name":"Index Venture Associates VI Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2021-05-19T20:00:13.000Z","date":"2021-05-17","kind":"exercise","acquired":true,"shares":2700313,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F8","text":"On May 17, 2021, Index Ventures VI (Jersey), L.P. (\"Index VI\") converted in the aggregate 2,700,313 shares of the Issuer's Class B Common Stock into 2,700,313 shares of the Issuer's Class A Common Stock.  Subsequently on the same date, Index VI distributed in-kind, without consideration, 2,700,313 shares of Class A Common Stock pro-rata to its partners, including its limited partners and its general partner, Index Venture Associates VI Limited (\"IVA VI\"), in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. On the same date, IVA VI distributed in-kind, without consideration, the 675,078 shares of Class A Common Stock received in the Index VI distribution pro-rata to its shareholders, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended."},{"field":"price","element":"transactionPricePerShare","label":"F8","text":"On May 17, 2021, Index Ventures VI (Jersey), L.P. (\"Index VI\") converted in the aggregate 2,700,313 shares of the Issuer's Class B Common Stock into 2,700,313 shares of the Issuer's Class A Common Stock.  Subsequently on the same date, Index VI distributed in-kind, without consideration, 2,700,313 shares of Class A Common Stock pro-rata to its partners, including its limited partners and its general partner, Index Venture Associates VI Limited (\"IVA VI\"), in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. On the same date, IVA VI distributed in-kind, without consideration, the 675,078 shares of Class A Common Stock received in the Index VI distribution pro-rata to its shareholders, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F9","text":"The shares are held by Index VI.  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(\"Index Growth III\") converted in the aggregate 908,774 shares of the Issuer's Class B Common Stock into 908,774 shares of the Issuer's Class A Common Stock.  Subsequently on the same date, Index Growth III distributed in-kind, without consideration, 908,774 shares of Class A Common Stock pro-rata to its limited partners and its general partner, Index Venture Growth Associates III Limited (\"IVGA III\"), in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.  On the same date, IVGA III distributed in-kind, without consideration, 224,285 shares of Class A Common Stock received in the Index Growth III distribution pro-rata to its shareholders, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"The shares are held by Index Growth III.  IVGA III is the general partner of Index Growth III and disclaims Section 16 beneficial ownership of such shares except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such shares are beneficially owned by it for Section 16 or any other purpose."}],"balance_after":908774,"source":{"system":"sec-edgar","filing":"0000899243-21-019914","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1754871/000089924321019914/doc4.xml","form_type":"4"}},{"id":2846444,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":24138,"kind":"organization","name":"Index Ventures VI (Jersey) LP","position":1,"cik":"0001754862","reported_name":"Index Ventures VI (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":124770,"kind":"organization","name":"Index Ventures Growth III (Jersey), L.P.","position":2,"cik":"0001638260","reported_name":"Index Ventures Growth III (Jersey), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24139,"kind":"organization","name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","position":3,"cik":"0001754871","reported_name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24141,"kind":"person","name":"Yucca (Jersey) SLP","position":4,"cik":"0001591294","reported_name":"Yucca (Jersey) SLP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":96868,"kind":"organization","name":"Index Venture Growth Associates III Ltd","position":5,"cik":"0001785453","reported_name":"Index Venture Growth Associates III Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24140,"kind":"organization","name":"Index Venture Associates VI Ltd","position":6,"cik":"0001755035","reported_name":"Index Venture Associates VI Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2021-02-19T21:15:51.000Z","date":"2021-02-17","kind":"exercise","acquired":false,"shares":70065,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F9","text":"Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date.  Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon the earlier of: (i) any transfer, whether or not for value, except for certain \"Permitted Transfers\" as defined in the Issuer's amended and restated certificate of incorporation, and (ii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"kind","element":"transactionCoding","label":"F7","text":"On February 17, 2021, Yucca (Jersey) SLP (\"Yucca\") converted in the aggregate 70,065 shares of the Issuer's Class B Common Stock into 70,065 shares of the Issuer's Class A Common Stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F9","text":"Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date.  Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon the earlier of: (i) any transfer, whether or not for value, except for certain \"Permitted Transfers\" as defined in the Issuer's amended and restated certificate of incorporation, and (ii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F9","text":"Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date.  Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon the earlier of: (i) any transfer, whether or not for value, except for certain \"Permitted Transfers\" as defined in the Issuer's amended and restated certificate of incorporation, and (ii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F8","text":"The shares are held by Yucca.  Yucca is the administrator of the Index co-investment vehicles that are contractually required to mirror the relevant Fund's investment in the Issuer (in this case, Index Growth III, Index VI and Index VI Parallel).  Each of IVGA III and IVA VI disclaims Section 16 beneficial ownership of such shares except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such shares are beneficially owned by it for Section 16 or any other purpose."}],"balance_after":292251,"derivative":{"underlying":"Class A Common Stock","underlying_shares":70065},"source":{"system":"sec-edgar","filing":"0000899243-21-007381","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":11,"url":"https://www.sec.gov/Archives/edgar/data/1754871/000089924321007381/doc4.xml","form_type":"4"}},{"id":2846443,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":24138,"kind":"organization","name":"Index Ventures VI (Jersey) LP","position":1,"cik":"0001754862","reported_name":"Index Ventures VI (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":124770,"kind":"organization","name":"Index Ventures Growth III (Jersey), L.P.","position":2,"cik":"0001638260","reported_name":"Index Ventures Growth III (Jersey), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24139,"kind":"organization","name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","position":3,"cik":"0001754871","reported_name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24141,"kind":"person","name":"Yucca (Jersey) SLP","position":4,"cik":"0001591294","reported_name":"Yucca (Jersey) SLP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":96868,"kind":"organization","name":"Index Venture Growth Associates III Ltd","position":5,"cik":"0001785453","reported_name":"Index Venture Growth Associates III Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24140,"kind":"organization","name":"Index Venture Associates VI Ltd","position":6,"cik":"0001755035","reported_name":"Index Venture Associates VI Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2021-02-19T21:15:51.000Z","date":"2021-02-17","kind":"exercise","acquired":false,"shares":78405,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F9","text":"Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date.  Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon the earlier of: (i) any transfer, whether or not for value, except for certain \"Permitted Transfers\" as defined in the Issuer's amended and restated certificate of incorporation, and (ii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"kind","element":"transactionCoding","label":"F5","text":"On February 17, 2021, Index Ventures VI Parallel Entrepreneur Fund (Jersey), L.P. (\"Index VI Parallel\") converted in the aggregate 78,405 shares of the Issuer's Class B Common Stock into 78,405 shares of the Issuer's Class A Common Stock.  Subsequently on the same date, Index VI Parallel distributed in-kind, without consideration, 78,405 shares of Class A Common Stock pro-rata to its partners, including its limited partners and its general partner, IVA VI, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.  On the same date, IVA VI distributed in-kind, without consideration, the 19,601 shares of Class A Common Stock received in the Index VI Parallel distribution pro-rata to its shareholders, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F9","text":"Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date.  Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon the earlier of: (i) any transfer, whether or not for value, except for certain \"Permitted Transfers\" as defined in the Issuer's amended and restated certificate of incorporation, and (ii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F9","text":"Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date.  Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon the earlier of: (i) any transfer, whether or not for value, except for certain \"Permitted Transfers\" as defined in the Issuer's amended and restated certificate of incorporation, and (ii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F6","text":"The shares are held by Index VI Parallel.  IVA VI is the general partner of Index VI Parallel and disclaims Section 16 beneficial ownership of such shares except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such shares are beneficially owned by it for Section 16 or any other purpose."}],"balance_after":327038,"derivative":{"underlying":"Class A Common Stock","underlying_shares":78405},"source":{"system":"sec-edgar","filing":"0000899243-21-007381","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":10,"url":"https://www.sec.gov/Archives/edgar/data/1754871/000089924321007381/doc4.xml","form_type":"4"}},{"id":2846442,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":24138,"kind":"organization","name":"Index Ventures VI (Jersey) LP","position":1,"cik":"0001754862","reported_name":"Index Ventures VI (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":124770,"kind":"organization","name":"Index Ventures Growth III (Jersey), L.P.","position":2,"cik":"0001638260","reported_name":"Index Ventures Growth III (Jersey), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24139,"kind":"organization","name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","position":3,"cik":"0001754871","reported_name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24141,"kind":"person","name":"Yucca (Jersey) SLP","position":4,"cik":"0001591294","reported_name":"Yucca (Jersey) SLP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":96868,"kind":"organization","name":"Index Venture Growth Associates III Ltd","position":5,"cik":"0001785453","reported_name":"Index Venture Growth Associates III Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24140,"kind":"organization","name":"Index Venture Associates VI Ltd","position":6,"cik":"0001755035","reported_name":"Index Venture Associates VI Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2021-02-19T21:15:51.000Z","date":"2021-02-17","kind":"exercise","acquired":false,"shares":3884294,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F9","text":"Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date.  Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon the earlier of: (i) any transfer, whether or not for value, except for certain \"Permitted Transfers\" as defined in the Issuer's amended and restated certificate of incorporation, and (ii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"kind","element":"transactionCoding","label":"F3","text":"On February 17, 2021, Index Ventures VI (Jersey), L.P. (\"Index VI\") converted in the aggregate 3,884,924 shares of the Issuer's Class B Common Stock into 3,884,924 shares of the Issuer's Class A Common Stock.  Subsequently on the same date, Index VI distributed in-kind, without consideration, 3,884,925 shares of Class A Common Stock pro-rata to its partners, including its limited partners and its general partner, Index Venture Associates VI Limited (\"IVA VI\"), in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. On the same date, IVA VI distributed in-kind, without consideration, the 954,203 shares of Class A Common Stock received in the Index VI distribution pro-rata to its shareholders, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F9","text":"Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date.  Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon the earlier of: (i) any transfer, whether or not for value, except for certain \"Permitted Transfers\" as defined in the Issuer's amended and restated certificate of incorporation, and (ii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F9","text":"Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date.  Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon the earlier of: (i) any transfer, whether or not for value, except for certain \"Permitted Transfers\" as defined in the Issuer's amended and restated certificate of incorporation, and (ii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F4","text":"The shares are held by Index VI.  IVA VI is the general partner of Index VI and disclaims Section 16 beneficial ownership of such shares except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such shares are beneficially owned by it for Section 16 or any other purpose."}],"balance_after":16201879,"derivative":{"underlying":"Class A Common Stock","underlying_shares":3884294},"source":{"system":"sec-edgar","filing":"0000899243-21-007381","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1754871/000089924321007381/doc4.xml","form_type":"4"}},{"id":2846441,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":24138,"kind":"organization","name":"Index Ventures VI (Jersey) LP","position":1,"cik":"0001754862","reported_name":"Index Ventures VI (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":124770,"kind":"organization","name":"Index Ventures Growth III (Jersey), L.P.","position":2,"cik":"0001638260","reported_name":"Index Ventures Growth III (Jersey), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24139,"kind":"organization","name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","position":3,"cik":"0001754871","reported_name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24141,"kind":"person","name":"Yucca (Jersey) SLP","position":4,"cik":"0001591294","reported_name":"Yucca (Jersey) SLP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":96868,"kind":"organization","name":"Index Venture Growth Associates III Ltd","position":5,"cik":"0001785453","reported_name":"Index Venture Growth Associates III Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24140,"kind":"organization","name":"Index Venture Associates VI Ltd","position":6,"cik":"0001755035","reported_name":"Index Venture Associates VI Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2021-02-19T21:15:51.000Z","date":"2021-02-17","kind":"exercise","acquired":false,"shares":1307235,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F9","text":"Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date.  Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon the earlier of: (i) any transfer, whether or not for value, except for certain \"Permitted Transfers\" as defined in the Issuer's amended and restated certificate of incorporation, and (ii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"kind","element":"transactionCoding","label":"F1","text":"On February 17, 2021, Index Ventures Growth III (Jersey), L.P. (\"Index Growth III\") converted in the aggregate 1,307,235 shares of the Issuer's Class B Common Stock into 1,307,235 shares of the Issuer's Class A Common Stock.  Subsequently on the same date, Index Growth III distributed in-kind, without consideration, 1,307,235 shares of Class A Common Stock pro-rata to its limited partners, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F9","text":"Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date.  Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon the earlier of: (i) any transfer, whether or not for value, except for certain \"Permitted Transfers\" as defined in the Issuer's amended and restated certificate of incorporation, and (ii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F9","text":"Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date.  Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon the earlier of: (i) any transfer, whether or not for value, except for certain \"Permitted Transfers\" as defined in the Issuer's amended and restated certificate of incorporation, and (ii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"The shares are held by Index Growth III.  Index Venture Growth Associates III Limited (\"IVGA III\") is the general partner of Index Growth III and disclaims Section 16 beneficial ownership of such shares except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such shares are beneficially owned by it for Section 16 or any other purpose."}],"balance_after":5452642,"derivative":{"underlying":"Class A Common Stock","underlying_shares":1307235},"source":{"system":"sec-edgar","filing":"0000899243-21-007381","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1754871/000089924321007381/doc4.xml","form_type":"4"}},{"id":2846440,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":24138,"kind":"organization","name":"Index Ventures VI (Jersey) LP","position":1,"cik":"0001754862","reported_name":"Index Ventures VI (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":124770,"kind":"organization","name":"Index Ventures Growth III (Jersey), L.P.","position":2,"cik":"0001638260","reported_name":"Index Ventures Growth III (Jersey), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24139,"kind":"organization","name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","position":3,"cik":"0001754871","reported_name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24141,"kind":"person","name":"Yucca (Jersey) SLP","position":4,"cik":"0001591294","reported_name":"Yucca (Jersey) SLP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":96868,"kind":"organization","name":"Index Venture Growth Associates III Ltd","position":5,"cik":"0001785453","reported_name":"Index Venture Growth Associates III Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24140,"kind":"organization","name":"Index Venture Associates VI Ltd","position":6,"cik":"0001755035","reported_name":"Index Venture Associates VI Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2021-02-19T21:15:51.000Z","date":"2021-02-17","kind":"exercise","acquired":true,"shares":70065,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F7","text":"On February 17, 2021, Yucca (Jersey) SLP (\"Yucca\") converted in the aggregate 70,065 shares of the Issuer's Class B Common Stock into 70,065 shares of the Issuer's Class A Common Stock."},{"field":"price","element":"transactionPricePerShare","label":"F7","text":"On February 17, 2021, Yucca (Jersey) SLP (\"Yucca\") converted in the aggregate 70,065 shares of the Issuer's Class B Common Stock into 70,065 shares of the Issuer's Class A Common Stock."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F8","text":"The shares are held by Yucca.  Yucca is the administrator of the Index co-investment vehicles that are contractually required to mirror the relevant Fund's investment in the Issuer (in this case, Index Growth III, Index VI and Index VI Parallel).  Each of IVGA III and IVA VI disclaims Section 16 beneficial ownership of such shares except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such shares are beneficially owned by it for Section 16 or any other purpose."}],"balance_after":70065,"source":{"system":"sec-edgar","filing":"0000899243-21-007381","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1754871/000089924321007381/doc4.xml","form_type":"4"}},{"id":2846439,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":24138,"kind":"organization","name":"Index Ventures VI (Jersey) LP","position":1,"cik":"0001754862","reported_name":"Index Ventures VI (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":124770,"kind":"organization","name":"Index Ventures Growth III (Jersey), L.P.","position":2,"cik":"0001638260","reported_name":"Index Ventures Growth III (Jersey), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24139,"kind":"organization","name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","position":3,"cik":"0001754871","reported_name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24141,"kind":"person","name":"Yucca (Jersey) SLP","position":4,"cik":"0001591294","reported_name":"Yucca (Jersey) SLP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":96868,"kind":"organization","name":"Index Venture Growth Associates III Ltd","position":5,"cik":"0001785453","reported_name":"Index Venture Growth Associates III Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24140,"kind":"organization","name":"Index Venture Associates VI Ltd","position":6,"cik":"0001755035","reported_name":"Index Venture Associates VI Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2021-02-19T21:15:51.000Z","date":"2021-02-17","kind":"other","acquired":false,"shares":78405,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F5","text":"On February 17, 2021, Index Ventures VI Parallel Entrepreneur Fund (Jersey), L.P. (\"Index VI Parallel\") converted in the aggregate 78,405 shares of the Issuer's Class B Common Stock into 78,405 shares of the Issuer's Class A Common Stock.  Subsequently on the same date, Index VI Parallel distributed in-kind, without consideration, 78,405 shares of Class A Common Stock pro-rata to its partners, including its limited partners and its general partner, IVA VI, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.  On the same date, IVA VI distributed in-kind, without consideration, the 19,601 shares of Class A Common Stock received in the Index VI Parallel distribution pro-rata to its shareholders, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"On February 17, 2021, Index Ventures VI Parallel Entrepreneur Fund (Jersey), L.P. (\"Index VI Parallel\") converted in the aggregate 78,405 shares of the Issuer's Class B Common Stock into 78,405 shares of the Issuer's Class A Common Stock.  Subsequently on the same date, Index VI Parallel distributed in-kind, without consideration, 78,405 shares of Class A Common Stock pro-rata to its partners, including its limited partners and its general partner, IVA VI, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.  On the same date, IVA VI distributed in-kind, without consideration, the 19,601 shares of Class A Common Stock received in the Index VI Parallel distribution pro-rata to its shareholders, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F6","text":"The shares are held by Index VI Parallel.  IVA VI is the general partner of Index VI Parallel and disclaims Section 16 beneficial ownership of such shares except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such shares are beneficially owned by it for Section 16 or any other purpose."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0000899243-21-007381","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1754871/000089924321007381/doc4.xml","form_type":"4"}},{"id":2846438,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":24138,"kind":"organization","name":"Index Ventures VI (Jersey) LP","position":1,"cik":"0001754862","reported_name":"Index Ventures VI (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":124770,"kind":"organization","name":"Index Ventures Growth III (Jersey), L.P.","position":2,"cik":"0001638260","reported_name":"Index Ventures Growth III (Jersey), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24139,"kind":"organization","name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","position":3,"cik":"0001754871","reported_name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24141,"kind":"person","name":"Yucca (Jersey) SLP","position":4,"cik":"0001591294","reported_name":"Yucca (Jersey) SLP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":96868,"kind":"organization","name":"Index Venture Growth Associates III Ltd","position":5,"cik":"0001785453","reported_name":"Index Venture Growth Associates III Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24140,"kind":"organization","name":"Index Venture Associates VI Ltd","position":6,"cik":"0001755035","reported_name":"Index Venture Associates VI Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2021-02-19T21:15:51.000Z","date":"2021-02-17","kind":"exercise","acquired":true,"shares":78405,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F5","text":"On February 17, 2021, Index Ventures VI Parallel Entrepreneur Fund (Jersey), L.P. (\"Index VI Parallel\") converted in the aggregate 78,405 shares of the Issuer's Class B Common Stock into 78,405 shares of the Issuer's Class A Common Stock.  Subsequently on the same date, Index VI Parallel distributed in-kind, without consideration, 78,405 shares of Class A Common Stock pro-rata to its partners, including its limited partners and its general partner, IVA VI, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.  On the same date, IVA VI distributed in-kind, without consideration, the 19,601 shares of Class A Common Stock received in the Index VI Parallel distribution pro-rata to its shareholders, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"On February 17, 2021, Index Ventures VI Parallel Entrepreneur Fund (Jersey), L.P. (\"Index VI Parallel\") converted in the aggregate 78,405 shares of the Issuer's Class B Common Stock into 78,405 shares of the Issuer's Class A Common Stock.  Subsequently on the same date, Index VI Parallel distributed in-kind, without consideration, 78,405 shares of Class A Common Stock pro-rata to its partners, including its limited partners and its general partner, IVA VI, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.  On the same date, IVA VI distributed in-kind, without consideration, the 19,601 shares of Class A Common Stock received in the Index VI Parallel distribution pro-rata to its shareholders, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F6","text":"The shares are held by Index VI Parallel.  IVA VI is the general partner of Index VI Parallel and disclaims Section 16 beneficial ownership of such shares except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such shares are beneficially owned by it for Section 16 or any other purpose."}],"balance_after":78405,"source":{"system":"sec-edgar","filing":"0000899243-21-007381","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1754871/000089924321007381/doc4.xml","form_type":"4"}},{"id":2846437,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":24138,"kind":"organization","name":"Index Ventures VI (Jersey) LP","position":1,"cik":"0001754862","reported_name":"Index Ventures VI (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":124770,"kind":"organization","name":"Index Ventures Growth III (Jersey), L.P.","position":2,"cik":"0001638260","reported_name":"Index Ventures Growth III (Jersey), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24139,"kind":"organization","name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","position":3,"cik":"0001754871","reported_name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24141,"kind":"person","name":"Yucca (Jersey) SLP","position":4,"cik":"0001591294","reported_name":"Yucca (Jersey) SLP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":96868,"kind":"organization","name":"Index Venture Growth Associates III Ltd","position":5,"cik":"0001785453","reported_name":"Index Venture Growth Associates III Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24140,"kind":"organization","name":"Index Venture Associates VI Ltd","position":6,"cik":"0001755035","reported_name":"Index Venture Associates VI Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2021-02-19T21:15:51.000Z","date":"2021-02-17","kind":"other","acquired":false,"shares":3884295,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"On February 17, 2021, Index Ventures VI (Jersey), L.P. (\"Index VI\") converted in the aggregate 3,884,924 shares of the Issuer's Class B Common Stock into 3,884,924 shares of the Issuer's Class A Common Stock.  Subsequently on the same date, Index VI distributed in-kind, without consideration, 3,884,925 shares of Class A Common Stock pro-rata to its partners, including its limited partners and its general partner, Index Venture Associates VI Limited (\"IVA VI\"), in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. On the same date, IVA VI distributed in-kind, without consideration, the 954,203 shares of Class A Common Stock received in the Index VI distribution pro-rata to its shareholders, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"On February 17, 2021, Index Ventures VI (Jersey), L.P. (\"Index VI\") converted in the aggregate 3,884,924 shares of the Issuer's Class B Common Stock into 3,884,924 shares of the Issuer's Class A Common Stock.  Subsequently on the same date, Index VI distributed in-kind, without consideration, 3,884,925 shares of Class A Common Stock pro-rata to its partners, including its limited partners and its general partner, Index Venture Associates VI Limited (\"IVA VI\"), in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. On the same date, IVA VI distributed in-kind, without consideration, the 954,203 shares of Class A Common Stock received in the Index VI distribution pro-rata to its shareholders, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F4","text":"The shares are held by Index VI.  IVA VI is the general partner of Index VI and disclaims Section 16 beneficial ownership of such shares except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such shares are beneficially owned by it for Section 16 or any other purpose."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0000899243-21-007381","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1754871/000089924321007381/doc4.xml","form_type":"4"}},{"id":2846436,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":24138,"kind":"organization","name":"Index Ventures VI (Jersey) LP","position":1,"cik":"0001754862","reported_name":"Index Ventures VI (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":124770,"kind":"organization","name":"Index Ventures Growth III (Jersey), L.P.","position":2,"cik":"0001638260","reported_name":"Index Ventures Growth III (Jersey), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24139,"kind":"organization","name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","position":3,"cik":"0001754871","reported_name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24141,"kind":"person","name":"Yucca (Jersey) SLP","position":4,"cik":"0001591294","reported_name":"Yucca (Jersey) SLP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":96868,"kind":"organization","name":"Index Venture Growth Associates III Ltd","position":5,"cik":"0001785453","reported_name":"Index Venture Growth Associates III Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24140,"kind":"organization","name":"Index Venture Associates VI Ltd","position":6,"cik":"0001755035","reported_name":"Index Venture Associates VI Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2021-02-19T21:15:51.000Z","date":"2021-02-17","kind":"exercise","acquired":true,"shares":3884294,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"On February 17, 2021, Index Ventures VI (Jersey), L.P. (\"Index VI\") converted in the aggregate 3,884,924 shares of the Issuer's Class B Common Stock into 3,884,924 shares of the Issuer's Class A Common Stock.  Subsequently on the same date, Index VI distributed in-kind, without consideration, 3,884,925 shares of Class A Common Stock pro-rata to its partners, including its limited partners and its general partner, Index Venture Associates VI Limited (\"IVA VI\"), in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. On the same date, IVA VI distributed in-kind, without consideration, the 954,203 shares of Class A Common Stock received in the Index VI distribution pro-rata to its shareholders, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"On February 17, 2021, Index Ventures VI (Jersey), L.P. (\"Index VI\") converted in the aggregate 3,884,924 shares of the Issuer's Class B Common Stock into 3,884,924 shares of the Issuer's Class A Common Stock.  Subsequently on the same date, Index VI distributed in-kind, without consideration, 3,884,925 shares of Class A Common Stock pro-rata to its partners, including its limited partners and its general partner, Index Venture Associates VI Limited (\"IVA VI\"), in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. On the same date, IVA VI distributed in-kind, without consideration, the 954,203 shares of Class A Common Stock received in the Index VI distribution pro-rata to its shareholders, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F4","text":"The shares are held by Index VI.  IVA VI is the general partner of Index VI and disclaims Section 16 beneficial ownership of such shares except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such shares are beneficially owned by it for Section 16 or any other purpose."}],"balance_after":3884295,"source":{"system":"sec-edgar","filing":"0000899243-21-007381","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1754871/000089924321007381/doc4.xml","form_type":"4"}},{"id":2846435,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":24138,"kind":"organization","name":"Index Ventures VI (Jersey) LP","position":1,"cik":"0001754862","reported_name":"Index Ventures VI (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":124770,"kind":"organization","name":"Index Ventures Growth III (Jersey), L.P.","position":2,"cik":"0001638260","reported_name":"Index Ventures Growth III (Jersey), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24139,"kind":"organization","name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","position":3,"cik":"0001754871","reported_name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24141,"kind":"person","name":"Yucca (Jersey) SLP","position":4,"cik":"0001591294","reported_name":"Yucca (Jersey) SLP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":96868,"kind":"organization","name":"Index Venture Growth Associates III Ltd","position":5,"cik":"0001785453","reported_name":"Index Venture Growth Associates III Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24140,"kind":"organization","name":"Index Venture Associates VI Ltd","position":6,"cik":"0001755035","reported_name":"Index Venture Associates VI Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2021-02-19T21:15:51.000Z","date":"2021-02-17","kind":"other","acquired":false,"shares":1307235,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"On February 17, 2021, Index Ventures Growth III (Jersey), L.P. (\"Index Growth III\") converted in the aggregate 1,307,235 shares of the Issuer's Class B Common Stock into 1,307,235 shares of the Issuer's Class A Common Stock.  Subsequently on the same date, Index Growth III distributed in-kind, without consideration, 1,307,235 shares of Class A Common Stock pro-rata to its limited partners, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"On February 17, 2021, Index Ventures Growth III (Jersey), L.P. (\"Index Growth III\") converted in the aggregate 1,307,235 shares of the Issuer's Class B Common Stock into 1,307,235 shares of the Issuer's Class A Common Stock.  Subsequently on the same date, Index Growth III distributed in-kind, without consideration, 1,307,235 shares of Class A Common Stock pro-rata to its limited partners, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"The shares are held by Index Growth III.  Index Venture Growth Associates III Limited (\"IVGA III\") is the general partner of Index Growth III and disclaims Section 16 beneficial ownership of such shares except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such shares are beneficially owned by it for Section 16 or any other purpose."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0000899243-21-007381","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1754871/000089924321007381/doc4.xml","form_type":"4"}},{"id":2846434,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":24138,"kind":"organization","name":"Index Ventures VI (Jersey) LP","position":1,"cik":"0001754862","reported_name":"Index Ventures VI (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":124770,"kind":"organization","name":"Index Ventures Growth III (Jersey), L.P.","position":2,"cik":"0001638260","reported_name":"Index Ventures Growth III (Jersey), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24139,"kind":"organization","name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","position":3,"cik":"0001754871","reported_name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24141,"kind":"person","name":"Yucca (Jersey) SLP","position":4,"cik":"0001591294","reported_name":"Yucca (Jersey) SLP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":96868,"kind":"organization","name":"Index Venture Growth Associates III Ltd","position":5,"cik":"0001785453","reported_name":"Index Venture Growth Associates III Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24140,"kind":"organization","name":"Index Venture Associates VI Ltd","position":6,"cik":"0001755035","reported_name":"Index Venture Associates VI Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2021-02-19T21:15:51.000Z","date":"2021-02-17","kind":"exercise","acquired":true,"shares":1307235,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"On February 17, 2021, Index Ventures Growth III (Jersey), L.P. (\"Index Growth III\") converted in the aggregate 1,307,235 shares of the Issuer's Class B Common Stock into 1,307,235 shares of the Issuer's Class A Common Stock.  Subsequently on the same date, Index Growth III distributed in-kind, without consideration, 1,307,235 shares of Class A Common Stock pro-rata to its limited partners, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"On February 17, 2021, Index Ventures Growth III (Jersey), L.P. (\"Index Growth III\") converted in the aggregate 1,307,235 shares of the Issuer's Class B Common Stock into 1,307,235 shares of the Issuer's Class A Common Stock.  Subsequently on the same date, Index Growth III distributed in-kind, without consideration, 1,307,235 shares of Class A Common Stock pro-rata to its limited partners, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"The shares are held by Index Growth III.  Index Venture Growth Associates III Limited (\"IVGA III\") is the general partner of Index Growth III and disclaims Section 16 beneficial ownership of such shares except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such shares are beneficially owned by it for Section 16 or any other purpose."}],"balance_after":1307235,"source":{"system":"sec-edgar","filing":"0000899243-21-007381","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1754871/000089924321007381/doc4.xml","form_type":"4"}},{"id":2944611,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":24138,"kind":"organization","name":"Index Ventures VI (Jersey) LP","position":1,"cik":"0001754862","reported_name":"Index Ventures VI (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":124770,"kind":"organization","name":"Index Ventures Growth III (Jersey), L.P.","position":2,"cik":"0001638260","reported_name":"Index Ventures Growth III (Jersey), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24139,"kind":"organization","name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","position":3,"cik":"0001754871","reported_name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24141,"kind":"person","name":"Yucca (Jersey) SLP","position":4,"cik":"0001591294","reported_name":"Yucca (Jersey) SLP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":96868,"kind":"organization","name":"Index Venture Growth Associates III Ltd","position":5,"cik":"0001785453","reported_name":"Index Venture Growth Associates III Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24140,"kind":"organization","name":"Index Venture Associates VI Ltd","position":6,"cik":"0001755035","reported_name":"Index Venture Associates VI Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2020-12-15T21:30:12.000Z","date":"2020-12-11","kind":"exercise","acquired":false,"shares":35033,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F9","text":"Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date.  Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon the earlier of: (i) any transfer, whether or not for value, except for certain \"Permitted Transfers\" as defined in the Issuer's amended and restated certificate of incorporation, and (ii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"kind","element":"transactionCoding","label":"F7","text":"On December 11, 2020, Yucca (Jersey) SLP (\"Yucca\") converted in the aggregate 35,033 shares of the Issuer's Class B Common Stock into 35,033 shares of the Issuer's Class A Common Stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F9","text":"Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date.  Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon the earlier of: (i) any transfer, whether or not for value, except for certain \"Permitted Transfers\" as defined in the Issuer's amended and restated certificate of incorporation, and (ii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F9","text":"Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date.  Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon the earlier of: (i) any transfer, whether or not for value, except for certain \"Permitted Transfers\" as defined in the Issuer's amended and restated certificate of incorporation, and (ii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F8","text":"The shares are held by Yucca.  Yucca is the administrator of the Index co-investment vehicles that are contractually required to mirror the relevant Fund's investment in the Issuer (in this case, Index Growth III, Index VI and Index VI Parallel).  Each of IVGA III and IVA VI disclaims Section 16 beneficial ownership of such shares except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such shares are beneficially owned by it for Section 16 or any other purpose."}],"balance_after":362316,"derivative":{"underlying":"Class A Common Stock","underlying_shares":35033},"source":{"system":"sec-edgar","filing":"0000899243-20-033898","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":15,"url":"https://www.sec.gov/Archives/edgar/data/1754871/000089924320033898/doc4.xml","form_type":"4"}},{"id":2944610,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":24138,"kind":"organization","name":"Index Ventures VI (Jersey) LP","position":1,"cik":"0001754862","reported_name":"Index Ventures VI (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":124770,"kind":"organization","name":"Index Ventures Growth III (Jersey), L.P.","position":2,"cik":"0001638260","reported_name":"Index Ventures Growth III (Jersey), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24139,"kind":"organization","name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","position":3,"cik":"0001754871","reported_name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24141,"kind":"person","name":"Yucca (Jersey) SLP","position":4,"cik":"0001591294","reported_name":"Yucca (Jersey) SLP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":96868,"kind":"organization","name":"Index Venture Growth Associates III Ltd","position":5,"cik":"0001785453","reported_name":"Index Venture Growth Associates III Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24140,"kind":"organization","name":"Index Venture Associates VI Ltd","position":6,"cik":"0001755035","reported_name":"Index Venture Associates VI Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2020-12-15T21:30:12.000Z","date":"2020-12-11","kind":"exercise","acquired":false,"shares":39202,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F9","text":"Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date.  Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon the earlier of: (i) any transfer, whether or not for value, except for certain \"Permitted Transfers\" as defined in the Issuer's amended and restated certificate of incorporation, and (ii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"kind","element":"transactionCoding","label":"F5","text":"On December 11, 2020, Index Ventures VI Parallel Entrepreneur Fund (Jersey), L.P. (\"Index VI Parallel\") converted in the aggregate 39,202 shares of the Issuer's Class B Common Stock into 39,202 shares of the Issuer's Class A Common Stock.  Subsequently on the same date, Index VI Parallel distributed in-kind, without consideration, 39,202 shares of Class A Common Stock pro-rata to its partners, including its limited partners and its general partner, IVA VI, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.  On the same date, IVA VI distributed in-kind, without consideration, the 9,801 shares of Class A Common Stock received in the Index VI Parallel distribution pro-rata to its shareholders, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F9","text":"Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date.  Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon the earlier of: (i) any transfer, whether or not for value, except for certain \"Permitted Transfers\" as defined in the Issuer's amended and restated certificate of incorporation, and (ii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F9","text":"Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date.  Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon the earlier of: (i) any transfer, whether or not for value, except for certain \"Permitted Transfers\" as defined in the Issuer's amended and restated certificate of incorporation, and (ii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F6","text":"The shares are held by Index VI Parallel.  IVA VI is the general partner of Index VI Parallel and disclaims Section 16 beneficial ownership of such shares except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such shares are beneficially owned by it for Section 16 or any other purpose."}],"balance_after":405443,"derivative":{"underlying":"Class A Common Stock","underlying_shares":39202},"source":{"system":"sec-edgar","filing":"0000899243-20-033898","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":14,"url":"https://www.sec.gov/Archives/edgar/data/1754871/000089924320033898/doc4.xml","form_type":"4"}},{"id":2944609,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":24138,"kind":"organization","name":"Index Ventures VI (Jersey) LP","position":1,"cik":"0001754862","reported_name":"Index Ventures VI (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":124770,"kind":"organization","name":"Index Ventures Growth III (Jersey), L.P.","position":2,"cik":"0001638260","reported_name":"Index Ventures Growth III (Jersey), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24139,"kind":"organization","name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","position":3,"cik":"0001754871","reported_name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24141,"kind":"person","name":"Yucca (Jersey) SLP","position":4,"cik":"0001591294","reported_name":"Yucca (Jersey) SLP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":96868,"kind":"organization","name":"Index Venture Growth Associates III Ltd","position":5,"cik":"0001785453","reported_name":"Index Venture Growth Associates III Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24140,"kind":"organization","name":"Index Venture Associates VI Ltd","position":6,"cik":"0001755035","reported_name":"Index Venture Associates VI Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2020-12-15T21:30:12.000Z","date":"2020-12-11","kind":"exercise","acquired":false,"shares":1942147,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F9","text":"Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date.  Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon the earlier of: (i) any transfer, whether or not for value, except for certain \"Permitted Transfers\" as defined in the Issuer's amended and restated certificate of incorporation, and (ii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"kind","element":"transactionCoding","label":"F3","text":"On December 11, 2020, Index Ventures VI (Jersey), L.P. (\"Index VI\") converted in the aggregate 1,942,147 shares of the Issuer's Class B Common Stock into 1,942,147 shares of the Issuer's Class A Common Stock.  Subsequently on the same date, Index VI distributed in-kind, without consideration, 1,942,147 shares of Class A Common Stock pro-rata to its partners, including its limited partners and its general partner, Index Venture Associates VI Limited (\"IVA VI\"), in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. On the same date, IVA VI distributed in-kind, without consideration, the 485,536 shares of Class A Common Stock received in the Index VI distribution pro-rata to its shareholders, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F9","text":"Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date.  Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon the earlier of: (i) any transfer, whether or not for value, except for certain \"Permitted Transfers\" as defined in the Issuer's amended and restated certificate of incorporation, and (ii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F9","text":"Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date.  Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon the earlier of: (i) any transfer, whether or not for value, except for certain \"Permitted Transfers\" as defined in the Issuer's amended and restated certificate of incorporation, and (ii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F4","text":"The shares are held by Index VI.  IVA VI is the general partner of Index VI and disclaims Section 16 beneficial ownership of such shares except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such shares are beneficially owned by it for Section 16 or any other purpose."}],"balance_after":20086173,"derivative":{"underlying":"Class A Common Stock","underlying_shares":1942147},"source":{"system":"sec-edgar","filing":"0000899243-20-033898","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":13,"url":"https://www.sec.gov/Archives/edgar/data/1754871/000089924320033898/doc4.xml","form_type":"4"}},{"id":2944608,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":24138,"kind":"organization","name":"Index Ventures VI (Jersey) LP","position":1,"cik":"0001754862","reported_name":"Index Ventures VI (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":124770,"kind":"organization","name":"Index Ventures Growth III (Jersey), L.P.","position":2,"cik":"0001638260","reported_name":"Index Ventures Growth III (Jersey), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24139,"kind":"organization","name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","position":3,"cik":"0001754871","reported_name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24141,"kind":"person","name":"Yucca (Jersey) SLP","position":4,"cik":"0001591294","reported_name":"Yucca (Jersey) SLP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":96868,"kind":"organization","name":"Index Venture Growth Associates III Ltd","position":5,"cik":"0001785453","reported_name":"Index Venture Growth Associates III Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24140,"kind":"organization","name":"Index Venture Associates VI Ltd","position":6,"cik":"0001755035","reported_name":"Index Venture Associates VI Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2020-12-15T21:30:12.000Z","date":"2020-12-11","kind":"exercise","acquired":false,"shares":653618,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F9","text":"Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date.  Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon the earlier of: (i) any transfer, whether or not for value, except for certain \"Permitted Transfers\" as defined in the Issuer's amended and restated certificate of incorporation, and (ii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"kind","element":"transactionCoding","label":"F1","text":"On December 11, 2020, Index Ventures Growth III (Jersey), L.P. (\"Index Growth III\") converted in the aggregate 653,618 shares of the Issuer's Class B Common Stock into 653,618 shares of the Issuer's Class A Common Stock.  Subsequently on the same date, Index Growth III distributed in-kind, without consideration, 653,618 shares of Class A Common Stock pro-rata to its limited partners, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F9","text":"Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date.  Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon the earlier of: (i) any transfer, whether or not for value, except for certain \"Permitted Transfers\" as defined in the Issuer's amended and restated certificate of incorporation, and (ii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F9","text":"Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date.  Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon the earlier of: (i) any transfer, whether or not for value, except for certain \"Permitted Transfers\" as defined in the Issuer's amended and restated certificate of incorporation, and (ii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"The shares are held by Index Growth III.  Index Venture Growth Associates III Limited (\"IVGA III\") is the general partner of Index Growth III and disclaims Section 16 beneficial ownership of such shares except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such shares are beneficially owned by it for Section 16 or any other purpose."}],"balance_after":6759877,"derivative":{"underlying":"Class A Common Stock","underlying_shares":653618},"source":{"system":"sec-edgar","filing":"0000899243-20-033898","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":12,"url":"https://www.sec.gov/Archives/edgar/data/1754871/000089924320033898/doc4.xml","form_type":"4"}},{"id":2944607,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":24138,"kind":"organization","name":"Index Ventures VI (Jersey) LP","position":1,"cik":"0001754862","reported_name":"Index Ventures VI (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":124770,"kind":"organization","name":"Index Ventures Growth III (Jersey), L.P.","position":2,"cik":"0001638260","reported_name":"Index Ventures Growth III (Jersey), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24139,"kind":"organization","name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","position":3,"cik":"0001754871","reported_name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24141,"kind":"person","name":"Yucca (Jersey) SLP","position":4,"cik":"0001591294","reported_name":"Yucca (Jersey) SLP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":96868,"kind":"organization","name":"Index Venture Growth Associates III Ltd","position":5,"cik":"0001785453","reported_name":"Index Venture Growth Associates III Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24140,"kind":"organization","name":"Index Venture Associates VI Ltd","position":6,"cik":"0001755035","reported_name":"Index Venture Associates VI Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2020-12-15T21:30:12.000Z","date":"2020-12-14","kind":"sale","acquired":false,"shares":2979,"price":99.8177,"value":297356.9283,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F13","text":"On December 14, 2020, Yucca (Jersey) SLP (\"Yucca\") sold 2,979 shares of the Issuer's Class A Common Stock. The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $99.65 - $99.98. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F8","text":"The shares are held by Yucca.  Yucca is the administrator of the Index co-investment vehicles that are contractually required to mirror the relevant Fund's investment in the Issuer (in this case, Index Growth III, Index VI and Index VI Parallel).  Each of IVGA III and IVA VI disclaims Section 16 beneficial ownership of such shares except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such shares are beneficially owned by it for Section 16 or any other purpose."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0000899243-20-033898","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":11,"url":"https://www.sec.gov/Archives/edgar/data/1754871/000089924320033898/doc4.xml","form_type":"4"}},{"id":2944606,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":24138,"kind":"organization","name":"Index Ventures VI (Jersey) LP","position":1,"cik":"0001754862","reported_name":"Index Ventures VI (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":124770,"kind":"organization","name":"Index Ventures Growth III (Jersey), L.P.","position":2,"cik":"0001638260","reported_name":"Index Ventures Growth III (Jersey), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24139,"kind":"organization","name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","position":3,"cik":"0001754871","reported_name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24141,"kind":"person","name":"Yucca (Jersey) SLP","position":4,"cik":"0001591294","reported_name":"Yucca (Jersey) SLP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":96868,"kind":"organization","name":"Index Venture Growth Associates III Ltd","position":5,"cik":"0001785453","reported_name":"Index Venture Growth Associates III Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24140,"kind":"organization","name":"Index Venture Associates VI Ltd","position":6,"cik":"0001755035","reported_name":"Index Venture Associates VI Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2020-12-15T21:30:12.000Z","date":"2020-12-14","kind":"sale","acquired":false,"shares":23370,"price":100.4068,"value":2346506.916,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F12","text":"On December 14, 2020, Yucca (Jersey) SLP (\"Yucca\") sold 23,370 shares of the Issuer's Class A Common Stock. The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $100.00 - $100.99. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F8","text":"The shares are held by Yucca.  Yucca is the administrator of the Index co-investment vehicles that are contractually required to mirror the relevant Fund's investment in the Issuer (in this case, Index Growth III, Index VI and Index VI Parallel).  Each of IVGA III and IVA VI disclaims Section 16 beneficial ownership of such shares except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such shares are beneficially owned by it for Section 16 or any other purpose."}],"balance_after":2979,"source":{"system":"sec-edgar","filing":"0000899243-20-033898","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":10,"url":"https://www.sec.gov/Archives/edgar/data/1754871/000089924320033898/doc4.xml","form_type":"4"}},{"id":2944605,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":24138,"kind":"organization","name":"Index Ventures VI (Jersey) LP","position":1,"cik":"0001754862","reported_name":"Index Ventures VI (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":124770,"kind":"organization","name":"Index Ventures Growth III (Jersey), L.P.","position":2,"cik":"0001638260","reported_name":"Index Ventures Growth III (Jersey), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24139,"kind":"organization","name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","position":3,"cik":"0001754871","reported_name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24141,"kind":"person","name":"Yucca (Jersey) SLP","position":4,"cik":"0001591294","reported_name":"Yucca (Jersey) SLP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":96868,"kind":"organization","name":"Index Venture Growth Associates III Ltd","position":5,"cik":"0001785453","reported_name":"Index Venture Growth Associates III Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24140,"kind":"organization","name":"Index Venture Associates VI Ltd","position":6,"cik":"0001755035","reported_name":"Index Venture Associates VI Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2020-12-15T21:30:12.000Z","date":"2020-12-14","kind":"sale","acquired":false,"shares":6545,"price":101.2584,"value":662736.228,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F11","text":"On December 14, 2020, Yucca (Jersey) SLP (\"Yucca\") sold 6,545 shares of the Issuer's Class A Common Stock. The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $101.00 - $101.50. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F8","text":"The shares are held by Yucca.  Yucca is the administrator of the Index co-investment vehicles that are contractually required to mirror the relevant Fund's investment in the Issuer (in this case, Index Growth III, Index VI and Index VI Parallel).  Each of IVGA III and IVA VI disclaims Section 16 beneficial ownership of such shares except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such shares are beneficially owned by it for Section 16 or any other purpose."}],"balance_after":26349,"source":{"system":"sec-edgar","filing":"0000899243-20-033898","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1754871/000089924320033898/doc4.xml","form_type":"4"}},{"id":2944604,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":24138,"kind":"organization","name":"Index Ventures VI (Jersey) LP","position":1,"cik":"0001754862","reported_name":"Index Ventures VI (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":124770,"kind":"organization","name":"Index Ventures Growth III (Jersey), L.P.","position":2,"cik":"0001638260","reported_name":"Index Ventures Growth III (Jersey), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24139,"kind":"organization","name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","position":3,"cik":"0001754871","reported_name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24141,"kind":"person","name":"Yucca (Jersey) SLP","position":4,"cik":"0001591294","reported_name":"Yucca (Jersey) SLP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":96868,"kind":"organization","name":"Index Venture Growth Associates III Ltd","position":5,"cik":"0001785453","reported_name":"Index Venture Growth Associates III Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24140,"kind":"organization","name":"Index Venture Associates VI Ltd","position":6,"cik":"0001755035","reported_name":"Index Venture Associates VI Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2020-12-15T21:30:12.000Z","date":"2020-12-11","kind":"sale","acquired":false,"shares":2139,"price":100.2799,"value":214498.7061,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F10","text":"On December 11, 2020, Yucca (Jersey) SLP (\"Yucca\") sold 2,139 shares of the Issuer's Class A Common Stock. The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $100.05 - $100.82. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F8","text":"The shares are held by Yucca.  Yucca is the administrator of the Index co-investment vehicles that are contractually required to mirror the relevant Fund's investment in the Issuer (in this case, Index Growth III, Index VI and Index VI Parallel).  Each of IVGA III and IVA VI disclaims Section 16 beneficial ownership of such shares except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such shares are beneficially owned by it for Section 16 or any other purpose."}],"balance_after":32894,"source":{"system":"sec-edgar","filing":"0000899243-20-033898","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1754871/000089924320033898/doc4.xml","form_type":"4"}},{"id":2944603,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":24138,"kind":"organization","name":"Index Ventures VI (Jersey) LP","position":1,"cik":"0001754862","reported_name":"Index Ventures VI (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":124770,"kind":"organization","name":"Index Ventures Growth III (Jersey), L.P.","position":2,"cik":"0001638260","reported_name":"Index Ventures Growth III (Jersey), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24139,"kind":"organization","name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","position":3,"cik":"0001754871","reported_name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24141,"kind":"person","name":"Yucca (Jersey) SLP","position":4,"cik":"0001591294","reported_name":"Yucca (Jersey) SLP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":96868,"kind":"organization","name":"Index Venture Growth Associates III Ltd","position":5,"cik":"0001785453","reported_name":"Index Venture Growth Associates III Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24140,"kind":"organization","name":"Index Venture Associates VI Ltd","position":6,"cik":"0001755035","reported_name":"Index Venture Associates VI Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2020-12-15T21:30:12.000Z","date":"2020-12-11","kind":"exercise","acquired":true,"shares":35033,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F7","text":"On December 11, 2020, Yucca (Jersey) SLP (\"Yucca\") converted in the aggregate 35,033 shares of the Issuer's Class B Common Stock into 35,033 shares of the Issuer's Class A Common Stock."},{"field":"price","element":"transactionPricePerShare","label":"F7","text":"On December 11, 2020, Yucca (Jersey) SLP (\"Yucca\") converted in the aggregate 35,033 shares of the Issuer's Class B Common Stock into 35,033 shares of the Issuer's Class A Common Stock."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F8","text":"The shares are held by Yucca.  Yucca is the administrator of the Index co-investment vehicles that are contractually required to mirror the relevant Fund's investment in the Issuer (in this case, Index Growth III, Index VI and Index VI Parallel).  Each of IVGA III and IVA VI disclaims Section 16 beneficial ownership of such shares except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such shares are beneficially owned by it for Section 16 or any other purpose."}],"balance_after":35033,"source":{"system":"sec-edgar","filing":"0000899243-20-033898","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1754871/000089924320033898/doc4.xml","form_type":"4"}},{"id":2944602,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":24138,"kind":"organization","name":"Index Ventures VI (Jersey) LP","position":1,"cik":"0001754862","reported_name":"Index Ventures VI (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":124770,"kind":"organization","name":"Index Ventures Growth III (Jersey), L.P.","position":2,"cik":"0001638260","reported_name":"Index Ventures Growth III (Jersey), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24139,"kind":"organization","name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","position":3,"cik":"0001754871","reported_name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24141,"kind":"person","name":"Yucca (Jersey) SLP","position":4,"cik":"0001591294","reported_name":"Yucca (Jersey) SLP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":96868,"kind":"organization","name":"Index Venture Growth Associates III Ltd","position":5,"cik":"0001785453","reported_name":"Index Venture Growth Associates III Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24140,"kind":"organization","name":"Index Venture Associates VI Ltd","position":6,"cik":"0001755035","reported_name":"Index Venture Associates VI Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2020-12-15T21:30:12.000Z","date":"2020-12-11","kind":"other","acquired":false,"shares":39202,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F5","text":"On December 11, 2020, Index Ventures VI Parallel Entrepreneur Fund (Jersey), L.P. (\"Index VI Parallel\") converted in the aggregate 39,202 shares of the Issuer's Class B Common Stock into 39,202 shares of the Issuer's Class A Common Stock.  Subsequently on the same date, Index VI Parallel distributed in-kind, without consideration, 39,202 shares of Class A Common Stock pro-rata to its partners, including its limited partners and its general partner, IVA VI, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.  On the same date, IVA VI distributed in-kind, without consideration, the 9,801 shares of Class A Common Stock received in the Index VI Parallel distribution pro-rata to its shareholders, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"On December 11, 2020, Index Ventures VI Parallel Entrepreneur Fund (Jersey), L.P. (\"Index VI Parallel\") converted in the aggregate 39,202 shares of the Issuer's Class B Common Stock into 39,202 shares of the Issuer's Class A Common Stock.  Subsequently on the same date, Index VI Parallel distributed in-kind, without consideration, 39,202 shares of Class A Common Stock pro-rata to its partners, including its limited partners and its general partner, IVA VI, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.  On the same date, IVA VI distributed in-kind, without consideration, the 9,801 shares of Class A Common Stock received in the Index VI Parallel distribution pro-rata to its shareholders, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F6","text":"The shares are held by Index VI Parallel.  IVA VI is the general partner of Index VI Parallel and disclaims Section 16 beneficial ownership of such shares except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such shares are beneficially owned by it for Section 16 or any other purpose."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0000899243-20-033898","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1754871/000089924320033898/doc4.xml","form_type":"4"}},{"id":2944601,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":24138,"kind":"organization","name":"Index Ventures VI (Jersey) LP","position":1,"cik":"0001754862","reported_name":"Index Ventures VI (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":124770,"kind":"organization","name":"Index Ventures Growth III (Jersey), L.P.","position":2,"cik":"0001638260","reported_name":"Index Ventures Growth III (Jersey), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24139,"kind":"organization","name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","position":3,"cik":"0001754871","reported_name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24141,"kind":"person","name":"Yucca (Jersey) SLP","position":4,"cik":"0001591294","reported_name":"Yucca (Jersey) SLP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":96868,"kind":"organization","name":"Index Venture Growth Associates III Ltd","position":5,"cik":"0001785453","reported_name":"Index Venture Growth Associates III Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24140,"kind":"organization","name":"Index Venture Associates VI Ltd","position":6,"cik":"0001755035","reported_name":"Index Venture Associates VI Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2020-12-15T21:30:12.000Z","date":"2020-12-11","kind":"exercise","acquired":true,"shares":39202,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F5","text":"On December 11, 2020, Index Ventures VI Parallel Entrepreneur Fund (Jersey), L.P. (\"Index VI Parallel\") converted in the aggregate 39,202 shares of the Issuer's Class B Common Stock into 39,202 shares of the Issuer's Class A Common Stock.  Subsequently on the same date, Index VI Parallel distributed in-kind, without consideration, 39,202 shares of Class A Common Stock pro-rata to its partners, including its limited partners and its general partner, IVA VI, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.  On the same date, IVA VI distributed in-kind, without consideration, the 9,801 shares of Class A Common Stock received in the Index VI Parallel distribution pro-rata to its shareholders, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"On December 11, 2020, Index Ventures VI Parallel Entrepreneur Fund (Jersey), L.P. (\"Index VI Parallel\") converted in the aggregate 39,202 shares of the Issuer's Class B Common Stock into 39,202 shares of the Issuer's Class A Common Stock.  Subsequently on the same date, Index VI Parallel distributed in-kind, without consideration, 39,202 shares of Class A Common Stock pro-rata to its partners, including its limited partners and its general partner, IVA VI, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.  On the same date, IVA VI distributed in-kind, without consideration, the 9,801 shares of Class A Common Stock received in the Index VI Parallel distribution pro-rata to its shareholders, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F6","text":"The shares are held by Index VI Parallel.  IVA VI is the general partner of Index VI Parallel and disclaims Section 16 beneficial ownership of such shares except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such shares are beneficially owned by it for Section 16 or any other purpose."}],"balance_after":39202,"source":{"system":"sec-edgar","filing":"0000899243-20-033898","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1754871/000089924320033898/doc4.xml","form_type":"4"}},{"id":2944600,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":24138,"kind":"organization","name":"Index Ventures VI (Jersey) LP","position":1,"cik":"0001754862","reported_name":"Index Ventures VI (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":124770,"kind":"organization","name":"Index Ventures Growth III (Jersey), L.P.","position":2,"cik":"0001638260","reported_name":"Index Ventures Growth III (Jersey), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24139,"kind":"organization","name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","position":3,"cik":"0001754871","reported_name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24141,"kind":"person","name":"Yucca (Jersey) SLP","position":4,"cik":"0001591294","reported_name":"Yucca (Jersey) SLP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":96868,"kind":"organization","name":"Index Venture Growth Associates III Ltd","position":5,"cik":"0001785453","reported_name":"Index Venture Growth Associates III Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24140,"kind":"organization","name":"Index Venture Associates VI Ltd","position":6,"cik":"0001755035","reported_name":"Index Venture Associates VI Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2020-12-15T21:30:12.000Z","date":"2020-12-11","kind":"other","acquired":false,"shares":1942147,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"On December 11, 2020, Index Ventures VI (Jersey), L.P. (\"Index VI\") converted in the aggregate 1,942,147 shares of the Issuer's Class B Common Stock into 1,942,147 shares of the Issuer's Class A Common Stock.  Subsequently on the same date, Index VI distributed in-kind, without consideration, 1,942,147 shares of Class A Common Stock pro-rata to its partners, including its limited partners and its general partner, Index Venture Associates VI Limited (\"IVA VI\"), in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. On the same date, IVA VI distributed in-kind, without consideration, the 485,536 shares of Class A Common Stock received in the Index VI distribution pro-rata to its shareholders, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"On December 11, 2020, Index Ventures VI (Jersey), L.P. (\"Index VI\") converted in the aggregate 1,942,147 shares of the Issuer's Class B Common Stock into 1,942,147 shares of the Issuer's Class A Common Stock.  Subsequently on the same date, Index VI distributed in-kind, without consideration, 1,942,147 shares of Class A Common Stock pro-rata to its partners, including its limited partners and its general partner, Index Venture Associates VI Limited (\"IVA VI\"), in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. On the same date, IVA VI distributed in-kind, without consideration, the 485,536 shares of Class A Common Stock received in the Index VI distribution pro-rata to its shareholders, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F4","text":"The shares are held by Index VI.  IVA VI is the general partner of Index VI and disclaims Section 16 beneficial ownership of such shares except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such shares are beneficially owned by it for Section 16 or any other purpose."}],"balance_after":1,"source":{"system":"sec-edgar","filing":"0000899243-20-033898","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1754871/000089924320033898/doc4.xml","form_type":"4"}},{"id":2944599,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":24138,"kind":"organization","name":"Index Ventures VI (Jersey) LP","position":1,"cik":"0001754862","reported_name":"Index Ventures VI (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":124770,"kind":"organization","name":"Index Ventures Growth III (Jersey), L.P.","position":2,"cik":"0001638260","reported_name":"Index Ventures Growth III (Jersey), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24139,"kind":"organization","name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","position":3,"cik":"0001754871","reported_name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24141,"kind":"person","name":"Yucca (Jersey) SLP","position":4,"cik":"0001591294","reported_name":"Yucca (Jersey) SLP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":96868,"kind":"organization","name":"Index Venture Growth Associates III Ltd","position":5,"cik":"0001785453","reported_name":"Index Venture Growth Associates III Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24140,"kind":"organization","name":"Index Venture Associates VI Ltd","position":6,"cik":"0001755035","reported_name":"Index Venture Associates VI Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2020-12-15T21:30:12.000Z","date":"2020-12-11","kind":"exercise","acquired":true,"shares":1942147,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"On December 11, 2020, Index Ventures VI (Jersey), L.P. (\"Index VI\") converted in the aggregate 1,942,147 shares of the Issuer's Class B Common Stock into 1,942,147 shares of the Issuer's Class A Common Stock.  Subsequently on the same date, Index VI distributed in-kind, without consideration, 1,942,147 shares of Class A Common Stock pro-rata to its partners, including its limited partners and its general partner, Index Venture Associates VI Limited (\"IVA VI\"), in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. On the same date, IVA VI distributed in-kind, without consideration, the 485,536 shares of Class A Common Stock received in the Index VI distribution pro-rata to its shareholders, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"On December 11, 2020, Index Ventures VI (Jersey), L.P. (\"Index VI\") converted in the aggregate 1,942,147 shares of the Issuer's Class B Common Stock into 1,942,147 shares of the Issuer's Class A Common Stock.  Subsequently on the same date, Index VI distributed in-kind, without consideration, 1,942,147 shares of Class A Common Stock pro-rata to its partners, including its limited partners and its general partner, Index Venture Associates VI Limited (\"IVA VI\"), in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. On the same date, IVA VI distributed in-kind, without consideration, the 485,536 shares of Class A Common Stock received in the Index VI distribution pro-rata to its shareholders, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F4","text":"The shares are held by Index VI.  IVA VI is the general partner of Index VI and disclaims Section 16 beneficial ownership of such shares except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such shares are beneficially owned by it for Section 16 or any other purpose."}],"balance_after":1942148,"source":{"system":"sec-edgar","filing":"0000899243-20-033898","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1754871/000089924320033898/doc4.xml","form_type":"4"}},{"id":2944598,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":24138,"kind":"organization","name":"Index Ventures VI (Jersey) LP","position":1,"cik":"0001754862","reported_name":"Index Ventures VI (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":124770,"kind":"organization","name":"Index Ventures Growth III (Jersey), L.P.","position":2,"cik":"0001638260","reported_name":"Index Ventures Growth III (Jersey), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24139,"kind":"organization","name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","position":3,"cik":"0001754871","reported_name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24141,"kind":"person","name":"Yucca (Jersey) SLP","position":4,"cik":"0001591294","reported_name":"Yucca (Jersey) SLP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":96868,"kind":"organization","name":"Index Venture Growth Associates III Ltd","position":5,"cik":"0001785453","reported_name":"Index Venture Growth Associates III Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24140,"kind":"organization","name":"Index Venture Associates VI Ltd","position":6,"cik":"0001755035","reported_name":"Index Venture Associates VI Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2020-12-15T21:30:12.000Z","date":"2020-12-11","kind":"other","acquired":false,"shares":653618,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"On December 11, 2020, Index Ventures Growth III (Jersey), L.P. (\"Index Growth III\") converted in the aggregate 653,618 shares of the Issuer's Class B Common Stock into 653,618 shares of the Issuer's Class A Common Stock.  Subsequently on the same date, Index Growth III distributed in-kind, without consideration, 653,618 shares of Class A Common Stock pro-rata to its limited partners, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"On December 11, 2020, Index Ventures Growth III (Jersey), L.P. (\"Index Growth III\") converted in the aggregate 653,618 shares of the Issuer's Class B Common Stock into 653,618 shares of the Issuer's Class A Common Stock.  Subsequently on the same date, Index Growth III distributed in-kind, without consideration, 653,618 shares of Class A Common Stock pro-rata to its limited partners, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"The shares are held by Index Growth III.  Index Venture Growth Associates III Limited (\"IVGA III\") is the general partner of Index Growth III and disclaims Section 16 beneficial ownership of such shares except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such shares are beneficially owned by it for Section 16 or any other purpose."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0000899243-20-033898","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1754871/000089924320033898/doc4.xml","form_type":"4"}},{"id":2944597,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":24138,"kind":"organization","name":"Index Ventures VI (Jersey) LP","position":1,"cik":"0001754862","reported_name":"Index Ventures VI (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":124770,"kind":"organization","name":"Index Ventures Growth III (Jersey), L.P.","position":2,"cik":"0001638260","reported_name":"Index Ventures Growth III (Jersey), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24139,"kind":"organization","name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","position":3,"cik":"0001754871","reported_name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24141,"kind":"person","name":"Yucca (Jersey) SLP","position":4,"cik":"0001591294","reported_name":"Yucca (Jersey) SLP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":96868,"kind":"organization","name":"Index Venture Growth Associates III Ltd","position":5,"cik":"0001785453","reported_name":"Index Venture Growth Associates III Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24140,"kind":"organization","name":"Index Venture Associates VI Ltd","position":6,"cik":"0001755035","reported_name":"Index Venture Associates VI Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2020-12-15T21:30:12.000Z","date":"2020-12-11","kind":"exercise","acquired":true,"shares":653618,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"On December 11, 2020, Index Ventures Growth III (Jersey), L.P. (\"Index Growth III\") converted in the aggregate 653,618 shares of the Issuer's Class B Common Stock into 653,618 shares of the Issuer's Class A Common Stock.  Subsequently on the same date, Index Growth III distributed in-kind, without consideration, 653,618 shares of Class A Common Stock pro-rata to its limited partners, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"On December 11, 2020, Index Ventures Growth III (Jersey), L.P. (\"Index Growth III\") converted in the aggregate 653,618 shares of the Issuer's Class B Common Stock into 653,618 shares of the Issuer's Class A Common Stock.  Subsequently on the same date, Index Growth III distributed in-kind, without consideration, 653,618 shares of Class A Common Stock pro-rata to its limited partners, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"The shares are held by Index Growth III.  Index Venture Growth Associates III Limited (\"IVGA III\") is the general partner of Index Growth III and disclaims Section 16 beneficial ownership of such shares except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such shares are beneficially owned by it for Section 16 or any other purpose."}],"balance_after":653618,"source":{"system":"sec-edgar","filing":"0000899243-20-033898","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1754871/000089924320033898/doc4.xml","form_type":"4"}},{"id":2977860,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":24138,"kind":"organization","name":"Index Ventures VI (Jersey) LP","position":1,"cik":"0001754862","reported_name":"Index Ventures VI (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":124770,"kind":"organization","name":"Index Ventures Growth III (Jersey), L.P.","position":2,"cik":"0001638260","reported_name":"Index Ventures Growth III (Jersey), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24139,"kind":"organization","name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","position":3,"cik":"0001754871","reported_name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24141,"kind":"person","name":"Yucca (Jersey) SLP","position":4,"cik":"0001591294","reported_name":"Yucca (Jersey) SLP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":96868,"kind":"organization","name":"Index Venture Growth Associates III Ltd","position":5,"cik":"0001785453","reported_name":"Index Venture Growth Associates III Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24140,"kind":"organization","name":"Index Venture Associates VI Ltd","position":6,"cik":"0001755035","reported_name":"Index Venture Associates VI Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2020-11-17T21:00:11.000Z","date":"2020-11-13","kind":"exercise","acquired":false,"shares":35033,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F9","text":"Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date.  Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon the earlier of: (i) any transfer, whether or not for value, except for certain \"Permitted Transfers\" as defined in the Issuer's amended and restated certificate of incorporation, and (ii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"kind","element":"transactionCoding","label":"F7","text":"On November 13, 2020, Yucca (Jersey) SLP (\"Yucca\") converted in the aggregate 35,033 shares of the Issuer's Class B Common Stock into 35,033 shares of the Issuer's Class A Common Stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F9","text":"Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date.  Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon the earlier of: (i) any transfer, whether or not for value, except for certain \"Permitted Transfers\" as defined in the Issuer's amended and restated certificate of incorporation, and (ii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F9","text":"Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date.  Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon the earlier of: (i) any transfer, whether or not for value, except for certain \"Permitted Transfers\" as defined in the Issuer's amended and restated certificate of incorporation, and (ii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F8","text":"The shares are held by Yucca.  Yucca is the administrator of the Index co-investment vehicles that are contractually required to mirror the relevant Fund's investment in the Issuer (in this case, Index Growth III, Index VI and Index VI Parallel).  Each of IVGA III and IVA VI disclaims Section 16 beneficial ownership of such shares except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such shares are beneficially owned by it for Section 16 or any other purpose."}],"balance_after":397349,"derivative":{"underlying":"Class A Common Stock","underlying_shares":35033},"source":{"system":"sec-edgar","filing":"0000899243-20-031263","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":11,"url":"https://www.sec.gov/Archives/edgar/data/1754871/000089924320031263/doc4.xml","form_type":"4"}},{"id":2977859,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":24138,"kind":"organization","name":"Index Ventures VI (Jersey) LP","position":1,"cik":"0001754862","reported_name":"Index Ventures VI (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":124770,"kind":"organization","name":"Index Ventures Growth III (Jersey), L.P.","position":2,"cik":"0001638260","reported_name":"Index Ventures Growth III (Jersey), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24139,"kind":"organization","name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","position":3,"cik":"0001754871","reported_name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24141,"kind":"person","name":"Yucca (Jersey) SLP","position":4,"cik":"0001591294","reported_name":"Yucca (Jersey) SLP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":96868,"kind":"organization","name":"Index Venture Growth Associates III Ltd","position":5,"cik":"0001785453","reported_name":"Index Venture Growth Associates III Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24140,"kind":"organization","name":"Index Venture Associates VI Ltd","position":6,"cik":"0001755035","reported_name":"Index Venture Associates VI Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2020-11-17T21:00:11.000Z","date":"2020-11-13","kind":"exercise","acquired":false,"shares":39202,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F9","text":"Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date.  Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon the earlier of: (i) any transfer, whether or not for value, except for certain \"Permitted Transfers\" as defined in the Issuer's amended and restated certificate of incorporation, and (ii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"kind","element":"transactionCoding","label":"F5","text":"On November 13, 2020, Index Ventures VI Parallel Entrepreneur Fund (Jersey), L.P. (\"Index VI Parallel\") converted in the aggregate 39,202 shares of the Issuer's Class B Common Stock into 39,202 shares of the Issuer's Class A Common Stock.  Subsequently on the same date, Index VI Parallel distributed in-kind, without consideration, 39,202 shares of Class A Common Stock pro-rata to its partners, including its limited partners and its general partner, IVA VI, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.  On the same date, IVA VI distributed in-kind, without consideration, the 9,801 shares of Class A Common Stock received in the Index VI Parallel distribution pro-rata to its shareholders, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F9","text":"Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date.  Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon the earlier of: (i) any transfer, whether or not for value, except for certain \"Permitted Transfers\" as defined in the Issuer's amended and restated certificate of incorporation, and (ii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F9","text":"Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date.  Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon the earlier of: (i) any transfer, whether or not for value, except for certain \"Permitted Transfers\" as defined in the Issuer's amended and restated certificate of incorporation, and (ii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F6","text":"The shares are held by Index VI Parallel.  IVA VI is the general partner of Index VI Parallel and disclaims Section 16 beneficial ownership of such shares except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such shares are beneficially owned by it for Section 16 or any other purpose."}],"balance_after":444645,"derivative":{"underlying":"Class A Common Stock","underlying_shares":39202},"source":{"system":"sec-edgar","filing":"0000899243-20-031263","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":10,"url":"https://www.sec.gov/Archives/edgar/data/1754871/000089924320031263/doc4.xml","form_type":"4"}},{"id":2977858,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":24138,"kind":"organization","name":"Index Ventures VI (Jersey) LP","position":1,"cik":"0001754862","reported_name":"Index Ventures VI (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":124770,"kind":"organization","name":"Index Ventures Growth III (Jersey), L.P.","position":2,"cik":"0001638260","reported_name":"Index Ventures Growth III (Jersey), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24139,"kind":"organization","name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","position":3,"cik":"0001754871","reported_name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24141,"kind":"person","name":"Yucca (Jersey) SLP","position":4,"cik":"0001591294","reported_name":"Yucca (Jersey) SLP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":96868,"kind":"organization","name":"Index Venture Growth Associates III Ltd","position":5,"cik":"0001785453","reported_name":"Index Venture Growth Associates III Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24140,"kind":"organization","name":"Index Venture Associates VI Ltd","position":6,"cik":"0001755035","reported_name":"Index Venture Associates VI Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2020-11-17T21:00:11.000Z","date":"2020-11-13","kind":"exercise","acquired":false,"shares":1942147,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F9","text":"Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date.  Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon the earlier of: (i) any transfer, whether or not for value, except for certain \"Permitted Transfers\" as defined in the Issuer's amended and restated certificate of incorporation, and (ii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"kind","element":"transactionCoding","label":"F3","text":"On November 13, 2020, Index Ventures VI (Jersey), L.P. (\"Index VI\") converted in the aggregate 1,942,147 shares of the Issuer's Class B Common Stock into 1,942,147 shares of the Issuer's Class A Common Stock.  Subsequently on the same date, Index VI distributed in-kind, without consideration, 1,942,147 shares of Class A Common Stock pro-rata to its partners, including its limited partners and its general partner, Index Venture Associates VI Limited (\"IVA VI\"), in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. On the same date, IVA VI distributed in-kind, without consideration, the 485,536 shares of Class A Common Stock received in the Index VI distribution pro-rata to its shareholders, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F9","text":"Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date.  Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon the earlier of: (i) any transfer, whether or not for value, except for certain \"Permitted Transfers\" as defined in the Issuer's amended and restated certificate of incorporation, and (ii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F9","text":"Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date.  Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon the earlier of: (i) any transfer, whether or not for value, except for certain \"Permitted Transfers\" as defined in the Issuer's amended and restated certificate of incorporation, and (ii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F4","text":"The shares are held by Index VI.  IVA VI is the general partner of Index VI and disclaims Section 16 beneficial ownership of such shares except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such shares are beneficially owned by it for Section 16 or any other purpose."}],"balance_after":22028320,"derivative":{"underlying":"Class A Common Stock","underlying_shares":1942147},"source":{"system":"sec-edgar","filing":"0000899243-20-031263","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1754871/000089924320031263/doc4.xml","form_type":"4"}},{"id":2977857,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":24138,"kind":"organization","name":"Index Ventures VI (Jersey) LP","position":1,"cik":"0001754862","reported_name":"Index Ventures VI (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":124770,"kind":"organization","name":"Index Ventures Growth III (Jersey), L.P.","position":2,"cik":"0001638260","reported_name":"Index Ventures Growth III (Jersey), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24139,"kind":"organization","name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","position":3,"cik":"0001754871","reported_name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24141,"kind":"person","name":"Yucca (Jersey) SLP","position":4,"cik":"0001591294","reported_name":"Yucca (Jersey) SLP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":96868,"kind":"organization","name":"Index Venture Growth Associates III Ltd","position":5,"cik":"0001785453","reported_name":"Index Venture Growth Associates III Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24140,"kind":"organization","name":"Index Venture Associates VI Ltd","position":6,"cik":"0001755035","reported_name":"Index Venture Associates VI Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2020-11-17T21:00:11.000Z","date":"2020-11-13","kind":"exercise","acquired":false,"shares":653618,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F9","text":"Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date.  Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon the earlier of: (i) any transfer, whether or not for value, except for certain \"Permitted Transfers\" as defined in the Issuer's amended and restated certificate of incorporation, and (ii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"kind","element":"transactionCoding","label":"F1","text":"On November 13, 2020, Index Ventures Growth III (Jersey), L.P. (\"Index Growth III\") converted in the aggregate 653,618 shares of the Issuer's Class B Common Stock into 653,618 shares of the Issuer's Class A Common Stock.  Subsequently on the same date, Index Growth III distributed in-kind, without consideration, 653,618 shares of Class A Common Stock pro-rata to its limited partners, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F9","text":"Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date.  Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon the earlier of: (i) any transfer, whether or not for value, except for certain \"Permitted Transfers\" as defined in the Issuer's amended and restated certificate of incorporation, and (ii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F9","text":"Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date.  Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon the earlier of: (i) any transfer, whether or not for value, except for certain \"Permitted Transfers\" as defined in the Issuer's amended and restated certificate of incorporation, and (ii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"The shares are held by Index Growth III.  Index Venture Growth Associates III Limited (\"IVGA III\") is the general partner of Index Growth III and disclaims Section 16 beneficial ownership of such shares except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such shares are beneficially owned by it for Section 16 or any other purpose."}],"balance_after":7413495,"derivative":{"underlying":"Class A Common Stock","underlying_shares":653618},"source":{"system":"sec-edgar","filing":"0000899243-20-031263","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1754871/000089924320031263/doc4.xml","form_type":"4"}},{"id":2977856,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":24138,"kind":"organization","name":"Index Ventures VI (Jersey) LP","position":1,"cik":"0001754862","reported_name":"Index Ventures VI (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":124770,"kind":"organization","name":"Index Ventures Growth III (Jersey), L.P.","position":2,"cik":"0001638260","reported_name":"Index Ventures Growth III (Jersey), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24139,"kind":"organization","name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","position":3,"cik":"0001754871","reported_name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24141,"kind":"person","name":"Yucca (Jersey) SLP","position":4,"cik":"0001591294","reported_name":"Yucca (Jersey) SLP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":96868,"kind":"organization","name":"Index Venture Growth Associates III Ltd","position":5,"cik":"0001785453","reported_name":"Index Venture Growth Associates III Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24140,"kind":"organization","name":"Index Venture Associates VI Ltd","position":6,"cik":"0001755035","reported_name":"Index Venture Associates VI Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2020-11-17T21:00:11.000Z","date":"2020-11-13","kind":"exercise","acquired":true,"shares":35033,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F7","text":"On November 13, 2020, Yucca (Jersey) SLP (\"Yucca\") converted in the aggregate 35,033 shares of the Issuer's Class B Common Stock into 35,033 shares of the Issuer's Class A Common Stock."},{"field":"price","element":"transactionPricePerShare","label":"F7","text":"On November 13, 2020, Yucca (Jersey) SLP (\"Yucca\") converted in the aggregate 35,033 shares of the Issuer's Class B Common Stock into 35,033 shares of the Issuer's Class A Common Stock."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F8","text":"The shares are held by Yucca.  Yucca is the administrator of the Index co-investment vehicles that are contractually required to mirror the relevant Fund's investment in the Issuer (in this case, Index Growth III, Index VI and Index VI Parallel).  Each of IVGA III and IVA VI disclaims Section 16 beneficial ownership of such shares except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such shares are beneficially owned by it for Section 16 or any other purpose."}],"balance_after":35033,"source":{"system":"sec-edgar","filing":"0000899243-20-031263","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1754871/000089924320031263/doc4.xml","form_type":"4"}},{"id":2977855,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":24138,"kind":"organization","name":"Index Ventures VI (Jersey) LP","position":1,"cik":"0001754862","reported_name":"Index Ventures VI (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":124770,"kind":"organization","name":"Index Ventures Growth III (Jersey), L.P.","position":2,"cik":"0001638260","reported_name":"Index Ventures Growth III (Jersey), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24139,"kind":"organization","name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","position":3,"cik":"0001754871","reported_name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24141,"kind":"person","name":"Yucca (Jersey) SLP","position":4,"cik":"0001591294","reported_name":"Yucca (Jersey) SLP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":96868,"kind":"organization","name":"Index Venture Growth Associates III Ltd","position":5,"cik":"0001785453","reported_name":"Index Venture Growth Associates III Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24140,"kind":"organization","name":"Index Venture Associates VI Ltd","position":6,"cik":"0001755035","reported_name":"Index Venture Associates VI Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2020-11-17T21:00:11.000Z","date":"2020-11-13","kind":"other","acquired":false,"shares":39202,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F5","text":"On November 13, 2020, Index Ventures VI Parallel Entrepreneur Fund (Jersey), L.P. (\"Index VI Parallel\") converted in the aggregate 39,202 shares of the Issuer's Class B Common Stock into 39,202 shares of the Issuer's Class A Common Stock.  Subsequently on the same date, Index VI Parallel distributed in-kind, without consideration, 39,202 shares of Class A Common Stock pro-rata to its partners, including its limited partners and its general partner, IVA VI, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.  On the same date, IVA VI distributed in-kind, without consideration, the 9,801 shares of Class A Common Stock received in the Index VI Parallel distribution pro-rata to its shareholders, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"On November 13, 2020, Index Ventures VI Parallel Entrepreneur Fund (Jersey), L.P. (\"Index VI Parallel\") converted in the aggregate 39,202 shares of the Issuer's Class B Common Stock into 39,202 shares of the Issuer's Class A Common Stock.  Subsequently on the same date, Index VI Parallel distributed in-kind, without consideration, 39,202 shares of Class A Common Stock pro-rata to its partners, including its limited partners and its general partner, IVA VI, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.  On the same date, IVA VI distributed in-kind, without consideration, the 9,801 shares of Class A Common Stock received in the Index VI Parallel distribution pro-rata to its shareholders, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F6","text":"The shares are held by Index VI Parallel.  IVA VI is the general partner of Index VI Parallel and disclaims Section 16 beneficial ownership of such shares except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such shares are beneficially owned by it for Section 16 or any other purpose."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0000899243-20-031263","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1754871/000089924320031263/doc4.xml","form_type":"4"}},{"id":2977854,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":24138,"kind":"organization","name":"Index Ventures VI (Jersey) LP","position":1,"cik":"0001754862","reported_name":"Index Ventures VI (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":124770,"kind":"organization","name":"Index Ventures Growth III (Jersey), L.P.","position":2,"cik":"0001638260","reported_name":"Index Ventures Growth III (Jersey), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24139,"kind":"organization","name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","position":3,"cik":"0001754871","reported_name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24141,"kind":"person","name":"Yucca (Jersey) SLP","position":4,"cik":"0001591294","reported_name":"Yucca (Jersey) SLP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":96868,"kind":"organization","name":"Index Venture Growth Associates III Ltd","position":5,"cik":"0001785453","reported_name":"Index Venture Growth Associates III Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24140,"kind":"organization","name":"Index Venture Associates VI Ltd","position":6,"cik":"0001755035","reported_name":"Index Venture Associates VI Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2020-11-17T21:00:11.000Z","date":"2020-11-13","kind":"exercise","acquired":true,"shares":39202,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F5","text":"On November 13, 2020, Index Ventures VI Parallel Entrepreneur Fund (Jersey), L.P. (\"Index VI Parallel\") converted in the aggregate 39,202 shares of the Issuer's Class B Common Stock into 39,202 shares of the Issuer's Class A Common Stock.  Subsequently on the same date, Index VI Parallel distributed in-kind, without consideration, 39,202 shares of Class A Common Stock pro-rata to its partners, including its limited partners and its general partner, IVA VI, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.  On the same date, IVA VI distributed in-kind, without consideration, the 9,801 shares of Class A Common Stock received in the Index VI Parallel distribution pro-rata to its shareholders, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"On November 13, 2020, Index Ventures VI Parallel Entrepreneur Fund (Jersey), L.P. (\"Index VI Parallel\") converted in the aggregate 39,202 shares of the Issuer's Class B Common Stock into 39,202 shares of the Issuer's Class A Common Stock.  Subsequently on the same date, Index VI Parallel distributed in-kind, without consideration, 39,202 shares of Class A Common Stock pro-rata to its partners, including its limited partners and its general partner, IVA VI, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.  On the same date, IVA VI distributed in-kind, without consideration, the 9,801 shares of Class A Common Stock received in the Index VI Parallel distribution pro-rata to its shareholders, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F6","text":"The shares are held by Index VI Parallel.  IVA VI is the general partner of Index VI Parallel and disclaims Section 16 beneficial ownership of such shares except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such shares are beneficially owned by it for Section 16 or any other purpose."}],"balance_after":39202,"source":{"system":"sec-edgar","filing":"0000899243-20-031263","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1754871/000089924320031263/doc4.xml","form_type":"4"}},{"id":2977853,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":24138,"kind":"organization","name":"Index Ventures VI (Jersey) LP","position":1,"cik":"0001754862","reported_name":"Index Ventures VI (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":124770,"kind":"organization","name":"Index Ventures Growth III (Jersey), L.P.","position":2,"cik":"0001638260","reported_name":"Index Ventures Growth III (Jersey), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24139,"kind":"organization","name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","position":3,"cik":"0001754871","reported_name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24141,"kind":"person","name":"Yucca (Jersey) SLP","position":4,"cik":"0001591294","reported_name":"Yucca (Jersey) SLP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":96868,"kind":"organization","name":"Index Venture Growth Associates III Ltd","position":5,"cik":"0001785453","reported_name":"Index Venture Growth Associates III Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24140,"kind":"organization","name":"Index Venture Associates VI Ltd","position":6,"cik":"0001755035","reported_name":"Index Venture Associates VI Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2020-11-17T21:00:11.000Z","date":"2020-11-13","kind":"other","acquired":false,"shares":1942147,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"On November 13, 2020, Index Ventures VI (Jersey), L.P. (\"Index VI\") converted in the aggregate 1,942,147 shares of the Issuer's Class B Common Stock into 1,942,147 shares of the Issuer's Class A Common Stock.  Subsequently on the same date, Index VI distributed in-kind, without consideration, 1,942,147 shares of Class A Common Stock pro-rata to its partners, including its limited partners and its general partner, Index Venture Associates VI Limited (\"IVA VI\"), in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. On the same date, IVA VI distributed in-kind, without consideration, the 485,536 shares of Class A Common Stock received in the Index VI distribution pro-rata to its shareholders, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"On November 13, 2020, Index Ventures VI (Jersey), L.P. (\"Index VI\") converted in the aggregate 1,942,147 shares of the Issuer's Class B Common Stock into 1,942,147 shares of the Issuer's Class A Common Stock.  Subsequently on the same date, Index VI distributed in-kind, without consideration, 1,942,147 shares of Class A Common Stock pro-rata to its partners, including its limited partners and its general partner, Index Venture Associates VI Limited (\"IVA VI\"), in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. On the same date, IVA VI distributed in-kind, without consideration, the 485,536 shares of Class A Common Stock received in the Index VI distribution pro-rata to its shareholders, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F4","text":"The shares are held by Index VI.  IVA VI is the general partner of Index VI and disclaims Section 16 beneficial ownership of such shares except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such shares are beneficially owned by it for Section 16 or any other purpose."}],"balance_after":1,"source":{"system":"sec-edgar","filing":"0000899243-20-031263","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1754871/000089924320031263/doc4.xml","form_type":"4"}},{"id":2977852,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":24138,"kind":"organization","name":"Index Ventures VI (Jersey) LP","position":1,"cik":"0001754862","reported_name":"Index Ventures VI (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":124770,"kind":"organization","name":"Index Ventures Growth III (Jersey), L.P.","position":2,"cik":"0001638260","reported_name":"Index Ventures Growth III (Jersey), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24139,"kind":"organization","name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","position":3,"cik":"0001754871","reported_name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24141,"kind":"person","name":"Yucca (Jersey) SLP","position":4,"cik":"0001591294","reported_name":"Yucca (Jersey) SLP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":96868,"kind":"organization","name":"Index Venture Growth Associates III Ltd","position":5,"cik":"0001785453","reported_name":"Index Venture Growth Associates III Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24140,"kind":"organization","name":"Index Venture Associates VI Ltd","position":6,"cik":"0001755035","reported_name":"Index Venture Associates VI Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2020-11-17T21:00:11.000Z","date":"2020-11-13","kind":"exercise","acquired":true,"shares":1942147,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"On November 13, 2020, Index Ventures VI (Jersey), L.P. (\"Index VI\") converted in the aggregate 1,942,147 shares of the Issuer's Class B Common Stock into 1,942,147 shares of the Issuer's Class A Common Stock.  Subsequently on the same date, Index VI distributed in-kind, without consideration, 1,942,147 shares of Class A Common Stock pro-rata to its partners, including its limited partners and its general partner, Index Venture Associates VI Limited (\"IVA VI\"), in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. On the same date, IVA VI distributed in-kind, without consideration, the 485,536 shares of Class A Common Stock received in the Index VI distribution pro-rata to its shareholders, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"On November 13, 2020, Index Ventures VI (Jersey), L.P. (\"Index VI\") converted in the aggregate 1,942,147 shares of the Issuer's Class B Common Stock into 1,942,147 shares of the Issuer's Class A Common Stock.  Subsequently on the same date, Index VI distributed in-kind, without consideration, 1,942,147 shares of Class A Common Stock pro-rata to its partners, including its limited partners and its general partner, Index Venture Associates VI Limited (\"IVA VI\"), in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. On the same date, IVA VI distributed in-kind, without consideration, the 485,536 shares of Class A Common Stock received in the Index VI distribution pro-rata to its shareholders, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F4","text":"The shares are held by Index VI.  IVA VI is the general partner of Index VI and disclaims Section 16 beneficial ownership of such shares except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such shares are beneficially owned by it for Section 16 or any other purpose."}],"balance_after":1942148,"source":{"system":"sec-edgar","filing":"0000899243-20-031263","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1754871/000089924320031263/doc4.xml","form_type":"4"}},{"id":2977851,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":24138,"kind":"organization","name":"Index Ventures VI (Jersey) LP","position":1,"cik":"0001754862","reported_name":"Index Ventures VI (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":124770,"kind":"organization","name":"Index Ventures Growth III (Jersey), L.P.","position":2,"cik":"0001638260","reported_name":"Index Ventures Growth III (Jersey), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24139,"kind":"organization","name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","position":3,"cik":"0001754871","reported_name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24141,"kind":"person","name":"Yucca (Jersey) SLP","position":4,"cik":"0001591294","reported_name":"Yucca (Jersey) SLP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":96868,"kind":"organization","name":"Index Venture Growth Associates III Ltd","position":5,"cik":"0001785453","reported_name":"Index Venture Growth Associates III Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24140,"kind":"organization","name":"Index Venture Associates VI Ltd","position":6,"cik":"0001755035","reported_name":"Index Venture Associates VI Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2020-11-17T21:00:11.000Z","date":"2020-11-13","kind":"other","acquired":false,"shares":653618,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"On November 13, 2020, Index Ventures Growth III (Jersey), L.P. (\"Index Growth III\") converted in the aggregate 653,618 shares of the Issuer's Class B Common Stock into 653,618 shares of the Issuer's Class A Common Stock.  Subsequently on the same date, Index Growth III distributed in-kind, without consideration, 653,618 shares of Class A Common Stock pro-rata to its limited partners, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"On November 13, 2020, Index Ventures Growth III (Jersey), L.P. (\"Index Growth III\") converted in the aggregate 653,618 shares of the Issuer's Class B Common Stock into 653,618 shares of the Issuer's Class A Common Stock.  Subsequently on the same date, Index Growth III distributed in-kind, without consideration, 653,618 shares of Class A Common Stock pro-rata to its limited partners, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"The shares are held by Index Growth III.  Index Venture Growth Associates III Limited (\"IVGA III\") is the general partner of Index Growth III and disclaims Section 16 beneficial ownership of such shares except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such shares are beneficially owned by it for Section 16 or any other purpose."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0000899243-20-031263","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1754871/000089924320031263/doc4.xml","form_type":"4"}},{"id":2977850,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":24138,"kind":"organization","name":"Index Ventures VI (Jersey) LP","position":1,"cik":"0001754862","reported_name":"Index Ventures VI (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":124770,"kind":"organization","name":"Index Ventures Growth III (Jersey), L.P.","position":2,"cik":"0001638260","reported_name":"Index Ventures Growth III (Jersey), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24139,"kind":"organization","name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","position":3,"cik":"0001754871","reported_name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24141,"kind":"person","name":"Yucca (Jersey) SLP","position":4,"cik":"0001591294","reported_name":"Yucca (Jersey) SLP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":96868,"kind":"organization","name":"Index Venture Growth Associates III Ltd","position":5,"cik":"0001785453","reported_name":"Index Venture Growth Associates III Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24140,"kind":"organization","name":"Index Venture Associates VI Ltd","position":6,"cik":"0001755035","reported_name":"Index Venture Associates VI Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2020-11-17T21:00:11.000Z","date":"2020-11-13","kind":"exercise","acquired":true,"shares":653618,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"On November 13, 2020, Index Ventures Growth III (Jersey), L.P. (\"Index Growth III\") converted in the aggregate 653,618 shares of the Issuer's Class B Common Stock into 653,618 shares of the Issuer's Class A Common Stock.  Subsequently on the same date, Index Growth III distributed in-kind, without consideration, 653,618 shares of Class A Common Stock pro-rata to its limited partners, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"On November 13, 2020, Index Ventures Growth III (Jersey), L.P. (\"Index Growth III\") converted in the aggregate 653,618 shares of the Issuer's Class B Common Stock into 653,618 shares of the Issuer's Class A Common Stock.  Subsequently on the same date, Index Growth III distributed in-kind, without consideration, 653,618 shares of Class A Common Stock pro-rata to its limited partners, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"The shares are held by Index Growth III.  Index Venture Growth Associates III Limited (\"IVGA III\") is the general partner of Index Growth III and disclaims Section 16 beneficial ownership of such shares except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such shares are beneficially owned by it for Section 16 or any other purpose."}],"balance_after":653618,"source":{"system":"sec-edgar","filing":"0000899243-20-031263","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1754871/000089924320031263/doc4.xml","form_type":"4"}},{"id":3042738,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":24138,"kind":"organization","name":"Index Ventures VI (Jersey) LP","position":1,"cik":"0001754862","reported_name":"Index Ventures VI (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":124770,"kind":"organization","name":"Index Ventures Growth III (Jersey), L.P.","position":2,"cik":"0001638260","reported_name":"Index Ventures Growth III (Jersey), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24139,"kind":"organization","name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","position":3,"cik":"0001754871","reported_name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24141,"kind":"person","name":"Yucca (Jersey) SLP","position":4,"cik":"0001591294","reported_name":"Yucca (Jersey) SLP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":96868,"kind":"organization","name":"Index Venture Growth Associates III Ltd","position":5,"cik":"0001785453","reported_name":"Index Venture Growth Associates III Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24140,"kind":"organization","name":"Index Venture Associates VI Ltd","position":6,"cik":"0001755035","reported_name":"Index Venture Associates VI Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2020-09-01T20:16:55.000Z","date":"2020-08-28","kind":"exercise","acquired":false,"shares":35033,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F12","text":"Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date.  Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon the earlier of: (i) any transfer, whether or not for value, except for certain \"Permitted Transfers\" as defined in the Issuer's amended and restated certificate of incorporation, and (ii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"kind","element":"transactionCoding","label":"F7","text":"On August 28, 2020, Yucca (Jersey) SLP (\"Yucca\") converted in the aggregate 35,033 shares of the Issuer's Class B Common Stock into 35,033 shares of the Issuer's Class A Common Stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F12","text":"Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date.  Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon the earlier of: (i) any transfer, whether or not for value, except for certain \"Permitted Transfers\" as defined in the Issuer's amended and restated certificate of incorporation, and (ii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F12","text":"Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date.  Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon the earlier of: (i) any transfer, whether or not for value, except for certain \"Permitted Transfers\" as defined in the Issuer's amended and restated certificate of incorporation, and (ii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F8","text":"The shares are held by Yucca.  Yucca is the administrator of the Index co-investment vehicles that are contractually required to mirror the relevant Fund's investment in the Issuer (in this case, Index Growth III, Index VI and Index VI Parallel).  Each of IVGA III and IVA VI disclaims Section 16 beneficial ownership of such shares except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such shares are beneficially owned by it for Section 16 or any other purpose."}],"balance_after":432382,"derivative":{"underlying":"Class A Common Stock","underlying_shares":35033},"source":{"system":"sec-edgar","filing":"0000899243-20-023759","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":14,"url":"https://www.sec.gov/Archives/edgar/data/1754871/000089924320023759/doc4.xml","form_type":"4"}},{"id":3042737,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":24138,"kind":"organization","name":"Index Ventures VI (Jersey) LP","position":1,"cik":"0001754862","reported_name":"Index Ventures VI (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":124770,"kind":"organization","name":"Index Ventures Growth III (Jersey), L.P.","position":2,"cik":"0001638260","reported_name":"Index Ventures Growth III (Jersey), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24139,"kind":"organization","name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","position":3,"cik":"0001754871","reported_name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24141,"kind":"person","name":"Yucca (Jersey) SLP","position":4,"cik":"0001591294","reported_name":"Yucca (Jersey) SLP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":96868,"kind":"organization","name":"Index Venture Growth Associates III Ltd","position":5,"cik":"0001785453","reported_name":"Index Venture Growth Associates III Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24140,"kind":"organization","name":"Index Venture Associates VI Ltd","position":6,"cik":"0001755035","reported_name":"Index Venture Associates VI Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2020-09-01T20:16:55.000Z","date":"2020-08-28","kind":"exercise","acquired":false,"shares":39203,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F12","text":"Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date.  Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon the earlier of: (i) any transfer, whether or not for value, except for certain \"Permitted Transfers\" as defined in the Issuer's amended and restated certificate of incorporation, and (ii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"kind","element":"transactionCoding","label":"F5","text":"On August 28, 2020, Index Ventures VI Parallel Entrepreneur Fund (Jersey), L.P. (\"Index VI Parallel\") converted in the aggregate 39,203 shares of the Issuer's Class B Common Stock into 39,203 shares of the Issuer's Class A Common Stock.  Subsequently on the same date, Index VI Parallel distributed in-kind, without consideration, 39,203 shares of Class A Common Stock pro-rata to its partners, including its limited partners and its general partner, IVA VI, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.  On the same date, IVA VI distributed in-kind, without consideration, the 9,801 shares of Class A Common Stock received in the Index VI Parallel distribution pro-rata to its shareholders, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F12","text":"Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date.  Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon the earlier of: (i) any transfer, whether or not for value, except for certain \"Permitted Transfers\" as defined in the Issuer's amended and restated certificate of incorporation, and (ii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F12","text":"Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date.  Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon the earlier of: (i) any transfer, whether or not for value, except for certain \"Permitted Transfers\" as defined in the Issuer's amended and restated certificate of incorporation, and (ii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F6","text":"The shares are held by Index VI Parallel.  IVA VI is the general partner of Index VI Parallel and disclaims Section 16 beneficial ownership of such shares except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such shares are beneficially owned by it for Section 16 or any other purpose."}],"balance_after":483847,"derivative":{"underlying":"Class A Common Stock","underlying_shares":39203},"source":{"system":"sec-edgar","filing":"0000899243-20-023759","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":13,"url":"https://www.sec.gov/Archives/edgar/data/1754871/000089924320023759/doc4.xml","form_type":"4"}},{"id":3042736,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":24138,"kind":"organization","name":"Index Ventures VI (Jersey) LP","position":1,"cik":"0001754862","reported_name":"Index Ventures VI (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":124770,"kind":"organization","name":"Index Ventures Growth III (Jersey), L.P.","position":2,"cik":"0001638260","reported_name":"Index Ventures Growth III (Jersey), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24139,"kind":"organization","name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","position":3,"cik":"0001754871","reported_name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24141,"kind":"person","name":"Yucca (Jersey) SLP","position":4,"cik":"0001591294","reported_name":"Yucca (Jersey) SLP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":96868,"kind":"organization","name":"Index Venture Growth Associates III Ltd","position":5,"cik":"0001785453","reported_name":"Index Venture Growth Associates III Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24140,"kind":"organization","name":"Index Venture Associates VI Ltd","position":6,"cik":"0001755035","reported_name":"Index Venture Associates VI Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2020-09-01T20:16:55.000Z","date":"2020-08-28","kind":"exercise","acquired":false,"shares":1942146,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F12","text":"Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date.  Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon the earlier of: (i) any transfer, whether or not for value, except for certain \"Permitted Transfers\" as defined in the Issuer's amended and restated certificate of incorporation, and (ii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"kind","element":"transactionCoding","label":"F3","text":"On August 28, 2020, Index Ventures VI (Jersey), L.P. (\"Index VI\") converted in the aggregate 1,942,146 shares of the Issuer's Class B Common Stock into 1,942,146 shares of the Issuer's Class A Common Stock.  Subsequently on the same date, Index VI distributed in-kind, without consideration, 1,942,146 shares of Class A Common Stock pro-rata to its partners, including its limited partners and its general partner, Index Venture Associates VI Limited (\"IVA VI\"), in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. On the same date, IVA VI distributed in-kind, without consideration, the 485,537 shares of Class A Common Stock received in the Index VI distribution pro-rata to its shareholders, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F12","text":"Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date.  Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon the earlier of: (i) any transfer, whether or not for value, except for certain \"Permitted Transfers\" as defined in the Issuer's amended and restated certificate of incorporation, and (ii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F12","text":"Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date.  Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon the earlier of: (i) any transfer, whether or not for value, except for certain \"Permitted Transfers\" as defined in the Issuer's amended and restated certificate of incorporation, and (ii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F4","text":"The shares are held by Index VI.  IVA VI is the general partner of Index VI and disclaims Section 16 beneficial ownership of such shares except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such shares are beneficially owned by it for Section 16 or any other purpose."}],"balance_after":23970467,"derivative":{"underlying":"Class A Common Stock","underlying_shares":1942146},"source":{"system":"sec-edgar","filing":"0000899243-20-023759","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":12,"url":"https://www.sec.gov/Archives/edgar/data/1754871/000089924320023759/doc4.xml","form_type":"4"}},{"id":3042735,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":24138,"kind":"organization","name":"Index Ventures VI (Jersey) LP","position":1,"cik":"0001754862","reported_name":"Index Ventures VI (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":124770,"kind":"organization","name":"Index Ventures Growth III (Jersey), L.P.","position":2,"cik":"0001638260","reported_name":"Index Ventures Growth III (Jersey), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24139,"kind":"organization","name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","position":3,"cik":"0001754871","reported_name":"Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24141,"kind":"person","name":"Yucca (Jersey) SLP","position":4,"cik":"0001591294","reported_name":"Yucca (Jersey) SLP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":96868,"kind":"organization","name":"Index Venture Growth Associates III Ltd","position":5,"cik":"0001785453","reported_name":"Index Venture Growth Associates III Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":24140,"kind":"organization","name":"Index Venture Associates VI Ltd","position":6,"cik":"0001755035","reported_name":"Index Venture Associates VI Ltd","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2020-09-01T20:16:55.000Z","date":"2020-08-28","kind":"exercise","acquired":false,"shares":653618,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F12","text":"Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date.  Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon the earlier of: (i) any transfer, whether or not for value, except for certain \"Permitted Transfers\" as defined in the Issuer's amended and restated certificate of incorporation, and (ii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"kind","element":"transactionCoding","label":"F1","text":"On August 28, 2020, Index Ventures Growth III (Jersey), L.P. (\"Index Growth III\") converted in the aggregate 653,618 shares of the Issuer's Class B Common Stock into 653,618 shares of the Issuer's Class A Common Stock.  Subsequently on the same date, Index Growth III distributed in-kind, without consideration, 653,618 shares of Class A Common Stock pro-rata to its limited partners, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F12","text":"Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date.  Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon the earlier of: (i) any transfer, whether or not for value, except for certain \"Permitted Transfers\" as defined in the Issuer's amended and restated certificate of incorporation, and (ii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F12","text":"Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date.  Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon the earlier of: (i) any transfer, whether or not for value, except for certain \"Permitted Transfers\" as defined in the Issuer's amended and restated certificate of incorporation, and (ii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"The shares are held by Index Growth III.  Index Venture Growth Associates III Limited (\"IVGA III\") is the general partner of Index Growth III and disclaims Section 16 beneficial ownership of such shares except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such shares are beneficially owned by it for Section 16 or any other purpose."}],"balance_after":8067113,"derivative":{"underlying":"Class A Common Stock","underlying_shares":653618},"source":{"system":"sec-edgar","filing":"0000899243-20-023759","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":11,"url":"https://www.sec.gov/Archives/edgar/data/1754871/000089924320023759/doc4.xml","form_type":"4"}}],"next_cursor":"2020-09-01T20:16:55.000000Z,3042735"}