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Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon the earliest 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, (ii) the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","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 earliest 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, (ii) the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","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 earliest 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, (ii) the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The Shares are held by The Callahan-Thernstrom Family Trust, of which Reporting Person is Trustee."}],"balance_after":85542,"derivative":{"underlying":"Class A Common Stock","underlying_shares":12500},"source":{"system":"sec-edgar","filing":"0001561550-26-000256","document":"wk-form4_1786048633.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1561550/000156155026000256/wk-form4_1786048633.xml","form_type":"4"}},{"id":693963,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":25761,"kind":"person","name":"Callahan Michael James","position":1,"cik":"0001784030","reported_name":"Callahan Michael James","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2026-08-06T20:37:16.000Z","date":"2026-08-04","kind":"sale","planned":true,"acquired":false,"shares":12500,"price":287.47,"value":3593375.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"Shares sold pursuant to a 10b5-1 plan dated March 13, 2026."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The Shares are held by The Callahan-Thernstrom Family Trust, of which Reporting Person is Trustee."}],"balance_after":14996,"source":{"system":"sec-edgar","filing":"0001561550-26-000256","document":"wk-form4_1786048633.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1561550/000156155026000256/wk-form4_1786048633.xml","form_type":"4"}},{"id":693962,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":25761,"kind":"person","name":"Callahan Michael James","position":1,"cik":"0001784030","reported_name":"Callahan Michael James","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2026-08-06T20:37:16.000Z","date":"2026-08-04","kind":"exercise","planned":true,"acquired":true,"shares":12500,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","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 earliest 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, (ii) the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The Shares are held by The Callahan-Thernstrom Family Trust, of which Reporting Person is Trustee."}],"balance_after":27496,"source":{"system":"sec-edgar","filing":"0001561550-26-000256","document":"wk-form4_1786048633.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1561550/000156155026000256/wk-form4_1786048633.xml","form_type":"4"}},{"id":714538,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":25761,"kind":"person","name":"Callahan Michael James","position":1,"cik":"0001784030","reported_name":"Callahan Michael James","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class B Common Stock","published_at":"2026-07-06T21:54:21.000Z","date":"2026-07-01","kind":"exercise","planned":true,"acquired":false,"shares":12500,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","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 earliest 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, (ii) the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","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 earliest 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, (ii) the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","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 earliest 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, (ii) the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The Shares are held by The Callahan-Thernstrom Family Trust, of which Reporting Person is Trustee."}],"balance_after":98042,"derivative":{"underlying":"Class A Common Stock","underlying_shares":12500},"source":{"system":"sec-edgar","filing":"0001561550-26-000236","document":"wk-form4_1783374859.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1561550/000156155026000236/wk-form4_1783374859.xml","form_type":"4"}},{"id":714537,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":25761,"kind":"person","name":"Callahan Michael James","position":1,"cik":"0001784030","reported_name":"Callahan Michael James","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2026-07-06T21:54:21.000Z","date":"2026-07-01","kind":"sale","planned":true,"acquired":false,"shares":12500,"price":267.47,"value":3343375.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"Shares sold pursuant to a 10b5-1 plan dated March 13, 2026."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The Shares are held by The Callahan-Thernstrom Family Trust, of which Reporting Person is Trustee."}],"balance_after":14996,"source":{"system":"sec-edgar","filing":"0001561550-26-000236","document":"wk-form4_1783374859.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1561550/000156155026000236/wk-form4_1783374859.xml","form_type":"4"}},{"id":714536,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":25761,"kind":"person","name":"Callahan Michael James","position":1,"cik":"0001784030","reported_name":"Callahan Michael James","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2026-07-06T21:54:21.000Z","date":"2026-07-01","kind":"exercise","planned":true,"acquired":true,"shares":12500,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","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 earliest 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, (ii) the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The Shares are held by The Callahan-Thernstrom Family Trust, of which Reporting Person is Trustee."}],"balance_after":27496,"source":{"system":"sec-edgar","filing":"0001561550-26-000236","document":"wk-form4_1783374859.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1561550/000156155026000236/wk-form4_1783374859.xml","form_type":"4"}},{"id":720744,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":25761,"kind":"person","name":"Callahan Michael James","position":1,"cik":"0001784030","reported_name":"Callahan Michael James","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class B Common Stock","published_at":"2026-07-01T20:31:38.000Z","date":"2026-06-29","kind":"exercise","planned":true,"acquired":false,"shares":12500,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","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 earliest 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, (ii) the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","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 earliest 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, (ii) the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","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 earliest 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, (ii) the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The Shares are held by The Callahan-Thernstrom Family Trust, of which Reporting Person is Trustee."}],"balance_after":110542,"derivative":{"underlying":"Class A Common Stock","underlying_shares":12500},"source":{"system":"sec-edgar","filing":"0001561550-26-000232","document":"wk-form4_1782937895.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1561550/000156155026000232/wk-form4_1782937895.xml","form_type":"4"}},{"id":720743,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":25761,"kind":"person","name":"Callahan Michael James","position":1,"cik":"0001784030","reported_name":"Callahan Michael James","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2026-07-01T20:31:38.000Z","date":"2026-06-29","kind":"sale","planned":true,"acquired":false,"shares":12500,"price":247.47,"value":3093375.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"Shares sold pursuant to a 10b5-1 plan dated March 13, 2026."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The Shares are held by The Callahan-Thernstrom Family Trust, of which Reporting Person is Trustee."}],"balance_after":14996,"source":{"system":"sec-edgar","filing":"0001561550-26-000232","document":"wk-form4_1782937895.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1561550/000156155026000232/wk-form4_1782937895.xml","form_type":"4"}},{"id":720742,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":25761,"kind":"person","name":"Callahan Michael James","position":1,"cik":"0001784030","reported_name":"Callahan Michael James","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2026-07-01T20:31:38.000Z","date":"2026-06-29","kind":"exercise","planned":true,"acquired":true,"shares":12500,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","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 earliest 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, (ii) the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The Shares are held by The Callahan-Thernstrom Family Trust, of which Reporting Person is Trustee."}],"balance_after":27496,"source":{"system":"sec-edgar","filing":"0001561550-26-000232","document":"wk-form4_1782937895.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1561550/000156155026000232/wk-form4_1782937895.xml","form_type":"4"}},{"id":735860,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":25761,"kind":"person","name":"Callahan Michael James","position":1,"cik":"0001784030","reported_name":"Callahan Michael James","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class B Common Stock","published_at":"2026-06-16T20:39:17.000Z","date":"2026-06-12","kind":"exercise","planned":true,"acquired":false,"shares":112500,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","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 earliest 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, (ii) the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","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 earliest 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, (ii) the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","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 earliest 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, (ii) the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The Shares are held by The Callahan-Thernstrom Family Trust, of which Reporting Person is Trustee."}],"balance_after":123042,"derivative":{"underlying":"Class A Common Stock","underlying_shares":112500},"source":{"system":"sec-edgar","filing":"0001561550-26-000205","document":"wk-form4_1781642354.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":12,"url":"https://www.sec.gov/Archives/edgar/data/1561550/000156155026000205/wk-form4_1781642354.xml","form_type":"4"}},{"id":735859,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":25761,"kind":"person","name":"Callahan Michael James","position":1,"cik":"0001784030","reported_name":"Callahan Michael James","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2026-06-16T20:39:17.000Z","date":"2026-06-15","kind":"grant","planned":true,"acquired":true,"shares":1072,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F13","text":"Represents the number of shares underlying Restricted Stock Units (\"RSUs\") granted pursuant to the Issuer's non-employee director compensation policy. Each RSU represents a contingent right to receive one share of Issuer's Class A common stock. The RSUs vest on the earlier of (A) the Company's next annual meeting of stockholders and (B) June 15, 2027, in each case, subject to the Reporting Person's continuous service to the Issuer through the vesting date."}],"balance_after":20684,"source":{"system":"sec-edgar","filing":"0001561550-26-000205","document":"wk-form4_1781642354.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":11,"url":"https://www.sec.gov/Archives/edgar/data/1561550/000156155026000205/wk-form4_1781642354.xml","form_type":"4"}},{"id":735858,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":25761,"kind":"person","name":"Callahan Michael James","position":1,"cik":"0001784030","reported_name":"Callahan Michael James","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2026-06-16T20:39:17.000Z","date":"2026-06-12","kind":"sale","planned":true,"acquired":false,"shares":1746,"price":236.2021,"value":412408.8666,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"Shares sold pursuant to a 10b5-1 plan dated March 13, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F12","text":"Price reported is a weighted-average sales price. The shares were sold at prices ranging from $235.90 to $236.65. The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The Shares are held by The Callahan-Thernstrom Family Trust, of which Reporting Person is Trustee."}],"balance_after":14996,"source":{"system":"sec-edgar","filing":"0001561550-26-000205","document":"wk-form4_1781642354.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":10,"url":"https://www.sec.gov/Archives/edgar/data/1561550/000156155026000205/wk-form4_1781642354.xml","form_type":"4"}},{"id":735857,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":25761,"kind":"person","name":"Callahan Michael James","position":1,"cik":"0001784030","reported_name":"Callahan Michael James","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2026-06-16T20:39:17.000Z","date":"2026-06-12","kind":"sale","planned":true,"acquired":false,"shares":2901,"price":235.4903,"value":683157.3603,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"Shares sold pursuant to a 10b5-1 plan dated March 13, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F11","text":"Price reported is a weighted-average sales price. The shares were sold at prices ranging from $234.86 to $235.85. The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The Shares are held by The Callahan-Thernstrom Family Trust, of which Reporting Person is Trustee."}],"balance_after":16742,"source":{"system":"sec-edgar","filing":"0001561550-26-000205","document":"wk-form4_1781642354.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1561550/000156155026000205/wk-form4_1781642354.xml","form_type":"4"}},{"id":735856,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":25761,"kind":"person","name":"Callahan Michael James","position":1,"cik":"0001784030","reported_name":"Callahan Michael James","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2026-06-16T20:39:17.000Z","date":"2026-06-12","kind":"sale","planned":true,"acquired":false,"shares":16145,"price":234.0983,"value":3779517.0535,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"Shares sold pursuant to a 10b5-1 plan dated March 13, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F10","text":"Price reported is a weighted-average sales price. The shares were sold at prices ranging from $233.85 to $234.84. The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The Shares are held by The Callahan-Thernstrom Family Trust, of which Reporting Person is Trustee."}],"balance_after":19643,"source":{"system":"sec-edgar","filing":"0001561550-26-000205","document":"wk-form4_1781642354.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1561550/000156155026000205/wk-form4_1781642354.xml","form_type":"4"}},{"id":735855,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":25761,"kind":"person","name":"Callahan Michael James","position":1,"cik":"0001784030","reported_name":"Callahan Michael James","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2026-06-16T20:39:17.000Z","date":"2026-06-12","kind":"sale","planned":true,"acquired":false,"shares":12005,"price":233.3673,"value":2801574.4365,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"Shares sold pursuant to a 10b5-1 plan dated March 13, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F9","text":"Price reported is a weighted-average sales price. 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The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The Shares are held by The Callahan-Thernstrom Family Trust, of which Reporting Person is Trustee."}],"balance_after":35788,"source":{"system":"sec-edgar","filing":"0001561550-26-000205","document":"wk-form4_1781642354.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1561550/000156155026000205/wk-form4_1781642354.xml","form_type":"4"}},{"id":735854,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":25761,"kind":"person","name":"Callahan Michael James","position":1,"cik":"0001784030","reported_name":"Callahan Michael James","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2026-06-16T20:39:17.000Z","date":"2026-06-12","kind":"sale","planned":true,"acquired":false,"shares":18830,"price":232.3145,"value":4374482.035,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"Shares sold pursuant to a 10b5-1 plan dated March 13, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F8","text":"Price reported is a weighted-average sales price. 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The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The Shares are held by The Callahan-Thernstrom Family Trust, of which Reporting Person is Trustee."}],"balance_after":66623,"source":{"system":"sec-edgar","filing":"0001561550-26-000205","document":"wk-form4_1781642354.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1561550/000156155026000205/wk-form4_1781642354.xml","form_type":"4"}},{"id":735852,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":25761,"kind":"person","name":"Callahan Michael James","position":1,"cik":"0001784030","reported_name":"Callahan Michael James","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2026-06-16T20:39:17.000Z","date":"2026-06-12","kind":"sale","planned":true,"acquired":false,"shares":28701,"price":230.0622,"value":6603015.2022,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"Shares sold pursuant to a 10b5-1 plan dated March 13, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"Price reported is a weighted-average sales price. 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The shares were sold at prices ranging from $228.83 to $229.82. The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The Shares are held by The Callahan-Thernstrom Family Trust, of which Reporting Person is Trustee."}],"balance_after":109497,"source":{"system":"sec-edgar","filing":"0001561550-26-000205","document":"wk-form4_1781642354.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1561550/000156155026000205/wk-form4_1781642354.xml","form_type":"4"}},{"id":735850,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":25761,"kind":"person","name":"Callahan Michael James","position":1,"cik":"0001784030","reported_name":"Callahan Michael James","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2026-06-16T20:39:17.000Z","date":"2026-06-12","kind":"sale","planned":true,"acquired":false,"shares":6715,"price":228.3086,"value":1533092.249,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"Shares sold pursuant to a 10b5-1 plan dated March 13, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"Price reported is a weighted-average sales price. 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The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The Shares are held by The Callahan-Thernstrom Family Trust, of which Reporting Person is Trustee."}],"balance_after":120781,"source":{"system":"sec-edgar","filing":"0001561550-26-000205","document":"wk-form4_1781642354.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1561550/000156155026000205/wk-form4_1781642354.xml","form_type":"4"}},{"id":735849,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":25761,"kind":"person","name":"Callahan Michael James","position":1,"cik":"0001784030","reported_name":"Callahan Michael James","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2026-06-16T20:39:17.000Z","date":"2026-06-12","kind":"exercise","planned":true,"acquired":true,"shares":112500,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","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. 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Each share of Class B Common\nStock will convert automatically into one share of Class A Common Stock upon the earliest of: (i) any transfer, whether or not for value, except for certain \"Permitted Transfers\" as defined in the Issuer's\namended and restated certificate of incorporation, (ii) the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public\noffering of its Class A Common Stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","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\nStock will convert automatically into one share of Class A Common Stock upon the earliest of: (i) any transfer, whether or not for value, except for certain \"Permitted Transfers\" as defined in the Issuer's\namended and restated certificate of incorporation, (ii) the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public\noffering of its Class A Common Stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","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\nStock will convert automatically into one share of Class A Common Stock upon the earliest of: (i) any transfer, whether or not for value, except for certain \"Permitted Transfers\" as defined in the Issuer's\namended and restated certificate of incorporation, (ii) the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public\noffering of its Class A Common Stock."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The Shares are held by The Callahan-Thernstrom Family Trust, of which Reporting Person is Trustee."}],"balance_after":255542,"derivative":{"underlying":"Class A Common Stock","underlying_shares":12500},"source":{"system":"sec-edgar","filing":"0001561550-25-000315","document":"wk-form4_1762809752.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1561550/000156155025000315/wk-form4_1762809752.xml","form_type":"4"}},{"id":1003441,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":25761,"kind":"person","name":"Callahan Michael James","position":1,"cik":"0001784030","reported_name":"Callahan Michael James","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2025-11-10T21:22:35.000Z","date":"2025-11-06","kind":"sale","planned":true,"acquired":false,"shares":12500,"price":187.47,"value":2343375.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"Shares sold pursuant to a 10b5-1 plan dated December 12, 2024."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The Shares are held by The Callahan-Thernstrom Family Trust, of which Reporting Person is Trustee."}],"balance_after":12496,"source":{"system":"sec-edgar","filing":"0001561550-25-000315","document":"wk-form4_1762809752.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1561550/000156155025000315/wk-form4_1762809752.xml","form_type":"4"}},{"id":1003440,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":25761,"kind":"person","name":"Callahan Michael James","position":1,"cik":"0001784030","reported_name":"Callahan Michael James","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2025-11-10T21:22:35.000Z","date":"2025-11-06","kind":"exercise","planned":true,"acquired":true,"shares":12500,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","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\nStock will convert automatically into one share of Class A Common Stock upon the earliest of: (i) any transfer, whether or not for value, except for certain \"Permitted Transfers\" as defined in the Issuer's\namended and restated certificate of incorporation, (ii) the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public\noffering of its Class A Common Stock."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The Shares are held by The Callahan-Thernstrom Family Trust, of which Reporting Person is Trustee."}],"balance_after":24996,"source":{"system":"sec-edgar","filing":"0001561550-25-000315","document":"wk-form4_1762809752.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1561550/000156155025000315/wk-form4_1762809752.xml","form_type":"4"}},{"id":1017451,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":25761,"kind":"person","name":"Callahan Michael James","position":1,"cik":"0001784030","reported_name":"Callahan Michael James","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class B Common Stock","published_at":"2025-10-16T20:15:25.000Z","date":"2025-10-14","kind":"exercise","planned":true,"acquired":false,"shares":8333,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","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 earliest 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, (ii) the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock"},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","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 earliest 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, (ii) the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock"},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","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 earliest 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, (ii) the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock"},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The Shares are held by The Callahan-Thernstrom Family Trust, of which Reporting Person is Trustee."}],"balance_after":268042,"derivative":{"underlying":"Class A Common Stock","underlying_shares":8333},"source":{"system":"sec-edgar","filing":"0001561550-25-000302","document":"wk-form4_1760645722.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1561550/000156155025000302/wk-form4_1760645722.xml","form_type":"4"}},{"id":1017450,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":25761,"kind":"person","name":"Callahan Michael James","position":1,"cik":"0001784030","reported_name":"Callahan Michael James","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2025-10-16T20:15:25.000Z","date":"2025-10-14","kind":"sale","planned":true,"acquired":false,"shares":8333,"price":160.547,"value":1337838.151,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"Shares sold pursuant to a 10b5-1 plan dated December 12, 2024."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"Price reported is a weighted-average sales price. The shares were sold at prices ranging from $160 to $160.63. The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The Shares are held by The Callahan-Thernstrom Family Trust, of which Reporting Person is Trustee."}],"balance_after":12496,"source":{"system":"sec-edgar","filing":"0001561550-25-000302","document":"wk-form4_1760645722.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1561550/000156155025000302/wk-form4_1760645722.xml","form_type":"4"}},{"id":1017449,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":25761,"kind":"person","name":"Callahan Michael James","position":1,"cik":"0001784030","reported_name":"Callahan Michael James","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2025-10-16T20:15:25.000Z","date":"2025-10-14","kind":"exercise","planned":true,"acquired":true,"shares":8333,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","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 earliest 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, (ii) the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock"},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The Shares are held by The Callahan-Thernstrom Family Trust, of which Reporting Person is Trustee."}],"balance_after":20829,"source":{"system":"sec-edgar","filing":"0001561550-25-000302","document":"wk-form4_1760645722.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1561550/000156155025000302/wk-form4_1760645722.xml","form_type":"4"}},{"id":1021281,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":25761,"kind":"person","name":"Callahan Michael James","position":1,"cik":"0001784030","reported_name":"Callahan Michael James","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class B Common Stock","published_at":"2025-10-08T20:12:18.000Z","date":"2025-10-06","kind":"exercise","planned":true,"acquired":false,"shares":91667,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","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 earliest 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, (ii) the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","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 earliest 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, (ii) the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","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 earliest 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, (ii) the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The Shares are held by The Callahan-Thernstrom Family Trust, of which Reporting Person is Trustee"}],"balance_after":276375,"derivative":{"underlying":"Class A Common Stock","underlying_shares":91667},"source":{"system":"sec-edgar","filing":"0001561550-25-000296","document":"wk-form4_1759954335.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1561550/000156155025000296/wk-form4_1759954335.xml","form_type":"4"}},{"id":1021280,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":25761,"kind":"person","name":"Callahan Michael James","position":1,"cik":"0001784030","reported_name":"Callahan Michael James","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2025-10-08T20:12:18.000Z","date":"2025-10-06","kind":"sale","planned":true,"acquired":false,"shares":91667,"price":157.6024,"value":14446939.2008,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"Shares sold pursuant to a 10b5-1 plan dated December 12, 2024."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"Price reported is a weighted-average sales price. The shares were sold at prices ranging from $157.4700 to $158.4300. The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The Shares are held by The Callahan-Thernstrom Family Trust, of which Reporting Person is Trustee"}],"balance_after":12496,"source":{"system":"sec-edgar","filing":"0001561550-25-000296","document":"wk-form4_1759954335.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1561550/000156155025000296/wk-form4_1759954335.xml","form_type":"4"}},{"id":1021279,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":25761,"kind":"person","name":"Callahan Michael James","position":1,"cik":"0001784030","reported_name":"Callahan Michael James","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2025-10-08T20:12:18.000Z","date":"2025-10-06","kind":"exercise","planned":true,"acquired":true,"shares":91667,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","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 earliest 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, (ii) the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The Shares are held by The Callahan-Thernstrom Family Trust, of which Reporting Person is Trustee"}],"balance_after":104163,"source":{"system":"sec-edgar","filing":"0001561550-25-000296","document":"wk-form4_1759954335.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1561550/000156155025000296/wk-form4_1759954335.xml","form_type":"4"}},{"id":1120937,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":25761,"kind":"person","name":"Callahan Michael James","position":1,"cik":"0001784030","reported_name":"Callahan Michael James","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2025-06-05T21:00:26.000Z","date":"2025-06-03","kind":"grant","planned":false,"acquired":true,"shares":2106,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares underlying Restricted Stock Units (\"RSUs\") granted pursuant to the Issuer's non-employee director compensation policy. Each RSU represents a contingent right to receive one share of Issuer's Class A common stock. The RSUs vest on the earlier of (A) the Company's next annual meeting of stockholders and (B) June 3, 2026, in each case, subject to the Reporting Person's continuous service to the Issuer through the vesting date."}],"balance_after":19612,"source":{"system":"sec-edgar","filing":"0001561550-25-000172","document":"wk-form4_1749157008.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1561550/000156155025000172/wk-form4_1749157008.xml","form_type":"4"}},{"id":1486184,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":25761,"kind":"person","name":"Callahan Michael James","position":1,"cik":"0001784030","reported_name":"Callahan Michael James","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2024-06-07T21:18:01.000Z","date":"2024-06-05","kind":"grant","planned":false,"acquired":true,"shares":2262,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares underlying Restricted Stock Units (\"RSUs\") granted pursuant to the Issuer's non-employee director compensation policy. Each RSU represents a contingent right to receive one share of Issuer's Class A common stock. The RSUs vest on the earlier of (A) the Company's next annual meeting of stockholders and (B) June 5, 2025, in each case, subject to the Reporting Person's continuous service to the Issuer through the vesting date."}],"balance_after":17506,"source":{"system":"sec-edgar","filing":"0001415889-24-016036","document":"form4-06072024_090657.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1561550/000141588924016036/form4-06072024_090657.xml","form_type":"4"}},{"id":1860096,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":25761,"kind":"person","name":"Callahan Michael James","position":1,"cik":"0001784030","reported_name":"Callahan Michael James","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2023-06-09T20:19:23.000Z","date":"2023-06-08","kind":"grant","planned":false,"acquired":true,"shares":2603,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares underlying Restricted Stock Units (\"RSUs\") granted pursuant to the Issuer's non-employee director compensation policy. Each RSU represents a contingent right to receive one share of Issuer's Class A common stock. The RSUs vest on the earlier of (A) the Company's next annual meeting of stockholders and (B) June 8, 2024, in each case, subject to the Reporting Person's continuous service to the Issuer through the vesting date."}],"balance_after":15244,"source":{"system":"sec-edgar","filing":"0001209191-23-035813","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1561550/000120919123035813/doc4.xml","form_type":"4"}},{"id":2092230,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":25761,"kind":"person","name":"Callahan Michael James","position":1,"cik":"0001784030","reported_name":"Callahan Michael James","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class B Common Stock","published_at":"2022-12-08T21:44:03.000Z","date":"2022-12-06","kind":"exercise","acquired":false,"shares":1000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","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 earliest 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, (ii) the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"kind","element":"transactionCoding","label":"F1","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 earliest 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, (ii) the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","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 earliest 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, (ii) the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","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 earliest 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, (ii) the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."}],"balance_after":0,"derivative":{"underlying":"Class A Common Stock","underlying_shares":1000},"source":{"system":"sec-edgar","filing":"0001209191-22-060364","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1561550/000120919122060364/doc4.xml","form_type":"4"}},{"id":2092229,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":25761,"kind":"person","name":"Callahan Michael James","position":1,"cik":"0001784030","reported_name":"Callahan Michael James","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class B Common Stock","published_at":"2022-12-08T21:44:03.000Z","date":"2022-12-06","kind":"exercise","acquired":true,"shares":1000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","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 earliest 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, (ii) the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","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 earliest 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, (ii) the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","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 earliest 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, (ii) the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."}],"balance_after":1000,"derivative":{"underlying":"Class A Common Stock","underlying_shares":1000},"source":{"system":"sec-edgar","filing":"0001209191-22-060364","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1561550/000120919122060364/doc4.xml","form_type":"4"}},{"id":2092228,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":25761,"kind":"person","name":"Callahan Michael James","position":1,"cik":"0001784030","reported_name":"Callahan Michael James","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (Right to Buy)","published_at":"2022-12-08T21:44:03.000Z","date":"2022-12-06","kind":"exercise","acquired":false,"shares":1000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Fully vested and exercisable."}],"balance_after":5182,"derivative":{"exercise_price":0.9092,"expiration_date":"2029-06-28","underlying":"Class B Common Stock","underlying_shares":1000},"source":{"system":"sec-edgar","filing":"0001209191-22-060364","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1561550/000120919122060364/doc4.xml","form_type":"4"}},{"id":2092227,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":25761,"kind":"person","name":"Callahan Michael James","position":1,"cik":"0001784030","reported_name":"Callahan Michael James","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2022-12-08T21:44:03.000Z","date":"2022-12-06","kind":"exercise","acquired":true,"shares":1000,"price":0.9092,"value":909.2,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","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 earliest 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, (ii) the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."}],"balance_after":12641,"source":{"system":"sec-edgar","filing":"0001209191-22-060364","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1561550/000120919122060364/doc4.xml","form_type":"4"}},{"id":2242344,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":25761,"kind":"person","name":"Callahan Michael James","position":1,"cik":"0001784030","reported_name":"Callahan Michael James","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2022-06-06T22:18:00.000Z","date":"2022-06-02","kind":"grant","acquired":true,"shares":1816,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares underlying Restricted Stock Units (\"RSUs\") granted pursuant to the Issuer's non-employee director compensation policy. Each RSU represents a contingent right to receive one share of Issuer's Class A common stock. The RSUs vest on the earlier of (A) the Company's next annual meeting of stockholders and (B) June 2, 2023, in each case, subject to the Reporting Person's continuous service to the Issuer through the vesting date."}],"balance_after":11641,"source":{"system":"sec-edgar","filing":"0001209191-22-034660","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1561550/000120919122034660/doc4.xml","form_type":"4"}},{"id":2483755,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":25761,"kind":"person","name":"Callahan Michael James","position":1,"cik":"0001784030","reported_name":"Callahan Michael James","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class B Common Stock","published_at":"2021-12-07T00:34:04.000Z","date":"2021-12-06","kind":"exercise","acquired":false,"shares":12496,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","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 earliest 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, (ii) the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"kind","element":"transactionCoding","label":"F1","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 earliest 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, (ii) the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","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 earliest 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, (ii) the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","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 earliest 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, (ii) the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The Shares are held by The Callahan-Thernstrom Family Trust, of which Reporting Person is Trustee."}],"balance_after":368042,"derivative":{"underlying":"Class A Common Stock","underlying_shares":12496},"source":{"system":"sec-edgar","filing":"0001209191-21-068195","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":10,"url":"https://www.sec.gov/Archives/edgar/data/1561550/000120919121068195/doc4.xml","form_type":"4"}},{"id":2483754,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":25761,"kind":"person","name":"Callahan Michael James","position":1,"cik":"0001784030","reported_name":"Callahan Michael James","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class B Common Stock","published_at":"2021-12-07T00:34:04.000Z","date":"2021-12-03","kind":"gift","acquired":true,"shares":18940,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","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 earliest 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, (ii) the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","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 earliest 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, (ii) the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","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 earliest 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, (ii) the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F6","text":"Is comprised of 9,470 shares received from each of The Melanie Thernstrom Grantor Retained Annuity Trust and The Michael Callahan Grantor Retained Annuity Trust in  distributions to The Callahan-Thernstrom Family Trust."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The Shares are held by The Callahan-Thernstrom Family Trust, of which Reporting Person is Trustee."}],"balance_after":380538,"derivative":{"underlying":"Class A Common Stock","underlying_shares":18940},"source":{"system":"sec-edgar","filing":"0001209191-21-068195","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1561550/000120919121068195/doc4.xml","form_type":"4"}},{"id":2483753,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":25761,"kind":"person","name":"Callahan Michael James","position":1,"cik":"0001784030","reported_name":"Callahan Michael James","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class B Common Stock","published_at":"2021-12-07T00:34:04.000Z","date":"2021-12-03","kind":"gift","acquired":false,"shares":87504,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By GRAT"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","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 earliest 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, (ii) the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","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 earliest 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, (ii) the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","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 earliest 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, (ii) the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Shares are held by The Michael Callahan Grantor Retained Annuity Trust, of which Reporting Person is Trustee."}],"balance_after":0,"derivative":{"underlying":"Class A Common Stock","underlying_shares":87504},"source":{"system":"sec-edgar","filing":"0001209191-21-068195","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1561550/000120919121068195/doc4.xml","form_type":"4"}},{"id":2483752,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":25761,"kind":"person","name":"Callahan Michael James","position":1,"cik":"0001784030","reported_name":"Callahan Michael James","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class B Common Stock","published_at":"2021-12-07T00:34:04.000Z","date":"2021-12-03","kind":"gift","acquired":false,"shares":87504,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By GRAT"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","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 earliest 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, (ii) the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","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 earliest 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, (ii) the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","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 earliest 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, (ii) the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Shares are held directly by The Melanie Thernstrom Grantor Retained Annuity Trust, of which Reporting Person's spouse is Trustee."}],"balance_after":0,"derivative":{"underlying":"Class A Common Stock","underlying_shares":87504},"source":{"system":"sec-edgar","filing":"0001209191-21-068195","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1561550/000120919121068195/doc4.xml","form_type":"4"}},{"id":2483751,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":25761,"kind":"person","name":"Callahan Michael James","position":1,"cik":"0001784030","reported_name":"Callahan Michael James","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class B Common Stock","published_at":"2021-12-07T00:34:04.000Z","date":"2021-12-02","kind":"exercise","acquired":false,"shares":1750,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","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 earliest 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, (ii) the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"kind","element":"transactionCoding","label":"F1","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 earliest 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, (ii) the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","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 earliest 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, (ii) the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","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 earliest 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, (ii) the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."}],"balance_after":0,"derivative":{"underlying":"Class A Common Stock","underlying_shares":1750},"source":{"system":"sec-edgar","filing":"0001209191-21-068195","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1561550/000120919121068195/doc4.xml","form_type":"4"}},{"id":2483750,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":25761,"kind":"person","name":"Callahan Michael James","position":1,"cik":"0001784030","reported_name":"Callahan Michael James","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class B Common Stock","published_at":"2021-12-07T00:34:04.000Z","date":"2021-12-02","kind":"exercise","acquired":true,"shares":1750,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","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 earliest 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, (ii) the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","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 earliest 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, (ii) the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","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 earliest 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, (ii) the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."}],"balance_after":1750,"derivative":{"underlying":"Class A Common Stock","underlying_shares":1750},"source":{"system":"sec-edgar","filing":"0001209191-21-068195","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1561550/000120919121068195/doc4.xml","form_type":"4"}},{"id":2483749,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":25761,"kind":"person","name":"Callahan Michael James","position":1,"cik":"0001784030","reported_name":"Callahan Michael James","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (Right to Buy)","published_at":"2021-12-07T00:34:04.000Z","date":"2021-12-02","kind":"exercise","acquired":false,"shares":1750,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Fully vested an exercisable."}],"balance_after":6182,"derivative":{"exercise_price":0.9092,"expiration_date":"2029-06-28","underlying":"Class B Common Stock","underlying_shares":1750},"source":{"system":"sec-edgar","filing":"0001209191-21-068195","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1561550/000120919121068195/doc4.xml","form_type":"4"}},{"id":2483748,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":25761,"kind":"person","name":"Callahan Michael James","position":1,"cik":"0001784030","reported_name":"Callahan Michael James","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2021-12-07T00:34:04.000Z","date":"2021-12-06","kind":"gift","acquired":false,"shares":250,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The Shares are held by The Callahan-Thernstrom Family Trust, of which Reporting Person is Trustee."}],"balance_after":12226,"source":{"system":"sec-edgar","filing":"0001209191-21-068195","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1561550/000120919121068195/doc4.xml","form_type":"4"}},{"id":2483747,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":25761,"kind":"person","name":"Callahan Michael James","position":1,"cik":"0001784030","reported_name":"Callahan Michael James","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2021-12-07T00:34:04.000Z","date":"2021-12-06","kind":"exercise","acquired":true,"shares":12496,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","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 earliest 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, (ii) the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The Shares are held by The Callahan-Thernstrom Family Trust, of which Reporting Person is Trustee."}],"balance_after":12496,"source":{"system":"sec-edgar","filing":"0001209191-21-068195","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1561550/000120919121068195/doc4.xml","form_type":"4"}},{"id":2483746,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":25761,"kind":"person","name":"Callahan Michael James","position":1,"cik":"0001784030","reported_name":"Callahan Michael James","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2021-12-07T00:34:04.000Z","date":"2021-12-02","kind":"exercise","acquired":true,"shares":1750,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","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 earliest 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, (ii) the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."}],"balance_after":9825,"source":{"system":"sec-edgar","filing":"0001209191-21-068195","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1561550/000120919121068195/doc4.xml","form_type":"4"}},{"id":2519602,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":25761,"kind":"person","name":"Callahan Michael James","position":1,"cik":"0001784030","reported_name":"Callahan Michael James","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class B Common Stock","published_at":"2021-11-09T23:37:58.000Z","date":"2021-11-05","kind":"exercise","acquired":false,"shares":10000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","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 earliest 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, (ii) the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","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 earliest 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, (ii) the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","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 earliest 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, (ii) the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The Shares are held by The Callahan-Thernstrom Family Trust, of which Reporting Person is Trustee."}],"balance_after":336606,"derivative":{"underlying":"Class A Common Stock","underlying_shares":10000},"source":{"system":"sec-edgar","filing":"0001209191-21-063709","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1561550/000120919121063709/doc4.xml","form_type":"4"}},{"id":2519601,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":25761,"kind":"person","name":"Callahan Michael James","position":1,"cik":"0001784030","reported_name":"Callahan Michael James","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2021-11-09T23:37:58.000Z","date":"2021-11-05","kind":"sale","acquired":false,"shares":1300,"price":192.455,"value":250191.5,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"Shares sold pursuant to a 10b5-1 plan entered into on December 11, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F8","text":"Price reported is a weighted-average sales price. The shares were sold at prices ranging from $192.28 to $192.73. The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The Shares are held by The Callahan-Thernstrom Family Trust, of which Reporting Person is Trustee."}],"balance_after":3908,"source":{"system":"sec-edgar","filing":"0001209191-21-063709","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1561550/000120919121063709/doc4.xml","form_type":"4"}},{"id":2519600,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":25761,"kind":"person","name":"Callahan Michael James","position":1,"cik":"0001784030","reported_name":"Callahan Michael James","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2021-11-09T23:37:58.000Z","date":"2021-11-05","kind":"sale","acquired":false,"shares":1000,"price":188.904,"value":188904.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"Shares sold pursuant to a 10b5-1 plan entered into on December 11, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F7","text":"Price reported is a weighted-average sales price. The shares were sold at prices ranging from $188.88 to $188.915. The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The Shares are held by The Callahan-Thernstrom Family Trust, of which Reporting Person is Trustee."}],"balance_after":5208,"source":{"system":"sec-edgar","filing":"0001209191-21-063709","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1561550/000120919121063709/doc4.xml","form_type":"4"}},{"id":2519599,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":25761,"kind":"person","name":"Callahan Michael James","position":1,"cik":"0001784030","reported_name":"Callahan Michael James","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2021-11-09T23:37:58.000Z","date":"2021-11-05","kind":"sale","acquired":false,"shares":4900,"price":188.3477,"value":922903.73,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"Shares sold pursuant to a 10b5-1 plan entered into on December 11, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"Price reported is a weighted-average sales price. The shares were sold at prices ranging from $187.835 to $188.66. The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The Shares are held by The Callahan-Thernstrom Family Trust, of which Reporting Person is Trustee."}],"balance_after":6208,"source":{"system":"sec-edgar","filing":"0001209191-21-063709","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1561550/000120919121063709/doc4.xml","form_type":"4"}},{"id":2519598,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":25761,"kind":"person","name":"Callahan Michael James","position":1,"cik":"0001784030","reported_name":"Callahan Michael James","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2021-11-09T23:37:58.000Z","date":"2021-11-05","kind":"sale","acquired":false,"shares":1700,"price":186.3103,"value":316727.51,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"Shares sold pursuant to a 10b5-1 plan entered into on December 11, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"Price reported is a weighted-average sales price. The shares were sold at prices ranging from $186.21 to $187.20. The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The Shares are held by The Callahan-Thernstrom Family Trust, of which Reporting Person is Trustee."}],"balance_after":11108,"source":{"system":"sec-edgar","filing":"0001209191-21-063709","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1561550/000120919121063709/doc4.xml","form_type":"4"}},{"id":2519597,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":25761,"kind":"person","name":"Callahan Michael James","position":1,"cik":"0001784030","reported_name":"Callahan Michael James","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2021-11-09T23:37:58.000Z","date":"2021-11-05","kind":"sale","acquired":false,"shares":1100,"price":185.3266,"value":203859.26,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"Shares sold pursuant to a 10b5-1 plan entered into on December 11, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"Price reported is a weighted-average sales price. The shares were sold at prices ranging from $185.03 to $185.495. The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The Shares are held by The Callahan-Thernstrom Family Trust, of which Reporting Person is Trustee."}],"balance_after":12808,"source":{"system":"sec-edgar","filing":"0001209191-21-063709","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1561550/000120919121063709/doc4.xml","form_type":"4"}},{"id":2519596,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":25761,"kind":"person","name":"Callahan Michael James","position":1,"cik":"0001784030","reported_name":"Callahan Michael James","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2021-11-09T23:37:58.000Z","date":"2021-11-05","kind":"exercise","acquired":true,"shares":10000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","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 earliest 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, (ii) the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The Shares are held by The Callahan-Thernstrom Family Trust, of which Reporting Person is Trustee."}],"balance_after":13908,"source":{"system":"sec-edgar","filing":"0001209191-21-063709","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1561550/000120919121063709/doc4.xml","form_type":"4"}},{"id":2563058,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":25761,"kind":"person","name":"Callahan Michael James","position":1,"cik":"0001784030","reported_name":"Callahan Michael James","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2021-09-21T23:32:45.000Z","date":"2021-09-17","kind":"disposition_to_issuer","acquired":false,"shares":10000,"price":145.2009,"value":1452009.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Price reported is a weighted-average sales price. The shares were sold at prices ranging from $144.91 to $145.83. The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The Shares are held by The Callahan-Thernstrom Family Trust, of which Reporting Person is Trustee."}],"balance_after":3908,"source":{"system":"sec-edgar","filing":"0001209191-21-057119","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1561550/000120919121057119/doc4.xml","form_type":"4"}},{"id":2670149,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":25761,"kind":"person","name":"Callahan Michael James","position":1,"cik":"0001784030","reported_name":"Callahan Michael James","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2021-06-14T20:35:49.000Z","date":"2021-05-27","kind":"gift","acquired":false,"shares":250,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The Shares are held by The Callahan-Thernstrom Family Trust, of which Reporting Person is Trustee."}],"balance_after":13908,"source":{"system":"sec-edgar","filing":"0001209191-21-040239","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1561550/000120919121040239/doc4.xml","form_type":"4"}},{"id":2670148,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":25761,"kind":"person","name":"Callahan Michael James","position":1,"cik":"0001784030","reported_name":"Callahan Michael James","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2021-06-14T20:35:49.000Z","date":"2021-06-10","kind":"grant","acquired":true,"shares":2116,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares underlying Restricted Stock Units (\"RSUs\") granted pursuant to the Issuer's non-employee director compensation policy. Each RSU represents a contingent right to receive one share of Issuer's Class A common stock. The RSUs vest on the earlier of (A) the Company's next annual meeting of stockholders and (B) June 10, 2022, in each case, subject to the Reporting Person's continuous service to the Issuer through the vesting date."}],"balance_after":4417,"source":{"system":"sec-edgar","filing":"0001209191-21-040239","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1561550/000120919121040239/doc4.xml","form_type":"4"}},{"id":2752115,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":25761,"kind":"person","name":"Callahan Michael James","position":1,"cik":"0001784030","reported_name":"Callahan Michael James","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2021-04-09T20:54:58.000Z","date":"2020-08-13","kind":"sale","acquired":false,"shares":1532,"price":84.1169,"value":128867.0908,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Shares sold pursuant to a 10b5-1 plan entered into on June 14, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F9","text":"Price reported is a weighted-average sales price. The shares were sold at prices ranging from $83.93 to $84.58. The reporting person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"The Shares are held by The Callahan-Thernstrom Family Trust (the \"Family Trust\"), of which Reporting Person is Trustee.  The Shares were donated by the Reporting Person to the Family Trust in an exempt transfer on July 29, 2020."}],"balance_after":98658,"source":{"system":"sec-edgar","filing":"0001209191-21-026259","document":"doc4a.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1561550/000120919121026259/doc4a.xml","form_type":"4/A","original_submission_date":"2020-08-17"}},{"id":2752114,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":25761,"kind":"person","name":"Callahan Michael James","position":1,"cik":"0001784030","reported_name":"Callahan Michael James","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2021-04-09T20:54:58.000Z","date":"2020-08-13","kind":"sale","acquired":false,"shares":900,"price":83.2167,"value":74895.03,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Shares sold pursuant to a 10b5-1 plan entered into on June 14, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F8","text":"Price reported is a weighted-average sales price. The shares were sold at prices ranging from $82.93 to $83.85. The reporting person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"The Shares are held by The Callahan-Thernstrom Family Trust (the \"Family Trust\"), of which Reporting Person is Trustee.  The Shares were donated by the Reporting Person to the Family Trust in an exempt transfer on July 29, 2020."}],"balance_after":100190,"source":{"system":"sec-edgar","filing":"0001209191-21-026259","document":"doc4a.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1561550/000120919121026259/doc4a.xml","form_type":"4/A","original_submission_date":"2020-08-17"}},{"id":2752113,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":25761,"kind":"person","name":"Callahan Michael James","position":1,"cik":"0001784030","reported_name":"Callahan Michael James","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2021-04-09T20:54:58.000Z","date":"2020-08-13","kind":"sale","acquired":false,"shares":4693,"price":82.3899,"value":386655.8007,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Shares sold pursuant to a 10b5-1 plan entered into on June 14, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F7","text":"Price reported is a weighted-average sales price. The shares were sold at prices ranging from $81.88 to $82.86. The reporting person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"The Shares are held by The Callahan-Thernstrom Family Trust (the \"Family Trust\"), of which Reporting Person is Trustee.  The Shares were donated by the Reporting Person to the Family Trust in an exempt transfer on July 29, 2020."}],"balance_after":101090,"source":{"system":"sec-edgar","filing":"0001209191-21-026259","document":"doc4a.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1561550/000120919121026259/doc4a.xml","form_type":"4/A","original_submission_date":"2020-08-17"}},{"id":2752112,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":25761,"kind":"person","name":"Callahan Michael James","position":1,"cik":"0001784030","reported_name":"Callahan Michael James","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2021-04-09T20:54:58.000Z","date":"2020-08-13","kind":"sale","acquired":false,"shares":769,"price":81.3483,"value":62556.8427,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Shares sold pursuant to a 10b5-1 plan entered into on June 14, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"Price reported is a weighted-average sales price. The shares were sold at prices ranging from $80.87 to $81.86. The reporting person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"The Shares are held by The Callahan-Thernstrom Family Trust (the \"Family Trust\"), of which Reporting Person is Trustee.  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The shares were sold at prices ranging from $79.79 to $80.74. The reporting person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"The Shares are held by The Callahan-Thernstrom Family Trust (the \"Family Trust\"), of which Reporting Person is Trustee.  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The shares were sold at prices ranging from $78.68 to $78.94. The reporting person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"The Shares are held by The Callahan-Thernstrom Family Trust (the \"Family Trust\"), of which Reporting Person is Trustee.  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The shares were sold at prices ranging from $77.22 to $77.80. The reporting person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"The Shares are held by The Callahan-Thernstrom Family Trust (the \"Family Trust\"), of which Reporting Person is Trustee.  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The shares were sold at prices ranging from $98.17 to $98.60. The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"The Shares are held by The Callahan-Thernstrom Family Trust, of which Reporting Person is Trustee."}],"balance_after":16459,"source":{"system":"sec-edgar","filing":"0001209191-20-061979","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1561550/000120919120061979/doc4.xml","form_type":"4"}},{"id":2955173,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":25761,"kind":"person","name":"Callahan Michael James","position":1,"cik":"0001784030","reported_name":"Callahan Michael James","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2020-12-07T22:17:54.000Z","date":"2020-12-03","kind":"sale","acquired":false,"shares":6791,"price":97.7077,"value":663532.9907,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Shares sold pursuant to a 10b5-1 plan entered into on June 14, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"Price reported is a weighted-average sales price. The shares were sold at prices ranging from $97.16 to $98.14. The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"The Shares are held by The Callahan-Thernstrom Family Trust, of which Reporting Person is Trustee."}],"balance_after":17968,"source":{"system":"sec-edgar","filing":"0001209191-20-061979","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1561550/000120919120061979/doc4.xml","form_type":"4"}},{"id":2955172,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":25761,"kind":"person","name":"Callahan Michael James","position":1,"cik":"0001784030","reported_name":"Callahan Michael James","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2020-12-07T22:17:54.000Z","date":"2020-12-03","kind":"sale","acquired":false,"shares":1300,"price":96.93,"value":126009.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Shares sold pursuant to a 10b5-1 plan entered into on June 14, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"Price reported is a weighted-average sales price. The shares were sold at prices ranging from $96.14 to $97.12. The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"The Shares are held by The Callahan-Thernstrom Family Trust, of which Reporting Person is Trustee."}],"balance_after":24759,"source":{"system":"sec-edgar","filing":"0001209191-20-061979","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1561550/000120919120061979/doc4.xml","form_type":"4"}},{"id":2955171,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":25761,"kind":"person","name":"Callahan Michael James","position":1,"cik":"0001784030","reported_name":"Callahan Michael James","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2020-12-07T22:17:54.000Z","date":"2020-12-03","kind":"sale","acquired":false,"shares":400,"price":94.965,"value":37986.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Shares sold pursuant to a 10b5-1 plan entered into on June 14, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Price reported is a weighted-average sales price. The shares were sold at prices ranging from $94.47 to $95.21. The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"The Shares are held by The Callahan-Thernstrom Family Trust, of which Reporting Person is Trustee."}],"balance_after":26059,"source":{"system":"sec-edgar","filing":"0001209191-20-061979","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1561550/000120919120061979/doc4.xml","form_type":"4"}},{"id":2971278,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":25761,"kind":"person","name":"Callahan Michael James","position":1,"cik":"0001784030","reported_name":"Callahan Michael James","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2020-11-20T22:41:16.000Z","date":"2020-11-19","kind":"sale","acquired":false,"shares":300,"price":91.7,"value":27510.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Shares sold pursuant to a 10b5-1 plan entered into on June 14, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F7","text":"Price reported is a weighted-average sales price. 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The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"The Shares are held by The Callahan-Thernstrom Family Trust, of which Reporting Person is Trustee."}],"balance_after":26459,"source":{"system":"sec-edgar","filing":"0001209191-20-059731","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1561550/000120919120059731/doc4.xml","form_type":"4"}},{"id":2971277,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":25761,"kind":"person","name":"Callahan Michael James","position":1,"cik":"0001784030","reported_name":"Callahan Michael James","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2020-11-20T22:41:16.000Z","date":"2020-11-19","kind":"sale","acquired":false,"shares":1100,"price":90.8918,"value":99980.98,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Shares sold pursuant to a 10b5-1 plan entered into on June 14, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"Price reported is a weighted-average sales price. 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The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"The Shares are held by The Callahan-Thernstrom Family Trust, of which Reporting Person is Trustee."}],"balance_after":26759,"source":{"system":"sec-edgar","filing":"0001209191-20-059731","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1561550/000120919120059731/doc4.xml","form_type":"4"}},{"id":2971276,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":25761,"kind":"person","name":"Callahan Michael James","position":1,"cik":"0001784030","reported_name":"Callahan Michael James","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2020-11-20T22:41:16.000Z","date":"2020-11-19","kind":"sale","acquired":false,"shares":3179,"price":89.8291,"value":285566.7089,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Shares sold pursuant to a 10b5-1 plan entered into on June 14, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"Price reported is a weighted-average sales price. 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The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"The Shares are held by The Callahan-Thernstrom Family Trust, of which Reporting Person is Trustee."}],"balance_after":27859,"source":{"system":"sec-edgar","filing":"0001209191-20-059731","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1561550/000120919120059731/doc4.xml","form_type":"4"}},{"id":2971275,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":25761,"kind":"person","name":"Callahan Michael James","position":1,"cik":"0001784030","reported_name":"Callahan Michael James","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2020-11-20T22:41:16.000Z","date":"2020-11-19","kind":"sale","acquired":false,"shares":4521,"price":88.784,"value":401392.464,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Shares sold pursuant to a 10b5-1 plan entered into on June 14, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"Price reported is a weighted-average sales price. 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The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"The Shares are held by The Callahan-Thernstrom Family Trust, of which Reporting Person is Trustee."}],"balance_after":31038,"source":{"system":"sec-edgar","filing":"0001209191-20-059731","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1561550/000120919120059731/doc4.xml","form_type":"4"}},{"id":2971274,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":25761,"kind":"person","name":"Callahan Michael James","position":1,"cik":"0001784030","reported_name":"Callahan Michael James","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2020-11-20T22:41:16.000Z","date":"2020-11-19","kind":"sale","acquired":false,"shares":900,"price":87.9222,"value":79129.98,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Shares sold pursuant to a 10b5-1 plan entered into on June 14, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Price reported is a weighted-average sales price. 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The shares were sold at prices ranging from $100.95 to $101.94. The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"The Shares are held by The Callahan-Thernstrom Family Trust, of which Reporting Person is Trustee."}],"balance_after":37356,"source":{"system":"sec-edgar","filing":"0001209191-20-057505","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1561550/000120919120057505/doc4.xml","form_type":"4"}},{"id":2988259,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":25761,"kind":"person","name":"Callahan Michael James","position":1,"cik":"0001784030","reported_name":"Callahan Michael James","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2020-11-10T00:05:29.000Z","date":"2020-11-05","kind":"sale","acquired":false,"shares":2922,"price":100.3412,"value":293196.9864,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Shares sold pursuant to a 10b5-1 plan entered into on June 14, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Price reported is a weighted-average sales price. The shares were sold at prices ranging from $99.94 to $100.87. The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"The Shares are held by The Callahan-Thernstrom Family Trust, of which Reporting Person is Trustee."}],"balance_after":43537,"source":{"system":"sec-edgar","filing":"0001209191-20-057505","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1561550/000120919120057505/doc4.xml","form_type":"4"}},{"id":3000758,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":25761,"kind":"person","name":"Callahan Michael James","position":1,"cik":"0001784030","reported_name":"Callahan Michael James","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class B Common Stock","published_at":"2020-10-23T21:08:11.000Z","date":"2020-10-21","kind":"exercise","acquired":false,"shares":11000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","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 earliest 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, (ii) the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","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 earliest 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, (ii) the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","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 earliest 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, (ii) the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The Shares are held by The Callahan-Thernstrom Family Trust, of which Reporting Person is Trustee."}],"balance_after":346606,"derivative":{"underlying":"Class A Common Stock","underlying_shares":11000},"source":{"system":"sec-edgar","filing":"0001209191-20-055712","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1561550/000120919120055712/doc4.xml","form_type":"4"}},{"id":3000757,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":25761,"kind":"person","name":"Callahan Michael James","position":1,"cik":"0001784030","reported_name":"Callahan Michael James","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2020-10-23T21:08:11.000Z","date":"2020-10-21","kind":"sale","acquired":false,"shares":400,"price":103.2525,"value":41301.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"Shares sold pursuant to a 10b5-1 plan entered into on June 14, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F8","text":"Price reported is a weighted-average sales price. The shares were sold at prices ranging from $103.04 to $103.44. The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The Shares are held by The Callahan-Thernstrom Family Trust, of which Reporting Person is Trustee."}],"balance_after":46459,"source":{"system":"sec-edgar","filing":"0001209191-20-055712","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1561550/000120919120055712/doc4.xml","form_type":"4"}},{"id":3000756,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":25761,"kind":"person","name":"Callahan Michael James","position":1,"cik":"0001784030","reported_name":"Callahan Michael James","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2020-10-23T21:08:11.000Z","date":"2020-10-21","kind":"sale","acquired":false,"shares":1195,"price":102.5008,"value":122488.456,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"Shares sold pursuant to a 10b5-1 plan entered into on June 14, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F7","text":"Price reported is a weighted-average sales price. The shares were sold at prices ranging from $102.02 to $102.91. The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The Shares are held by The Callahan-Thernstrom Family Trust, of which Reporting Person is Trustee."}],"balance_after":46859,"source":{"system":"sec-edgar","filing":"0001209191-20-055712","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1561550/000120919120055712/doc4.xml","form_type":"4"}},{"id":3000755,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":25761,"kind":"person","name":"Callahan Michael James","position":1,"cik":"0001784030","reported_name":"Callahan Michael James","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2020-10-23T21:08:11.000Z","date":"2020-10-21","kind":"sale","acquired":false,"shares":1749,"price":101.4009,"value":177350.1741,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"Shares sold pursuant to a 10b5-1 plan entered into on June 14, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"Price reported is a weighted-average sales price. The shares were sold at prices ranging from $101.00 to $101.785. The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The Shares are held by The Callahan-Thernstrom Family Trust, of which Reporting Person is Trustee."}],"balance_after":48054,"source":{"system":"sec-edgar","filing":"0001209191-20-055712","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1561550/000120919120055712/doc4.xml","form_type":"4"}},{"id":3000754,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":25761,"kind":"person","name":"Callahan Michael James","position":1,"cik":"0001784030","reported_name":"Callahan Michael James","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2020-10-23T21:08:11.000Z","date":"2020-10-21","kind":"sale","acquired":false,"shares":3695,"price":100.2713,"value":370502.4535,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"Shares sold pursuant to a 10b5-1 plan entered into on June 14, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"Price reported is a weighted-average sales price. The shares were sold at prices ranging from $99.88 to $100.81. The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The Shares are held by The Callahan-Thernstrom Family Trust, of which Reporting Person is Trustee."}],"balance_after":49803,"source":{"system":"sec-edgar","filing":"0001209191-20-055712","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1561550/000120919120055712/doc4.xml","form_type":"4"}},{"id":3000753,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":25761,"kind":"person","name":"Callahan Michael James","position":1,"cik":"0001784030","reported_name":"Callahan Michael James","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2020-10-23T21:08:11.000Z","date":"2020-10-21","kind":"sale","acquired":false,"shares":2961,"price":99.392,"value":294299.712,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"Shares sold pursuant to a 10b5-1 plan entered into on June 14, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"Price reported is a weighted-average sales price. The shares were sold at prices ranging from $98.86 to $99.83. The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The Shares are held by The Callahan-Thernstrom Family Trust, of which Reporting Person is Trustee."}],"balance_after":53498,"source":{"system":"sec-edgar","filing":"0001209191-20-055712","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1561550/000120919120055712/doc4.xml","form_type":"4"}},{"id":3000752,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":25761,"kind":"person","name":"Callahan Michael James","position":1,"cik":"0001784030","reported_name":"Callahan Michael James","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2020-10-23T21:08:11.000Z","date":"2020-10-21","kind":"exercise","acquired":true,"shares":11000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","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 earliest 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, (ii) the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"price","element":"transactionPricePerShare","label":"F1","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 earliest 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, (ii) the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The Shares are held by The Callahan-Thernstrom Family Trust, of which Reporting Person is Trustee."}],"balance_after":56459,"source":{"system":"sec-edgar","filing":"0001209191-20-055712","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1561550/000120919120055712/doc4.xml","form_type":"4"}},{"id":3008245,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":25761,"kind":"person","name":"Callahan Michael James","position":1,"cik":"0001784030","reported_name":"Callahan Michael James","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2020-10-13T21:06:27.000Z","date":"2020-10-08","kind":"sale","acquired":false,"shares":2037,"price":104.4637,"value":212792.5569,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Shares sold pursuant to a 10b5-1 plan entered into on June 14, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"Price reported is a weighted-average sales price. The shares were sold at prices ranging from $104.03 to $104.99. The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."}],"balance_after":45459,"source":{"system":"sec-edgar","filing":"0001209191-20-054676","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1561550/000120919120054676/doc4.xml","form_type":"4"}},{"id":3008244,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":25761,"kind":"person","name":"Callahan Michael James","position":1,"cik":"0001784030","reported_name":"Callahan Michael James","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2020-10-13T21:06:27.000Z","date":"2020-10-08","kind":"sale","acquired":false,"shares":5155,"price":103.5386,"value":533741.483,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Shares sold pursuant to a 10b5-1 plan entered into on June 14, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"Price reported is a weighted-average sales price. The shares were sold at prices ranging from $103.02 to $104.00. The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."}],"balance_after":47496,"source":{"system":"sec-edgar","filing":"0001209191-20-054676","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1561550/000120919120054676/doc4.xml","form_type":"4"}},{"id":3008243,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":25761,"kind":"person","name":"Callahan Michael James","position":1,"cik":"0001784030","reported_name":"Callahan Michael James","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2020-10-13T21:06:27.000Z","date":"2020-10-08","kind":"sale","acquired":false,"shares":2808,"price":102.5953,"value":288087.6024,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Shares sold pursuant to a 10b5-1 plan entered into on June 14, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Price reported is a weighted-average sales price. The shares were sold at prices ranging from $101.96 to $102.95. The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"The Shares are held by The Callahan-Thernstrom Family Trust, of which Reporting Person is Trustee."}],"balance_after":52651,"source":{"system":"sec-edgar","filing":"0001209191-20-054676","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1561550/000120919120054676/doc4.xml","form_type":"4"}},{"id":3016280,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":25761,"kind":"person","name":"Callahan Michael James","position":1,"cik":"0001784030","reported_name":"Callahan Michael James","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2020-10-02T21:54:04.000Z","date":"2020-09-30","kind":"sale","acquired":false,"shares":15000,"price":99.7384,"value":1496076.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Shares sold pursuant to a 10b5-1 plan entered into on June 14, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Price reported is a weighted-average sales price. The shares were sold at prices ranging from $99.68 to $100.14. The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"The Shares are held by The Callahan-Thernstrom Family Trust, of which Reporting Person is Trustee."}],"balance_after":55459,"source":{"system":"sec-edgar","filing":"0001209191-20-053311","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1561550/000120919120053311/doc4.xml","form_type":"4"}},{"id":3021690,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":25761,"kind":"person","name":"Callahan Michael James","position":1,"cik":"0001784030","reported_name":"Callahan Michael James","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2020-09-28T20:45:25.000Z","date":"2020-09-24","kind":"sale","acquired":false,"shares":200,"price":90.615,"value":18123.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Shares sold pursuant to a 10b5-1 plan entered into on June 14, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"Price reported is a weighted-average sales price. The shares were sold at prices ranging from $90.56 to $90.67. The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"The Shares are held by The Callahan-Thernstrom Family Trust, of which Reporting Person is Trustee."}],"balance_after":70459,"source":{"system":"sec-edgar","filing":"0001209191-20-052218","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1561550/000120919120052218/doc4.xml","form_type":"4"}},{"id":3021689,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":25761,"kind":"person","name":"Callahan Michael James","position":1,"cik":"0001784030","reported_name":"Callahan Michael James","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2020-09-28T20:45:25.000Z","date":"2020-09-24","kind":"sale","acquired":false,"shares":2986,"price":89.8564,"value":268311.2104,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Shares sold pursuant to a 10b5-1 plan entered into on June 14, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"Price reported is a weighted-average sales price. The shares were sold at prices ranging from $89.51 to $90.37. The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"The Shares are held by The Callahan-Thernstrom Family Trust, of which Reporting Person is Trustee."}],"balance_after":70659,"source":{"system":"sec-edgar","filing":"0001209191-20-052218","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1561550/000120919120052218/doc4.xml","form_type":"4"}},{"id":3021688,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":25761,"kind":"person","name":"Callahan Michael James","position":1,"cik":"0001784030","reported_name":"Callahan Michael James","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2020-09-28T20:45:25.000Z","date":"2020-09-24","kind":"sale","acquired":false,"shares":3748,"price":88.9603,"value":333423.2044,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Shares sold pursuant to a 10b5-1 plan entered into on June 14, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"Price reported is a weighted-average sales price. The shares were sold at prices ranging from $88.47 to $89.45. The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"The Shares are held by The Callahan-Thernstrom Family Trust, of which Reporting Person is Trustee."}],"balance_after":73645,"source":{"system":"sec-edgar","filing":"0001209191-20-052218","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1561550/000120919120052218/doc4.xml","form_type":"4"}},{"id":3021687,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":25761,"kind":"person","name":"Callahan Michael James","position":1,"cik":"0001784030","reported_name":"Callahan Michael James","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2020-09-28T20:45:25.000Z","date":"2020-09-24","kind":"sale","acquired":false,"shares":3066,"price":88.064,"value":270004.224,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Shares sold pursuant to a 10b5-1 plan entered into on June 14, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Price reported is a weighted-average sales price. The shares were sold at prices ranging from $87.45 to $88.42. The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"The Shares are held by The Callahan-Thernstrom Family Trust, of which Reporting Person is Trustee."}],"balance_after":77393,"source":{"system":"sec-edgar","filing":"0001209191-20-052218","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1561550/000120919120052218/doc4.xml","form_type":"4"}},{"id":3032322,"issuer":{"id":2027,"kind":"organization","name":"Datadog, Inc.","symbol":"DDOG"},"owners":[{"id":25761,"kind":"person","name":"Callahan Michael James","position":1,"cik":"0001784030","reported_name":"Callahan Michael James","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2020-09-14T20:42:32.000Z","date":"2020-09-10","kind":"sale","acquired":false,"shares":1738,"price":84.1098,"value":146182.8324,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Shares sold pursuant to a 10b5-1 plan entered into on June 14, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"Price reported is a weighted-average sales price. The shares were sold at prices ranging from $83.74 to $84.46. The reporting person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"The Shares are held by The Callahan-Thernstrom Family Trust, of which Reporting Person is Trustee."}],"balance_after":80459,"source":{"system":"sec-edgar","filing":"0001209191-20-050294","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1561550/000120919120050294/doc4.xml","form_type":"4"}}],"next_cursor":"2020-09-14T20:42:32.000000Z,3032322"}