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The RSUs vest on the earlier of the date of the next annual meeting of the Issuer's stockholders (or the date immediately prior to the next annual meeting of the Issuer's stockholders if the reporting person's service as a director ends at such meeting due to the failure to be re-elected or not standing for re-election) and the one year anniversary measured from the date of grant, each subject to continued service as a director of the Issuer through each applicable vesting date."}],"balance_after":164365,"source":{"system":"sec-edgar","filing":"0001517413-21-000110","document":"wf-form4_162448785178292.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1354177/000151741321000110/wf-form4_162448785178292.xml","form_type":"4"}},{"id":2881027,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":137954,"kind":"person","name":"DHALIWAL SUNIL","position":1,"cik":"0001354177","reported_name":"DHALIWAL SUNIL","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2021-02-03T16:37:57.000Z","date":"2020-11-30","kind":"gift","acquired":false,"shares":122337,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":161235,"source":{"system":"sec-edgar","filing":"0001209191-21-007268","document":"doc5.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1354177/000120919121007268/doc5.xml","form_type":"5"}},{"id":2881026,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":137954,"kind":"person","name":"DHALIWAL SUNIL","position":1,"cik":"0001354177","reported_name":"DHALIWAL SUNIL","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2021-02-03T16:37:57.000Z","date":"2020-11-12","kind":"gift","acquired":false,"shares":12000,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":283572,"source":{"system":"sec-edgar","filing":"0001209191-21-007268","document":"doc5.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1354177/000120919121007268/doc5.xml","form_type":"5"}},{"id":2881025,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":137954,"kind":"person","name":"DHALIWAL SUNIL","position":1,"cik":"0001354177","reported_name":"DHALIWAL SUNIL","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2021-02-03T16:37:57.000Z","date":"2020-09-03","kind":"gift","acquired":false,"shares":21000,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":295572,"source":{"system":"sec-edgar","filing":"0001209191-21-007268","document":"doc5.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1354177/000120919121007268/doc5.xml","form_type":"5"}},{"id":3037364,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":137954,"kind":"person","name":"DHALIWAL SUNIL","position":1,"cik":"0001354177","reported_name":"DHALIWAL SUNIL","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2020-09-04T16:56:26.000Z","date":"2020-09-04","kind":"sale","acquired":false,"shares":30000,"price":80.14,"value":2404200.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $80.00 to $80.39. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the ranges."}],"balance_after":316572,"source":{"system":"sec-edgar","filing":"0001209191-20-049638","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1354177/000120919120049638/doc4.xml","form_type":"4"}},{"id":3037363,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":137954,"kind":"person","name":"DHALIWAL SUNIL","position":1,"cik":"0001354177","reported_name":"DHALIWAL SUNIL","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2020-09-04T16:56:26.000Z","date":"2020-09-03","kind":"sale","acquired":false,"shares":33054,"price":83.06,"value":2745465.24,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $83.00 to $83.36. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the ranges."}],"balance_after":346572,"source":{"system":"sec-edgar","filing":"0001209191-20-049638","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1354177/000120919120049638/doc4.xml","form_type":"4"}},{"id":3037362,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":137954,"kind":"person","name":"DHALIWAL SUNIL","position":1,"cik":"0001354177","reported_name":"DHALIWAL SUNIL","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2020-09-04T16:56:26.000Z","date":"2020-09-03","kind":"sale","acquired":false,"shares":6946,"price":85.04,"value":590687.84,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $85.00 to $85.12. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the ranges."}],"balance_after":379626,"source":{"system":"sec-edgar","filing":"0001209191-20-049638","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1354177/000120919120049638/doc4.xml","form_type":"4"}},{"id":3037361,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":137954,"kind":"person","name":"DHALIWAL SUNIL","position":1,"cik":"0001354177","reported_name":"DHALIWAL SUNIL","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2020-09-04T16:56:26.000Z","date":"2020-09-02","kind":"sale","acquired":false,"shares":100307,"price":90.8,"value":9107875.6,"ownership":{"direct":true},"balance_after":386572,"source":{"system":"sec-edgar","filing":"0001209191-20-049638","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1354177/000120919120049638/doc4.xml","form_type":"4"}},{"id":3042375,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":137954,"kind":"person","name":"DHALIWAL SUNIL","position":1,"cik":"0001354177","reported_name":"DHALIWAL SUNIL","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class B Common Stock","published_at":"2020-09-01T19:18:57.000Z","date":"2020-08-28","kind":"exercise","acquired":false,"shares":209834,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F13","text":"Each share of Class B Common Stock will convert automatically into Class A Common Stock upon any transfer except certain \"Permitted Transfers\" described in the Issuer's amended and restated certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) the first trading day falling nine months after the date on which the shares of Class B Common Stock represent less than 10% of the aggregate number of outstanding shares of Class A Common Stock and Class B Common Stock, (ii) the date specified by the vote of the holders of Class B Common Stock representing at least a majority of the outstanding shares of Class B Common Stock, or (iii) the first trading day falling ten years after the Effective Time as defined in the Issuer's amended and restated certificate of incorporation."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F13","text":"Each share of Class B Common Stock will convert automatically into Class A Common Stock upon any transfer except certain \"Permitted Transfers\" described in the Issuer's amended and restated certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) the first trading day falling nine months after the date on which the shares of Class B Common Stock represent less than 10% of the aggregate number of outstanding shares of Class A Common Stock and Class B Common Stock, (ii) the date specified by the vote of the holders of Class B Common Stock representing at least a majority of the outstanding shares of Class B Common Stock, or (iii) the first trading day falling ten years after the Effective Time as defined in the Issuer's amended and restated certificate of incorporation."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F13","text":"Each share of Class B Common Stock will convert automatically into Class A Common Stock upon any transfer except certain \"Permitted Transfers\" described in the Issuer's amended and restated certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) the first trading day falling nine months after the date on which the shares of Class B Common Stock represent less than 10% of the aggregate number of outstanding shares of Class A Common Stock and Class B Common Stock, (ii) the date specified by the vote of the holders of Class B Common Stock representing at least a majority of the outstanding shares of Class B Common Stock, or (iii) the first trading day falling ten years after the Effective Time as defined in the Issuer's amended and restated certificate of incorporation."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"These shares are held directly by AP Opportunity Fund LLC. The sole general partner is Amplify GP Partners, LLC. Sunil Dhaliwal, a member of the Issuer's Board of Directors, is a managing member of Amplify GP Partners, LLC, and may be deemed to have voting and investment power with respect to these securities. 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All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) the first trading day falling nine months after the date on which the shares of Class B Common Stock represent less than 10% of the aggregate number of outstanding shares of Class A Common Stock and Class B Common Stock, (ii) the date specified by the vote of the holders of Class B Common Stock representing at least a majority of the outstanding shares of Class B Common Stock, or (iii) the first trading day falling ten years after the Effective Time as defined in the Issuer's amended and restated certificate of incorporation."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"These shares are held directly by Amplify Partners, L.P. The sole general partner is Amplify GP Partners, LLC. Sunil Dhaliwal, a member of the Issuer's Board of Directors, is a managing member of Amplify GP Partners, LLC, and may be deemed to have voting and investment power with respect to these securities. Amplify GP Partners, LLC and Sunil Dhaliwal disclaim beneficial ownership of the securities except to the extent of its or his pecuniary interest therein."}],"balance_after":0,"derivative":{"underlying":"Class A Common Stock","underlying_shares":774602},"source":{"system":"sec-edgar","filing":"0001209191-20-048976","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":16,"url":"https://www.sec.gov/Archives/edgar/data/1354177/000120919120048976/doc4.xml","form_type":"4"}},{"id":3042373,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":137954,"kind":"person","name":"DHALIWAL SUNIL","position":1,"cik":"0001354177","reported_name":"DHALIWAL SUNIL","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2020-09-01T19:18:57.000Z","date":"2020-09-01","kind":"sale","acquired":false,"shares":500,"price":97.1,"value":48550.0,"ownership":{"direct":true},"balance_after":486879,"source":{"system":"sec-edgar","filing":"0001209191-20-048976","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":15,"url":"https://www.sec.gov/Archives/edgar/data/1354177/000120919120048976/doc4.xml","form_type":"4"}},{"id":3042372,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":137954,"kind":"person","name":"DHALIWAL SUNIL","position":1,"cik":"0001354177","reported_name":"DHALIWAL SUNIL","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2020-09-01T19:18:57.000Z","date":"2020-09-01","kind":"sale","acquired":false,"shares":50000,"price":96.56,"value":4828000.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F12","text":"The price reported in Column 4 is a weighted average price. 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The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the ranges."}],"balance_after":487379,"source":{"system":"sec-edgar","filing":"0001209191-20-048976","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":14,"url":"https://www.sec.gov/Archives/edgar/data/1354177/000120919120048976/doc4.xml","form_type":"4"}},{"id":3042371,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":137954,"kind":"person","name":"DHALIWAL SUNIL","position":1,"cik":"0001354177","reported_name":"DHALIWAL SUNIL","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2020-09-01T19:18:57.000Z","date":"2020-08-31","kind":"sale","acquired":false,"shares":49968,"price":92.39,"value":4616543.52,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F11","text":"The price reported in Column 4 is a weighted average price. 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The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the ranges."}],"balance_after":537379,"source":{"system":"sec-edgar","filing":"0001209191-20-048976","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":13,"url":"https://www.sec.gov/Archives/edgar/data/1354177/000120919120048976/doc4.xml","form_type":"4"}},{"id":3042370,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":137954,"kind":"person","name":"DHALIWAL SUNIL","position":1,"cik":"0001354177","reported_name":"DHALIWAL SUNIL","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2020-09-01T19:18:57.000Z","date":"2020-08-31","kind":"sale","acquired":false,"shares":8000,"price":92,"value":736000.0,"ownership":{"direct":true},"balance_after":587347,"source":{"system":"sec-edgar","filing":"0001209191-20-048976","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":12,"url":"https://www.sec.gov/Archives/edgar/data/1354177/000120919120048976/doc4.xml","form_type":"4"}},{"id":3042369,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":137954,"kind":"person","name":"DHALIWAL SUNIL","position":1,"cik":"0001354177","reported_name":"DHALIWAL SUNIL","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2020-09-01T19:18:57.000Z","date":"2020-08-31","kind":"sale","acquired":false,"shares":71225,"price":90.32,"value":6433042.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F10","text":"The price reported in Column 4 is a weighted average price. 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Sunil Dhaliwal, a member of the Issuer's Board of Directors, is a managing member of Amplify GP Partners, LLC, and may be deemed to have voting and investment power with respect to these securities. Amplify GP Partners, LLC and Sunil Dhaliwal disclaim beneficial ownership of the securities except to the extent of its or his pecuniary interest therein."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001209191-20-048976","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1354177/000120919120048976/doc4.xml","form_type":"4"}},{"id":3042365,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":137954,"kind":"person","name":"DHALIWAL SUNIL","position":1,"cik":"0001354177","reported_name":"DHALIWAL SUNIL","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2020-09-01T19:18:57.000Z","date":"2020-08-28","kind":"other","acquired":true,"shares":205973,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F6","text":"The reporting person distributed, for no consideration, the shares of Class A Common Stock to its members."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F7","text":"These shares are held directly by Amplify GP Partners, LLC. Sunil Dhaliwal, a member of the Issuer's Board of Directors, is a managing member of Amplify GP Partners, LLC, and may be deemed to have voting and investment power with respect to these securities. Amplify GP Partners, LLC and Sunil Dhaliwal disclaim beneficial ownership of the securities except to the extent of its or his pecuniary interest therein."}],"balance_after":205973,"source":{"system":"sec-edgar","filing":"0001209191-20-048976","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1354177/000120919120048976/doc4.xml","form_type":"4"}},{"id":3042364,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":137954,"kind":"person","name":"DHALIWAL SUNIL","position":1,"cik":"0001354177","reported_name":"DHALIWAL SUNIL","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2020-09-01T19:18:57.000Z","date":"2020-08-28","kind":"other","acquired":false,"shares":209334,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F5","text":"The reporting person distributed, for no consideration, the shares of Class A Common Stock to its partners, representing each such partner's pro rata interest in such shares."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"These shares are held directly by AP Opportunity Fund LLC. The sole general partner is Amplify GP Partners, LLC. Sunil Dhaliwal, a member of the Issuer's Board of Directors, is a managing member of Amplify GP Partners, LLC, and may be deemed to have voting and investment power with respect to these securities. Amplify GP Partners, LLC and Sunil Dhaliwal disclaim beneficial ownership of the securities except to the extent of its or his pecuniary interest therein."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001209191-20-048976","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1354177/000120919120048976/doc4.xml","form_type":"4"}},{"id":3042363,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":137954,"kind":"person","name":"DHALIWAL SUNIL","position":1,"cik":"0001354177","reported_name":"DHALIWAL SUNIL","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2020-09-01T19:18:57.000Z","date":"2020-08-28","kind":"other","acquired":false,"shares":724602,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F5","text":"The reporting person distributed, for no consideration, the shares of Class A Common Stock to its partners, representing each such partner's pro rata interest in such shares."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"These shares are held directly by Amplify Partners, L.P. The sole general partner is Amplify GP Partners, LLC. Sunil Dhaliwal, a member of the Issuer's Board of Directors, is a managing member of Amplify GP Partners, LLC, and may be deemed to have voting and investment power with respect to these securities. Amplify GP Partners, LLC and Sunil Dhaliwal disclaim beneficial ownership of the securities except to the extent of its or his pecuniary interest therein."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001209191-20-048976","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1354177/000120919120048976/doc4.xml","form_type":"4"}},{"id":3042362,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":137954,"kind":"person","name":"DHALIWAL SUNIL","position":1,"cik":"0001354177","reported_name":"DHALIWAL SUNIL","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2020-09-01T19:18:57.000Z","date":"2020-08-28","kind":"sale","acquired":false,"shares":500,"price":95.06,"value":47530.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $95.00 to $95.23. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the ranges."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"These shares are held directly by AP Opportunity Fund LLC. The sole general partner is Amplify GP Partners, LLC. Sunil Dhaliwal, a member of the Issuer's Board of Directors, is a managing member of Amplify GP Partners, LLC, and may be deemed to have voting and investment power with respect to these securities. 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These shares were sold in multiple transactions at prices ranging from $95.00 to $95.23. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the ranges."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"These shares are held directly by Amplify Partners, L.P. The sole general partner is Amplify GP Partners, LLC. Sunil Dhaliwal, a member of the Issuer's Board of Directors, is a managing member of Amplify GP Partners, LLC, and may be deemed to have voting and investment power with respect to these securities. Amplify GP Partners, LLC and Sunil Dhaliwal disclaim beneficial ownership of the securities except to the extent of its or his pecuniary interest therein."}],"balance_after":724602,"source":{"system":"sec-edgar","filing":"0001209191-20-048976","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1354177/000120919120048976/doc4.xml","form_type":"4"}},{"id":3042360,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":137954,"kind":"person","name":"DHALIWAL SUNIL","position":1,"cik":"0001354177","reported_name":"DHALIWAL SUNIL","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2020-09-01T19:18:57.000Z","date":"2020-08-28","kind":"exercise","acquired":true,"shares":209834,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Each share of Class B Common Stock converted into Class A Common Stock upon the election of the reporting person."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"These shares are held directly by AP Opportunity Fund LLC. The sole general partner is Amplify GP Partners, LLC. Sunil Dhaliwal, a member of the Issuer's Board of Directors, is a managing member of Amplify GP Partners, LLC, and may be deemed to have voting and investment power with respect to these securities. Amplify GP Partners, LLC and Sunil Dhaliwal disclaim beneficial ownership of the securities except to the extent of its or his pecuniary interest therein."}],"balance_after":209834,"source":{"system":"sec-edgar","filing":"0001209191-20-048976","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1354177/000120919120048976/doc4.xml","form_type":"4"}},{"id":3042359,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":137954,"kind":"person","name":"DHALIWAL SUNIL","position":1,"cik":"0001354177","reported_name":"DHALIWAL SUNIL","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2020-09-01T19:18:57.000Z","date":"2020-08-28","kind":"exercise","acquired":true,"shares":774602,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Each share of Class B Common Stock converted into Class A Common Stock upon the election of the reporting person."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"These shares are held directly by Amplify Partners, L.P. The sole general partner is Amplify GP Partners, LLC. Sunil Dhaliwal, a member of the Issuer's Board of Directors, is a managing member of Amplify GP Partners, LLC, and may be deemed to have voting and investment power with respect to these securities. Amplify GP Partners, LLC and Sunil Dhaliwal disclaim beneficial ownership of the securities except to the extent of its or his pecuniary interest therein."}],"balance_after":774602,"source":{"system":"sec-edgar","filing":"0001209191-20-048976","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1354177/000120919120048976/doc4.xml","form_type":"4"}},{"id":3113066,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":137954,"kind":"person","name":"DHALIWAL SUNIL","position":1,"cik":"0001354177","reported_name":"DHALIWAL SUNIL","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2020-06-11T20:14:22.000Z","date":"2020-06-09","kind":"grant","acquired":true,"shares":3844,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The shares are represented by restricted stock units (RSUs). Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock upon settlement. The RSUs vest on the earlier of the date of the next annual meeting of the Issuer's stockholders (or the date immediately prior to the next annual meeting of the Issuer's stockholders if the reporting person's service as a director ends at such meeting due to the failure to be re-elected or not standing for re-election) and the one year anniversary measured from the date of grant, each subject to continued service as a director of the Issuer through each applicable vesting date."}],"balance_after":555705,"source":{"system":"sec-edgar","filing":"0001517413-20-000126","document":"wf-form4_159192084248873.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1354177/000151741320000126/wf-form4_159192084248873.xml","form_type":"4"}},{"id":3134833,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":137954,"kind":"person","name":"DHALIWAL SUNIL","position":1,"cik":"0001354177","reported_name":"DHALIWAL SUNIL","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class B Common Stock","published_at":"2020-05-26T18:51:48.000Z","date":"2020-05-21","kind":"exercise","acquired":false,"shares":629500,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F8","text":"Each share of Class B Common Stock will convert automatically into Class A Common Stock upon any transfer except certain \"Permitted Transfers\" described in the Issuer's amended and restated certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) the first trading day falling nine months after the date on which the shares of Class B Common Stock represent less than 10% of the aggregate number of outstanding shares of Class A Common Stock and Class B Common Stock, (ii) the date specified by the vote of the holders of Class B Common Stock representing at least a majority of the outstanding shares of Class B Common Stock, or (iii) the first trading day falling ten years after the Effective Time as defined in the Issuer's amended and restated certificate of incorporation."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F8","text":"Each share of Class B Common Stock will convert automatically into Class A Common Stock upon any transfer except certain \"Permitted Transfers\" described in the Issuer's amended and restated certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) the first trading day falling nine months after the date on which the shares of Class B Common Stock represent less than 10% of the aggregate number of outstanding shares of Class A Common Stock and Class B Common Stock, (ii) the date specified by the vote of the holders of Class B Common Stock representing at least a majority of the outstanding shares of Class B Common Stock, or (iii) the first trading day falling ten years after the Effective Time as defined in the Issuer's amended and restated certificate of incorporation."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F8","text":"Each share of Class B Common Stock will convert automatically into Class A Common Stock upon any transfer except certain \"Permitted Transfers\" described in the Issuer's amended and restated certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) the first trading day falling nine months after the date on which the shares of Class B Common Stock represent less than 10% of the aggregate number of outstanding shares of Class A Common Stock and Class B Common Stock, (ii) the date specified by the vote of the holders of Class B Common Stock representing at least a majority of the outstanding shares of Class B Common Stock, or (iii) the first trading day falling ten years after the Effective Time as defined in the Issuer's amended and restated certificate of incorporation."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"These shares are held directly by AP Opportunity Fund LLC. The sole general partner is Amplify GP Partners, LLC. Sunil Dhaliwal, a member of the Issuer's Board of Directors, is a managing member of Amplify GP Partners, LLC, and may be deemed to have voting and investment power with respect to these securities. Amplify GP Partners, LLC and Sunil Dhaliwal disclaim beneficial ownership of the securities except to the extent of its or his pecuniary interest therein."}],"balance_after":209834,"derivative":{"underlying":"Class A Common Stock","underlying_shares":629500},"source":{"system":"sec-edgar","filing":"0001209191-20-032170","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1354177/000120919120032170/doc4.xml","form_type":"4"}},{"id":3134832,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":137954,"kind":"person","name":"DHALIWAL SUNIL","position":1,"cik":"0001354177","reported_name":"DHALIWAL SUNIL","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class B Common Stock","published_at":"2020-05-26T18:51:48.000Z","date":"2020-05-21","kind":"exercise","acquired":false,"shares":2323805,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F8","text":"Each share of Class B Common Stock will convert automatically into Class A Common Stock upon any transfer except certain \"Permitted Transfers\" described in the Issuer's amended and restated certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) the first trading day falling nine months after the date on which the shares of Class B Common Stock represent less than 10% of the aggregate number of outstanding shares of Class A Common Stock and Class B Common Stock, (ii) the date specified by the vote of the holders of Class B Common Stock representing at least a majority of the outstanding shares of Class B Common Stock, or (iii) the first trading day falling ten years after the Effective Time as defined in the Issuer's amended and restated certificate of incorporation."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F8","text":"Each share of Class B Common Stock will convert automatically into Class A Common Stock upon any transfer except certain \"Permitted Transfers\" described in the Issuer's amended and restated certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) the first trading day falling nine months after the date on which the shares of Class B Common Stock represent less than 10% of the aggregate number of outstanding shares of Class A Common Stock and Class B Common Stock, (ii) the date specified by the vote of the holders of Class B Common Stock representing at least a majority of the outstanding shares of Class B Common Stock, or (iii) the first trading day falling ten years after the Effective Time as defined in the Issuer's amended and restated certificate of incorporation."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F8","text":"Each share of Class B Common Stock will convert automatically into Class A Common Stock upon any transfer except certain \"Permitted Transfers\" described in the Issuer's amended and restated certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) the first trading day falling nine months after the date on which the shares of Class B Common Stock represent less than 10% of the aggregate number of outstanding shares of Class A Common Stock and Class B Common Stock, (ii) the date specified by the vote of the holders of Class B Common Stock representing at least a majority of the outstanding shares of Class B Common Stock, or (iii) the first trading day falling ten years after the Effective Time as defined in the Issuer's amended and restated certificate of incorporation."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"These shares are held directly by Amplify Partners, L.P. The sole general partner is Amplify GP Partners, LLC. Sunil Dhaliwal, a member of the Issuer's Board of Directors, is a managing member of Amplify GP Partners, LLC, and may be deemed to have voting and investment power with respect to these securities. 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Sunil Dhaliwal, a member of the Issuer's Board of Directors, is a managing member of Amplify GP Partners, LLC, and may be deemed to have voting and investment power with respect to these securities. Amplify GP Partners, LLC and Sunil Dhaliwal disclaim beneficial ownership of the securities except to the extent of its or his pecuniary interest therein."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001209191-20-032170","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1354177/000120919120032170/doc4.xml","form_type":"4"}},{"id":3134829,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":137954,"kind":"person","name":"DHALIWAL SUNIL","position":1,"cik":"0001354177","reported_name":"DHALIWAL SUNIL","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2020-05-26T18:51:48.000Z","date":"2020-05-21","kind":"other","acquired":true,"shares":655468,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F5","text":"The reporting person distributed, for no consideration, the shares of Class A Common Stock to its members."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"These shares are held directly by Amplify GP Partners, LLC. Sunil Dhaliwal, a member of the Issuer's Board of Directors, is a managing member of Amplify GP Partners, LLC, and may be deemed to have voting and investment power with respect to these securities. Amplify GP Partners, LLC and Sunil Dhaliwal disclaim beneficial ownership of the securities except to the extent of its or his pecuniary interest therein."}],"balance_after":655468,"source":{"system":"sec-edgar","filing":"0001209191-20-032170","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1354177/000120919120032170/doc4.xml","form_type":"4"}},{"id":3134828,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":137954,"kind":"person","name":"DHALIWAL SUNIL","position":1,"cik":"0001354177","reported_name":"DHALIWAL SUNIL","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2020-05-26T18:51:48.000Z","date":"2020-05-21","kind":"other","acquired":false,"shares":629500,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F4","text":"The reporting person distributed, for no consideration, the shares of Class A Common Stock to its partners, representing each such partner's pro rata interest in such shares."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"These shares are held directly by AP Opportunity Fund LLC. The sole general partner is Amplify GP Partners, LLC. Sunil Dhaliwal, a member of the Issuer's Board of Directors, is a managing member of Amplify GP Partners, LLC, and may be deemed to have voting and investment power with respect to these securities. Amplify GP Partners, LLC and Sunil Dhaliwal disclaim beneficial ownership of the securities except to the extent of its or his pecuniary interest therein."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001209191-20-032170","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1354177/000120919120032170/doc4.xml","form_type":"4"}},{"id":3134827,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":137954,"kind":"person","name":"DHALIWAL SUNIL","position":1,"cik":"0001354177","reported_name":"DHALIWAL SUNIL","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2020-05-26T18:51:48.000Z","date":"2020-05-21","kind":"other","acquired":false,"shares":2323805,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F4","text":"The reporting person distributed, for no consideration, the shares of Class A Common Stock to its partners, representing each such partner's pro rata interest in such shares."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"These shares are held directly by Amplify Partners, L.P. The sole general partner is Amplify GP Partners, LLC. Sunil Dhaliwal, a member of the Issuer's Board of Directors, is a managing member of Amplify GP Partners, LLC, and may be deemed to have voting and investment power with respect to these securities. 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The sole general partner is Amplify GP Partners, LLC. Sunil Dhaliwal, a member of the Issuer's Board of Directors, is a managing member of Amplify GP Partners, LLC, and may be deemed to have voting and investment power with respect to these securities. 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All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) the first trading day falling nine months after the date on which the shares of Class B Common Stock represent less than 10% of the aggregate number of outstanding shares of Class A Common Stock and Class B Common Stock, (ii) the date specified by the vote of the holders of Class B Common Stock representing at least a majority of the outstanding shares of Class B Common Stock, or (iii) the first trading day falling ten years after the Effective Time as defined in the Issuer's amended and restated certificate of incorporation."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F8","text":"Each share of Class B Common Stock will convert automatically into Class A Common Stock upon any transfer except certain \"Permitted Transfers\" described in the Issuer's amended and restated certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) the first trading day falling nine months after the date on which the shares of Class B Common Stock represent less than 10% of the aggregate number of outstanding shares of Class A Common Stock and Class B Common Stock, (ii) the date specified by the vote of the holders of Class B Common Stock representing at least a majority of the outstanding shares of Class B Common Stock, or (iii) the first trading day falling ten years after the Effective Time as defined in the Issuer's amended and restated certificate of incorporation."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"These shares are held directly by AP Opportunity Fund LLC. The sole general partner is Amplify GP Partners, LLC. 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The sole general partner is Amplify GP Partners, LLC. Sunil Dhaliwal, a member of the Issuer's Board of Directors, is a managing member of Amplify GP Partners, LLC, and may be deemed to have voting and investment power with respect to these securities. 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The sole general partner is Amplify GP Partners, LLC. Sunil Dhaliwal, a member of the Issuer's Board of Directors, is a managing member of Amplify GP Partners, LLC, and may be deemed to have voting and investment power with respect to these securities. Amplify GP Partners, LLC and Sunil Dhaliwal disclaim beneficial ownership of the securities except to the extent of its or his pecuniary interest therein."}],"balance_after":2200000,"source":{"system":"sec-edgar","filing":"0001209191-20-014246","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1354177/000120919120014246/doc4.xml","form_type":"4"}},{"id":3347867,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":137954,"kind":"person","name":"DHALIWAL SUNIL","position":1,"cik":"0001354177","reported_name":"DHALIWAL SUNIL","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2019-12-09T16:53:43.000Z","date":"2019-12-06","kind":"sale","acquired":false,"shares":24926,"price":20.9556,"value":522339.2856,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $20.80 to $21.15, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the range."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001209191-19-059703","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1354177/000120919119059703/doc4.xml","form_type":"4"}},{"id":3347866,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":137954,"kind":"person","name":"DHALIWAL SUNIL","position":1,"cik":"0001354177","reported_name":"DHALIWAL SUNIL","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2019-12-09T16:53:43.000Z","date":"2019-12-05","kind":"sale","acquired":false,"shares":2600,"price":20.6085,"value":53582.1,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $20.60 to $20.63, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the range."}],"balance_after":24926,"source":{"system":"sec-edgar","filing":"0001209191-19-059703","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1354177/000120919119059703/doc4.xml","form_type":"4"}},{"id":3357145,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":137954,"kind":"person","name":"DHALIWAL SUNIL","position":1,"cik":"0001354177","reported_name":"DHALIWAL SUNIL","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2019-11-27T16:11:19.000Z","date":"2019-11-25","kind":"exercise","acquired":false,"shares":325072,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F7","text":"Each share of Class B Common Stock will convert automatically into Class A Common Stock upon any transfer except certain \"Permitted Transfers\" described in the Issuer's amended and restated certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) the first trading day falling nine months after the date on which the shares of Class B Common Stock represent less than 10% of the aggregate number of outstanding shares of Class A Common Stock and Class B Common Stock, (ii) the date specified by the vote of the holders of Class B Common Stock representing at least a majority of the outstanding shares of Class B Common Stock, or (iii) the first trading day falling ten years after the Effective Time as defined in the Issuer's amended and restated certificate of incorporation."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F7","text":"Each share of Class B Common Stock will convert automatically into Class A Common Stock upon any transfer except certain \"Permitted Transfers\" described in the Issuer's amended and restated certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) the first trading day falling nine months after the date on which the shares of Class B Common Stock represent less than 10% of the aggregate number of outstanding shares of Class A Common Stock and Class B Common Stock, (ii) the date specified by the vote of the holders of Class B Common Stock representing at least a majority of the outstanding shares of Class B Common Stock, or (iii) the first trading day falling ten years after the Effective Time as defined in the Issuer's amended and restated certificate of incorporation."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F7","text":"Each share of Class B Common Stock will convert automatically into Class A Common Stock upon any transfer except certain \"Permitted Transfers\" described in the Issuer's amended and restated certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) the first trading day falling nine months after the date on which the shares of Class B Common Stock represent less than 10% of the aggregate number of outstanding shares of Class A Common Stock and Class B Common Stock, (ii) the date specified by the vote of the holders of Class B Common Stock representing at least a majority of the outstanding shares of Class B Common Stock, or (iii) the first trading day falling ten years after the Effective Time as defined in the Issuer's amended and restated certificate of incorporation."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"These shares are held directly by AP Opportunity Fund LLC. The sole general partner is Amplify GP Partners, LLC. Sunil Dhaliwal, a member of the Issuer's Board of Directors, is a managing member of Amplify GP Partners, LLC, and may be deemed to have voting and investment power with respect to these securities. Amplify GP Partners, LLC and Sunil Dhaliwal disclaims beneficial ownership of the securities except to the extent of his or its pecuniary interest therein."}],"balance_after":1435298,"derivative":{"underlying":"Class A Common Stock","underlying_shares":325072},"source":{"system":"sec-edgar","filing":"0001209191-19-058324","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1354177/000120919119058324/doc4.xml","form_type":"4"}},{"id":3357144,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":137954,"kind":"person","name":"DHALIWAL SUNIL","position":1,"cik":"0001354177","reported_name":"DHALIWAL SUNIL","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2019-11-27T16:11:19.000Z","date":"2019-11-25","kind":"exercise","acquired":false,"shares":1200000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F7","text":"Each share of Class B Common Stock will convert automatically into Class A Common Stock upon any transfer except certain \"Permitted Transfers\" described in the Issuer's amended and restated certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) the first trading day falling nine months after the date on which the shares of Class B Common Stock represent less than 10% of the aggregate number of outstanding shares of Class A Common Stock and Class B Common Stock, (ii) the date specified by the vote of the holders of Class B Common Stock representing at least a majority of the outstanding shares of Class B Common Stock, or (iii) the first trading day falling ten years after the Effective Time as defined in the Issuer's amended and restated certificate of incorporation."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F7","text":"Each share of Class B Common Stock will convert automatically into Class A Common Stock upon any transfer except certain \"Permitted Transfers\" described in the Issuer's amended and restated certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) the first trading day falling nine months after the date on which the shares of Class B Common Stock represent less than 10% of the aggregate number of outstanding shares of Class A Common Stock and Class B Common Stock, (ii) the date specified by the vote of the holders of Class B Common Stock representing at least a majority of the outstanding shares of Class B Common Stock, or (iii) the first trading day falling ten years after the Effective Time as defined in the Issuer's amended and restated certificate of incorporation."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F7","text":"Each share of Class B Common Stock will convert automatically into Class A Common Stock upon any transfer except certain \"Permitted Transfers\" described in the Issuer's amended and restated certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) the first trading day falling nine months after the date on which the shares of Class B Common Stock represent less than 10% of the aggregate number of outstanding shares of Class A Common Stock and Class B Common Stock, (ii) the date specified by the vote of the holders of Class B Common Stock representing at least a majority of the outstanding shares of Class B Common Stock, or (iii) the first trading day falling ten years after the Effective Time as defined in the Issuer's amended and restated certificate of incorporation."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"These shares are held directly by Amplify Partners, L.P. The sole general partner is Amplify GP Partners, LLC. Sunil Dhaliwal, a member of the Issuer's Board of Directors, is a managing member of Amplify GP Partners, LLC, and may be deemed to have voting and investment power with respect to these securities. Amplify GP Partners, LLC and Sunil Dhaliwal disclaims beneficial ownership of the securities except to the extent of his or its pecuniary interest therein."}],"balance_after":5298407,"derivative":{"underlying":"Class A Common Stock","underlying_shares":1200000},"source":{"system":"sec-edgar","filing":"0001209191-19-058324","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1354177/000120919119058324/doc4.xml","form_type":"4"}},{"id":3357143,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":137954,"kind":"person","name":"DHALIWAL SUNIL","position":1,"cik":"0001354177","reported_name":"DHALIWAL SUNIL","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2019-11-27T16:11:19.000Z","date":"2019-11-25","kind":"other","acquired":true,"shares":27526,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F6","text":"Pro rata distribution, for no consideration, from Amplify GP Partners, LLC."}],"balance_after":27526,"source":{"system":"sec-edgar","filing":"0001209191-19-058324","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1354177/000120919119058324/doc4.xml","form_type":"4"}},{"id":3357142,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":137954,"kind":"person","name":"DHALIWAL SUNIL","position":1,"cik":"0001354177","reported_name":"DHALIWAL SUNIL","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2019-11-27T16:11:19.000Z","date":"2019-11-25","kind":"other","acquired":false,"shares":36702,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F4","text":"The reporting person distributed, for no consideration, the shares of Class A Common Stock to its partners, representing each such partner's pro rata interest in such shares."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"These shares are held directly by Amplify GP Partners, LLC. Sunil Dhaliwal, a member of the Issuer's Board of Directors, is a managing member of Amplify GP Partners, LLC, and may be deemed to have voting and investment power with respect to these securities. Amplify GP Partners, LLC and Sunil Dhaliwal disclaims beneficial ownership of the securities except to the extent of his or its pecuniary interest therein."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001209191-19-058324","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1354177/000120919119058324/doc4.xml","form_type":"4"}},{"id":3357141,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":137954,"kind":"person","name":"DHALIWAL SUNIL","position":1,"cik":"0001354177","reported_name":"DHALIWAL SUNIL","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2019-11-27T16:11:19.000Z","date":"2019-11-25","kind":"other","acquired":true,"shares":36702,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F4","text":"The reporting person distributed, for no consideration, the shares of Class A Common Stock to its partners, representing each such partner's pro rata interest in such shares."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"These shares are held directly by Amplify GP Partners, LLC. Sunil Dhaliwal, a member of the Issuer's Board of Directors, is a managing member of Amplify GP Partners, LLC, and may be deemed to have voting and investment power with respect to these securities. Amplify GP Partners, LLC and Sunil Dhaliwal disclaims beneficial ownership of the securities except to the extent of his or its pecuniary interest therein."}],"balance_after":36702,"source":{"system":"sec-edgar","filing":"0001209191-19-058324","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1354177/000120919119058324/doc4.xml","form_type":"4"}},{"id":3357140,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":137954,"kind":"person","name":"DHALIWAL SUNIL","position":1,"cik":"0001354177","reported_name":"DHALIWAL SUNIL","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2019-11-27T16:11:19.000Z","date":"2019-11-25","kind":"other","acquired":false,"shares":325072,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F4","text":"The reporting person distributed, for no consideration, the shares of Class A Common Stock to its partners, representing each such partner's pro rata interest in such shares."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"These shares are held directly by AP Opportunity Fund LLC. The sole general partner is Amplify GP Partners, LLC. Sunil Dhaliwal, a member of the Issuer's Board of Directors, is a managing member of Amplify GP Partners, LLC, and may be deemed to have voting and investment power with respect to these securities. Amplify GP Partners, LLC and Sunil Dhaliwal disclaims beneficial ownership of the securities except to the extent of his or its pecuniary interest therein."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001209191-19-058324","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1354177/000120919119058324/doc4.xml","form_type":"4"}},{"id":3357139,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":137954,"kind":"person","name":"DHALIWAL SUNIL","position":1,"cik":"0001354177","reported_name":"DHALIWAL SUNIL","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2019-11-27T16:11:19.000Z","date":"2019-11-25","kind":"other","acquired":false,"shares":1200000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F4","text":"The reporting person distributed, for no consideration, the shares of Class A Common Stock to its partners, representing each such partner's pro rata interest in such shares."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"These shares are held directly by Amplify Partners, L.P. The sole general partner is Amplify GP Partners, LLC. Sunil Dhaliwal, a member of the Issuer's Board of Directors, is a managing member of Amplify GP Partners, LLC, and may be deemed to have voting and investment power with respect to these securities. Amplify GP Partners, LLC and Sunil Dhaliwal disclaims beneficial ownership of the securities except to the extent of his or its pecuniary interest therein."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001209191-19-058324","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1354177/000120919119058324/doc4.xml","form_type":"4"}},{"id":3357138,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":137954,"kind":"person","name":"DHALIWAL SUNIL","position":1,"cik":"0001354177","reported_name":"DHALIWAL SUNIL","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2019-11-27T16:11:19.000Z","date":"2019-11-25","kind":"exercise","acquired":true,"shares":325072,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Each share of Class B Common Stock converted into Class A Common Stock upon the election of the reporting person."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"These shares are held directly by AP Opportunity Fund LLC. The sole general partner is Amplify GP Partners, LLC. Sunil Dhaliwal, a member of the Issuer's Board of Directors, is a managing member of Amplify GP Partners, LLC, and may be deemed to have voting and investment power with respect to these securities. Amplify GP Partners, LLC and Sunil Dhaliwal disclaims beneficial ownership of the securities except to the extent of his or its pecuniary interest therein."}],"balance_after":325072,"source":{"system":"sec-edgar","filing":"0001209191-19-058324","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1354177/000120919119058324/doc4.xml","form_type":"4"}},{"id":3357137,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":137954,"kind":"person","name":"DHALIWAL SUNIL","position":1,"cik":"0001354177","reported_name":"DHALIWAL SUNIL","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2019-11-27T16:11:19.000Z","date":"2019-11-25","kind":"exercise","acquired":true,"shares":1200000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Each share of Class B Common Stock converted into Class A Common Stock upon the election of the reporting person."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"These shares are held directly by Amplify Partners, L.P. The sole general partner is Amplify GP Partners, LLC. Sunil Dhaliwal, a member of the Issuer's Board of Directors, is a managing member of Amplify GP Partners, LLC, and may be deemed to have voting and investment power with respect to these securities. Amplify GP Partners, LLC and Sunil Dhaliwal disclaims beneficial ownership of the securities except to the extent of his or its pecuniary interest therein."}],"balance_after":1200000,"source":{"system":"sec-edgar","filing":"0001209191-19-058324","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1354177/000120919119058324/doc4.xml","form_type":"4"}},{"id":3363967,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":137954,"kind":"person","name":"DHALIWAL SUNIL","position":1,"cik":"0001354177","reported_name":"DHALIWAL SUNIL","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2019-11-20T19:52:04.000Z","date":"2019-11-18","kind":"exercise","acquired":false,"shares":27090,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"Each share of Class B Common Stock will convert automatically into Class A Common Stock upon any transfer except certain \"Permitted Transfers\" described in the Issuer's amended and restated certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) the first trading day falling nine months after the date on which the shares of Class B Common Stock represent less than 10% of the aggregate number of outstanding shares of Class A Common Stock and Class B Common Stock, (ii) the date specified by the vote of the holders of Class B Common Stock representing at least a majority of the outstanding shares of Class B Common Stock, or (iii) the first trading day falling ten years after the Effective Time as defined in the Issuer's amended and restated certificate of incorporation."},{"field":"kind","element":"transactionCoding","label":"F1","text":"Each share of Class B Common Stock converted automatically into Class A Common Stock upon the election of the reporting person."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"Each share of Class B Common Stock will convert automatically into Class A Common Stock upon any transfer except certain \"Permitted Transfers\" described in the Issuer's amended and restated certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) the first trading day falling nine months after the date on which the shares of Class B Common Stock represent less than 10% of the aggregate number of outstanding shares of Class A Common Stock and Class B Common Stock, (ii) the date specified by the vote of the holders of Class B Common Stock representing at least a majority of the outstanding shares of Class B Common Stock, or (iii) the first trading day falling ten years after the Effective Time as defined in the Issuer's amended and restated certificate of incorporation."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"Each share of Class B Common Stock will convert automatically into Class A Common Stock upon any transfer except certain \"Permitted Transfers\" described in the Issuer's amended and restated certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) the first trading day falling nine months after the date on which the shares of Class B Common Stock represent less than 10% of the aggregate number of outstanding shares of Class A Common Stock and Class B Common Stock, (ii) the date specified by the vote of the holders of Class B Common Stock representing at least a majority of the outstanding shares of Class B Common Stock, or (iii) the first trading day falling ten years after the Effective Time as defined in the Issuer's amended and restated certificate of incorporation."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"These shares are held directly by AP Opportunity Fund LLC. The sole general partner is Amplify GP Partners, LLC. Sunil Dhaliwal, a member of the Issuer's Board of Directors, is a managing member of Amplify GP Partners, LLC, and may be deemed to have voting and investment power with respect to these securities. Amplify GP Partners, LLC and Sunil Dhaliwal disclaim beneficial ownership of the securities except to the extent of his or its pecuniary interest therein."}],"balance_after":1760370,"derivative":{"underlying":"Class A Common Stock","underlying_shares":27090},"source":{"system":"sec-edgar","filing":"0001209191-19-057527","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1354177/000120919119057527/doc4.xml","form_type":"4"}},{"id":3363966,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":137954,"kind":"person","name":"DHALIWAL SUNIL","position":1,"cik":"0001354177","reported_name":"DHALIWAL SUNIL","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2019-11-20T19:52:04.000Z","date":"2019-11-18","kind":"exercise","acquired":false,"shares":100000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"Each share of Class B Common Stock will convert automatically into Class A Common Stock upon any transfer except certain \"Permitted Transfers\" described in the Issuer's amended and restated certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) the first trading day falling nine months after the date on which the shares of Class B Common Stock represent less than 10% of the aggregate number of outstanding shares of Class A Common Stock and Class B Common Stock, (ii) the date specified by the vote of the holders of Class B Common Stock representing at least a majority of the outstanding shares of Class B Common Stock, or (iii) the first trading day falling ten years after the Effective Time as defined in the Issuer's amended and restated certificate of incorporation."},{"field":"kind","element":"transactionCoding","label":"F1","text":"Each share of Class B Common Stock converted automatically into Class A Common Stock upon the election of the reporting person."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"Each share of Class B Common Stock will convert automatically into Class A Common Stock upon any transfer except certain \"Permitted Transfers\" described in the Issuer's amended and restated certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) the first trading day falling nine months after the date on which the shares of Class B Common Stock represent less than 10% of the aggregate number of outstanding shares of Class A Common Stock and Class B Common Stock, (ii) the date specified by the vote of the holders of Class B Common Stock representing at least a majority of the outstanding shares of Class B Common Stock, or (iii) the first trading day falling ten years after the Effective Time as defined in the Issuer's amended and restated certificate of incorporation."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"Each share of Class B Common Stock will convert automatically into Class A Common Stock upon any transfer except certain \"Permitted Transfers\" described in the Issuer's amended and restated certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) the first trading day falling nine months after the date on which the shares of Class B Common Stock represent less than 10% of the aggregate number of outstanding shares of Class A Common Stock and Class B Common Stock, (ii) the date specified by the vote of the holders of Class B Common Stock representing at least a majority of the outstanding shares of Class B Common Stock, or (iii) the first trading day falling ten years after the Effective Time as defined in the Issuer's amended and restated certificate of incorporation."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"These shares are held directly by Amplify Partners, L.P. The sole general partner is Amplify GP Partners, LLC. Sunil Dhaliwal, a member of the Issuer's Board of Directors, is a managing member of Amplify GP Partners, LLC, and may be deemed to have voting and investment power with respect to these securities. Amplify GP Partners, LLC and Sunil Dhaliwal disclaim beneficial ownership of the securities except to the extent of his or its pecuniary interest therein."}],"balance_after":6498407,"derivative":{"underlying":"Class A Common Stock","underlying_shares":100000},"source":{"system":"sec-edgar","filing":"0001209191-19-057527","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1354177/000120919119057527/doc4.xml","form_type":"4"}},{"id":3363965,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":137954,"kind":"person","name":"DHALIWAL SUNIL","position":1,"cik":"0001354177","reported_name":"DHALIWAL SUNIL","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2019-11-20T19:52:04.000Z","date":"2019-11-18","kind":"sale","acquired":false,"shares":27090,"price":21.16,"value":573224.4,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $21.15 to $21.21. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon request, full information regarding the number of shares sold at each price within the range."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"These shares are held directly by AP Opportunity Fund LLC. The sole general partner is Amplify GP Partners, LLC. Sunil Dhaliwal, a member of the Issuer's Board of Directors, is a managing member of Amplify GP Partners, LLC, and may be deemed to have voting and investment power with respect to these securities. Amplify GP Partners, LLC and Sunil Dhaliwal disclaim beneficial ownership of the securities except to the extent of his or its pecuniary interest therein."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001209191-19-057527","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1354177/000120919119057527/doc4.xml","form_type":"4"}},{"id":3363964,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":137954,"kind":"person","name":"DHALIWAL SUNIL","position":1,"cik":"0001354177","reported_name":"DHALIWAL SUNIL","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2019-11-20T19:52:04.000Z","date":"2019-11-18","kind":"sale","acquired":false,"shares":100000,"price":21.16,"value":2116000.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $21.15 to $21.21. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon request, full information regarding the number of shares sold at each price within the range."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"These shares are held directly by Amplify Partners, L.P. The sole general partner is Amplify GP Partners, LLC. Sunil Dhaliwal, a member of the Issuer's Board of Directors, is a managing member of Amplify GP Partners, LLC, and may be deemed to have voting and investment power with respect to these securities. Amplify GP Partners, LLC and Sunil Dhaliwal disclaim beneficial ownership of the securities except to the extent of his or its pecuniary interest therein."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001209191-19-057527","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1354177/000120919119057527/doc4.xml","form_type":"4"}},{"id":3363963,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":137954,"kind":"person","name":"DHALIWAL SUNIL","position":1,"cik":"0001354177","reported_name":"DHALIWAL SUNIL","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2019-11-20T19:52:04.000Z","date":"2019-11-18","kind":"exercise","acquired":true,"shares":27090,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Each share of Class B Common Stock converted automatically into Class A Common Stock upon the election of the reporting person."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of Class B Common Stock converted automatically into Class A Common Stock upon the election of the reporting person."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"These shares are held directly by AP Opportunity Fund LLC. The sole general partner is Amplify GP Partners, LLC. Sunil Dhaliwal, a member of the Issuer's Board of Directors, is a managing member of Amplify GP Partners, LLC, and may be deemed to have voting and investment power with respect to these securities. Amplify GP Partners, LLC and Sunil Dhaliwal disclaim beneficial ownership of the securities except to the extent of his or its pecuniary interest therein."}],"balance_after":27090,"source":{"system":"sec-edgar","filing":"0001209191-19-057527","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1354177/000120919119057527/doc4.xml","form_type":"4"}},{"id":3363962,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":137954,"kind":"person","name":"DHALIWAL SUNIL","position":1,"cik":"0001354177","reported_name":"DHALIWAL SUNIL","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2019-11-20T19:52:04.000Z","date":"2019-11-18","kind":"exercise","acquired":true,"shares":100000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Each share of Class B Common Stock converted automatically into Class A Common Stock upon the election of the reporting person."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of Class B Common Stock converted automatically into Class A Common Stock upon the election of the reporting person."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"These shares are held directly by Amplify Partners, L.P. The sole general partner is Amplify GP Partners, LLC. Sunil Dhaliwal, a member of the Issuer's Board of Directors, is a managing member of Amplify GP Partners, LLC, and may be deemed to have voting and investment power with respect to these securities. Amplify GP Partners, LLC and Sunil Dhaliwal disclaim beneficial ownership of the securities except to the extent of his or its pecuniary interest therein."}],"balance_after":100000,"source":{"system":"sec-edgar","filing":"0001209191-19-057527","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1354177/000120919119057527/doc4.xml","form_type":"4"}},{"id":3516561,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":137954,"kind":"person","name":"DHALIWAL SUNIL","position":1,"cik":"0001354177","reported_name":"DHALIWAL SUNIL","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2019-05-21T19:04:06.000Z","date":"2019-05-21","kind":"exercise","acquired":true,"shares":1787460,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Each share of Class B Common Stock will convert automatically into Class A Common Stock upon any transfer except certain \"Permitted Transfers\" described in the Issuer's amended and restated certificate of incorporation. Following the closing of the initial public offering, all outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) the first trading day falling nine months after the date on which the shares of Class B Common Stock represent less than 10% of the aggregate number of outstanding shares of Class A Common Stock and Class B Common Stock, (ii) the date specified by the vote of the holders of Class B Common Stock representing at least a majority of the outstanding shares of Class B Common Stock, or (iii) the first trading day falling ten years after the Effective Time as defined in the Issuer's amended and restated certificate of incorporation."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"Each share of Class B Common Stock will convert automatically into Class A Common Stock upon any transfer except certain \"Permitted Transfers\" described in the Issuer's amended and restated certificate of incorporation. Following the closing of the initial public offering, all outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) the first trading day falling nine months after the date on which the shares of Class B Common Stock represent less than 10% of the aggregate number of outstanding shares of Class A Common Stock and Class B Common Stock, (ii) the date specified by the vote of the holders of Class B Common Stock representing at least a majority of the outstanding shares of Class B Common Stock, or (iii) the first trading day falling ten years after the Effective Time as defined in the Issuer's amended and restated certificate of incorporation."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"Each share of Class B Common Stock will convert automatically into Class A Common Stock upon any transfer except certain \"Permitted Transfers\" described in the Issuer's amended and restated certificate of incorporation. Following the closing of the initial public offering, all outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) the first trading day falling nine months after the date on which the shares of Class B Common Stock represent less than 10% of the aggregate number of outstanding shares of Class A Common Stock and Class B Common Stock, (ii) the date specified by the vote of the holders of Class B Common Stock representing at least a majority of the outstanding shares of Class B Common Stock, or (iii) the first trading day falling ten years after the Effective Time as defined in the Issuer's amended and restated certificate of incorporation."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F7","text":"These shares are held directly by AP Opportunity Fund LLC. The sole general partner is Amplify GP Partners, LLC. Sunil Dhaliwal, a member of the Issuer's Board of Directors, is a managing member of Amplify GP Partners, LLC, and may be deemed to have voting and investment power with respect to these securities. Amplify GP Partners, LLC and Sunil Dhaliwal disclaims beneficial ownership of the securities except to the extent of his or its pecuniary interest therein."}],"balance_after":1787460,"derivative":{"underlying":"Class A Common Stock","underlying_shares":1787460},"source":{"system":"sec-edgar","filing":"0001209191-19-031840","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":13,"url":"https://www.sec.gov/Archives/edgar/data/1354177/000120919119031840/doc4.xml","form_type":"4"}},{"id":3516560,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":137954,"kind":"person","name":"DHALIWAL SUNIL","position":1,"cik":"0001354177","reported_name":"DHALIWAL SUNIL","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2019-05-21T19:04:06.000Z","date":"2019-05-21","kind":"exercise","acquired":true,"shares":6331625,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Each share of Class B Common Stock will convert automatically into Class A Common Stock upon any transfer except certain \"Permitted Transfers\" described in the Issuer's amended and restated certificate of incorporation. Following the closing of the initial public offering, all outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) the first trading day falling nine months after the date on which the shares of Class B Common Stock represent less than 10% of the aggregate number of outstanding shares of Class A Common Stock and Class B Common Stock, (ii) the date specified by the vote of the holders of Class B Common Stock representing at least a majority of the outstanding shares of Class B Common Stock, or (iii) the first trading day falling ten years after the Effective Time as defined in the Issuer's amended and restated certificate of incorporation."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"Each share of Class B Common Stock will convert automatically into Class A Common Stock upon any transfer except certain \"Permitted Transfers\" described in the Issuer's amended and restated certificate of incorporation. Following the closing of the initial public offering, all outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) the first trading day falling nine months after the date on which the shares of Class B Common Stock represent less than 10% of the aggregate number of outstanding shares of Class A Common Stock and Class B Common Stock, (ii) the date specified by the vote of the holders of Class B Common Stock representing at least a majority of the outstanding shares of Class B Common Stock, or (iii) the first trading day falling ten years after the Effective Time as defined in the Issuer's amended and restated certificate of incorporation."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"Each share of Class B Common Stock will convert automatically into Class A Common Stock upon any transfer except certain \"Permitted Transfers\" described in the Issuer's amended and restated certificate of incorporation. Following the closing of the initial public offering, all outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) the first trading day falling nine months after the date on which the shares of Class B Common Stock represent less than 10% of the aggregate number of outstanding shares of Class A Common Stock and Class B Common Stock, (ii) the date specified by the vote of the holders of Class B Common Stock representing at least a majority of the outstanding shares of Class B Common Stock, or (iii) the first trading day falling ten years after the Effective Time as defined in the Issuer's amended and restated certificate of incorporation."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"These shares are held directly by Amplify Partners, L.P. The sole general partner is Amplify GP Partners, LLC. Sunil Dhaliwal, a member of the Issuer's Board of Directors, is a managing member of Amplify GP Partners, LLC, and may be deemed to have voting and investment power with respect to these securities. Amplify GP Partners, LLC and Sunil Dhaliwal disclaims beneficial ownership of the securities except to the extent of his or its pecuniary interest therein."}],"balance_after":6598407,"derivative":{"underlying":"Class A Common Stock","underlying_shares":6331625},"source":{"system":"sec-edgar","filing":"0001209191-19-031840","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":12,"url":"https://www.sec.gov/Archives/edgar/data/1354177/000120919119031840/doc4.xml","form_type":"4"}},{"id":3516559,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":137954,"kind":"person","name":"DHALIWAL SUNIL","position":1,"cik":"0001354177","reported_name":"DHALIWAL SUNIL","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Series F Convertible Preferred Stock","published_at":"2019-05-21T19:04:06.000Z","date":"2019-05-21","kind":"exercise","acquired":false,"shares":24450,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F10","text":"Each share of Series F Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:1 basis immediately upon the closing of the Issuer's initial public offering. The Series F Convertible Preferred Stock has no expiration date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F10","text":"Each share of Series F Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:1 basis immediately upon the closing of the Issuer's initial public offering. The Series F Convertible Preferred Stock has no expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F10","text":"Each share of Series F Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:1 basis immediately upon the closing of the Issuer's initial public offering. The Series F Convertible Preferred Stock has no expiration date."},{"field":"derivative.underlying","element":"underlyingSecurityTitle","label":"F2","text":"Each share of Class B Common Stock will convert automatically into Class A Common Stock upon any transfer except certain \"Permitted Transfers\" described in the Issuer's amended and restated certificate of incorporation. Following the closing of the initial public offering, all outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) the first trading day falling nine months after the date on which the shares of Class B Common Stock represent less than 10% of the aggregate number of outstanding shares of Class A Common Stock and Class B Common Stock, (ii) the date specified by the vote of the holders of Class B Common Stock representing at least a majority of the outstanding shares of Class B Common Stock, or (iii) the first trading day falling ten years after the Effective Time as defined in the Issuer's amended and restated certificate of incorporation."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F7","text":"These shares are held directly by AP Opportunity Fund LLC. The sole general partner is Amplify GP Partners, LLC. Sunil Dhaliwal, a member of the Issuer's Board of Directors, is a managing member of Amplify GP Partners, LLC, and may be deemed to have voting and investment power with respect to these securities. Amplify GP Partners, LLC and Sunil Dhaliwal disclaims beneficial ownership of the securities except to the extent of his or its pecuniary interest therein."}],"balance_after":0,"derivative":{"underlying":"Class B Common Stock","underlying_shares":24450},"source":{"system":"sec-edgar","filing":"0001209191-19-031840","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":11,"url":"https://www.sec.gov/Archives/edgar/data/1354177/000120919119031840/doc4.xml","form_type":"4"}},{"id":3516558,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":137954,"kind":"person","name":"DHALIWAL SUNIL","position":1,"cik":"0001354177","reported_name":"DHALIWAL SUNIL","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Series F Convertible Preferred Stock","published_at":"2019-05-21T19:04:06.000Z","date":"2019-05-21","kind":"exercise","acquired":false,"shares":97803,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F10","text":"Each share of Series F Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:1 basis immediately upon the closing of the Issuer's initial public offering. The Series F Convertible Preferred Stock has no expiration date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F10","text":"Each share of Series F Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:1 basis immediately upon the closing of the Issuer's initial public offering. The Series F Convertible Preferred Stock has no expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F10","text":"Each share of Series F Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:1 basis immediately upon the closing of the Issuer's initial public offering. The Series F Convertible Preferred Stock has no expiration date."},{"field":"derivative.underlying","element":"underlyingSecurityTitle","label":"F2","text":"Each share of Class B Common Stock will convert automatically into Class A Common Stock upon any transfer except certain \"Permitted Transfers\" described in the Issuer's amended and restated certificate of incorporation. Following the closing of the initial public offering, all outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) the first trading day falling nine months after the date on which the shares of Class B Common Stock represent less than 10% of the aggregate number of outstanding shares of Class A Common Stock and Class B Common Stock, (ii) the date specified by the vote of the holders of Class B Common Stock representing at least a majority of the outstanding shares of Class B Common Stock, or (iii) the first trading day falling ten years after the Effective Time as defined in the Issuer's amended and restated certificate of incorporation."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"These shares are held directly by Amplify Partners, L.P. The sole general partner is Amplify GP Partners, LLC. Sunil Dhaliwal, a member of the Issuer's Board of Directors, is a managing member of Amplify GP Partners, LLC, and may be deemed to have voting and investment power with respect to these securities. Amplify GP Partners, LLC and Sunil Dhaliwal disclaims beneficial ownership of the securities except to the extent of his or its pecuniary interest therein."}],"balance_after":0,"derivative":{"underlying":"Class B Common Stock","underlying_shares":97803},"source":{"system":"sec-edgar","filing":"0001209191-19-031840","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":10,"url":"https://www.sec.gov/Archives/edgar/data/1354177/000120919119031840/doc4.xml","form_type":"4"}},{"id":3516557,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":137954,"kind":"person","name":"DHALIWAL SUNIL","position":1,"cik":"0001354177","reported_name":"DHALIWAL SUNIL","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Series E Convertible Preferred Stock","published_at":"2019-05-21T19:04:06.000Z","date":"2019-05-21","kind":"exercise","acquired":false,"shares":66090,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F9","text":"Each share of Series E Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:1 basis immediately upon the closing of the Issuer's initial public offering. The Series E Convertible Preferred Stock has no expiration date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F9","text":"Each share of Series E Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:1 basis immediately upon the closing of the Issuer's initial public offering. The Series E Convertible Preferred Stock has no expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F9","text":"Each share of Series E Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:1 basis immediately upon the closing of the Issuer's initial public offering. The Series E Convertible Preferred Stock has no expiration date."},{"field":"derivative.underlying","element":"underlyingSecurityTitle","label":"F2","text":"Each share of Class B Common Stock will convert automatically into Class A Common Stock upon any transfer except certain \"Permitted Transfers\" described in the Issuer's amended and restated certificate of incorporation. Following the closing of the initial public offering, all outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) the first trading day falling nine months after the date on which the shares of Class B Common Stock represent less than 10% of the aggregate number of outstanding shares of Class A Common Stock and Class B Common Stock, (ii) the date specified by the vote of the holders of Class B Common Stock representing at least a majority of the outstanding shares of Class B Common Stock, or (iii) the first trading day falling ten years after the Effective Time as defined in the Issuer's amended and restated certificate of incorporation."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F7","text":"These shares are held directly by AP Opportunity Fund LLC. The sole general partner is Amplify GP Partners, LLC. Sunil Dhaliwal, a member of the Issuer's Board of Directors, is a managing member of Amplify GP Partners, LLC, and may be deemed to have voting and investment power with respect to these securities. Amplify GP Partners, LLC and Sunil Dhaliwal disclaims beneficial ownership of the securities except to the extent of his or its pecuniary interest therein."}],"balance_after":0,"derivative":{"underlying":"Class B Common Stock","underlying_shares":66090},"source":{"system":"sec-edgar","filing":"0001209191-19-031840","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1354177/000120919119031840/doc4.xml","form_type":"4"}},{"id":3516556,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":137954,"kind":"person","name":"DHALIWAL SUNIL","position":1,"cik":"0001354177","reported_name":"DHALIWAL SUNIL","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Series E Convertible Preferred Stock","published_at":"2019-05-21T19:04:06.000Z","date":"2019-05-21","kind":"exercise","acquired":false,"shares":229175,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F9","text":"Each share of Series E Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:1 basis immediately upon the closing of the Issuer's initial public offering. The Series E Convertible Preferred Stock has no expiration date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F9","text":"Each share of Series E Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:1 basis immediately upon the closing of the Issuer's initial public offering. The Series E Convertible Preferred Stock has no expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F9","text":"Each share of Series E Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:1 basis immediately upon the closing of the Issuer's initial public offering. The Series E Convertible Preferred Stock has no expiration date."},{"field":"derivative.underlying","element":"underlyingSecurityTitle","label":"F2","text":"Each share of Class B Common Stock will convert automatically into Class A Common Stock upon any transfer except certain \"Permitted Transfers\" described in the Issuer's amended and restated certificate of incorporation. Following the closing of the initial public offering, all outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) the first trading day falling nine months after the date on which the shares of Class B Common Stock represent less than 10% of the aggregate number of outstanding shares of Class A Common Stock and Class B Common Stock, (ii) the date specified by the vote of the holders of Class B Common Stock representing at least a majority of the outstanding shares of Class B Common Stock, or (iii) the first trading day falling ten years after the Effective Time as defined in the Issuer's amended and restated certificate of incorporation."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"These shares are held directly by Amplify Partners, L.P. The sole general partner is Amplify GP Partners, LLC. Sunil Dhaliwal, a member of the Issuer's Board of Directors, is a managing member of Amplify GP Partners, LLC, and may be deemed to have voting and investment power with respect to these securities. Amplify GP Partners, LLC and Sunil Dhaliwal disclaims beneficial ownership of the securities except to the extent of his or its pecuniary interest therein."}],"balance_after":0,"derivative":{"underlying":"Class B Common Stock","underlying_shares":229175},"source":{"system":"sec-edgar","filing":"0001209191-19-031840","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1354177/000120919119031840/doc4.xml","form_type":"4"}},{"id":3516555,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":137954,"kind":"person","name":"DHALIWAL SUNIL","position":1,"cik":"0001354177","reported_name":"DHALIWAL SUNIL","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Series D Convertible Preferred Stock","published_at":"2019-05-21T19:04:06.000Z","date":"2019-05-21","kind":"exercise","acquired":false,"shares":522605,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F8","text":"Each share of Series D Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:1 basis immediately upon the closing of the Issuer's initial public offering. The Series D Convertible Preferred Stock has no expiration date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F8","text":"Each share of Series D Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:1 basis immediately upon the closing of the Issuer's initial public offering. The Series D Convertible Preferred Stock has no expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F8","text":"Each share of Series D Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:1 basis immediately upon the closing of the Issuer's initial public offering. The Series D Convertible Preferred Stock has no expiration date."},{"field":"derivative.underlying","element":"underlyingSecurityTitle","label":"F2","text":"Each share of Class B Common Stock will convert automatically into Class A Common Stock upon any transfer except certain \"Permitted Transfers\" described in the Issuer's amended and restated certificate of incorporation. Following the closing of the initial public offering, all outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) the first trading day falling nine months after the date on which the shares of Class B Common Stock represent less than 10% of the aggregate number of outstanding shares of Class A Common Stock and Class B Common Stock, (ii) the date specified by the vote of the holders of Class B Common Stock representing at least a majority of the outstanding shares of Class B Common Stock, or (iii) the first trading day falling ten years after the Effective Time as defined in the Issuer's amended and restated certificate of incorporation."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F7","text":"These shares are held directly by AP Opportunity Fund LLC. The sole general partner is Amplify GP Partners, LLC. Sunil Dhaliwal, a member of the Issuer's Board of Directors, is a managing member of Amplify GP Partners, LLC, and may be deemed to have voting and investment power with respect to these securities. Amplify GP Partners, LLC and Sunil Dhaliwal disclaims beneficial ownership of the securities except to the extent of his or its pecuniary interest therein."}],"balance_after":0,"derivative":{"underlying":"Class B Common Stock","underlying_shares":522605},"source":{"system":"sec-edgar","filing":"0001209191-19-031840","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1354177/000120919119031840/doc4.xml","form_type":"4"}},{"id":3516554,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":137954,"kind":"person","name":"DHALIWAL SUNIL","position":1,"cik":"0001354177","reported_name":"DHALIWAL SUNIL","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Series D Convertible Preferred Stock","published_at":"2019-05-21T19:04:06.000Z","date":"2019-05-21","kind":"exercise","acquired":false,"shares":15504,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F8","text":"Each share of Series D Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:1 basis immediately upon the closing of the Issuer's initial public offering. The Series D Convertible Preferred Stock has no expiration date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F8","text":"Each share of Series D Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:1 basis immediately upon the closing of the Issuer's initial public offering. The Series D Convertible Preferred Stock has no expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F8","text":"Each share of Series D Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:1 basis immediately upon the closing of the Issuer's initial public offering. The Series D Convertible Preferred Stock has no expiration date."},{"field":"derivative.underlying","element":"underlyingSecurityTitle","label":"F2","text":"Each share of Class B Common Stock will convert automatically into Class A Common Stock upon any transfer except certain \"Permitted Transfers\" described in the Issuer's amended and restated certificate of incorporation. Following the closing of the initial public offering, all outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) the first trading day falling nine months after the date on which the shares of Class B Common Stock represent less than 10% of the aggregate number of outstanding shares of Class A Common Stock and Class B Common Stock, (ii) the date specified by the vote of the holders of Class B Common Stock representing at least a majority of the outstanding shares of Class B Common Stock, or (iii) the first trading day falling ten years after the Effective Time as defined in the Issuer's amended and restated certificate of incorporation."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"These shares are held directly by Amplify Partners, L.P. The sole general partner is Amplify GP Partners, LLC. Sunil Dhaliwal, a member of the Issuer's Board of Directors, is a managing member of Amplify GP Partners, LLC, and may be deemed to have voting and investment power with respect to these securities. Amplify GP Partners, LLC and Sunil Dhaliwal disclaims beneficial ownership of the securities except to the extent of his or its pecuniary interest therein."}],"balance_after":0,"derivative":{"underlying":"Class B Common Stock","underlying_shares":15504},"source":{"system":"sec-edgar","filing":"0001209191-19-031840","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1354177/000120919119031840/doc4.xml","form_type":"4"}},{"id":3516553,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":137954,"kind":"person","name":"DHALIWAL SUNIL","position":1,"cik":"0001354177","reported_name":"DHALIWAL SUNIL","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Series C Convertible Preferred Stock","published_at":"2019-05-21T19:04:06.000Z","date":"2019-05-21","kind":"exercise","acquired":false,"shares":1174315,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F6","text":"Each share of Series C Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:1 basis immediately upon the closing of the Issuer's initial public offering. The Series C Convertible Preferred Stock has no expiration date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"Each share of Series C Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:1 basis immediately upon the closing of the Issuer's initial public offering. The Series C Convertible Preferred Stock has no expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F6","text":"Each share of Series C Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:1 basis immediately upon the closing of the Issuer's initial public offering. The Series C Convertible Preferred Stock has no expiration date."},{"field":"derivative.underlying","element":"underlyingSecurityTitle","label":"F2","text":"Each share of Class B Common Stock will convert automatically into Class A Common Stock upon any transfer except certain \"Permitted Transfers\" described in the Issuer's amended and restated certificate of incorporation. Following the closing of the initial public offering, all outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) the first trading day falling nine months after the date on which the shares of Class B Common Stock represent less than 10% of the aggregate number of outstanding shares of Class A Common Stock and Class B Common Stock, (ii) the date specified by the vote of the holders of Class B Common Stock representing at least a majority of the outstanding shares of Class B Common Stock, or (iii) the first trading day falling ten years after the Effective Time as defined in the Issuer's amended and restated certificate of incorporation."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F7","text":"These shares are held directly by AP Opportunity Fund LLC. The sole general partner is Amplify GP Partners, LLC. Sunil Dhaliwal, a member of the Issuer's Board of Directors, is a managing member of Amplify GP Partners, LLC, and may be deemed to have voting and investment power with respect to these securities. Amplify GP Partners, LLC and Sunil Dhaliwal disclaims beneficial ownership of the securities except to the extent of his or its pecuniary interest therein."}],"balance_after":0,"derivative":{"underlying":"Class B Common Stock","underlying_shares":1174315},"source":{"system":"sec-edgar","filing":"0001209191-19-031840","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1354177/000120919119031840/doc4.xml","form_type":"4"}},{"id":3516552,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":137954,"kind":"person","name":"DHALIWAL SUNIL","position":1,"cik":"0001354177","reported_name":"DHALIWAL SUNIL","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Series C Convertible Preferred Stock","published_at":"2019-05-21T19:04:06.000Z","date":"2019-05-21","kind":"exercise","acquired":false,"shares":704589,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F6","text":"Each share of Series C Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:1 basis immediately upon the closing of the Issuer's initial public offering. The Series C Convertible Preferred Stock has no expiration date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"Each share of Series C Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:1 basis immediately upon the closing of the Issuer's initial public offering. The Series C Convertible Preferred Stock has no expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F6","text":"Each share of Series C Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:1 basis immediately upon the closing of the Issuer's initial public offering. The Series C Convertible Preferred Stock has no expiration date."},{"field":"derivative.underlying","element":"underlyingSecurityTitle","label":"F2","text":"Each share of Class B Common Stock will convert automatically into Class A Common Stock upon any transfer except certain \"Permitted Transfers\" described in the Issuer's amended and restated certificate of incorporation. Following the closing of the initial public offering, all outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) the first trading day falling nine months after the date on which the shares of Class B Common Stock represent less than 10% of the aggregate number of outstanding shares of Class A Common Stock and Class B Common Stock, (ii) the date specified by the vote of the holders of Class B Common Stock representing at least a majority of the outstanding shares of Class B Common Stock, or (iii) the first trading day falling ten years after the Effective Time as defined in the Issuer's amended and restated certificate of incorporation."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"These shares are held directly by Amplify Partners, L.P. The sole general partner is Amplify GP Partners, LLC. Sunil Dhaliwal, a member of the Issuer's Board of Directors, is a managing member of Amplify GP Partners, LLC, and may be deemed to have voting and investment power with respect to these securities. Amplify GP Partners, LLC and Sunil Dhaliwal disclaims beneficial ownership of the securities except to the extent of his or its pecuniary interest therein."}],"balance_after":0,"derivative":{"underlying":"Class B Common Stock","underlying_shares":704589},"source":{"system":"sec-edgar","filing":"0001209191-19-031840","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1354177/000120919119031840/doc4.xml","form_type":"4"}},{"id":3516551,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":137954,"kind":"person","name":"DHALIWAL SUNIL","position":1,"cik":"0001354177","reported_name":"DHALIWAL SUNIL","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Series B Convertible Preferred Stock","published_at":"2019-05-21T19:04:06.000Z","date":"2019-05-21","kind":"exercise","acquired":false,"shares":777632,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"Each share of Series B Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:1 basis immediately upon the closing of the Issuer's initial public offering. The Series B Convertible Preferred Stock has no expiration date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"Each share of Series B Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:1 basis immediately upon the closing of the Issuer's initial public offering. The Series B Convertible Preferred Stock has no expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"Each share of Series B Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:1 basis immediately upon the closing of the Issuer's initial public offering. The Series B Convertible Preferred Stock has no expiration date."},{"field":"derivative.underlying","element":"underlyingSecurityTitle","label":"F2","text":"Each share of Class B Common Stock will convert automatically into Class A Common Stock upon any transfer except certain \"Permitted Transfers\" described in the Issuer's amended and restated certificate of incorporation. Following the closing of the initial public offering, all outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) the first trading day falling nine months after the date on which the shares of Class B Common Stock represent less than 10% of the aggregate number of outstanding shares of Class A Common Stock and Class B Common Stock, (ii) the date specified by the vote of the holders of Class B Common Stock representing at least a majority of the outstanding shares of Class B Common Stock, or (iii) the first trading day falling ten years after the Effective Time as defined in the Issuer's amended and restated certificate of incorporation."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"These shares are held directly by Amplify Partners, L.P. The sole general partner is Amplify GP Partners, LLC. Sunil Dhaliwal, a member of the Issuer's Board of Directors, is a managing member of Amplify GP Partners, LLC, and may be deemed to have voting and investment power with respect to these securities. Amplify GP Partners, LLC and Sunil Dhaliwal disclaims beneficial ownership of the securities except to the extent of his or its pecuniary interest therein."}],"balance_after":0,"derivative":{"underlying":"Class B Common Stock","underlying_shares":777632},"source":{"system":"sec-edgar","filing":"0001209191-19-031840","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1354177/000120919119031840/doc4.xml","form_type":"4"}},{"id":3516550,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":137954,"kind":"person","name":"DHALIWAL SUNIL","position":1,"cik":"0001354177","reported_name":"DHALIWAL SUNIL","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Series A Convertible Preferred Stock","published_at":"2019-05-21T19:04:06.000Z","date":"2019-05-21","kind":"exercise","acquired":false,"shares":1101420,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","text":"Each share of Series A Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:1 basis immediately upon the closing of the Issuer's initial public offering. The Series A Convertible Preferred Stock has no expiration date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"Each share of Series A Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:1 basis immediately upon the closing of the Issuer's initial public offering. The Series A Convertible Preferred Stock has no expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"Each share of Series A Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:1 basis immediately upon the closing of the Issuer's initial public offering. The Series A Convertible Preferred Stock has no expiration date."},{"field":"derivative.underlying","element":"underlyingSecurityTitle","label":"F2","text":"Each share of Class B Common Stock will convert automatically into Class A Common Stock upon any transfer except certain \"Permitted Transfers\" described in the Issuer's amended and restated certificate of incorporation. Following the closing of the initial public offering, all outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) the first trading day falling nine months after the date on which the shares of Class B Common Stock represent less than 10% of the aggregate number of outstanding shares of Class A Common Stock and Class B Common Stock, (ii) the date specified by the vote of the holders of Class B Common Stock representing at least a majority of the outstanding shares of Class B Common Stock, or (iii) the first trading day falling ten years after the Effective Time as defined in the Issuer's amended and restated certificate of incorporation."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"These shares are held directly by Amplify Partners, L.P. The sole general partner is Amplify GP Partners, LLC. Sunil Dhaliwal, a member of the Issuer's Board of Directors, is a managing member of Amplify GP Partners, LLC, and may be deemed to have voting and investment power with respect to these securities. Amplify GP Partners, LLC and Sunil Dhaliwal disclaims beneficial ownership of the securities except to the extent of his or its pecuniary interest therein."}],"balance_after":0,"derivative":{"underlying":"Class B Common Stock","underlying_shares":1101420},"source":{"system":"sec-edgar","filing":"0001209191-19-031840","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1354177/000120919119031840/doc4.xml","form_type":"4"}},{"id":3516549,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":137954,"kind":"person","name":"DHALIWAL SUNIL","position":1,"cik":"0001354177","reported_name":"DHALIWAL SUNIL","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Series Seed Convertible Preferred Stock","published_at":"2019-05-21T19:04:06.000Z","date":"2019-05-21","kind":"exercise","acquired":false,"shares":3405502,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each share of Series Seed Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:1 basis immediately upon the closing of the Issuer's initial public offering. The Series Seed Convertible Preferred Stock has no expiration date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Each share of Series Seed Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:1 basis immediately upon the closing of the Issuer's initial public offering. The Series Seed Convertible Preferred Stock has no expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Each share of Series Seed Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:1 basis immediately upon the closing of the Issuer's initial public offering. The Series Seed Convertible Preferred Stock has no expiration date."},{"field":"derivative.underlying","element":"underlyingSecurityTitle","label":"F2","text":"Each share of Class B Common Stock will convert automatically into Class A Common Stock upon any transfer except certain \"Permitted Transfers\" described in the Issuer's amended and restated certificate of incorporation. Following the closing of the initial public offering, all outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) the first trading day falling nine months after the date on which the shares of Class B Common Stock represent less than 10% of the aggregate number of outstanding shares of Class A Common Stock and Class B Common Stock, (ii) the date specified by the vote of the holders of Class B Common Stock representing at least a majority of the outstanding shares of Class B Common Stock, or (iii) the first trading day falling ten years after the Effective Time as defined in the Issuer's amended and restated certificate of incorporation."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"These shares are held directly by Amplify Partners, L.P. The sole general partner is Amplify GP Partners, LLC. Sunil Dhaliwal, a member of the Issuer's Board of Directors, is a managing member of Amplify GP Partners, LLC, and may be deemed to have voting and investment power with respect to these securities. Amplify GP Partners, LLC and Sunil Dhaliwal disclaims beneficial ownership of the securities except to the extent of his or its pecuniary interest therein."}],"balance_after":0,"derivative":{"underlying":"Class B Common Stock","underlying_shares":3405502},"source":{"system":"sec-edgar","filing":"0001209191-19-031840","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1354177/000120919119031840/doc4.xml","form_type":"4"}}]}