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These shares were sold in multiple transactions at prices ranging from $28.22 to $28.65, inclusive."}],"balance_after":566552,"source":{"system":"sec-edgar","filing":"0001517413-22-000024","document":"wf-form4_164513664313341.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1769489/000151741322000024/wf-form4_164513664313341.xml","form_type":"4"}},{"id":2396057,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":130314,"kind":"person","name":"Luongo Paul","position":1,"cik":"0001769489","reported_name":"Luongo Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common Stock","published_at":"2022-02-15T19:12:10.000Z","date":"2022-02-11","kind":"grant","acquired":true,"shares":46159,"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. 100% of the RSUs are initially subject to vesting. One-sixteenth (6.25%) of the total RSUs will vest on May 15, 2022 and the remainder will vest in 15 equal quarterly installments (August, November, February and May) of one-sixteenth thereafter (6.25% of the total RSUs will vest per quarter), in each case subject to the Reporting Person's continued service with the Issuer through each applicable vesting date."}],"balance_after":571769,"source":{"system":"sec-edgar","filing":"0001517413-22-000015","document":"wf-form4_164497030578070.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1769489/000151741322000015/wf-form4_164497030578070.xml","form_type":"4"}},{"id":2505791,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":130314,"kind":"person","name":"Luongo Paul","position":1,"cik":"0001769489","reported_name":"Luongo Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common Stock","published_at":"2021-11-18T17:14:07.000Z","date":"2021-11-16","kind":"sale","acquired":false,"shares":7154,"price":48.67,"value":348185.18,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Shares sold to satisfy tax obligations in connection with the vesting of previously granted Restricted Stock Units."},{"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 $48.67 to $49.06, inclusive."}],"balance_after":525610,"source":{"system":"sec-edgar","filing":"0001517413-21-000205","document":"wf-form4_163727363228622.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1769489/000151741321000205/wf-form4_163727363228622.xml","form_type":"4"}},{"id":2596853,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":130314,"kind":"person","name":"Luongo Paul","position":1,"cik":"0001769489","reported_name":"Luongo Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common 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of the Reporting Person on each vesting date."}],"balance_after":43473,"derivative":{"exercise_price":7.5,"expiration_date":"2028-12-19","underlying":"Class A Common Stock","underlying_shares":43743},"source":{"system":"sec-edgar","filing":"0001209191-21-046380","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1769489/000120919121046380/doc4.xml","form_type":"4"}},{"id":2636570,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":130314,"kind":"person","name":"Luongo Paul","position":1,"cik":"0001769489","reported_name":"Luongo Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Employee Stock Option (Right to 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shares of Class B Common Stock represented less than 10% of the aggregate number of shares of the then outstanding Class A Common Stock and Class B Common Stock. As a result, each share of the Issuer's Class B Common Stock automatically converted into one share of Class A Common Stock pursuant to the Issuer's amended and restated certificate of incorporation, as amended, on July 12, 2021."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"On October 12, 2020, the Issuer's outstanding shares of Class B Common Stock represented less than 10% of the aggregate number of shares of the then outstanding Class A Common Stock and Class B Common Stock. As a result, each share of the Issuer's Class B Common Stock automatically converted into one share of Class A Common Stock pursuant to the Issuer's amended and restated certificate of incorporation, as amended, on July 12, 2021."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"On October 12, 2020, the Issuer's outstanding shares of Class B Common Stock represented less than 10% of the aggregate number of shares of the then outstanding Class A Common Stock and Class B Common Stock. As a result, each share of the Issuer's Class B Common Stock automatically converted into one share of Class A Common Stock pursuant to the Issuer's amended and restated certificate of incorporation, as amended, on July 12, 2021."}],"balance_after":0,"derivative":{"underlying":"Class A Common Stock","underlying_shares":292130},"source":{"system":"sec-edgar","filing":"0001209191-21-046380","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1769489/000120919121046380/doc4.xml","form_type":"4"}},{"id":2636568,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":130314,"kind":"person","name":"Luongo Paul","position":1,"cik":"0001769489","reported_name":"Luongo Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common Stock","published_at":"2021-07-12T21:18:34.000Z","date":"2021-07-12","kind":"exercise","acquired":true,"shares":292130,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"On October 12, 2020, the Issuer's outstanding shares of Class B Common Stock represented less than 10% of the aggregate number of shares of the then outstanding Class A Common Stock and Class B Common Stock. As a result, each share of the Issuer's Class B Common Stock automatically converted into one share of Class A Common Stock pursuant to the Issuer's amended and restated certificate of incorporation, as amended, on July 12, 2021."}],"balance_after":541391,"source":{"system":"sec-edgar","filing":"0001209191-21-046380","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1769489/000120919121046380/doc4.xml","form_type":"4"}},{"id":2704277,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":130314,"kind":"person","name":"Luongo Paul","position":1,"cik":"0001769489","reported_name":"Luongo Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common Stock","published_at":"2021-05-20T18:10:17.000Z","date":"2021-05-18","kind":"sale","acquired":false,"shares":5854,"price":43.13,"value":252483.02,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Shares sold to satisfy tax obligations in connection with the vesting of previously granted Restricted Stock Units."}],"balance_after":249261,"source":{"system":"sec-edgar","filing":"0001517413-21-000079","document":"wf-form4_162154860223174.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1769489/000151741321000079/wf-form4_162154860223174.xml","form_type":"4"}},{"id":2747788,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":130314,"kind":"person","name":"Luongo Paul","position":1,"cik":"0001769489","reported_name":"Luongo Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class B Common Stock","published_at":"2021-04-16T20:27:46.000Z","date":"2021-04-14","kind":"exercise","acquired":false,"shares":2084,"price":0,"value":0.0,"ownership":{"direct":true},"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 (a) the death of the Reporting Person, or (b) 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":"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 (a) the death of the Reporting Person, or (b) 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":"F5","text":"Each share of Class B Common Stock will convert automatically into Class A Common Stock upon (a) the death of the Reporting Person, or (b) 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."}],"balance_after":292130,"derivative":{"underlying":"Class A Common Stock","underlying_shares":2084},"source":{"system":"sec-edgar","filing":"0001517413-21-000052","document":"wf-form4_161861924738727.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1769489/000151741321000052/wf-form4_161861924738727.xml","form_type":"4"}},{"id":2747787,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":130314,"kind":"person","name":"Luongo Paul","position":1,"cik":"0001769489","reported_name":"Luongo Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class B Common Stock","published_at":"2021-04-16T20:27:46.000Z","date":"2021-04-14","kind":"exercise","acquired":true,"shares":2084,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"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 (a) the death of the Reporting Person, or (b) 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":"F5","text":"Each share of Class B Common Stock will convert automatically into Class A Common Stock upon (a) the death of the Reporting Person, or (b) 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."}],"balance_after":294214,"derivative":{"exercise_price":7.5,"underlying":"Class A Common Stock","underlying_shares":2084},"source":{"system":"sec-edgar","filing":"0001517413-21-000052","document":"wf-form4_161861924738727.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1769489/000151741321000052/wf-form4_161861924738727.xml","form_type":"4"}},{"id":2747786,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":130314,"kind":"person","name":"Luongo Paul","position":1,"cik":"0001769489","reported_name":"Luongo Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Employee Stock Option (Right to Buy)","published_at":"2021-04-16T20:27:46.000Z","date":"2021-04-14","kind":"exercise","acquired":false,"shares":2084,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"1/48th of the stock option vested and became exercisable on January 19, 2019, and thereafter vested as to 1/48th of the shares in equal monthly installments, until such time as the option is 100% vested, subject to the continuing employment of the Reporting Person on each vesting date."}],"balance_after":43743,"derivative":{"exercise_price":7.5,"expiration_date":"2028-12-19","underlying":"Class B Common Stock","underlying_shares":2084},"source":{"system":"sec-edgar","filing":"0001517413-21-000052","document":"wf-form4_161861924738727.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1769489/000151741321000052/wf-form4_161861924738727.xml","form_type":"4"}},{"id":2747785,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":130314,"kind":"person","name":"Luongo Paul","position":1,"cik":"0001769489","reported_name":"Luongo Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common Stock","published_at":"2021-04-16T20:27:46.000Z","date":"2021-04-14","kind":"sale","acquired":false,"shares":6284,"price":75,"value":471300.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."},{"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 $75.00 to $75.02. 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 set forth in footnote (3) of this Form 4."}],"balance_after":255115,"source":{"system":"sec-edgar","filing":"0001517413-21-000052","document":"wf-form4_161861924738727.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1769489/000151741321000052/wf-form4_161861924738727.xml","form_type":"4"}},{"id":2747784,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":130314,"kind":"person","name":"Luongo Paul","position":1,"cik":"0001769489","reported_name":"Luongo Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common Stock","published_at":"2021-04-16T20:27:46.000Z","date":"2021-04-14","kind":"exercise","acquired":true,"shares":2084,"price":0,"value":0.0,"ownership":{"direct":true},"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."}],"balance_after":261399,"source":{"system":"sec-edgar","filing":"0001517413-21-000052","document":"wf-form4_161861924738727.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1769489/000151741321000052/wf-form4_161861924738727.xml","form_type":"4"}},{"id":2841550,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":130314,"kind":"person","name":"Luongo Paul","position":1,"cik":"0001769489","reported_name":"Luongo Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class B Common Stock","published_at":"2021-02-23T18:03:34.000Z","date":"2021-02-19","kind":"exercise","acquired":false,"shares":2084,"price":0,"value":0.0,"ownership":{"direct":true},"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 (a) the death of the Reporting Person, or (b) 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":"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":"F7","text":"Each share of Class B Common Stock will convert automatically into Class A Common Stock upon (a) the death of the Reporting Person, or (b) 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":"F7","text":"Each share of Class B Common Stock will convert automatically into Class A Common Stock upon (a) the death of the Reporting Person, or (b) 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."}],"balance_after":292130,"derivative":{"underlying":"Class A Common Stock","underlying_shares":2084},"source":{"system":"sec-edgar","filing":"0001517413-21-000023","document":"wf-form4_161412139343822.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1769489/000151741321000023/wf-form4_161412139343822.xml","form_type":"4"}},{"id":2841549,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":130314,"kind":"person","name":"Luongo Paul","position":1,"cik":"0001769489","reported_name":"Luongo Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class B Common Stock","published_at":"2021-02-23T18:03:34.000Z","date":"2021-02-19","kind":"exercise","acquired":true,"shares":2084,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"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 (a) the death of the Reporting Person, or (b) 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":"F7","text":"Each share of Class B Common Stock will convert automatically into Class A Common Stock upon (a) the death of the Reporting Person, or (b) 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."}],"balance_after":294214,"derivative":{"exercise_price":7.5,"underlying":"Class A Common Stock","underlying_shares":2084},"source":{"system":"sec-edgar","filing":"0001517413-21-000023","document":"wf-form4_161412139343822.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1769489/000151741321000023/wf-form4_161412139343822.xml","form_type":"4"}},{"id":2841548,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":130314,"kind":"person","name":"Luongo Paul","position":1,"cik":"0001769489","reported_name":"Luongo Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Employee Stock Option (Right to Buy)","published_at":"2021-02-23T18:03:34.000Z","date":"2021-02-19","kind":"exercise","acquired":false,"shares":2084,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"1/48th of the stock option vested and became exercisable on January 19, 2019, and thereafter vested as to 1/48th of the shares in equal monthly installments, until such time as the option is 100% vested, subject to the continuing employment of the Reporting Person on each vesting date."}],"balance_after":45827,"derivative":{"exercise_price":7.5,"expiration_date":"2028-12-19","underlying":"Class B Common Stock","underlying_shares":2084},"source":{"system":"sec-edgar","filing":"0001517413-21-000023","document":"wf-form4_161412139343822.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1769489/000151741321000023/wf-form4_161412139343822.xml","form_type":"4"}},{"id":2841547,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":130314,"kind":"person","name":"Luongo Paul","position":1,"cik":"0001769489","reported_name":"Luongo Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common Stock","published_at":"2021-02-23T18:03:34.000Z","date":"2021-02-19","kind":"sale","acquired":false,"shares":400,"price":82.23,"value":32892.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $82.04 to $82.76, inclusive."}],"balance_after":259315,"source":{"system":"sec-edgar","filing":"0001517413-21-000023","document":"wf-form4_161412139343822.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1769489/000151741321000023/wf-form4_161412139343822.xml","form_type":"4"}},{"id":2841546,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":130314,"kind":"person","name":"Luongo Paul","position":1,"cik":"0001769489","reported_name":"Luongo Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common Stock","published_at":"2021-02-23T18:03:34.000Z","date":"2021-02-19","kind":"sale","acquired":false,"shares":3500,"price":81.32,"value":284620.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."},{"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 $81.04 to $81.90, inclusive."}],"balance_after":259715,"source":{"system":"sec-edgar","filing":"0001517413-21-000023","document":"wf-form4_161412139343822.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1769489/000151741321000023/wf-form4_161412139343822.xml","form_type":"4"}},{"id":2841545,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":130314,"kind":"person","name":"Luongo Paul","position":1,"cik":"0001769489","reported_name":"Luongo Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common Stock","published_at":"2021-02-23T18:03:34.000Z","date":"2021-02-19","kind":"sale","acquired":false,"shares":9233,"price":80.53,"value":743533.49,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."},{"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 $80.03 to $81.02. 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 set forth in footnotes (3) through (5) of this Form 4."}],"balance_after":263215,"source":{"system":"sec-edgar","filing":"0001517413-21-000023","document":"wf-form4_161412139343822.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1769489/000151741321000023/wf-form4_161412139343822.xml","form_type":"4"}},{"id":2841544,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":130314,"kind":"person","name":"Luongo Paul","position":1,"cik":"0001769489","reported_name":"Luongo Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common Stock","published_at":"2021-02-23T18:03:34.000Z","date":"2021-02-19","kind":"exercise","acquired":true,"shares":2084,"price":0,"value":0.0,"ownership":{"direct":true},"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."}],"balance_after":272448,"source":{"system":"sec-edgar","filing":"0001517413-21-000023","document":"wf-form4_161412139343822.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1769489/000151741321000023/wf-form4_161412139343822.xml","form_type":"4"}},{"id":2847856,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":130314,"kind":"person","name":"Luongo Paul","position":1,"cik":"0001769489","reported_name":"Luongo Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common Stock","published_at":"2021-02-19T17:19:33.000Z","date":"2021-02-17","kind":"sale","acquired":false,"shares":7857,"price":94.4,"value":741700.8,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Shares sold to satisfy tax obligations in connection with the vesting of previously granted Restricted Stock Units."}],"balance_after":270364,"source":{"system":"sec-edgar","filing":"0001517413-21-000016","document":"wf-form4_161377315548675.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1769489/000151741321000016/wf-form4_161377315548675.xml","form_type":"4"}},{"id":2856781,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":130314,"kind":"person","name":"Luongo Paul","position":1,"cik":"0001769489","reported_name":"Luongo Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common Stock","published_at":"2021-02-17T16:59:21.000Z","date":"2021-02-14","kind":"grant","acquired":true,"shares":7329,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"The shares are represented by RSUs. Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock upon settlement. 100% of the RSUs are initially subject to vesting. 50% of the total RSUs vest on August 15, 2021, 25% of the total shares vest on November 15, 2021 and 25% of the total shares vest on February 15, 2022, in each case subject to the Reporting Person's continued service with the Issuer through each applicable vesting date."}],"balance_after":278221,"source":{"system":"sec-edgar","filing":"0001209191-21-011333","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1769489/000120919121011333/doc4.xml","form_type":"4"}},{"id":2856780,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":130314,"kind":"person","name":"Luongo Paul","position":1,"cik":"0001769489","reported_name":"Luongo Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common Stock","published_at":"2021-02-17T16:59:21.000Z","date":"2021-02-14","kind":"grant","acquired":true,"shares":17801,"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. 100% of the RSUs are initially subject to vesting.  12.5% of the total RSUs vest on August 15, 2021, with the remainder vesting in 14 equal quarterly installments (November, February, May and August) of 6.25% thereafter, in each case subject to the Reporting Person's continued service with the Issuer through each applicable vesting date."}],"balance_after":270892,"source":{"system":"sec-edgar","filing":"0001209191-21-011333","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1769489/000120919121011333/doc4.xml","form_type":"4"}},{"id":2894234,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":130314,"kind":"person","name":"Luongo Paul","position":1,"cik":"0001769489","reported_name":"Luongo Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class B Common Stock","published_at":"2021-01-27T19:03:29.000Z","date":"2021-01-25","kind":"exercise","acquired":false,"shares":2083,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F11","text":"Each share of Class B Common Stock will convert automatically into Class A Common Stock upon (a) the death of the Reporting Person, or (b) 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":"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":"F11","text":"Each share of Class B Common Stock will convert automatically into Class A Common Stock upon (a) the death of the Reporting Person, or (b) 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":"F11","text":"Each share of Class B Common Stock will convert automatically into Class A Common Stock upon (a) the death of the Reporting Person, or (b) 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."}],"balance_after":292130,"derivative":{"underlying":"Class A Common Stock","underlying_shares":2083},"source":{"system":"sec-edgar","filing":"0001517413-21-000002","document":"wf-form4_161179219085504.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":12,"url":"https://www.sec.gov/Archives/edgar/data/1769489/000151741321000002/wf-form4_161179219085504.xml","form_type":"4"}},{"id":2894233,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":130314,"kind":"person","name":"Luongo Paul","position":1,"cik":"0001769489","reported_name":"Luongo Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class B Common Stock","published_at":"2021-01-27T19:03:29.000Z","date":"2021-01-25","kind":"exercise","acquired":true,"shares":2083,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F11","text":"Each share of Class B Common Stock will convert automatically into Class A Common Stock upon (a) the death of the Reporting Person, or (b) 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":"F11","text":"Each share of Class B Common Stock will convert automatically into Class A Common Stock upon (a) the death of the Reporting Person, or (b) 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."}],"balance_after":294213,"derivative":{"exercise_price":7.5,"underlying":"Class A Common Stock","underlying_shares":2083},"source":{"system":"sec-edgar","filing":"0001517413-21-000002","document":"wf-form4_161179219085504.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":11,"url":"https://www.sec.gov/Archives/edgar/data/1769489/000151741321000002/wf-form4_161179219085504.xml","form_type":"4"}},{"id":2894232,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":130314,"kind":"person","name":"Luongo Paul","position":1,"cik":"0001769489","reported_name":"Luongo Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Employee Stock Option (Right to Buy)","published_at":"2021-01-27T19:03:29.000Z","date":"2021-01-25","kind":"exercise","acquired":false,"shares":2083,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F10","text":"1/48th of the stock option vested and became exercisable on January 19, 2019, and thereafter vested as to 1/48th of the shares in equal monthly installments, until such time as the option is 100% vested, subject to the continuing employment of the Reporting Person on each vesting date."}],"balance_after":47911,"derivative":{"exercise_price":7.5,"expiration_date":"2028-12-19","underlying":"Class B Common Stock","underlying_shares":2083},"source":{"system":"sec-edgar","filing":"0001517413-21-000002","document":"wf-form4_161179219085504.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":10,"url":"https://www.sec.gov/Archives/edgar/data/1769489/000151741321000002/wf-form4_161179219085504.xml","form_type":"4"}},{"id":2894231,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":130314,"kind":"person","name":"Luongo Paul","position":1,"cik":"0001769489","reported_name":"Luongo Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common Stock","published_at":"2021-01-27T19:03:29.000Z","date":"2021-01-25","kind":"sale","acquired":false,"shares":50,"price":110.24,"value":5512.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."}],"balance_after":253091,"source":{"system":"sec-edgar","filing":"0001517413-21-000002","document":"wf-form4_161179219085504.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1769489/000151741321000002/wf-form4_161179219085504.xml","form_type":"4"}},{"id":2894230,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":130314,"kind":"person","name":"Luongo Paul","position":1,"cik":"0001769489","reported_name":"Luongo Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common Stock","published_at":"2021-01-27T19:03:29.000Z","date":"2021-01-25","kind":"sale","acquired":false,"shares":300,"price":109.42,"value":32826.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."},{"field":"price","element":"transactionPricePerShare","label":"F9","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $108.80 to $109.79, inclusive."}],"balance_after":253141,"source":{"system":"sec-edgar","filing":"0001517413-21-000002","document":"wf-form4_161179219085504.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1769489/000151741321000002/wf-form4_161179219085504.xml","form_type":"4"}},{"id":2894229,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":130314,"kind":"person","name":"Luongo Paul","position":1,"cik":"0001769489","reported_name":"Luongo Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common Stock","published_at":"2021-01-27T19:03:29.000Z","date":"2021-01-25","kind":"sale","acquired":false,"shares":250,"price":108.22,"value":27055.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."},{"field":"price","element":"transactionPricePerShare","label":"F8","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $107.75 to $108.70, inclusive."}],"balance_after":253441,"source":{"system":"sec-edgar","filing":"0001517413-21-000002","document":"wf-form4_161179219085504.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1769489/000151741321000002/wf-form4_161179219085504.xml","form_type":"4"}},{"id":2894228,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":130314,"kind":"person","name":"Luongo Paul","position":1,"cik":"0001769489","reported_name":"Luongo Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common Stock","published_at":"2021-01-27T19:03:29.000Z","date":"2021-01-25","kind":"sale","acquired":false,"shares":217,"price":107.34,"value":23292.78,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."},{"field":"price","element":"transactionPricePerShare","label":"F7","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $106.75 to $107.69, inclusive."}],"balance_after":253691,"source":{"system":"sec-edgar","filing":"0001517413-21-000002","document":"wf-form4_161179219085504.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1769489/000151741321000002/wf-form4_161179219085504.xml","form_type":"4"}},{"id":2894227,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":130314,"kind":"person","name":"Luongo Paul","position":1,"cik":"0001769489","reported_name":"Luongo Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common Stock","published_at":"2021-01-27T19:03:29.000Z","date":"2021-01-25","kind":"sale","acquired":false,"shares":415,"price":106.17,"value":44060.55,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $105.67 to $106.55, inclusive."}],"balance_after":253908,"source":{"system":"sec-edgar","filing":"0001517413-21-000002","document":"wf-form4_161179219085504.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1769489/000151741321000002/wf-form4_161179219085504.xml","form_type":"4"}},{"id":2894226,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":130314,"kind":"person","name":"Luongo Paul","position":1,"cik":"0001769489","reported_name":"Luongo Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common Stock","published_at":"2021-01-27T19:03:29.000Z","date":"2021-01-25","kind":"sale","acquired":false,"shares":551,"price":104.94,"value":57821.94,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $104.61 to $105.38, inclusive."}],"balance_after":254323,"source":{"system":"sec-edgar","filing":"0001517413-21-000002","document":"wf-form4_161179219085504.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1769489/000151741321000002/wf-form4_161179219085504.xml","form_type":"4"}},{"id":2894225,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":130314,"kind":"person","name":"Luongo Paul","position":1,"cik":"0001769489","reported_name":"Luongo Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common Stock","published_at":"2021-01-27T19:03:29.000Z","date":"2021-01-25","kind":"sale","acquired":false,"shares":250,"price":104.11,"value":26027.5,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."},{"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 $103.60 to $104.50, inclusive."}],"balance_after":254874,"source":{"system":"sec-edgar","filing":"0001517413-21-000002","document":"wf-form4_161179219085504.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1769489/000151741321000002/wf-form4_161179219085504.xml","form_type":"4"}},{"id":2894224,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":130314,"kind":"person","name":"Luongo Paul","position":1,"cik":"0001769489","reported_name":"Luongo Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common Stock","published_at":"2021-01-27T19:03:29.000Z","date":"2021-01-25","kind":"sale","acquired":false,"shares":50,"price":102.06,"value":5103.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."},{"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 $101.96 to $102.06. 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 set forth in footnotes (3) through (9) of this Form 4."}],"balance_after":255124,"source":{"system":"sec-edgar","filing":"0001517413-21-000002","document":"wf-form4_161179219085504.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1769489/000151741321000002/wf-form4_161179219085504.xml","form_type":"4"}},{"id":2894223,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":130314,"kind":"person","name":"Luongo Paul","position":1,"cik":"0001769489","reported_name":"Luongo Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common Stock","published_at":"2021-01-27T19:03:29.000Z","date":"2021-01-25","kind":"exercise","acquired":true,"shares":2083,"price":0,"value":0.0,"ownership":{"direct":true},"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."}],"balance_after":255174,"source":{"system":"sec-edgar","filing":"0001517413-21-000002","document":"wf-form4_161179219085504.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1769489/000151741321000002/wf-form4_161179219085504.xml","form_type":"4"}},{"id":2930560,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":130314,"kind":"person","name":"Luongo Paul","position":1,"cik":"0001769489","reported_name":"Luongo Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class B Common Stock","published_at":"2020-12-29T16:42:41.000Z","date":"2020-12-24","kind":"exercise","acquired":false,"shares":2084,"price":0,"value":0.0,"ownership":{"direct":true},"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 (a) the death of the Reporting Person, or (b) 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":"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":"F8","text":"Each share of Class B Common Stock will convert automatically into Class A Common Stock upon (a) the death of the Reporting Person, or (b) 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":"F8","text":"Each share of Class B Common Stock will convert automatically into Class A Common Stock upon (a) the death of the Reporting Person, or (b) 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."}],"balance_after":292130,"derivative":{"underlying":"Class A Common Stock","underlying_shares":2084},"source":{"system":"sec-edgar","filing":"0001517413-20-000283","document":"wf-form4_160927799901598.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1769489/000151741320000283/wf-form4_160927799901598.xml","form_type":"4"}},{"id":2930559,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":130314,"kind":"person","name":"Luongo Paul","position":1,"cik":"0001769489","reported_name":"Luongo Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class B Common Stock","published_at":"2020-12-29T16:42:41.000Z","date":"2020-12-24","kind":"exercise","acquired":true,"shares":2084,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"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 (a) the death of the Reporting Person, or (b) 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":"F8","text":"Each share of Class B Common Stock will convert automatically into Class A Common Stock upon (a) the death of the Reporting Person, or (b) 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."}],"balance_after":294214,"derivative":{"exercise_price":7.5,"underlying":"Class A Common Stock","underlying_shares":2084},"source":{"system":"sec-edgar","filing":"0001517413-20-000283","document":"wf-form4_160927799901598.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1769489/000151741320000283/wf-form4_160927799901598.xml","form_type":"4"}},{"id":2930558,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":130314,"kind":"person","name":"Luongo Paul","position":1,"cik":"0001769489","reported_name":"Luongo Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Employee Stock Option (Right to Buy)","published_at":"2020-12-29T16:42:41.000Z","date":"2020-12-24","kind":"exercise","acquired":false,"shares":2084,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F7","text":"1/48th of the stock option vested and became exercisable on January 19, 2019, and thereafter vested as to 1/48th of the shares in equal monthly installments, until such time as the option is 100% vested, subject to the continuing employment of the Reporting Person on each vesting date."}],"balance_after":49994,"derivative":{"exercise_price":7.5,"expiration_date":"2028-12-19","underlying":"Class B Common Stock","underlying_shares":2084},"source":{"system":"sec-edgar","filing":"0001517413-20-000283","document":"wf-form4_160927799901598.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1769489/000151741320000283/wf-form4_160927799901598.xml","form_type":"4"}},{"id":2930557,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":130314,"kind":"person","name":"Luongo Paul","position":1,"cik":"0001769489","reported_name":"Luongo Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common Stock","published_at":"2020-12-29T16:42:41.000Z","date":"2020-12-24","kind":"sale","acquired":false,"shares":100,"price":102.35,"value":10235.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."}],"balance_after":253091,"source":{"system":"sec-edgar","filing":"0001517413-20-000283","document":"wf-form4_160927799901598.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1769489/000151741320000283/wf-form4_160927799901598.xml","form_type":"4"}},{"id":2930556,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":130314,"kind":"person","name":"Luongo Paul","position":1,"cik":"0001769489","reported_name":"Luongo Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common Stock","published_at":"2020-12-29T16:42:41.000Z","date":"2020-12-24","kind":"sale","acquired":false,"shares":300,"price":101.43,"value":30429.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $101.10 to $101.74, inclusive."}],"balance_after":253191,"source":{"system":"sec-edgar","filing":"0001517413-20-000283","document":"wf-form4_160927799901598.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1769489/000151741320000283/wf-form4_160927799901598.xml","form_type":"4"}},{"id":2930555,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":130314,"kind":"person","name":"Luongo Paul","position":1,"cik":"0001769489","reported_name":"Luongo Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common Stock","published_at":"2020-12-29T16:42:41.000Z","date":"2020-12-24","kind":"sale","acquired":false,"shares":400,"price":100.53,"value":40212.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $100.02 to $100.87, inclusive."}],"balance_after":253491,"source":{"system":"sec-edgar","filing":"0001517413-20-000283","document":"wf-form4_160927799901598.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1769489/000151741320000283/wf-form4_160927799901598.xml","form_type":"4"}},{"id":2930554,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":130314,"kind":"person","name":"Luongo Paul","position":1,"cik":"0001769489","reported_name":"Luongo Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common Stock","published_at":"2020-12-29T16:42:41.000Z","date":"2020-12-24","kind":"sale","acquired":false,"shares":700,"price":98.96,"value":69272.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."},{"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 $98.35 to $99.15, inclusive."}],"balance_after":253891,"source":{"system":"sec-edgar","filing":"0001517413-20-000283","document":"wf-form4_160927799901598.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1769489/000151741320000283/wf-form4_160927799901598.xml","form_type":"4"}},{"id":2930553,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":130314,"kind":"person","name":"Luongo Paul","position":1,"cik":"0001769489","reported_name":"Luongo Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common Stock","published_at":"2020-12-29T16:42:41.000Z","date":"2020-12-24","kind":"sale","acquired":false,"shares":584,"price":97.58,"value":56986.72,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."},{"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 $97.21 to $98.03. 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 set forth in footnotes (3) through (6) of this Form 4."}],"balance_after":254591,"source":{"system":"sec-edgar","filing":"0001517413-20-000283","document":"wf-form4_160927799901598.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1769489/000151741320000283/wf-form4_160927799901598.xml","form_type":"4"}},{"id":2930552,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":130314,"kind":"person","name":"Luongo Paul","position":1,"cik":"0001769489","reported_name":"Luongo Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common Stock","published_at":"2020-12-29T16:42:41.000Z","date":"2020-12-24","kind":"exercise","acquired":true,"shares":2084,"price":0,"value":0.0,"ownership":{"direct":true},"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."}],"balance_after":255175,"source":{"system":"sec-edgar","filing":"0001517413-20-000283","document":"wf-form4_160927799901598.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1769489/000151741320000283/wf-form4_160927799901598.xml","form_type":"4"}},{"id":2957242,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":130314,"kind":"person","name":"Luongo Paul","position":1,"cik":"0001769489","reported_name":"Luongo Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class B Common Stock","published_at":"2020-12-04T18:03:35.000Z","date":"2020-08-24","kind":"exercise","acquired":false,"shares":2084,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F11","text":"Each share of Class B Common Stock will convert automatically into Class A Common Stock upon (a) the death of the Reporting Person, or (b) 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":"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":"F11","text":"Each share of Class B Common Stock will convert automatically into Class A Common Stock upon (a) the death of the Reporting Person, or (b) 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":"F11","text":"Each share of Class B Common Stock will convert automatically into Class A Common Stock upon (a) the death of the Reporting Person, or (b) 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."}],"balance_after":292130,"derivative":{"underlying":"Class A Common Stock","underlying_shares":2084},"source":{"system":"sec-edgar","filing":"0001517413-20-000281","document":"wf-form4a_160712297833358.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":11,"url":"https://www.sec.gov/Archives/edgar/data/1769489/000151741320000281/wf-form4a_160712297833358.xml","form_type":"4/A","original_submission_date":"2020-08-26"}},{"id":2957241,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":130314,"kind":"person","name":"Luongo Paul","position":1,"cik":"0001769489","reported_name":"Luongo Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class B Common Stock","published_at":"2020-12-04T18:03:35.000Z","date":"2020-08-24","kind":"exercise","acquired":true,"shares":2084,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F11","text":"Each share of Class B Common Stock will convert automatically into Class A Common Stock upon (a) the death of the Reporting Person, or (b) 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":"F11","text":"Each share of Class B Common Stock will convert automatically into Class A Common Stock upon (a) the death of the Reporting Person, or (b) 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."}],"balance_after":294214,"derivative":{"exercise_price":7.5,"underlying":"Class A Common Stock","underlying_shares":2084},"source":{"system":"sec-edgar","filing":"0001517413-20-000281","document":"wf-form4a_160712297833358.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":10,"url":"https://www.sec.gov/Archives/edgar/data/1769489/000151741320000281/wf-form4a_160712297833358.xml","form_type":"4/A","original_submission_date":"2020-08-26"}},{"id":2957240,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":130314,"kind":"person","name":"Luongo Paul","position":1,"cik":"0001769489","reported_name":"Luongo Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Employee Stock Option (Right to Buy)","published_at":"2020-12-04T18:03:35.000Z","date":"2020-08-24","kind":"exercise","acquired":false,"shares":2084,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F10","text":"1/48th of the stock option vested and became exercisable on January 19, 2019, and thereafter vested as to 1/48th of the shares in equal monthly installments, until such time as the option is 100% vested, subject to the continuing employment of the Reporting Person on each vesting date."}],"balance_after":58329,"derivative":{"exercise_price":7.5,"expiration_date":"2028-12-19","underlying":"Class B Common Stock","underlying_shares":2084},"source":{"system":"sec-edgar","filing":"0001517413-20-000281","document":"wf-form4a_160712297833358.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1769489/000151741320000281/wf-form4a_160712297833358.xml","form_type":"4/A","original_submission_date":"2020-08-26"}},{"id":2957239,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":130314,"kind":"person","name":"Luongo Paul","position":1,"cik":"0001769489","reported_name":"Luongo Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common Stock","published_at":"2020-12-04T18:03:35.000Z","date":"2020-08-24","kind":"sale","acquired":false,"shares":159,"price":89.5,"value":14230.5,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."},{"field":"price","element":"transactionPricePerShare","label":"F9","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $89.49 to $89.50, inclusive."}],"balance_after":267924,"source":{"system":"sec-edgar","filing":"0001517413-20-000281","document":"wf-form4a_160712297833358.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1769489/000151741320000281/wf-form4a_160712297833358.xml","form_type":"4/A","original_submission_date":"2020-08-26"}},{"id":2957238,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":130314,"kind":"person","name":"Luongo Paul","position":1,"cik":"0001769489","reported_name":"Luongo Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common Stock","published_at":"2020-12-04T18:03:35.000Z","date":"2020-08-24","kind":"sale","acquired":false,"shares":900,"price":88.92,"value":80028.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."},{"field":"price","element":"transactionPricePerShare","label":"F8","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $88.44 to $89.30, inclusive."}],"balance_after":268083,"source":{"system":"sec-edgar","filing":"0001517413-20-000281","document":"wf-form4a_160712297833358.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1769489/000151741320000281/wf-form4a_160712297833358.xml","form_type":"4/A","original_submission_date":"2020-08-26"}},{"id":2957237,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":130314,"kind":"person","name":"Luongo Paul","position":1,"cik":"0001769489","reported_name":"Luongo Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common Stock","published_at":"2020-12-04T18:03:35.000Z","date":"2020-08-24","kind":"sale","acquired":false,"shares":600,"price":87.44,"value":52464.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."},{"field":"price","element":"transactionPricePerShare","label":"F7","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $86.95 to $87.84, inclusive."}],"balance_after":268983,"source":{"system":"sec-edgar","filing":"0001517413-20-000281","document":"wf-form4a_160712297833358.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1769489/000151741320000281/wf-form4a_160712297833358.xml","form_type":"4/A","original_submission_date":"2020-08-26"}},{"id":2957236,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":130314,"kind":"person","name":"Luongo Paul","position":1,"cik":"0001769489","reported_name":"Luongo Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common Stock","published_at":"2020-12-04T18:03:35.000Z","date":"2020-08-24","kind":"sale","acquired":false,"shares":1110,"price":86.31,"value":95804.1,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $85.86 to $86.71, inclusive."}],"balance_after":269583,"source":{"system":"sec-edgar","filing":"0001517413-20-000281","document":"wf-form4a_160712297833358.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1769489/000151741320000281/wf-form4a_160712297833358.xml","form_type":"4/A","original_submission_date":"2020-08-26"}},{"id":2957235,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":130314,"kind":"person","name":"Luongo Paul","position":1,"cik":"0001769489","reported_name":"Luongo Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common Stock","published_at":"2020-12-04T18:03:35.000Z","date":"2020-08-24","kind":"sale","acquired":false,"shares":1600,"price":85.15,"value":136240.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $84.78 to $85.75, inclusive."}],"balance_after":270693,"source":{"system":"sec-edgar","filing":"0001517413-20-000281","document":"wf-form4a_160712297833358.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1769489/000151741320000281/wf-form4a_160712297833358.xml","form_type":"4/A","original_submission_date":"2020-08-26"}},{"id":2957234,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":130314,"kind":"person","name":"Luongo Paul","position":1,"cik":"0001769489","reported_name":"Luongo Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common Stock","published_at":"2020-12-04T18:03:35.000Z","date":"2020-08-24","kind":"sale","acquired":false,"shares":9082,"price":84.18,"value":764522.76,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."},{"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 $83.77 to $84.74, inclusive."}],"balance_after":272293,"source":{"system":"sec-edgar","filing":"0001517413-20-000281","document":"wf-form4a_160712297833358.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1769489/000151741320000281/wf-form4a_160712297833358.xml","form_type":"4/A","original_submission_date":"2020-08-26"}},{"id":2957233,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":130314,"kind":"person","name":"Luongo Paul","position":1,"cik":"0001769489","reported_name":"Luongo Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common Stock","published_at":"2020-12-04T18:03:35.000Z","date":"2020-08-24","kind":"sale","acquired":false,"shares":2801,"price":83.42,"value":233659.42,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."},{"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 $82.76 to $83.75. 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 set forth in footnotes (3) through (9) to this Form 4."}],"balance_after":281375,"source":{"system":"sec-edgar","filing":"0001517413-20-000281","document":"wf-form4a_160712297833358.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1769489/000151741320000281/wf-form4a_160712297833358.xml","form_type":"4/A","original_submission_date":"2020-08-26"}},{"id":2957232,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":130314,"kind":"person","name":"Luongo Paul","position":1,"cik":"0001769489","reported_name":"Luongo Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common Stock","published_at":"2020-12-04T18:03:35.000Z","date":"2020-08-24","kind":"exercise","acquired":true,"shares":2084,"price":0,"value":0.0,"ownership":{"direct":true},"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."}],"balance_after":284176,"source":{"system":"sec-edgar","filing":"0001517413-20-000281","document":"wf-form4a_160712297833358.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1769489/000151741320000281/wf-form4a_160712297833358.xml","form_type":"4/A","original_submission_date":"2020-08-26"}},{"id":2965533,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":130314,"kind":"person","name":"Luongo Paul","position":1,"cik":"0001769489","reported_name":"Luongo Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class B Common Stock","published_at":"2020-11-27T17:00:46.000Z","date":"2020-11-24","kind":"exercise","acquired":false,"shares":2084,"price":0,"value":0.0,"ownership":{"direct":true},"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 (a) the death of the Reporting Person, or (b) 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":"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":"F7","text":"Each share of Class B Common Stock will convert automatically into Class A Common Stock upon (a) the death of the Reporting Person, or (b) 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":"F7","text":"Each share of Class B Common Stock will convert automatically into Class A Common Stock upon (a) the death of the Reporting Person, or (b) 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."}],"balance_after":292130,"derivative":{"underlying":"Class A Common Stock","underlying_shares":2084},"source":{"system":"sec-edgar","filing":"0001517413-20-000279","document":"wf-form4_160651442386455.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1769489/000151741320000279/wf-form4_160651442386455.xml","form_type":"4"}},{"id":2965532,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":130314,"kind":"person","name":"Luongo Paul","position":1,"cik":"0001769489","reported_name":"Luongo Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class B Common Stock","published_at":"2020-11-27T17:00:46.000Z","date":"2020-11-24","kind":"exercise","acquired":true,"shares":2084,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"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 (a) the death of the Reporting Person, or (b) 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":"F7","text":"Each share of Class B Common Stock will convert automatically into Class A Common Stock upon (a) the death of the Reporting Person, or (b) 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."}],"balance_after":294214,"derivative":{"exercise_price":7.5,"underlying":"Class A Common Stock","underlying_shares":2084},"source":{"system":"sec-edgar","filing":"0001517413-20-000279","document":"wf-form4_160651442386455.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1769489/000151741320000279/wf-form4_160651442386455.xml","form_type":"4"}},{"id":2965531,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":130314,"kind":"person","name":"Luongo Paul","position":1,"cik":"0001769489","reported_name":"Luongo Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Employee Stock Option (Right to Buy)","published_at":"2020-11-27T17:00:46.000Z","date":"2020-11-24","kind":"exercise","acquired":false,"shares":2084,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"1/48th of the stock option vested and became exercisable on January 19, 2019, and thereafter vested as to 1/48th of the shares in equal monthly installments, until such time as the option is 100% vested, subject to the continuing employment of the Reporting Person on each vesting date."}],"balance_after":54162,"derivative":{"exercise_price":7.5,"expiration_date":"2028-12-19","underlying":"Class B Common Stock","underlying_shares":2084},"source":{"system":"sec-edgar","filing":"0001517413-20-000279","document":"wf-form4_160651442386455.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1769489/000151741320000279/wf-form4_160651442386455.xml","form_type":"4"}},{"id":2965530,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":130314,"kind":"person","name":"Luongo Paul","position":1,"cik":"0001769489","reported_name":"Luongo Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common Stock","published_at":"2020-11-27T17:00:46.000Z","date":"2020-11-24","kind":"sale","acquired":false,"shares":700,"price":82.37,"value":57659.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $82.05 to $82.73, inclusive."}],"balance_after":251007,"source":{"system":"sec-edgar","filing":"0001517413-20-000279","document":"wf-form4_160651442386455.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1769489/000151741320000279/wf-form4_160651442386455.xml","form_type":"4"}},{"id":2965529,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":130314,"kind":"person","name":"Luongo Paul","position":1,"cik":"0001769489","reported_name":"Luongo Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common Stock","published_at":"2020-11-27T17:00:46.000Z","date":"2020-11-24","kind":"sale","acquired":false,"shares":4626,"price":81.4,"value":376556.4,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."},{"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 $81.04 to $81.97, inclusive."}],"balance_after":251707,"source":{"system":"sec-edgar","filing":"0001517413-20-000279","document":"wf-form4_160651442386455.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1769489/000151741320000279/wf-form4_160651442386455.xml","form_type":"4"}},{"id":2965528,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":130314,"kind":"person","name":"Luongo Paul","position":1,"cik":"0001769489","reported_name":"Luongo Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common Stock","published_at":"2020-11-27T17:00:46.000Z","date":"2020-11-24","kind":"sale","acquired":false,"shares":2449,"price":80.56,"value":197291.44,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."},{"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 $80.02 to $81.00. 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 set forth in footnotes (3) through (5) of this Form 4."}],"balance_after":256333,"source":{"system":"sec-edgar","filing":"0001517413-20-000279","document":"wf-form4_160651442386455.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1769489/000151741320000279/wf-form4_160651442386455.xml","form_type":"4"}},{"id":2965527,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":130314,"kind":"person","name":"Luongo Paul","position":1,"cik":"0001769489","reported_name":"Luongo Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common Stock","published_at":"2020-11-27T17:00:46.000Z","date":"2020-11-24","kind":"exercise","acquired":true,"shares":2084,"price":0,"value":0.0,"ownership":{"direct":true},"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."}],"balance_after":258782,"source":{"system":"sec-edgar","filing":"0001517413-20-000279","document":"wf-form4_160651442386455.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1769489/000151741320000279/wf-form4_160651442386455.xml","form_type":"4"}},{"id":2973948,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":130314,"kind":"person","name":"Luongo Paul","position":1,"cik":"0001769489","reported_name":"Luongo Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common Stock","published_at":"2020-11-19T19:20:48.000Z","date":"2020-11-17","kind":"sale","acquired":false,"shares":9142,"price":78.58,"value":718378.36,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Shares sold to satisfy tax obligations in connection with the vesting of previously granted Restricted Stock Units."}],"balance_after":256698,"source":{"system":"sec-edgar","filing":"0001517413-20-000277","document":"wf-form4_160583163144333.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1769489/000151741320000277/wf-form4_160583163144333.xml","form_type":"4"}},{"id":2999676,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":130314,"kind":"person","name":"Luongo Paul","position":1,"cik":"0001769489","reported_name":"Luongo Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class B Common Stock","published_at":"2020-10-27T17:17:18.000Z","date":"2020-10-23","kind":"exercise","acquired":false,"shares":2083,"price":0,"value":0.0,"ownership":{"direct":true},"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 (a) the death of the Reporting Person, or (b) 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":"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":"F7","text":"Each share of Class B Common Stock will convert automatically into Class A Common Stock upon (a) the death of the Reporting Person, or (b) 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":"F7","text":"Each share of Class B Common Stock will convert automatically into Class A Common Stock upon (a) the death of the Reporting Person, or (b) 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."}],"balance_after":292130,"derivative":{"underlying":"Class A Common Stock","underlying_shares":2083},"source":{"system":"sec-edgar","filing":"0001517413-20-000246","document":"wf-form4_160383342461035.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1769489/000151741320000246/wf-form4_160383342461035.xml","form_type":"4"}},{"id":2999675,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":130314,"kind":"person","name":"Luongo Paul","position":1,"cik":"0001769489","reported_name":"Luongo Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class B Common Stock","published_at":"2020-10-27T17:17:18.000Z","date":"2020-10-23","kind":"exercise","acquired":true,"shares":2083,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"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 (a) the death of the Reporting Person, or (b) 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":"F7","text":"Each share of Class B Common Stock will convert automatically into Class A Common Stock upon (a) the death of the Reporting Person, or (b) 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."}],"balance_after":294213,"derivative":{"exercise_price":7.5,"underlying":"Class A Common Stock","underlying_shares":2083},"source":{"system":"sec-edgar","filing":"0001517413-20-000246","document":"wf-form4_160383342461035.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1769489/000151741320000246/wf-form4_160383342461035.xml","form_type":"4"}},{"id":2999674,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":130314,"kind":"person","name":"Luongo Paul","position":1,"cik":"0001769489","reported_name":"Luongo Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Employee Stock Option (Right to Buy)","published_at":"2020-10-27T17:17:18.000Z","date":"2020-10-23","kind":"exercise","acquired":false,"shares":2083,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"1/48th of the stock option vested and became exercisable on January 19, 2019, and thereafter vested as to 1/48th of the shares in equal monthly installments, until such time as the option is 100% vested, subject to the continuing employment of the Reporting Person on each vesting date."}],"balance_after":56246,"derivative":{"exercise_price":7.5,"expiration_date":"2028-12-19","underlying":"Class B Common Stock","underlying_shares":2083},"source":{"system":"sec-edgar","filing":"0001517413-20-000246","document":"wf-form4_160383342461035.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1769489/000151741320000246/wf-form4_160383342461035.xml","form_type":"4"}},{"id":2999673,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":130314,"kind":"person","name":"Luongo Paul","position":1,"cik":"0001769489","reported_name":"Luongo Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common Stock","published_at":"2020-10-27T17:17:18.000Z","date":"2020-10-23","kind":"sale","acquired":false,"shares":378,"price":76.31,"value":28845.18,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $76.18 to $76.54, inclusive."}],"balance_after":265840,"source":{"system":"sec-edgar","filing":"0001517413-20-000246","document":"wf-form4_160383342461035.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1769489/000151741320000246/wf-form4_160383342461035.xml","form_type":"4"}},{"id":2999672,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":130314,"kind":"person","name":"Luongo Paul","position":1,"cik":"0001769489","reported_name":"Luongo Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common Stock","published_at":"2020-10-27T17:17:18.000Z","date":"2020-10-23","kind":"sale","acquired":false,"shares":1515,"price":75.68,"value":114655.2,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."},{"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 $75.15 to $76.14, inclusive."}],"balance_after":266218,"source":{"system":"sec-edgar","filing":"0001517413-20-000246","document":"wf-form4_160383342461035.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1769489/000151741320000246/wf-form4_160383342461035.xml","form_type":"4"}},{"id":2999671,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":130314,"kind":"person","name":"Luongo Paul","position":1,"cik":"0001769489","reported_name":"Luongo Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common Stock","published_at":"2020-10-27T17:17:18.000Z","date":"2020-10-23","kind":"sale","acquired":false,"shares":190,"price":73.87,"value":14035.3,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."},{"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 $73.80 to $73.94. 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 set forth in footnotes (3) through (5) of this Form 4."}],"balance_after":267733,"source":{"system":"sec-edgar","filing":"0001517413-20-000246","document":"wf-form4_160383342461035.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1769489/000151741320000246/wf-form4_160383342461035.xml","form_type":"4"}},{"id":2999670,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":130314,"kind":"person","name":"Luongo Paul","position":1,"cik":"0001769489","reported_name":"Luongo Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common Stock","published_at":"2020-10-27T17:17:18.000Z","date":"2020-10-23","kind":"exercise","acquired":true,"shares":2083,"price":0,"value":0.0,"ownership":{"direct":true},"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."}],"balance_after":267923,"source":{"system":"sec-edgar","filing":"0001517413-20-000246","document":"wf-form4_160383342461035.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1769489/000151741320000246/wf-form4_160383342461035.xml","form_type":"4"}},{"id":3022009,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":130314,"kind":"person","name":"Luongo Paul","position":1,"cik":"0001769489","reported_name":"Luongo Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class B Common Stock","published_at":"2020-09-28T18:32:49.000Z","date":"2020-09-24","kind":"exercise","acquired":false,"shares":2084,"price":0,"value":0.0,"ownership":{"direct":true},"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 (a) the death of the Reporting Person, or (b) 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":"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":"F8","text":"Each share of Class B Common Stock will convert automatically into Class A Common Stock upon (a) the death of the Reporting Person, or (b) 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":"F8","text":"Each share of Class B Common Stock will convert automatically into Class A Common Stock upon (a) the death of the Reporting Person, or (b) 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."}],"balance_after":292130,"derivative":{"underlying":"Class A Common Stock","underlying_shares":2084},"source":{"system":"sec-edgar","filing":"0001517413-20-000212","document":"wf-form4_160133235371311.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1769489/000151741320000212/wf-form4_160133235371311.xml","form_type":"4"}},{"id":3022008,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":130314,"kind":"person","name":"Luongo Paul","position":1,"cik":"0001769489","reported_name":"Luongo Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class B Common Stock","published_at":"2020-09-28T18:32:49.000Z","date":"2020-09-24","kind":"exercise","acquired":true,"shares":2084,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"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 (a) the death of the Reporting Person, or (b) 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":"F8","text":"Each share of Class B Common Stock will convert automatically into Class A Common Stock upon (a) the death of the Reporting Person, or (b) 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."}],"balance_after":294214,"derivative":{"exercise_price":7.5,"underlying":"Class A Common Stock","underlying_shares":2084},"source":{"system":"sec-edgar","filing":"0001517413-20-000212","document":"wf-form4_160133235371311.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1769489/000151741320000212/wf-form4_160133235371311.xml","form_type":"4"}},{"id":3022007,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":130314,"kind":"person","name":"Luongo Paul","position":1,"cik":"0001769489","reported_name":"Luongo Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Employee Stock Option (Right to Buy)","published_at":"2020-09-28T18:32:49.000Z","date":"2020-09-24","kind":"exercise","acquired":false,"shares":2084,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F7","text":"1/48th of the stock option vested and became exercisable on January 19, 2019, and thereafter vested as to 1/48th of the shares in equal monthly installments, until such time as the option is 100% vested, subject to the continuing employment of the Reporting Person on each vesting date."}],"balance_after":58329,"derivative":{"exercise_price":7.5,"expiration_date":"2028-12-19","underlying":"Class B Common Stock","underlying_shares":2084},"source":{"system":"sec-edgar","filing":"0001517413-20-000212","document":"wf-form4_160133235371311.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1769489/000151741320000212/wf-form4_160133235371311.xml","form_type":"4"}},{"id":3022006,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":130314,"kind":"person","name":"Luongo Paul","position":1,"cik":"0001769489","reported_name":"Luongo Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common Stock","published_at":"2020-09-28T18:32:49.000Z","date":"2020-09-24","kind":"sale","acquired":false,"shares":300,"price":89.4,"value":26820.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $89.09 to $89.88, inclusive."}],"balance_after":265840,"source":{"system":"sec-edgar","filing":"0001517413-20-000212","document":"wf-form4_160133235371311.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1769489/000151741320000212/wf-form4_160133235371311.xml","form_type":"4"}},{"id":3022005,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":130314,"kind":"person","name":"Luongo Paul","position":1,"cik":"0001769489","reported_name":"Luongo Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common Stock","published_at":"2020-09-28T18:32:49.000Z","date":"2020-09-24","kind":"sale","acquired":false,"shares":742,"price":88.42,"value":65607.64,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $87.93 to $88.91, inclusive."}],"balance_after":266140,"source":{"system":"sec-edgar","filing":"0001517413-20-000212","document":"wf-form4_160133235371311.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1769489/000151741320000212/wf-form4_160133235371311.xml","form_type":"4"}},{"id":3022004,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":130314,"kind":"person","name":"Luongo Paul","position":1,"cik":"0001769489","reported_name":"Luongo Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common Stock","published_at":"2020-09-28T18:32:49.000Z","date":"2020-09-24","kind":"sale","acquired":false,"shares":742,"price":87.39,"value":64843.38,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."},{"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 $86.90 to $87.70, inclusive."}],"balance_after":266882,"source":{"system":"sec-edgar","filing":"0001517413-20-000212","document":"wf-form4_160133235371311.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1769489/000151741320000212/wf-form4_160133235371311.xml","form_type":"4"}},{"id":3022003,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":130314,"kind":"person","name":"Luongo Paul","position":1,"cik":"0001769489","reported_name":"Luongo Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common Stock","published_at":"2020-09-28T18:32:49.000Z","date":"2020-09-24","kind":"sale","acquired":false,"shares":300,"price":86.38,"value":25914.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."},{"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 $85.88 to $86.84. 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 set forth in footnotes (3) through (6) of this Form 4."}],"balance_after":267624,"source":{"system":"sec-edgar","filing":"0001517413-20-000212","document":"wf-form4_160133235371311.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1769489/000151741320000212/wf-form4_160133235371311.xml","form_type":"4"}},{"id":3022002,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":130314,"kind":"person","name":"Luongo Paul","position":1,"cik":"0001769489","reported_name":"Luongo Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common Stock","published_at":"2020-09-28T18:32:49.000Z","date":"2020-09-24","kind":"exercise","acquired":true,"shares":2084,"price":0,"value":0.0,"ownership":{"direct":true},"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."}],"balance_after":267924,"source":{"system":"sec-edgar","filing":"0001517413-20-000212","document":"wf-form4_160133235371311.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1769489/000151741320000212/wf-form4_160133235371311.xml","form_type":"4"}},{"id":3047052,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":130314,"kind":"person","name":"Luongo Paul","position":1,"cik":"0001769489","reported_name":"Luongo Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common Stock","published_at":"2020-08-26T17:13:54.000Z","date":"2020-08-24","kind":"sale","acquired":false,"shares":159,"price":89.5,"value":14230.5,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."},{"field":"price","element":"transactionPricePerShare","label":"F8","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $89.49 to $89.50, inclusive."}],"balance_after":265840,"source":{"system":"sec-edgar","filing":"0001517413-20-000189","document":"wf-form4_159847641938407.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1769489/000151741320000189/wf-form4_159847641938407.xml","form_type":"4"}},{"id":3047051,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":130314,"kind":"person","name":"Luongo Paul","position":1,"cik":"0001769489","reported_name":"Luongo Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common Stock","published_at":"2020-08-26T17:13:54.000Z","date":"2020-08-24","kind":"sale","acquired":false,"shares":900,"price":88.92,"value":80028.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."},{"field":"price","element":"transactionPricePerShare","label":"F7","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $88.44 to $89.30, inclusive."}],"balance_after":265999,"source":{"system":"sec-edgar","filing":"0001517413-20-000189","document":"wf-form4_159847641938407.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1769489/000151741320000189/wf-form4_159847641938407.xml","form_type":"4"}},{"id":3047050,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":130314,"kind":"person","name":"Luongo Paul","position":1,"cik":"0001769489","reported_name":"Luongo Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common Stock","published_at":"2020-08-26T17:13:54.000Z","date":"2020-08-24","kind":"sale","acquired":false,"shares":600,"price":87.44,"value":52464.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $86.95 to $87.84, inclusive."}],"balance_after":266899,"source":{"system":"sec-edgar","filing":"0001517413-20-000189","document":"wf-form4_159847641938407.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1769489/000151741320000189/wf-form4_159847641938407.xml","form_type":"4"}},{"id":3047049,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":130314,"kind":"person","name":"Luongo Paul","position":1,"cik":"0001769489","reported_name":"Luongo Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common Stock","published_at":"2020-08-26T17:13:54.000Z","date":"2020-08-24","kind":"sale","acquired":false,"shares":1110,"price":86.31,"value":95804.1,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $85.86 to $86.71, inclusive."}],"balance_after":267499,"source":{"system":"sec-edgar","filing":"0001517413-20-000189","document":"wf-form4_159847641938407.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1769489/000151741320000189/wf-form4_159847641938407.xml","form_type":"4"}},{"id":3047048,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":130314,"kind":"person","name":"Luongo Paul","position":1,"cik":"0001769489","reported_name":"Luongo Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common Stock","published_at":"2020-08-26T17:13:54.000Z","date":"2020-08-24","kind":"sale","acquired":false,"shares":1600,"price":85.15,"value":136240.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."},{"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 $84.78 to $85.75, inclusive."}],"balance_after":268609,"source":{"system":"sec-edgar","filing":"0001517413-20-000189","document":"wf-form4_159847641938407.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1769489/000151741320000189/wf-form4_159847641938407.xml","form_type":"4"}},{"id":3047047,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":130314,"kind":"person","name":"Luongo Paul","position":1,"cik":"0001769489","reported_name":"Luongo Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common Stock","published_at":"2020-08-26T17:13:54.000Z","date":"2020-08-24","kind":"sale","acquired":false,"shares":9082,"price":84.18,"value":764522.76,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."},{"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 $83.77 to $84.74, inclusive."}],"balance_after":270209,"source":{"system":"sec-edgar","filing":"0001517413-20-000189","document":"wf-form4_159847641938407.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1769489/000151741320000189/wf-form4_159847641938407.xml","form_type":"4"}},{"id":3047046,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":130314,"kind":"person","name":"Luongo Paul","position":1,"cik":"0001769489","reported_name":"Luongo Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common Stock","published_at":"2020-08-26T17:13:54.000Z","date":"2020-08-24","kind":"sale","acquired":false,"shares":2801,"price":83.42,"value":233659.42,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."},{"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 $82.76 to $83.75. 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 set forth in footnotes (2) through (8) to this Form 4."}],"balance_after":279291,"source":{"system":"sec-edgar","filing":"0001517413-20-000189","document":"wf-form4_159847641938407.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1769489/000151741320000189/wf-form4_159847641938407.xml","form_type":"4"}},{"id":3051668,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":130314,"kind":"person","name":"Luongo Paul","position":1,"cik":"0001769489","reported_name":"Luongo Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common Stock","published_at":"2020-08-20T16:20:10.000Z","date":"2020-08-18","kind":"sale","acquired":false,"shares":24362,"price":77.59,"value":1890247.58,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Shares sold to satisfy tax obligations in connection with the vesting of previously granted Restricted Stock Units."}],"balance_after":282092,"source":{"system":"sec-edgar","filing":"0001517413-20-000180","document":"wf-form4_159795479548895.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1769489/000151741320000180/wf-form4_159795479548895.xml","form_type":"4"}},{"id":3075295,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":130314,"kind":"person","name":"Luongo Paul","position":1,"cik":"0001769489","reported_name":"Luongo Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class B Common Stock","published_at":"2020-07-28T17:13:33.000Z","date":"2020-07-24","kind":"exercise","acquired":false,"shares":2083,"price":0,"value":0.0,"ownership":{"direct":true},"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 (a) the death of the Reporting Person, or (b) 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":"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":"F7","text":"Each share of Class B Common Stock will convert automatically into Class A Common Stock upon (a) the death of the Reporting Person, or (b) 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":"F7","text":"Each share of Class B Common Stock will convert automatically into Class A Common Stock upon (a) the death of the Reporting Person, or (b) 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."}],"balance_after":292130,"derivative":{"underlying":"Class A Common Stock","underlying_shares":2083},"source":{"system":"sec-edgar","filing":"0001517413-20-000148","document":"wf-form4_159597060932984.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1769489/000151741320000148/wf-form4_159597060932984.xml","form_type":"4"}},{"id":3075294,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":130314,"kind":"person","name":"Luongo Paul","position":1,"cik":"0001769489","reported_name":"Luongo Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class B Common Stock","published_at":"2020-07-28T17:13:33.000Z","date":"2020-07-24","kind":"exercise","acquired":true,"shares":2083,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"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 (a) the death of the Reporting Person, or (b) 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":"F7","text":"Each share of Class B Common Stock will convert automatically into Class A Common Stock upon (a) the death of the Reporting Person, or (b) 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."}],"balance_after":294213,"derivative":{"exercise_price":7.5,"underlying":"Class A Common Stock","underlying_shares":2083},"source":{"system":"sec-edgar","filing":"0001517413-20-000148","document":"wf-form4_159597060932984.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1769489/000151741320000148/wf-form4_159597060932984.xml","form_type":"4"}},{"id":3075293,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":130314,"kind":"person","name":"Luongo Paul","position":1,"cik":"0001769489","reported_name":"Luongo Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Employee Stock Option (Right to Buy)","published_at":"2020-07-28T17:13:33.000Z","date":"2020-07-24","kind":"exercise","acquired":false,"shares":2083,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"1/48th of the stock option vested and became exercisable on January 19, 2019, and thereafter vested as to 1/48th of the shares in equal monthly installments, until such time as the option is 100% vested, subject to the continuing employment of the Reporting Person on each vesting date."}],"balance_after":60413,"derivative":{"exercise_price":7.5,"expiration_date":"2028-12-19","underlying":"Class B Common Stock","underlying_shares":2083},"source":{"system":"sec-edgar","filing":"0001517413-20-000148","document":"wf-form4_159597060932984.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1769489/000151741320000148/wf-form4_159597060932984.xml","form_type":"4"}},{"id":3075292,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":130314,"kind":"person","name":"Luongo Paul","position":1,"cik":"0001769489","reported_name":"Luongo Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common Stock","published_at":"2020-07-28T17:13:33.000Z","date":"2020-07-24","kind":"sale","acquired":false,"shares":686,"price":79.26,"value":54372.36,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $78.93 to $79.83, inclusive."}],"balance_after":306454,"source":{"system":"sec-edgar","filing":"0001517413-20-000148","document":"wf-form4_159597060932984.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1769489/000151741320000148/wf-form4_159597060932984.xml","form_type":"4"}},{"id":3075291,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":130314,"kind":"person","name":"Luongo Paul","position":1,"cik":"0001769489","reported_name":"Luongo Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common Stock","published_at":"2020-07-28T17:13:33.000Z","date":"2020-07-24","kind":"sale","acquired":false,"shares":1097,"price":78.48,"value":86092.56,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."},{"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 $77.86 to $78.83, inclusive."}],"balance_after":307140,"source":{"system":"sec-edgar","filing":"0001517413-20-000148","document":"wf-form4_159597060932984.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1769489/000151741320000148/wf-form4_159597060932984.xml","form_type":"4"}},{"id":3075290,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":130314,"kind":"person","name":"Luongo Paul","position":1,"cik":"0001769489","reported_name":"Luongo Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common Stock","published_at":"2020-07-28T17:13:33.000Z","date":"2020-07-24","kind":"sale","acquired":false,"shares":300,"price":76.5,"value":22950.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."},{"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 $75.99 to $76.82. 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 set forth in footnotes (3) through (5) of this Form 4."}],"balance_after":308237,"source":{"system":"sec-edgar","filing":"0001517413-20-000148","document":"wf-form4_159597060932984.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1769489/000151741320000148/wf-form4_159597060932984.xml","form_type":"4"}},{"id":3075289,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":130314,"kind":"person","name":"Luongo Paul","position":1,"cik":"0001769489","reported_name":"Luongo Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common Stock","published_at":"2020-07-28T17:13:33.000Z","date":"2020-07-24","kind":"exercise","acquired":true,"shares":2083,"price":0,"value":0.0,"ownership":{"direct":true},"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."}],"balance_after":308537,"source":{"system":"sec-edgar","filing":"0001517413-20-000148","document":"wf-form4_159597060932984.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1769489/000151741320000148/wf-form4_159597060932984.xml","form_type":"4"}},{"id":3099413,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":130314,"kind":"person","name":"Luongo Paul","position":1,"cik":"0001769489","reported_name":"Luongo Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class B Common Stock","published_at":"2020-06-26T16:48:29.000Z","date":"2020-06-24","kind":"exercise","acquired":false,"shares":2084,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F10","text":"Each share of Class B Common Stock will convert automatically into Class A Common Stock upon (a) the death of the Reporting Person, or (b) 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":"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":"F10","text":"Each share of Class B Common Stock will convert automatically into Class A Common Stock upon (a) the death of the Reporting Person, or (b) 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":"F10","text":"Each share of Class B Common Stock will convert automatically into Class A Common Stock upon (a) the death of the Reporting Person, or (b) 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."}],"balance_after":292130,"derivative":{"underlying":"Class A Common Stock","underlying_shares":2084},"source":{"system":"sec-edgar","filing":"0001517413-20-000137","document":"wf-form4_159320448857800.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":11,"url":"https://www.sec.gov/Archives/edgar/data/1769489/000151741320000137/wf-form4_159320448857800.xml","form_type":"4"}},{"id":3099412,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":130314,"kind":"person","name":"Luongo Paul","position":1,"cik":"0001769489","reported_name":"Luongo Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class B Common Stock","published_at":"2020-06-26T16:48:29.000Z","date":"2020-06-24","kind":"exercise","acquired":true,"shares":2084,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F10","text":"Each share of Class B Common Stock will convert automatically into Class A Common Stock upon (a) the death of the Reporting Person, or (b) 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":"F10","text":"Each share of Class B Common Stock will convert automatically into Class A Common Stock upon (a) the death of the Reporting Person, or (b) 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."}],"balance_after":294214,"derivative":{"exercise_price":7.5,"underlying":"Class A Common Stock","underlying_shares":2084},"source":{"system":"sec-edgar","filing":"0001517413-20-000137","document":"wf-form4_159320448857800.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":10,"url":"https://www.sec.gov/Archives/edgar/data/1769489/000151741320000137/wf-form4_159320448857800.xml","form_type":"4"}},{"id":3099411,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":130314,"kind":"person","name":"Luongo Paul","position":1,"cik":"0001769489","reported_name":"Luongo Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Employee Stock Option (Right to Buy)","published_at":"2020-06-26T16:48:29.000Z","date":"2020-06-24","kind":"exercise","acquired":false,"shares":2084,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F9","text":"1/48th of the stock option vested and became exercisable on January 19, 2019, and thereafter vested as to 1/48th of the shares in equal monthly installments, until such time as the option is 100% vested, subject to the continuing employment of the Reporting Person on each vesting date."}],"balance_after":62496,"derivative":{"exercise_price":7.5,"expiration_date":"2028-12-19","underlying":"Class B Common Stock","underlying_shares":2084},"source":{"system":"sec-edgar","filing":"0001517413-20-000137","document":"wf-form4_159320448857800.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1769489/000151741320000137/wf-form4_159320448857800.xml","form_type":"4"}},{"id":3099410,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":130314,"kind":"person","name":"Luongo Paul","position":1,"cik":"0001769489","reported_name":"Luongo Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common Stock","published_at":"2020-06-26T16:48:29.000Z","date":"2020-06-24","kind":"sale","acquired":false,"shares":100,"price":77.18,"value":7718.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."},{"field":"price","element":"transactionPricePerShare","label":"F8","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $76.84 to $77.51, inclusive."}],"balance_after":306454,"source":{"system":"sec-edgar","filing":"0001517413-20-000137","document":"wf-form4_159320448857800.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1769489/000151741320000137/wf-form4_159320448857800.xml","form_type":"4"}},{"id":3099409,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":130314,"kind":"person","name":"Luongo Paul","position":1,"cik":"0001769489","reported_name":"Luongo Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common Stock","published_at":"2020-06-26T16:48:29.000Z","date":"2020-06-24","kind":"sale","acquired":false,"shares":484,"price":76.07,"value":36817.88,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."},{"field":"price","element":"transactionPricePerShare","label":"F7","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $75.77 to $76.64, inclusive."}],"balance_after":306554,"source":{"system":"sec-edgar","filing":"0001517413-20-000137","document":"wf-form4_159320448857800.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1769489/000151741320000137/wf-form4_159320448857800.xml","form_type":"4"}},{"id":3099408,"issuer":{"id":785,"kind":"organization","name":"Fastly, Inc.","symbol":"FSLY"},"owners":[{"id":130314,"kind":"person","name":"Luongo Paul","position":1,"cik":"0001769489","reported_name":"Luongo Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common Stock","published_at":"2020-06-26T16:48:29.000Z","date":"2020-06-24","kind":"sale","acquired":false,"shares":300,"price":75.15,"value":22545.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $74.65 to $75.59, inclusive."}],"balance_after":307038,"source":{"system":"sec-edgar","filing":"0001517413-20-000137","document":"wf-form4_159320448857800.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1769489/000151741320000137/wf-form4_159320448857800.xml","form_type":"4"}}],"next_cursor":"2020-06-26T16:48:29.000000Z,3099408"}