FSLY

SEC source: 0001517413-23-000015 · wf-form4_167701829156593.xml · nonDerivative · entry 1

Nightingale Todd · CIK 0001944844 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,183,549

F1 · kind: Shares sold to satisfy tax obligations in connection with the vesting of previously granted Restricted Stock Units.

SEC source: 0001517413-23-000009 · wf-form4_167649935220125.xml · nonDerivative · entry 1

Bergman Artur · CIK 0001769490 · Director · Chief Architect, Exec. Chair

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,711,883

F1 · shares: 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. 25% of the number of RSUs vested on February 15, 2023 and 25% of the number of RSUs vest on May 15, 2023, August 15, 2023, and November 15, 2023, respectively, in each case subject to the Reporting Person's continued service with the Issuer through each applicable vesting date.

SEC source: 0001517413-23-000002 · wf-form4_167425656830332.xml · nonDerivative · entry 1

KISLING RONALD W · CIK 0001228622 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 371,688

F1 · kind: Shares sold to satisfy tax obligations in connection with the vesting of previously granted Restricted Stock Units.

SEC source: 0001517413-22-000173 · wf-form4_167157470016288.xml · nonDerivative · entry 2

Shirk Brett · CIK 0001642259 · Executive Vice President, CRO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 228,040

F3 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

SEC source: 0001517413-22-000173 · wf-form4_167157470016288.xml · nonDerivative · entry 1

Shirk Brett · CIK 0001642259 · Executive Vice President, CRO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 235,040

F1 · kind: Shares sold to satisfy tax obligations in connection with the vesting of previously granted Restricted Stock Units.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $8.82 to $8.84, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote 2 to this Form 4.

SEC source: 0001517413-22-000171 · wf-form4_166915505416164.xml · nonDerivative · entry 1

Shirk Brett · CIK 0001642259 · Executive Vice President, CRO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 239,746

F1 · kind: Shares acquired under the Fastly, Inc. 2019 Employee Stock Purchase Plan in a transaction exempt under Rule 16b-3(c).

SEC source: 0001517413-22-000167 · wf-form4_166881127555870.xml · nonDerivative · entry 2

Shirk Brett · CIK 0001642259 · Executive Vice President, CRO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 239,745

F3 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

SEC source: 0001517413-22-000165 · wf-form4_166881118843082.xml · nonDerivative · entry 2

Bergman Artur · CIK 0001769490 · Director · Chief Architect, Exec. Chair

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,663,597

F3 · kind: The sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $9.06 to $9.37, inclusive.

SEC source: 0001517413-22-000169 · wf-form4_166881137431321.xml · nonDerivative · entry 1

KISLING RONALD W · CIK 0001228622 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 377,582

F1 · kind: Shares sold to satisfy tax obligations in connection with the vesting of previously granted Restricted Stock Units.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $10.23 to $10.44, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (2) to this Form 4.

SEC source: 0001517413-22-000167 · wf-form4_166881127555870.xml · nonDerivative · entry 1

Shirk Brett · CIK 0001642259 · Executive Vice President, CRO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 246,745

F1 · kind: Shares sold to satisfy tax obligations in connection with the vesting of previously granted Restricted Stock Units.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $10.30 to $10.44, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (2) to this Form 4.

SEC source: 0001517413-22-000165 · wf-form4_166881118843082.xml · nonDerivative · entry 1

Bergman Artur · CIK 0001769490 · Director · Chief Architect, Exec. Chair

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,680,924

F1 · kind: Shares sold to satisfy tax obligations in connection with the vesting of previously granted Restricted Stock Units.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $10.25 to $10.44. 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) and (4) to this Form 4.

SEC source: 0001517413-22-000163 · wf-form4_166881105399134.xml · nonDerivative · entry 1

Nightingale Todd · CIK 0001944844 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,238,030

F1 · kind: Shares sold to satisfy tax obligations in connection with the vesting of previously granted Restricted Stock Units.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $10.23 to $10.44. 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 (2) to this Form 4.

SEC source: 0001517413-22-000161 · wf-form4_166854996199608.xml · nonDerivative · entry 1

Hornik David · CIK 0001547378 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote 2

Disclosed balance after: 0

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $9.80 to $10.02. 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 1 to this Form 4.

F2 · ownership.nature: These shares were held directly by August Capital VI Special Opportunities, L.P. ("August VI SO"). August Capital Management VI, L.L.C. ("ACM VI") is the general partner of August VI SO and may be deemed to have sole voting and investment power over the shares held by August VI SO. David M. Hornik, a member of the Issuer's Board of Directors, Howard Hartenbaum, and W. Eric Carlborg are members of ACM VI, and may be deemed to have shared voting and investment power over the shares held by August VI SO. Each such person and entity disclaims the existence of a "group" and disclaims beneficial ownership of any securities, except to the extent of such person's or entity's pecuniary interest in such securities.

SEC source: 0001517413-22-000154 · wf-form4_166630088322266.xml · nonDerivative · entry 2

KISLING RONALD W · CIK 0001228622 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 387,825

F2 · kind: Sales effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person

F3 · shares: The shares were sold by the Ronald Kisling Living Trust, to which the reporting person contributed 2,194 shares of common stock of the Issuer in a transaction that resulted in a change in the form of beneficial ownership from direct to indirect.

SEC source: 0001517413-22-000154 · wf-form4_166630088322266.xml · nonDerivative · entry 1

KISLING RONALD W · CIK 0001228622 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 390,019

F1 · kind: Shares sold to satisfy tax obligations in connection with the vesting of previously granted Restricted Stock Units.

SEC source: 0001517413-22-000153 · wf-form4_166630086437367.xml · derivative · entry 3

PAISLEY CHRISTOPHER B · CIK 0001189229 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 71,424

Underlying: Class A Common Stock · 31,414 shares

Expires 2028-07-30

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_date: Fully vested

SEC source: 0001517413-22-000153 · wf-form4_166630086437367.xml · nonDerivative · entry 1

PAISLEY CHRISTOPHER B · CIK 0001189229 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 120,636

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001517413-22-000150 · wf-form4_166621419785053.xml · nonDerivative · entry 1

Shirk Brett · CIK 0001642259 · Executive Vice President, CRO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 253,246

F1 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $7.73 to $8.24. 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 to this Form 4.

SEC source: 0001517413-22-000148 · wf-form4_166388162904338.xml · derivative · entry 1

KISLING RONALD W · CIK 0001228622 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 230,000

Underlying: Class A Common Stock · 230,000 shares

Expires not disclosed

F1 · derivative.exercise_price: The shares are represented by performance-based restricted stock units (PRSUs). Each PRSU represents a contingent right to receive one share of the Issuer's Class A Common Stock. One fourth of the PRSUs will vest upon the Issuer's Class A Common Stock achieving a market price of $17.25 per share (with the earliest such vesting date being November 15, 2023, including if the performance condition is satisfied before such date); one fourth of the PRSUs will vest upon the Issuer's Class A Common Stock achieving a market price of $23.00 per share (with the earliest such vesting date being November 15, 2024, including if the performance condition is satisfied before such date);

F2 · derivative.exercise_price: one fourth of the PRSUs will vest upon the Issuer's Class A Common Stock achieving a market price of $34.50 per share (with the earliest such vesting date being November 15, 2025, including if the performance condition is satisfied before such date);one fourth of the PRSUs will vest upon the Issuer's Class A Common Stock achieving a market price of $46.00 per share (with the earliest such vesting date being November 15, 2026, including if the performance condition is satisfied before such date). Any unvested tranche will be forfeited if the applicable market price is not achieved on or before September 6, 2027.

F1 · derivative.exercise_date: The shares are represented by performance-based restricted stock units (PRSUs). Each PRSU represents a contingent right to receive one share of the Issuer's Class A Common Stock. One fourth of the PRSUs will vest upon the Issuer's Class A Common Stock achieving a market price of $17.25 per share (with the earliest such vesting date being November 15, 2023, including if the performance condition is satisfied before such date); one fourth of the PRSUs will vest upon the Issuer's Class A Common Stock achieving a market price of $23.00 per share (with the earliest such vesting date being November 15, 2024, including if the performance condition is satisfied before such date);

F2 · derivative.exercise_date: one fourth of the PRSUs will vest upon the Issuer's Class A Common Stock achieving a market price of $34.50 per share (with the earliest such vesting date being November 15, 2025, including if the performance condition is satisfied before such date);one fourth of the PRSUs will vest upon the Issuer's Class A Common Stock achieving a market price of $46.00 per share (with the earliest such vesting date being November 15, 2026, including if the performance condition is satisfied before such date). Any unvested tranche will be forfeited if the applicable market price is not achieved on or before September 6, 2027.

F1 · derivative.expiration_date: The shares are represented by performance-based restricted stock units (PRSUs). Each PRSU represents a contingent right to receive one share of the Issuer's Class A Common Stock. One fourth of the PRSUs will vest upon the Issuer's Class A Common Stock achieving a market price of $17.25 per share (with the earliest such vesting date being November 15, 2023, including if the performance condition is satisfied before such date); one fourth of the PRSUs will vest upon the Issuer's Class A Common Stock achieving a market price of $23.00 per share (with the earliest such vesting date being November 15, 2024, including if the performance condition is satisfied before such date);

F2 · derivative.expiration_date: one fourth of the PRSUs will vest upon the Issuer's Class A Common Stock achieving a market price of $34.50 per share (with the earliest such vesting date being November 15, 2025, including if the performance condition is satisfied before such date);one fourth of the PRSUs will vest upon the Issuer's Class A Common Stock achieving a market price of $46.00 per share (with the earliest such vesting date being November 15, 2026, including if the performance condition is satisfied before such date). Any unvested tranche will be forfeited if the applicable market price is not achieved on or before September 6, 2027.

SEC source: 0001517413-22-000147 · wf-form4_166388161189923.xml · derivative · entry 1

Shirk Brett · CIK 0001642259 · Executive Vice President, CRO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 200,000

Underlying: Class A Common Stock · 200,000 shares

Expires not disclosed

F1 · derivative.exercise_price: The shares are represented by performance-based restricted stock units (PRSUs). Each PRSU represents a contingent right to receive one share of the Issuer's Class A Common Stock. One fourth of the PRSUs will vest upon the Issuer's Class A Common Stock achieving a market price of $17.25 per share (with the earliest such vesting date being November 15, 2023, including if the performance condition is satisfied before such date); one fourth of the PRSUs will vest upon the Issuer's Class A Common Stock achieving a market price of $23.00 per share (with the earliest such vesting date being November 15, 2024, including if the performance condition is satisfied before such date);

F2 · derivative.exercise_price: one fourth of the PRSUs will vest upon the Issuer's Class A Common Stock achieving a market price of $34.50 per share (with the earliest such vesting date being November 15, 2025, including if the performance condition is satisfied before such date);one fourth of the PRSUs will vest upon the Issuer's Class A Common Stock achieving a market price of $46.00 per share (with the earliest such vesting date being November 15, 2026, including if the performance condition is satisfied before such date). Any unvested tranche will be forfeited if the applicable market price is not achieved on or before September 6, 2027.

F1 · derivative.exercise_date: The shares are represented by performance-based restricted stock units (PRSUs). Each PRSU represents a contingent right to receive one share of the Issuer's Class A Common Stock. One fourth of the PRSUs will vest upon the Issuer's Class A Common Stock achieving a market price of $17.25 per share (with the earliest such vesting date being November 15, 2023, including if the performance condition is satisfied before such date); one fourth of the PRSUs will vest upon the Issuer's Class A Common Stock achieving a market price of $23.00 per share (with the earliest such vesting date being November 15, 2024, including if the performance condition is satisfied before such date);

F2 · derivative.exercise_date: one fourth of the PRSUs will vest upon the Issuer's Class A Common Stock achieving a market price of $34.50 per share (with the earliest such vesting date being November 15, 2025, including if the performance condition is satisfied before such date);one fourth of the PRSUs will vest upon the Issuer's Class A Common Stock achieving a market price of $46.00 per share (with the earliest such vesting date being November 15, 2026, including if the performance condition is satisfied before such date). Any unvested tranche will be forfeited if the applicable market price is not achieved on or before September 6, 2027.

F1 · derivative.expiration_date: The shares are represented by performance-based restricted stock units (PRSUs). Each PRSU represents a contingent right to receive one share of the Issuer's Class A Common Stock. One fourth of the PRSUs will vest upon the Issuer's Class A Common Stock achieving a market price of $17.25 per share (with the earliest such vesting date being November 15, 2023, including if the performance condition is satisfied before such date); one fourth of the PRSUs will vest upon the Issuer's Class A Common Stock achieving a market price of $23.00 per share (with the earliest such vesting date being November 15, 2024, including if the performance condition is satisfied before such date);

F2 · derivative.expiration_date: one fourth of the PRSUs will vest upon the Issuer's Class A Common Stock achieving a market price of $34.50 per share (with the earliest such vesting date being November 15, 2025, including if the performance condition is satisfied before such date);one fourth of the PRSUs will vest upon the Issuer's Class A Common Stock achieving a market price of $46.00 per share (with the earliest such vesting date being November 15, 2026, including if the performance condition is satisfied before such date). Any unvested tranche will be forfeited if the applicable market price is not achieved on or before September 6, 2027.

SEC source: 0001517413-22-000144 · wf-form4_166362716662886.xml · nonDerivative · entry 2

Shirk Brett · CIK 0001642259 · Executive Vice President, CRO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 260,246

F3 · shares: Shares sold to satisfy tax obligations in connection with the vesting of previously granted Restricted Stock Units.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $9.33 to $9.52, inclusive.

SEC source: 0001517413-22-000144 · wf-form4_166362716662886.xml · nonDerivative · entry 1

Shirk Brett · CIK 0001642259 · Executive Vice President, CRO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 263,244

F1 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $9.61 to $10.21. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes (2) and (4) to this Form 4.

SEC source: 0001517413-22-000141 · wf-form4_166250247600663.xml · derivative · entry 2

Nightingale Todd · CIK 0001944844 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,304,347

Underlying: Class A Common Stock · 1,304,347 shares

Expires not disclosed

F2 · derivative.exercise_price: The shares are represented by performance-based restricted stock units (PRSUs). Each PRSU represents a contingent right to receive one share of the Issuer's Class A Common Stock. One fourth of the PRSUs will vest upon the Issuer's Class A Common Stock achieving a market price of $17.25 per share (with the earliest such vesting date being the first quarterly vesting date after the first anniversary of the grant date, including if the performance condition is satisfied before such date); one fourth of the PRSUs will vest upon the Issuer's Class A Common Stock achieving a market price of $23.00 per share (with the earliest such vesting date being the first quarterly vesting date after the second anniversary of the grant date, including if the performance condition is satisfied before such date);

F3 · derivative.exercise_price: one fourth of the PRSUs will vest upon the Issuer's Class A Common Stock achieving a market price of $34.50 per share (with the earliest such vesting date being the first quarterly vesting date after the third anniversary of the grant date, including if the performance condition is satisfied before such date);one fourth of the PRSUs will vest upon the Issuer's Class A Common Stock achieving a market price of $46.00 per share (with the earliest such vesting date being the first quarterly vesting date after the fourth anniversary of the grant date, including if the performance condition is satisfied before such date). Any unvested tranche will be forfeited if the applicable market price is not achieved on or before September 6, 2027.

F2 · derivative.exercise_date: The shares are represented by performance-based restricted stock units (PRSUs). Each PRSU represents a contingent right to receive one share of the Issuer's Class A Common Stock. One fourth of the PRSUs will vest upon the Issuer's Class A Common Stock achieving a market price of $17.25 per share (with the earliest such vesting date being the first quarterly vesting date after the first anniversary of the grant date, including if the performance condition is satisfied before such date); one fourth of the PRSUs will vest upon the Issuer's Class A Common Stock achieving a market price of $23.00 per share (with the earliest such vesting date being the first quarterly vesting date after the second anniversary of the grant date, including if the performance condition is satisfied before such date);

F3 · derivative.exercise_date: one fourth of the PRSUs will vest upon the Issuer's Class A Common Stock achieving a market price of $34.50 per share (with the earliest such vesting date being the first quarterly vesting date after the third anniversary of the grant date, including if the performance condition is satisfied before such date);one fourth of the PRSUs will vest upon the Issuer's Class A Common Stock achieving a market price of $46.00 per share (with the earliest such vesting date being the first quarterly vesting date after the fourth anniversary of the grant date, including if the performance condition is satisfied before such date). Any unvested tranche will be forfeited if the applicable market price is not achieved on or before September 6, 2027.

F2 · derivative.expiration_date: The shares are represented by performance-based restricted stock units (PRSUs). Each PRSU represents a contingent right to receive one share of the Issuer's Class A Common Stock. One fourth of the PRSUs will vest upon the Issuer's Class A Common Stock achieving a market price of $17.25 per share (with the earliest such vesting date being the first quarterly vesting date after the first anniversary of the grant date, including if the performance condition is satisfied before such date); one fourth of the PRSUs will vest upon the Issuer's Class A Common Stock achieving a market price of $23.00 per share (with the earliest such vesting date being the first quarterly vesting date after the second anniversary of the grant date, including if the performance condition is satisfied before such date);

F3 · derivative.expiration_date: one fourth of the PRSUs will vest upon the Issuer's Class A Common Stock achieving a market price of $34.50 per share (with the earliest such vesting date being the first quarterly vesting date after the third anniversary of the grant date, including if the performance condition is satisfied before such date);one fourth of the PRSUs will vest upon the Issuer's Class A Common Stock achieving a market price of $46.00 per share (with the earliest such vesting date being the first quarterly vesting date after the fourth anniversary of the grant date, including if the performance condition is satisfied before such date). Any unvested tranche will be forfeited if the applicable market price is not achieved on or before September 6, 2027.

SEC source: 0001517413-22-000141 · wf-form4_166250247600663.xml · nonDerivative · entry 1

Nightingale Todd · CIK 0001944844 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,304,347

F1 · shares: 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 over a period of four years. 40% of the RSUs vest in four equal quarterly installments for one year, thereafter 30% of the RSUs vest in four equal quarterly installments for one year, thereafter 20% of the RSUs vest in four equal quarterly installments for one year, and thereafter the remaining 10% of the RSUs vest in four equal quarterly installments for one year, in each case subject to the Reporting Person's continued service with the Issuer through each applicable vesting date.

SEC source: 0001517413-22-000129 · wf-form4_166085672944491.xml · nonDerivative · entry 2

Bergman Artur · CIK 0001769490 · Director · Chief Architect, Exec. Chair

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,695,114

F3 · kind: The sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $11.13 to $11.52, inclusive.

SEC source: 0001517413-22-000128 · wf-form4_166085670322763.xml · nonDerivative · entry 2

Shirk Brett · CIK 0001642259 · Executive Vice President, CRO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 270,244

F3 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $11.13 to $11.61, inclusive.

SEC source: 0001517413-22-000130 · wf-form4_166085674860222.xml · nonDerivative · entry 1

KISLING RONALD W · CIK 0001228622 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 397,307

F1 · kind: Shares sold to satisfy tax obligations in connection with the vesting of previously granted Restricted Stock Units.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $11.77 to $11.97, inclusive.

SEC source: 0001517413-22-000131 · wf-form4_166085676711262.xml · nonDerivative · entry 1

Bixby Joshua · CIK 0001769554 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 591,630

F1 · kind: Shares sold to satisfy tax obligations in connection with the vesting of previously granted Restricted Stock Units.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $11.75 to $11.97, inclusive.

SEC source: 0001517413-22-000129 · wf-form4_166085672944491.xml · nonDerivative · entry 1

Bergman Artur · CIK 0001769490 · Director · Chief Architect, Exec. Chair

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,712,592

F1 · kind: Shares sold to satisfy tax obligations in connection with the vesting of previously granted Restricted Stock Units.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $11.73 to $11.97. 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) and (4) to this Form 4.

SEC source: 0001517413-22-000128 · wf-form4_166085670322763.xml · nonDerivative · entry 1

Shirk Brett · CIK 0001642259 · Executive Vice President, CRO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 300,244

F1 · kind: Shares sold to satisfy tax obligations in connection with the vesting of previously granted Restricted Stock Units.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $11.77 to $11.97. 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) and (4) to this Form 4.

SEC source: 0001517413-22-000123 · wf-form4_166016625979059.xml · nonDerivative · entry 2

Bergman Artur · CIK 0001769490 · Director · Chief Architect, Exec. Chair

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,726,628

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $12.36 to $12.71, inclusive.

SEC source: 0001517413-22-000123 · wf-form4_166016625979059.xml · nonDerivative · entry 1

Bergman Artur · CIK 0001769490 · Director · Chief Architect, Exec. Chair

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,730,033

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $11.36 to $12.31, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes (2) and (3) to this Form 4.

SEC source: 0001517413-22-000109 · wf-form4_165843785218367.xml · nonDerivative · entry 1

KISLING RONALD W · CIK 0001228622 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 406,860

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F2 · shares: The shares were sold by the Ronald Kisling Living Trust, to which the reporting person contributed 2,194 shares of common stock of the Issuer in a transaction that resulted in a change in the form of beneficial ownership from direct to indirect.

SEC source: 0001517413-22-000107 · wf-form4_165835105630063.xml · nonDerivative · entry 1

KISLING RONALD W · CIK 0001228622 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 409,054

F1 · kind: Shares sold to satisfy tax obligations in connection with the vesting of previously granted Restricted Stock Units.

SEC source: 0001517413-22-000103 · wf-form4_165584581772506.xml · nonDerivative · entry 1

Shirk Brett · CIK 0001642259 · Executive Vice President, CRO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 304,223

F1 · kind: Shares sold to satisfy tax obligations in connection with the vesting of previously granted Restricted Stock Units.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $10.53 to $10.55, inclusive.

SEC source: 0001517413-22-000094 · wf-form4_165550192448646.xml · nonDerivative · entry 1

ALVAREZ AIDA · CIK 0001268885 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 33,414

F1 · shares: The shares are represented by restricted stock units (RSUs). Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock upon settlement. The RSUs vest quarterly over one year following the date of grant and will be fully vested on the earlier of the date of the next annual meeting of the Issuer's stockholders (or the date immediately prior to the next annual meeting of the Issuer's stockholders if the reporting person's service as a director ends at such meeting due to the failure to be re-elected or not standing for re-election) and the one year anniversary measured from the date of grant, each subject to continued service as a director of the Issuer through each applicable vesting date.

SEC source: 0001517413-22-000093 · wf-form4_165550190574176.xml · nonDerivative · entry 1

PAISLEY CHRISTOPHER B · CIK 0001189229 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 89,222

F1 · shares: The shares are represented by restricted stock units (RSUs). Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock upon settlement. The RSUs vest quarterly over one year following the date of grant and will be fully vested on the earlier of the date of the next annual meeting of the Issuer's stockholders (or the date immediately prior to the next annual meeting of the Issuer's stockholders if the reporting person's service as a director ends at such meeting due to the failure to be re-elected or not standing for re-election) and the one year anniversary measured from the date of grant, each subject to continued service as a director of the Issuer through each applicable vesting date.

SEC source: 0001517413-22-000095 · wf-form4_165550194045964.xml · nonDerivative · entry 1

Meyers Charles J · CIK 0001502558 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,522

F1 · shares: The shares are represented by restricted stock units (RSUs). Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock upon settlement. The RSUs vest quarterly over one year following the date of grant and will be fully vested on the earlier of the date of the next annual meeting of the Issuer's stockholders (or the date immediately prior to the next annual meeting of the Issuer's stockholders if the reporting person's service as a director ends at such meeting due to the failure to be re-elected or not standing for re-election) and the one year anniversary measured from the date of grant, each subject to continued service as a director of the Issuer through each applicable vesting date.

SEC source: 0001517413-22-000101 · wf-form4_165551246041507.xml · nonDerivative · entry 1

Daniels Richard Devon · CIK 0001830164 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 26,014

F1 · shares: The shares are represented by restricted stock units (RSUs). Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock upon settlement. The RSUs vest quarterly over one year following the date of grant and will be fully vested on the earlier of the date of the next annual meeting of the Issuer's stockholders (or the date immediately prior to the next annual meeting of the Issuer's stockholders if the reporting person's service as a director ends at such meeting due to the failure to be re-elected or not standing for re-election) and the one year anniversary measured from the date of grant, each subject to continued service as a director of the Issuer through each applicable vesting date.

SEC source: 0001517413-22-000097 · wf-form4_165550198121802.xml · nonDerivative · entry 1

Loop Paula · CIK 0001870529 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,522

F1 · shares: The shares are represented by restricted stock units (RSUs). Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock upon settlement. The RSUs vest quarterly over one year following the date of grant and will be fully vested on the earlier of the date of the next annual meeting of the Issuer's stockholders (or the date immediately prior to the next annual meeting of the Issuer's stockholders if the reporting person's service as a director ends at such meeting due to the failure to be re-elected or not standing for re-election) and the one year anniversary measured from the date of grant, each subject to continued service as a director of the Issuer through each applicable vesting date.

SEC source: 0001517413-22-000096 · wf-form4_165550196019653.xml · nonDerivative · entry 1

Smith Vanessa C. · CIK 0001890818 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 26,014

F1 · shares: The shares are represented by restricted stock units (RSUs). Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock upon settlement. The RSUs vest quarterly over one year following the date of grant and will be fully vested on the earlier of the date of the next annual meeting of the Issuer's stockholders (or the date immediately prior to the next annual meeting of the Issuer's stockholders if the reporting person's service as a director ends at such meeting due to the failure to be re-elected or not standing for re-election) and the one year anniversary measured from the date of grant, each subject to continued service as a director of the Issuer through each applicable vesting date.

SEC source: 0001517413-22-000092 · wf-form4_165550188773457.xml · nonDerivative · entry 1

Hornik David · CIK 0001547378 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 197,178

F1 · shares: The shares are represented by restricted stock units (RSUs). Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock upon settlement. The RSUs vest quarterly over one year following the date of grant and will be fully vested on the earlier of the date of the next annual meeting of the Issuer's stockholders (or the date immediately prior to the next annual meeting of the Issuer's stockholders if the reporting person's service as a director ends at such meeting due to the failure to be re-elected or not standing for re-election) and the one year anniversary measured from the date of grant, each subject to continued service as a director of the Issuer through each applicable vesting date.

SEC source: 0001517413-22-000105 · wf-form4_165602118088613.xml · nonDerivative · entry 1

Daniels Richard Devon · CIK 0001830164 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 31,014

SEC source: 0001517413-22-000072 · wf-form4_165342917168666.xml · nonDerivative · entry 1

Shirk Brett · CIK 0001642259 · Executive Vice President, CRO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 307,231

F1 · kind: Shares acquired under the Fastly, Inc. 2019 Employee Stock Purchase Plan in a transaction exempt under Rule 16b-3(c).

SEC source: 0001517413-22-000070 · wf-form4_165342906922454.xml · nonDerivative · entry 1

Bixby Joshua · CIK 0001769554 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 610,282

F1 · kind: Shares acquired under the Fastly, Inc. 2019 Employee Stock Purchase Plan in a transaction exempt under Rule 16b-3(c).

SEC source: 0001517413-22-000067 · wf-form4_165299780642601.xml · nonDerivative · entry 2

Bergman Artur · CIK 0001769490 · Director · Chief Architect, Exec. Chair

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,740,947

F2 · kind: The sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $10.99 to $11.92, inclusive.

SEC source: 0001517413-22-000062 · wf-form4_165290976830774.xml · nonDerivative · entry 2

KISLING RONALD W · CIK 0001228622 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 414,137

F2 · kind: Shares sold to satisfy tax obligations in connection with the vesting of previously granted Restricted Stock Units.

SEC source: 0001517413-22-000063 · wf-form4_165291039890826.xml · nonDerivative · entry 2

Shirk Brett · CIK 0001642259 · Executive Vice President, CRO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 306,625

F2 · kind: Shares sold to satisfy tax obligations in connection with the vesting of previously granted Restricted Stock Units.

SEC source: 0001517413-22-000067 · wf-form4_165299780642601.xml · nonDerivative · entry 1

Bergman Artur · CIK 0001769490 · Director · Chief Architect, Exec. Chair

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,756,428

F1 · kind: Shares sold to satisfy tax obligations in connection with the vesting of previously granted Restricted Stock Units.

SEC source: 0001517413-22-000066 · wf-form4_165299776513008.xml · nonDerivative · entry 1

Bixby Joshua · CIK 0001769554 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 609,238

F1 · kind: Shares sold to satisfy tax obligations in connection with the vesting of previously granted Restricted Stock Units.