Fastly, Inc. — Director's Dealing 2022

May 18, 2022

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Fastly, Inc. (FSLY)
CIK: 0001517413
Period of Report: 2022-05-16

Reporting Person: Shirk Brett (Executive Vice President, CRO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2022-05-16	Class A Common Stock	A	100000	—	Acquired	307508	Direct
2022-05-17	Class A Common Stock	S	883	$11.97	Disposed	306625	Direct

Footnotes

F1: 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-eighth (12.5%) of the total RSUs will vest on August 15, 2022 and the remainder will vest in 7 equal quarterly installments (November, February, May and August) of one-eighth thereafter (12.5% 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.

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