Fastly, Inc. — Director's Dealing 2026

Mar 3, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Fastly, Inc. (FSLY)
CIK: 0001517413
Period of Report: 2026-02-28

Reporting Person: Compton Charles Lacey III (Director, CEO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2026-02-28	Class A Common Stock	A	27226	—	Acquired	611745	Direct
2026-02-28	Class A Common Stock	A	87259	—	Acquired	699004	Direct
2026-02-28	Class A Common Stock	A	263277	—	Acquired	962281	Direct

Footnotes

F1: Fully vested. Under the 2025 Bonus Plan, subject to meeting performance criteria, the reporting person was eligible to receive a bonus to be paid in the form of fully-vested restricted stock units.

F2: Represents the shares subject to performance-based restricted stock unit awards (PRSUs) earned based on the achievement of pre-established performance goals during the Issuer's fiscal year 2025. 33% of the number of PRSUs vested on the Transaction Date, and 8.375% of the PRSUs will vest in quarterly installments thereafter on May 28, August 28, November 28, and February 28, subject to the Reporting Person's continued service with the Issuer through each applicable vesting date.