Form 4 for FSLY Fastly, Inc.

Accepted 2026-03-03 00:00:00 ET · period of report 2026-02-28 · accession 0001517413-26-000079 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X	Filed	Traded	Ticker	Insider	Title	Type	Price	Qty	Owned	ΔOwn	Value
M	2026-03-03	2026-02-28	FSLY	Compton Charles Lacey III	CEO, Dir	A - Grant	$0.00	+377.8K	962.3K	+65%	$0

Purchase Sale Sale after option exercise All abbreviations

#	Table	Security	Date	Code	A/D	Shares	Price	Owned after	Own	Exercise / expiry	Underlying	Footnotes
1	Common	Class A Common Stock	2026-02-28	A	A	27,226	$0.00	611,745	D	—	—	(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.
2	Common	Class A Common Stock	2026-02-28	A	A	87,259	$0.00	699,004	D	—	—	(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.
3	Common	Class A Common Stock	2026-02-28	A	A	263,277	$0.00	962,281	D	—	—	(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.