Fastly (NYSE: FSLY) CTO receives bonus RSUs and PRSU grant

Rhea-AI Filing Summary

Fastly, Inc. director and Chief Technology Officer Artur Bergman reported new equity awards of Class A common stock. On February 28, 2026, he acquired 12,356 fully vested restricted stock units at $0.00 per share as a bonus under Fastly’s 2025 Bonus Plan, tied to meeting performance criteria.

He also acquired 168,521 performance-based restricted stock units earned on pre-established 2025 performance goals. According to the disclosure, 33% of these PRSUs vested on the transaction date and 8.375% will vest quarterly on May 28, August 28, November 28, and February 28, subject to his continued service. Following these awards, Bergman directly holds 2,022,540 Class A shares, and additional shares are held indirectly through several trusts associated with him.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Bergman Artur

(Last) (First) (Middle)

C/O FASTLY, INC.

475 BRANNAN STREET, SUITE 300

(Street)

SAN FRANCISCO CA 94107

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Fastly, Inc. [ FSLY ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Technology Officer

3. Date of Earliest Transaction (Month/Day/Year)
02/28/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Class A Common Stock	02/28/2026		A		12,356(1)	A	$0	1,854,019	D
Class A Common Stock	02/28/2026		A		168,521(2)	A	$0	2,022,540	D
Class A Common Stock								2,185,135	I	See Foonote(3)
Class A Common Stock								840,005	I	See Footnote(4)
Class A Common Stock								109,686	I	See Footnote(5)
Class A Common Stock								50,481	I	See Footnote(6)
Class A Common Stock								792,998	I	See Footnote(7)
Class A Common Stock								156,521	I	See Footnote(8)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. 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. 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. The shares are held by The Per Artur Bergman Revocable Trust, of which the reporting person is settlor, sole trustee, and sole beneficiary.

4. The shares are held by The Artur Bergman Remainder Trust One DTD 5/2/2019, of which the reporting person is the investment advisor.

5. The shares are held by The Artur Bergman Remainder Trust Three DTD 5/2/2019, of which the reporting person is the investment advisor.

6. The shares are held by The Per Artur Bergman Grantor Retained Annuity Trust No. 3, of which the reporting person is trustee.

7. The shares are held by The Per Artur Bergman Grantor Retained Annuity Trust No. 4, of which the reporting person is trustee.

8. The shares are held by The PAB 2021 Remainder Trust, of which the reporting person is the investment advisor.

Remarks:

	/s/ Tara Seracka, Attorney-in-Fact	03/03/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What insider transactions did Fastly (FSLY) CTO Artur Bergman report?

Artur Bergman reported acquiring Class A common stock through equity awards, not open-market trades. He received 12,356 fully vested restricted stock units as a 2025 Bonus Plan payout and 168,521 performance-based RSUs earned on pre-set 2025 performance goals, boosting his direct holdings.

How many Fastly (FSLY) shares does Artur Bergman directly hold after this Form 4?

After these awards, Artur Bergman directly holds 2,022,540 shares of Fastly Class A common stock. This figure reflects his updated direct ownership position following the fully vested bonus RSUs and the performance-based RSU grant reported as of February 28, 2026.

What was the structure of Artur Bergman’s 2025 bonus from Fastly (FSLY)?

Under Fastly’s 2025 Bonus Plan, Bergman’s bonus was paid in equity rather than cash. He became eligible based on performance criteria and received 12,356 fully vested restricted stock units, providing immediate share ownership without a purchase price on February 28, 2026.

How do Artur Bergman’s Fastly (FSLY) performance-based RSUs vest?

Bergman’s 168,521 performance-based RSUs were earned on 2025 goals. One-third vested on February 28, 2026, and 8.375% of the award will vest on each subsequent May 28, August 28, November 28, and February 28, contingent on his continued service with Fastly.

Are Artur Bergman’s new Fastly (FSLY) share awards cash transactions?

The reported awards are not cash purchases. Both the 12,356 fully vested restricted stock units and the 168,521 performance-based RSUs were granted at a stated price of $0.00 per share, reflecting stock-based compensation rather than open-market buying activity.

Does Artur Bergman have indirect holdings of Fastly (FSLY) shares?

Yes. The filing notes additional Fastly Class A shares are held indirectly through multiple trusts, including the Per Artur Bergman Revocable Trust and several remainder and grantor retained annuity trusts, where Bergman serves as trustee, beneficiary, or investment advisor, reflecting associated ownership structures.