Fastly (FSLY) CTO Bergman trust sells 40,000 shares under 10b5-1 plan

Rhea-AI Filing Summary

Fastly, Inc. director and Chief Technology Officer Artur Bergman reported that The Per Artur Bergman Revocable Trust sold 40,000 shares of Class A common stock on February 23, 2026 in an open-market transaction at a weighted average price of $17.08 per share.

The sale was made under a pre-arranged Rule 10b5-1 trading plan adopted on June 3, 2025. After this activity, Bergman is shown as holding 1,842,532 shares directly as of that date, plus multiple indirect positions through trusts, including 2,185,135 shares in the revocable trust and additional indirect holdings of 840,005, 109,686, 50,481, 792,998, and 156,521 shares in various remainder and grantor retained annuity trusts where he serves as trustee or investment advisor.

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

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

X

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)
02/23/2026

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	02/23/2026		S(1)		40,000	D	$17.08(2)	2,185,135	I	See Foonote(3)
Class A Common Stock								1,842,532	D
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. The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 3, 2025.

2. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $16.63 to $17.53, 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 range set forth in footnote (2) to this Form 4.

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	02/25/2026
	** 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 transaction did Fastly (FSLY) report for Artur Bergman?

Fastly reported that a trust associated with Artur Bergman sold 40,000 Class A shares. The sale occurred on February 23, 2026 at a weighted average price of $17.08 per share, according to the Form 4 insider trading report.

At what price did the Fastly (FSLY) shares sell in Artur Bergman’s Form 4?

The reported sale used a weighted average price of $17.08 per share. Footnotes state the 40,000 shares were sold in multiple transactions, with prices ranging from $16.63 to $17.53, inclusive, on February 23, 2026.

Was Artur Bergman’s Fastly (FSLY) stock sale under a 10b5-1 plan?

Yes. The filing states the sales were effected under a Rule 10b5-1 trading plan. That trading plan was adopted by the reporting person on June 3, 2025, providing a pre-arranged framework for executing the 40,000-share sale.

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

After the reported activity, Artur Bergman is shown as directly holding 1,842,532 shares of Fastly Class A common stock. This direct ownership is separate from several indirect holdings through various trusts where he serves as trustee or investment advisor.

What indirect Fastly (FSLY) holdings are associated with Artur Bergman?

Indirectly, Bergman is associated with multiple trust holdings. These include 2,185,135 shares in a revocable trust and additional positions of 840,005, 109,686, 50,481, 792,998, and 156,521 shares in several remainder and grantor retained annuity trusts, as disclosed.

Who actually held the Fastly (FSLY) shares sold in the Form 4 for Artur Bergman?

The 40,000 shares sold were held by The Per Artur Bergman Revocable Trust. The filing notes Bergman is settlor, sole trustee, and sole beneficiary of this trust, so the transaction is attributed to that entity associated with him.