Fastly (FSLY) CTO Artur Bergman and related trusts sell 280,891 shares

Rhea-AI Filing Summary

Fastly, Inc. Chief Technology Officer Artur Bergman reported open‑market sales of a total of 280,891 shares of Class A common stock on March 2–3, 2026, including sales by several related trusts. The trades were executed under a pre‑arranged Rule 10b5‑1 trading plan adopted on June 3, 2025, which automates selling according to preset instructions.

Footnotes state that some of the shares were sold to cover tax obligations tied to the vesting of previously granted restricted stock units. After these transactions, Bergman continues to hold 2,016,883 Class A shares directly, in addition to indirect holdings through multiple trusts where he is trustee, settlor, beneficiary, 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)
03/02/2026

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	03/02/2026		S(1)		1,060	D	$18.77	2,184,075	I	See Foonote(2)
Class A Common Stock	03/02/2026		S(1)		13,100	D	$19.55(3)	2,170,975	I	See Foonote(2)
Class A Common Stock	03/02/2026		S(1)		187,595	D	$20.44(4)	1,983,380	I	See Foonote(2)
Class A Common Stock	03/02/2026		S(1)		73,479	D	$21.07(5)	1,909,901	I	See Foonote(2)
Class A Common Stock	03/03/2026		S(6)		5,657	D	$20.3(7)	2,016,883	D
Class A Common Stock								840,005	I	See Footnote(8)
Class A Common Stock								109,686	I	See Footnote(9)
Class A Common Stock								50,481	I	See Footnote(10)
Class A Common Stock								792,998	I	See Footnote(11)
Class A Common Stock								156,521	I	See Footnote(12)

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

3. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $18.85 to $19.84, 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 ranges set forth in footnotes (3), (4), (5) and (7) to this Form 4.

4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $19.85 to $20.82, inclusive.

5. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $20.85 to $21.20, inclusive.

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

7. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $19.92 to $20.31, inclusive.

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

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

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

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

12. 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	03/04/2026
	** 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

How many Fastly (FSLY) shares were sold in Artur Bergman’s latest Form 4?

Artur Bergman reported total sales of 280,891 shares of Fastly Class A common stock. These were open‑market transactions across March 2–3, 2026, including activity by several related trusts disclosed in the footnotes.

At what prices did Artur Bergman’s Fastly (FSLY) stock sales occur?

Reported transaction prices ranged from about $18.85 to $21.20 per share. Footnotes specify these as weighted average prices for multiple trades within price bands such as $18.85–$19.84, $19.85–$20.82, and $20.85–$21.20.

Was Fastly CTO Artur Bergman’s Form 4 selling under a Rule 10b5-1 plan?

Yes. The filing states the reported sales were made under a Rule 10b5‑1 trading plan adopted on June 3, 2025. Such plans pre‑schedule trades, helping executives diversify holdings while reducing concerns about trading on nonpublic information.

Did Artur Bergman sell Fastly (FSLY) shares to cover tax obligations?

Yes. A footnote explains that certain shares were sold to satisfy tax obligations related to the vesting of previously granted restricted stock units. This means part of the selling activity was tied to handling taxes from equity compensation.

How many Fastly shares does Artur Bergman hold after these transactions?

Following the March 3, 2026 trade, Bergman directly holds 2,016,883 shares of Fastly Class A common stock. The filing also lists additional indirect holdings in multiple trusts where he serves as trustee, beneficiary, settlor, or investment advisor.

Are the Fastly (FSLY) share sales on the Form 4 direct or through trusts?

The Form 4 shows both direct and indirect sales. One transaction involves directly held shares, while several others involve shares held by various trusts associated with Artur Bergman, as detailed in the ownership footnotes.