Fastly CFO sells shares to cover tax obligations

Fastly, Inc.’s CFO Richard Wong reported an open-market sale of 3,748 shares of Class A common stock at a weighted average price of $20.30 per share.

Rhea-AI Filing Summary

Fastly, Inc.’s CFO Richard Wong reported an open-market sale of 3,748 shares of Class A common stock at a weighted average price of $20.30 per share. According to the filing, the shares were sold to satisfy tax obligations related to the vesting of previously granted restricted stock units. After this transaction, Wong directly holds 1,135,817 Fastly shares.

Insider Trade Summary

Net Seller: 3,748 shares

Net Sell 1 txn

Insider WONG RICHARD

Role CFO

Sold 3,748 shs ($76K)

Type	Security	Shares	Price	Value
Sale	Class A Common Stock	3,748	$20.30	$76K

Holdings After Transaction: Class A Common Stock — 1,135,817 shares (Direct)

Footnotes (2)

1. F1. Shares sold to satisfy tax obligations in connection with the vesting of previously granted Restricted Stock Units.
2. F2. 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. 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.

FAQ

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What did Fastly (FSLY) CFO Richard Wong report in this Form 4?

Fastly CFO Richard Wong reported selling 3,748 shares of Class A common stock. The transaction was an open-market sale primarily to cover tax obligations triggered by vesting restricted stock units, and he retained direct ownership of 1,135,817 shares afterward.

How many Fastly (FSLY) shares did the CFO sell and at what price?

Richard Wong sold 3,748 Fastly Class A common shares at a weighted average price of $20.30 per share. Footnotes state the sale occurred in multiple trades between $19.92 and $20.31, with full trade details available on request.

Why did Fastly (FSLY) CFO Richard Wong sell shares in this transaction?

The filing states the shares were sold to satisfy tax obligations tied to the vesting of previously granted restricted stock units. This indicates the sale was related to equity compensation taxation rather than a discretionary liquidation of his overall Fastly shareholdings.

How many Fastly (FSLY) shares does the CFO still own after the sale?

After the reported sale, Richard Wong directly owns 1,135,817 shares of Fastly Class A common stock. This remaining stake reflects his ongoing equity position following the 3,748-share sale executed to cover tax liabilities from RSU vesting.

Was the Fastly (FSLY) CFO sale an open-market transaction?

Yes, the Form 4 describes the transaction as an open-market sale of non-derivative Class A common stock. The sale code is “S,” and the filing notes multiple executions across a price range from $19.92 to $20.31 per share on the transaction date.

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Accepted by SEC EDGAR 03/04/2026 - 04:07 PM EST Learn about SEC filing dates

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^*

WONG RICHARD

(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)

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

3. Date of Earliest Transaction (Month/Day/Year)
03/03/2026

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	03/03/2026		S(1)		3,748	D	$20.3(2)	1,135,817	D

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

2. 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. 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.

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.
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