Fastly (FSLY) president sells 76,635 shares under Rule 10b5-1 plan

Rhea-AI Filing Summary

Fastly, Inc. executive Scott R. Lovett, President, Go to Market, reported open-market sales of an aggregate 76,635 shares of Class A common stock on March 17–18, 2026, at prices from $22.28 to $27.56 per share based on weighted averages.

Following these transactions, he directly holds 1,503,878 shares. A footnote states the shares were sold to satisfy tax obligations tied to vesting of previously granted restricted stock units, and another notes the sales were executed under a Rule 10b5-1 trading plan adopted on February 28, 2025, indicating they were pre-planned.

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^*

Lovett Scott R.

(Last) (First) (Middle)

C/O FASTLY, INC.

475 BRANNAN STREET, SUITE 300

(Street)

SAN FRANCISCO CALIFORNIA 94107

(City) (State) (Zip)

UNITED STATES

(Country)

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)
	President, Go to Market

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
03/17/2026

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

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

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

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	03/17/2026		S(1)		34,953	D	$22.28(2)	1,545,560	D
Class A Common Stock	03/18/2026		S(3)		6,409	D	$24.86(4)	1,539,151	D
Class A Common Stock	03/18/2026		S(3)		7,691	D	$25.63(5)	1,531,460	D
Class A Common Stock	03/18/2026		S(3)		11,782	D	$26.71(6)	1,519,678	D
Class A Common Stock	03/18/2026		S(3)		15,800	D	$27.3(7)	1,503,878	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 $22.28 to $22.40, 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 (2), (4), (5), (6) and (7) to this Form 4.

3. The sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 28, 2025.

4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $24.11 to $25.09, inclusive.

5. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $25.11 to $26.10, inclusive.

6. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $26.11 to $27.10, inclusive.

7. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $27.11 to $27.56, inclusive.

Remarks:

	/s/ Tara Seracka, Attorney-in-Fact	03/19/2026
	** 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.
* Form 4: SEC 1474 (03-26)

FAQ

What insider transaction did Fastly (FSLY) report for Scott R. Lovett?

Fastly reported that Scott R. Lovett executed open-market sales totaling 76,635 shares of Class A common stock. The transactions occurred on March 17–18, 2026, at weighted average prices between $22.28 and $27.56 per share, as disclosed in multiple sale entries.

At what prices did Fastly (FSLY) executive Scott R. Lovett sell shares?

Scott R. Lovett’s reported sales used weighted average prices ranging from $22.28 to $27.56 per share. Individual Form 4 entries list transaction prices such as $22.28, $24.86, $25.63, $26.71, and $27.30, each representing weighted averages over multiple trade executions.

How many Fastly (FSLY) shares does Scott R. Lovett hold after these sales?

After the reported transactions, Scott R. Lovett directly holds 1,503,878 shares of Fastly Class A common stock. This post-transaction figure is shown in the final Form 4 line item, reflecting his remaining direct ownership following the March 17–18, 2026 open-market sales.

Were Scott R. Lovett’s Fastly (FSLY) share sales part of a trading plan?

Yes. A footnote states the sales were effected under a Rule 10b5-1 trading plan adopted on February 28, 2025. Such plans are pre-arranged trading programs, indicating the timing of the March 2026 sales was established in advance rather than decided spontaneously.

Why did Scott R. Lovett sell Fastly (FSLY) shares according to the filing?

A footnote explains that shares were sold to satisfy tax obligations arising from the vesting of previously granted restricted stock units. This indicates the transactions were primarily to cover taxes associated with equity compensation rather than purely discretionary portfolio rebalancing.

What does the weighted average price disclosure mean in Fastly (FSLY) Form 4?

The Form 4 notes that reported prices are weighted averages for multiple trades within stated ranges, such as $22.28–$22.40 or $26.11–$27.10. The filer undertakes to provide exact per-trade details to the issuer, shareholders, or SEC staff upon request.