[Form 4] Fastly, Inc. Insider Trading Activity

Rhea-AI Filing Summary

Lovett Scott R., President, Go to Market at Fastly, Inc. (FSLY), reported a planned sale of 42,172 shares of Class A common stock executed on 09/17/2025 under a Rule 10b5-1 trading plan adopted on 02/28/2025. The reported weighted-average sale price was $8.41, with individual trades ranging from $8.34 to $8.47. After the transactions, the reporting person is listed as beneficially owning 1,088,551 shares of Class A common stock. The filer notes willingness to provide detailed per-price trade information on request.

Insights

Corporate Governance Expert

TL;DR: Routine insider sale under a 10b5-1 plan, indicating pre-specified disposition rather than ad-hoc trading.

The filing shows an officer-level sale executed pursuant to a Rule 10b5-1 plan established earlier in the year. Use of a documented 10b5-1 plan generally reduces concerns about contemporaneous insider information driving the transaction because the plan predates the trades. The report also discloses the weighted-average price and a price range, and the reporting person offers to provide per-trade price details if requested, which enhances transparency.

Securities Analyst

TL;DR: Non-derivative disposition of 42,172 shares at a weighted avg $8.41; post-sale holding remains substantial.

The transaction reduced the reporting person's direct holdings by the reported amount, leaving 1,088,551 shares beneficially owned. The sale price range ($8.34–$8.47) and weighted-average price are provided, which allows precise calculation of proceeds if combined with share counts. This is a routine disclosure of an insider sale and does not include other compensatory or derivative transactions.

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).

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 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)
	President, Go to Market

3. Date of Earliest Transaction (Month/Day/Year)
09/17/2025

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	09/17/2025		S(1)		42,172	D	$8.41(2)	1,088,551	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. The sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 28, 2025.

2. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $8.34 to $8.47. 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	09/19/2025
	** 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 did Lovett Scott R. disclose in the Form 4 for FSLY?

The report discloses a sale of 42,172 shares of Class A common stock executed on 09/17/2025 under a Rule 10b5-1 plan.

At what price were the FSLY shares sold according to the Form 4?

The weighted-average sale price was reported as $8.41, with individual trades ranging from $8.34 to $8.47.

How many FSLY shares does the reporting person own after the sale?

The filing shows beneficial ownership of 1,088,551 shares of Class A common stock following the reported transactions.

Was the sale part of an automated plan?

Yes. The filing states the sale was effected pursuant to a Rule 10b5-1 trading plan adopted on 02/28/2025.

Can I obtain the number of shares sold at each price within the reported range?

The reporting person offers to provide, upon request, full information regarding the number of shares sold at each separate price within the stated range.