[Form 4] Fastly, Inc. Insider Trading Activity

Rhea-AI Filing Summary

Fastly, Inc. reports that Compton Charles Lacey III, identified as a Director and the company's CEO, acquired 277,777 restricted stock units (RSUs) on 08/10/2025. The RSUs are contingent rights to receive one share of Class A common stock upon settlement and are recorded at a $0 price.

Following the grant the reporting person beneficially owns 688,980 shares. The RSUs are 100% initially subject to vesting: one-sixteenth (6.25%) vests on August 15, 2025, with the remainder vesting in 15 equal quarterly installments of one-sixteenth each (6.25% per quarter), conditioned on continued service.

Positive

• 277,777 RSUs granted to the reporting person, explicitly disclosed in the Form 4
• Beneficial ownership of 688,980 shares following the reported transaction is provided
• Clear vesting schedule detailed: 6.25% on August 15, 2025, then 15 equal quarterly installments of 6.25% each

Negative

• None.

Insights

Corporate Governance Expert

TL;DR: CEO received a sizeable RSU grant with a standard time-based vesting schedule; the filing discloses current beneficial ownership.

The Form 4 documents a grant of 277,777 RSUs to Compton Charles Lacey III, with explicit vesting terms: an initial 6.25% tranche on August 15, 2025, then 15 equal quarterly tranches thereafter. The instrument is described as RSUs that convert to Class A common stock upon settlement and are recorded at $0, consistent with a compensation award rather than an open-market purchase. The report also shows total beneficial ownership of 688,980 shares after the transaction, providing transparency on executive holdings.

Compensation Analyst

TL;DR: This is a time-based executive compensation grant with phased quarterly vesting; no cash purchase or option exercise is reported.

The disclosure indicates the award is comprised of RSUs—each representing a contingent right to one share—subject to standard continuous-service vesting. The grant size (277,777 RSUs) and subsequent total ownership (688,980) are explicitly stated. The Form lists a $0 price for the RSUs, consistent with equity grants issued for compensation. Based on the filing alone, this appears to be a routine compensation award rather than a transaction indicating secondary-market trading.

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
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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^*

Compton Charles Lacey III

(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)
	CEO

3. Date of Earliest Transaction (Month/Day/Year)
08/10/2025

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	08/10/2025		A		277,777(1)	A	$0	688,980	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 shares are represented by restricted stock units (RSUs). Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock upon settlement. 100% of the RSUs are initially subject to vesting. One-sixteenth (6.25%) of the total RSUs will vest on August 15, 2025 and the remainder will vest in 15 equal quarterly installments (November, February, May, and August) of one-sixteenth thereafter (6.25% of the total RSUs will vest per quarter), provided in each case that the grantee is providing Continuous Service (as defined in the 2019 Plan) to the Company. Provided that if a quarterly vesting date occurs on any day that is not a trading day, the quarterly vesting date shall instead be the next trading day.

Remarks:

	/s/ Tara Seracka, Attorney-in-Fact	08/13/2025
	** 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.
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FAQ

What did the Fastly (FSLY) Form 4 filed by Compton Charles Lacey III report?

The Form 4 reports a grant of 277,777 restricted stock units (RSUs) on 08/10/2025, representing contingent rights to Class A common stock at a recorded $0 price.

How many shares does the reporting person beneficially own after the transaction?

The filing states the reporting person beneficially owns 688,980 shares following the reported transaction.

What is the RSU vesting schedule disclosed in the Form 4?

Vesting: one-sixteenth (6.25%) of the RSUs vests on August 15, 2025, with the remainder vesting in 15 equal quarterly installments (6.25% per quarter), subject to Continuous Service.

What type of securities were reported on the Form 4 for FSLY?

The reported securities are Class A Common Stock represented by Restricted Stock Units (RSUs), each RSU converting to one share upon settlement.

What is the reporting person’s relationship to Fastly in this filing?

The reporting person, Compton Charles Lacey III, is listed as a Director and an Officer with the title CEO.