Fastly director sells $69K in Class A shares

Fastly, Inc. (FSLY) director Christopher B. Paisley reported selling 3,000 shares of Class A common stock on August 31, 2026 at $23.00 per share in an open-market or private transaction.

Rhea-AI Filing Summary

Fastly, Inc. (FSLY) director Christopher B. Paisley reported selling 3,000 shares of Class A common stock on August 31, 2026 at $23.00 per share in an open-market or private transaction. The sale was made indirectly through the Christopher Paisley TTEE Paisley Living Trust DTD 12/28/94 under a Rule 10b5-1 trading plan adopted on February 26, 2026.

After the transactions and an administrative correction reclassifying 1,000 shares from indirect to direct ownership, Paisley beneficially owns 280,485 shares indirectly through the trust and 15,828 shares directly; total beneficial ownership remained unchanged by the correction.

Insider Trade Summary 10b5-1

Net Seller: 3,000 shares

Net Sell 2 txns

Insider PAISLEY CHRISTOPHER B

Role Director

Sold 3,000 shs ($69K)

Type	Security	Shares	Price	Value
Sale	Class A Common Stock F1, F2, F3	3,000	$23.00	$69K
holding	Class A Common Stock F2	--	--	--

Holdings After Transaction: Class A Common Stock — 280,485 shares (Indirect, See Footnote); Class A Common Stock — 15,828 shares (Direct)

Footnotes (3)

1. F1. The sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 26, 2026.
2. F2. Amounts reflect the shift from indirect to direct ownership of 1,000 shares to correct an administrative error in the reporting person's Form 4 filed on June 2, 2026, which was carried over on the reporting person's Form 4 filed on June 5, 2026. The June 2, 2026 filing inadvertently reported that the sale of 1,000 shares was deducted from the reporting person directly, rather than the Christopher Paisley TTEE Paisley Living Trust DTD 12/28/94. Total beneficial ownership was correctly reported on both prior filings.
3. F3. The shares are held by the Christopher Paisley TTEE Paisley Living Trust DTD 12/28/94.

Key Figures

Shares sold: 3,000 shares Sale price per share: $23.00 per share Implied transaction value: $69,000 +4 more

7 metrics

Shares sold 3,000 shares Class A common stock sale by Christopher B. Paisley on August 31, 2026

Sale price per share $23.00 per share Reported price for the 3,000-share sale on August 31, 2026

Implied transaction value $69,000 3,000 shares sold at $23.00 per share

Indirect holdings after transaction 280,485 shares Indirectly owned through Christopher Paisley TTEE Paisley Living Trust DTD 12/28/94

Direct holdings after transaction 15,828 shares Directly owned Fastly Class A common stock after the reported transactions

Rule 10b5-1 plan adoption date February 26, 2026 Date Paisley adopted the trading plan used for the 3,000-share sale

Reclassified shares 1,000 shares Shifted from indirect to direct ownership to correct prior Form 4 reporting

Key Terms

Rule 10b5-1 trading plan, indirect ownership, beneficial ownership

3 terms

Rule 10b5-1 trading plan regulatory

"The sale was effected pursuant to a Rule 10b5-1 trading plan adopted"

A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.

indirect ownership financial

"Amounts reflect the shift from indirect to direct ownership of 1,000 shares"

beneficial ownership financial

"Total beneficial ownership was correctly reported on both prior filings"

Beneficial ownership means the person or entity that actually enjoys the benefits of owning shares or other assets — such as receiving dividends, voting rights, or price gains — even if the legal title is held in another name. For investors it matters because knowing who truly controls and profits from a company reveals who can influence decisions, exposes potential conflicts of interest or hidden concentration of power, and affects transparency and risk in the stock.

FAQ

What insider transaction did Fastly (FSLY) director Christopher B. Paisley report?

Christopher B. Paisley reported selling 3,000 shares of Fastly Class A common stock on August 31, 2026 at $23.00 per share, in a sale characterized as an open-market or private transaction.

Was the August 31, 2026 Fastly (FSLY) insider sale under a Rule 10b5-1 plan?

Yes. The filing states the 3,000-share sale on August 31, 2026 was effected pursuant to a Rule 10b5-1 trading plan adopted by Christopher B. Paisley on February 26, 2026.

How many Fastly (FSLY) shares does Christopher B. Paisley own after this Form 4?

After the reported transactions, Christopher B. Paisley beneficially owns 280,485 shares indirectly through the Christopher Paisley TTEE Paisley Living Trust DTD 12/28/94 and 15,828 shares directly of Fastly Class A common stock.

What administrative correction to Fastly (FSLY) share ownership did this Form 4 disclose?

The filing explains that 1,000 shares were reclassified from indirect to direct ownership to correct an administrative error in Forms 4 filed on June 2 and June 5, 2026; total beneficial ownership was correctly reported in those prior filings.

Who holds the indirectly owned Fastly (FSLY) shares reported by Christopher B. Paisley?

The indirectly owned Fastly shares are held by the Christopher Paisley TTEE Paisley Living Trust DTD 12/28/94, as disclosed in the Form 4 footnotes describing the nature of indirect ownership.

What is the approximate dollar value of the reported Fastly (FSLY) insider sale?

The reported sale involved 3,000 shares at $23.00 per share, for an implied transaction value of about $69,000, based on the per-share price stated in the Form 4.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 09/02/2026 - 04:58 PM Accepted by SEC EDGAR 09/02/2026 - 04:57 PM 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).

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^*

PAISLEY CHRISTOPHER B

(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)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/31/2026

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	08/31/2026		S(1)		3,000	D	$23	280,485(2)	I	See Footnote(3)
Class A Common Stock								15,828(2)	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 26, 2026.

2. Amounts reflect the shift from indirect to direct ownership of 1,000 shares to correct an administrative error in the reporting person's Form 4 filed on June 2, 2026, which was carried over on the reporting person's Form 4 filed on June 5, 2026. The June 2, 2026 filing inadvertently reported that the sale of 1,000 shares was deducted from the reporting person directly, rather than the Christopher Paisley TTEE Paisley Living Trust DTD 12/28/94. Total beneficial ownership was correctly reported on both prior filings.

3. The shares are held by the Christopher Paisley TTEE Paisley Living Trust DTD 12/28/94.

Remarks:

	/s/ Tara Seracka, Attorney-in-Fact	09/02/2026
	** 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)