Fastly executive Lovett sells 41,815 shares

Fastly’s President, Go to Market, reported pre-planned open-market sales totaling over forty thousand Class A shares.

Available on EDGAR 09/21/2026 - 04:46 PM EDT Accepted by SEC EDGAR 09/21/2026 - 04:45 PM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

Fastly, Inc. (FSLY) reported that Scott R. Lovett, its President, Go to Market, sold a total of 41,815 shares of Class A Common Stock on September 17, 2026. The sales, executed in multiple transactions at weighted average prices between $23.56 and $25.38, were made pursuant to a Rule 10b5-1 trading plan adopted on February 28, 2025.

Insider Trade Summary 10b5-1

Net Seller: 41,815 shares

Net Sell 3 txns

Insider Lovett Scott R.

Role President, Go to Market

Sold 41,815 shs ($1.03M)

Share of Position Sold 3.2%

Type	Security	Shares	Price	Value
Sale	Class A Common Stock F1, F2	1,800	$23.56	$42K
Sale	Class A Common Stock F1, F3	34,325	$24.58	$844K
Sale	Class A Common Stock F1, F4	5,690	$25.38	$144K

Holdings After Transaction: Class A Common Stock — 1,281,583 shares (Direct)

Holdings Before and After: Class A Common Stock, 1,323,398 to 1,281,583 shares (Direct)

Other Insiders: 5 other insiders reported open-market sales of this stock in the 30 days up to this filing.

Footnotes (4)

1. F1. The sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 28, 2025.
2. F2. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $22.98 to $23.88, 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), (3) and (4)to this Form 4.
3. F3. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $23.99 to $24.98, inclusive.
4. F4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $24.99 to $25.73, inclusive.

Key Figures

Shares sold (first block): 1,800 shares Weighted average price (first block): $23.56 per share Shares sold (second block): 34,325 shares +5 more

8 metrics

Shares sold (first block) 1,800 shares Class A Common Stock sold on September 17, 2026 at a weighted average price

Weighted average price (first block) $23.56 per share 1,800 shares of Class A Common Stock sold on September 17, 2026

Shares sold (second block) 34,325 shares Class A Common Stock sold on September 17, 2026 at a weighted average price

Weighted average price (second block) $24.58 per share 34,325 shares of Class A Common Stock sold on September 17, 2026

Shares sold (third block) 5,690 shares Class A Common Stock sold on September 17, 2026 at a weighted average price

Weighted average price (third block) $25.38 per share 5,690 shares of Class A Common Stock sold on September 17, 2026

Total shares sold 41,815 shares Aggregate of three reported sale transactions on September 17, 2026

Rule 10b5-1 plan adoption date February 28, 2025 Date Scott R. Lovett adopted the trading plan used for the September 17, 2026 sales

Key Terms

Rule 10b5-1 trading plan, weighted average price, open market or private transaction

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.

weighted average price financial

"The price reported in Column 4 is a weighted average price."

Weighted average price is the average price of a security where each trade or component is counted according to its size, so bigger trades pull the average more than smaller ones. Think of it like calculating the average cost of a grocery haul where items you bought more of have greater influence on the final per-item cost. Investors use it to understand the true average price paid or received, judge execution quality, and compare trading performance against market movement.

open market or private transaction financial

"Sale in open market or private transaction"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

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

Fastly disclosed that Scott R. Lovett, President, Go to Market, sold 41,815 shares of Class A Common Stock on September 17, 2026 in open-market or private transactions.

At what prices were Scott R. Lovett’s FSLY shares sold?

The reported weighted average prices were $23.56 for 1,800 shares, $24.58 for 34,325 shares, and $25.38 for 5,690 shares, with actual individual trade prices within stated ranges around each average.

How many Fastly (FSLY) shares did Scott R. Lovett sell in total?

Scott R. Lovett sold a total of 41,815 shares of Fastly Class A Common Stock across three transactions on September 17, 2026.

Were Scott R. Lovett’s Fastly (FSLY) stock sales under a Rule 10b5-1 plan?

Yes. The filing states the sales were effected pursuant to a Rule 10b5-1 trading plan adopted by Scott R. Lovett on February 28, 2025.

Does the Form 4 state Scott R. Lovett’s remaining Fastly (FSLY) holdings?

No specific post-transaction share balance is reported for these sales; the relevant Form 4 fields for shares held after the transactions are not filled in.

How were the sale prices for FSLY shares described in the Form 4?

For each sale block, the Form 4 reports a weighted average price, noting the shares were sold in multiple transactions within specified price ranges on September 17, 2026.

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

Form 4 Insider Transactions: What Each Field Means →

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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 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)
09/17/2026

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	09/17/2026		S(1)		1,800	D	$23.56(2)	1,321,598	D
Class A Common Stock	09/17/2026		S(1)		34,325	D	$24.58(3)	1,287,273	D
Class A Common Stock	09/17/2026		S(1)		5,690	D	$25.38(4)	1,281,583	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 $22.98 to $23.88, 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), (3) and (4)to this Form 4.

3. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $23.99 to $24.98, inclusive.

4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $24.99 to $25.73, inclusive.

Remarks:

	/s/ Tara Seracka, Attorney-in-Fact	09/21/2026
	** 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)