Fastly holder plans sale of 33,996 shares

Fastly, Inc. shareholder Charles L. Compton III filed a Form 144 indicating an intention to sell 33,996 restricted shares of Class A common stock through E*TRADE Securities on or before 08/18/2026.

Rhea-AI Filing Summary

Fastly, Inc. shareholder Charles L. Compton III filed a Form 144 indicating an intention to sell 33,996 restricted shares of Class A common stock through E*TRADE Securities on or before 08/18/2026. The filing also lists multiple open-market sales of Fastly Class A common stock during the prior three months, each with disclosed share counts and dollar amounts, confirming an ongoing share-disposal program under Rule 144.

Key Figures

Planned shares for sale: 33996 shares Sale on 05/18/2026: 34334 shares; 578527.9 Sale on 05/19/2026: 11275 shares; 185812 +3 more

6 metrics

Planned shares for sale 33996 shares Restricted Fastly Class A common stock planned for sale by 08/18/2026

Sale on 05/18/2026 34334 shares; 578527.9 Fastly Class A common stock sold by Charles L. Compton III

Sale on 05/19/2026 11275 shares; 185812 Fastly Class A common stock sold in a separate transaction

Sale on 05/29/2026 15028 shares; 254874.88 Fastly Class A common stock proceeds reported

Sale on 06/03/2026 3482 shares; 70231.94 One of several 06/03/2026 Fastly stock sales

Sale on 08/04/2026 14868 shares; 371700 Most recent past sale listed for Fastly Class A stock

Key Terms

Form 144, restricted, Class A Common Stock

3 terms

Form 144 regulatory

"144: Securities Sold During The Past 3 Months"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

restricted financial

"COMMON | 08/15/2026 | RESTRICTED | FASTLY, INC."

Class A Common Stock financial

"Class A Common Stock | 05/18/2026 | 34334 | 578527.9"

Class A common stock is a category of a company’s shares that carries a specific set of ownership rights—most commonly defined voting power and claims on dividends—set out in the company’s charter. For investors it matters because the class determines how much influence you have over corporate decisions, the share’s likely dividend and trading behavior, and how it compares in value to other share classes, like choosing a particular seat with different privileges at the company’s decision-making table.

FAQ

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

What does Fastly (FSLY) shareholder Charles L. Compton III plan to sell under this Form 144?

The Form 144 states that 33,996 restricted shares of Fastly Class A common stock are planned for sale through E*TRADE Securities, with a noted date of 08/18/2026 for the transaction window.

Which broker is handling the planned Fastly (FSLY) stock sale?

The planned sale of 33,996 restricted shares of Fastly Class A common stock is listed as being handled by E*TRADE Securities LLC, based in Alpharetta, Georgia, according to the Form 144 disclosure.

What recent Fastly (FSLY) stock sales by Charles L. Compton III are disclosed?

The filing lists several prior sales of Fastly Class A common stock, including 34,334 shares on 05/18/2026 for proceeds of 578527.9, plus additional transactions in May, June, July, and August 2026 with specified share and dollar amounts.

What is the time frame of past Fastly (FSLY) sales reported in this Form 144?

The past sales section covers transactions from 05/18/2026 through 08/04/2026, showing multiple trades in Fastly Class A common stock with detailed share quantities and associated dollar proceeds for each date.

What type of Fastly (FSLY) security is involved in the Form 144 filing?

All transactions in the Form 144 relate to Fastly, Inc. Class A Common Stock, including both the planned sale of 33,996 restricted shares and the prior open-market sales disclosed for the preceding three months.

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

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Accepted by SEC EDGAR 08/14/2026 - 04:13 PM EDT Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0002074428
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	Fastly, Inc.
SEC File Number
Address of Issuer	475 Brannan Street Suite 300 San Francisco CALIFORNIA 94107
Phone	8444327859
Name of Person for Whose Account the Securities are To Be Sold	Charles L. Compton III
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Officer
Relationship to Issuer	Director

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
COMMON	E*TRADE SECURITIES LLC. 4005 Windward Plaza Dr. Alpharetta GA 30005	33996	943389	159274787	08/18/2026	Nasdaq

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
COMMON	08/15/2026	RESTRICTED	FASTLY, INC.			33996	08/15/2026	N/A

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Charles L. Compton III 475 Brannan Street, Suite 300 San Francisco CA 94107	Class A Common Stock	05/18/2026	34334	578527.9
Charles L. Compton III 475 Brannan Street, Suite 300 San Francisco CA 94107	Class A Common Stock	05/19/2026	11275	185812
Charles L. Compton III 475 Brannan Street, Suite 300 San Francisco CA 94107	Class A Common Stock	05/29/2026	15028	254874.88
Charles L. Compton III 475 Brannan Street, Suite 300 San Francisco CA 94107	Class A Common Stock	06/03/2026	3482	70231.94
Charles L. Compton III 475 Brannan Street, Suite 300 San Francisco CA 94107	Class A Common Stock	06/03/2026	5746	121527.9
Charles L. Compton III 475 Brannan Street, Suite 300 San Francisco CA 94107	Class A Common Stock	06/03/2026	85	1857.25
Charles L. Compton III 475 Brannan Street, Suite 300 San Francisco CA 94107	Class A Common Stock	07/16/2026	11412	235657.8
Charles L. Compton III 475 Brannan Street, Suite 300 San Francisco CA 94107	Class A Common Stock	07/17/2026	2714	55664.14
Charles L. Compton III 475 Brannan Street, Suite 300 San Francisco CA 94107	Class A Common Stock	07/17/2026	4204	88704.4
Charles L. Compton III 475 Brannan Street, Suite 300 San Francisco CA 94107	Class A Common Stock	07/17/2026	155	3394.5
Charles L. Compton III 475 Brannan Street, Suite 300 San Francisco CA 94107	Class A Common Stock	08/04/2026	14868	371700

144: Remarks and Signature

Remarks
Date of Notice	08/14/2026
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ Tara Seracka, Attorney-in-Fact for Charles L. Compton III
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)