Fastly insider plans Rule 144 sale of 7,073 shares

Fastly, Inc. (FSLY) insider Charles L. Compton III filed a Form 144 indicating an intent to sell 7,073 shares of common stock through Morgan Stanley Smith Barney LLC Executive Financial Services.

Rhea-AI Filing Summary

Fastly, Inc. (FSLY) insider Charles L. Compton III filed a Form 144 indicating an intent to sell 7,073 shares of common stock through Morgan Stanley Smith Barney LLC Executive Financial Services. The shares relate to Restricted Stock Units dated July 15, 2026.

The filing also lists recent sales of Fastly common stock over the prior three months, including 11,412 shares for $235,657.80 on July 16, 2026; 9,313 shares for $193,613.18 on June 3, 2026; 15,028 shares for $254,874.88 on May 29, 2026; 11,275 shares for $185,806.04 on May 19, 2026; and 34,334 shares for $578,509.60 on May 18, 2026, with certain transactions identified as 10b5-1 sales.

Key Figures

Planned shares to be sold: 7,073 shares Sale on 07/16/2026: 11,412 shares for $235,657.80 Sale on 06/03/2026: 9,313 shares for $193,613.18 +3 more

6 metrics

Planned shares to be sold 7,073 shares Common stock indicated for sale under Form 144

Sale on 07/16/2026 11,412 shares for $235,657.80 Common stock sale by Charles L. Compton III

Sale on 06/03/2026 9,313 shares for $193,613.18 Common stock sale, identified as 10b5-1 Sales

Sale on 05/29/2026 15,028 shares for $254,874.88 Common stock sale by Charles L. Compton III

Sale on 05/19/2026 11,275 shares for $185,806.04 Common stock sale, identified as 10b5-1 Sales

Sale on 05/18/2026 34,334 shares for $578,509.60 Common stock sale by Charles L. Compton III

Key Terms

Restricted Stock Units, 10b5-1 Sales, Executive Financial Services

3 terms

Restricted Stock Units financial

"Common | 07/15/2026 | Restricted Stock Units | Issuer"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

10b5-1 Sales financial

"10b5-1 Sales for CHARLES L COMPTON III 475 Brannan Street"

10b5-1 sales are pre-arranged stock-trading plans that let company insiders automatically buy or sell shares according to a fixed schedule or formula, even if they later learn confidential information. Think of it as setting up an automatic thermostat for trades: it creates a clear, documented path that can protect insiders from insider-trading accusations and gives investors a signal about predictable insider activity—though it can also simply be a way for insiders to diversify or raise cash.

Executive Financial Services financial

"Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza"

FAQ

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

What does the Form 144 filing for Fastly (FSLY) disclose about planned share sales?

The Form 144 shows Charles L. Compton III plans to sell 7,073 shares of Fastly common stock through Morgan Stanley Smith Barney LLC Executive Financial Services, related to Restricted Stock Units dated July 15, 2026, in reliance on Rule 144 resale provisions.

How many Fastly (FSLY) shares has Charles L. Compton III sold in the last three months?

The filing lists several sales: 11,412 shares for $235,657.80 on July 16, 2026; 9,313 shares for $193,613.18 on June 3, 2026; 15,028 shares for $254,874.88 on May 29, 2026; 11,275 shares for $185,806.04 on May 19, 2026; and 34,334 shares for $578,509.60 on May 18, 2026.

Are the Fastly (FSLY) share sales by Charles L. Compton III under a 10b5-1 plan?

The disclosure identifies certain transactions as 10b5-1 Sales for Charles L. Compton III. This indicates those particular sales were executed under a pre-established trading plan, although not every listed transaction is specifically labeled this way.

What type of securities are covered in Charles L. Compton III’s Fastly (FSLY) Form 144?

The Form 144 covers common stock of Fastly, associated with Restricted Stock Units dated July 15, 2026. The planned disposition of 7,073 shares is to be handled through Morgan Stanley Smith Barney LLC Executive Financial Services.

Which broker is handling the Fastly (FSLY) Form 144 sales for Charles L. Compton III?

The filing lists Morgan Stanley Smith Barney LLC Executive Financial Services, located at 1 New York Plaza, 8th Floor, New York, NY 10004, as the broker handling the proposed 7,073-share Rule 144 transaction in Fastly common stock.

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

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Available on EDGAR 07/17/2026 - 04:20 PM Accepted by SEC EDGAR 07/17/2026 - 04:20 PM 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	001-38897
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	Director
Relationship to Issuer	Officer

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	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	7073	143723.36	156500000	07/17/2026	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	07/15/2026	Restricted Stock Units	Issuer			7073	07/15/2026	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	Common	07/16/2026	11412	235657.80
10b5-1 Sales for CHARLES L COMPTON III 475 Brannan Street, Suite 300 San Francisco CA 94107	Common	06/03/2026	9313	193613.18
CHARLES L COMPTON III 475 Brannan Street, Suite 300 San Francisco CA 94107	Common	05/29/2026	15028	254874.88
10b5-1 Sales for CHARLES L COMPTON III 475 Brannan Street, Suite 300 San Francisco CA 94107	Common	05/19/2026	11275	185806.04
CHARLES L COMPTON III 475 Brannan Street, Suite 300 San Francisco CA 94107	Common	05/18/2026	34334	578509.60

144: Remarks and Signature

Remarks
Date of Notice	07/17/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	08/27/2025
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/ CHARLES L. COMPTON III
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)