Insider sale notice: Charles Compton sells company stock

Charles L. Compton III filed a Form 144 reporting proposed sales of Common Stock under scheduled 10b5-1 plans and restricted stock unit transactions.

Rhea-AI Filing Summary

Charles L. Compton III filed a Form 144 reporting proposed sales of Common Stock under scheduled 10b5-1 plans and restricted stock unit transactions. Recent disclosed transactions include sales on 04/16/2026 (11,042 shares, $276,050) and multiple earlier 2026 sales listed in the filing.

Key Figures

Shares sold on 04/16/2026: 11,042 shares Proceeds on 04/16/2026: $276,050 Largest listed lot: 59,224 shares +2 more

5 metrics

Shares sold on 04/16/2026 11,042 shares 10b5-1 sale reported on 04/16/2026

Proceeds on 04/16/2026 $276,050 Gross proceeds from 11,042-share sale on 04/16/2026

Largest listed lot 59,224 shares Sale on 03/04/2026 with proceeds $1,247,257.44

Proceeds on 03/11/2026 $1,233,750.00 49,350-share 10b5-1 sale on 03/11/2026

Form type Form 144 Notice of proposed sale by affiliate

Key Terms

10b5-1 Sales, Restricted Stock Units, Form 144

3 terms

10b5-1 Sales regulatory

"10b5-1 Sales for CHARLES L COMPTON III"

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.

Restricted Stock Units financial

"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.

Form 144 regulatory

"144: Filer Information"

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.

FAQ

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

What does the Form 144 filing for FSLY show?

The filing reports proposed sales of Common Stock by Charles L. Compton III under 10b5-1 plans and RSU-related transactions. It lists multiple sale dates in 2026 with specific share counts and gross proceeds for each trade.

How many shares did Charles L. Compton III sell on 04/16/2026 for FSLY?

The filing shows a sale of 11,042 shares on 04/16/2026, generating gross proceeds of $276,050. This entry is listed among several 10b5-1 sales in the filing excerpt.

Are the Form 144 sales for FSLY part of a 10b5-1 plan?

Yes. Multiple entries in the filing are labeled as 10b5-1 Sales for Charles L. Compton III, indicating those trades were effected under prearranged trading plans as described in the excerpt.

What other large sales are listed in the FSLY Form 144 excerpt?

The excerpt lists a 59,224-share sale on 03/04/2026 with gross proceeds of $1,247,257.44, and a 49,350-share sale on 03/11/2026 with proceeds of $1,233,750.00.

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

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Accepted by SEC EDGAR 04/17/2026 - 04:39 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	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	7059	175627.92	151800000	04/17/2026	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	04/15/2026	Restricted Stock Units	Issuer			7059	04/15/2026	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
10b5-1 Sales for CHARLES L COMPTON III 475 Brannan Street, Suite 300 San Francisco CA 94107	Common	04/16/2026	11042	276050.00
CHARLES L COMPTON III 475 Brannan Street, Suite 300 San Francisco CA 94107	Common	04/15/2026	11432	270824.08
10b5-1 Sales for CHARLES L COMPTON III 475 Brannan Street, Suite 300 San Francisco CA 94107	Common	03/11/2026	49350	1233750.00
10b5-1 Sales for CHARLES L COMPTON III 475 Brannan Street, Suite 300 San Francisco CA 94107	Common	03/05/2026	36694	759066.76
10b5-1 Sales for CHARLES L COMPTON III 475 Brannan Street, Suite 300 San Francisco CA 94107	Common	03/04/2026	13982	285371.22
CHARLES L COMPTON III 475 Brannan Street, Suite 300 San Francisco CA 94107	Common	03/04/2026	59224	1247257.44
CHARLES L COMPTON III 475 Brannan Street, Suite 300 San Francisco CA 94107	Common	03/03/2026	13244	268853.20
10b5-1 Sales for CHARLES L COMPTON III 475 Brannan Street, Suite 300 San Francisco CA 94107	Common	02/19/2026	14797	279404.35
CHARLES L COMPTON III 475 Brannan Street, Suite 300 San Francisco CA 94107	Common	02/18/2026	12916	226417.48
10b5-1 Sales for CHARLES L COMPTON III 475 Brannan Street, Suite 300 San Francisco CA 94107	Common	01/20/2026	4638	40861.04

144: Remarks and Signature

Remarks
Date of Notice	04/17/2026
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)