Form 144: 11,275 RSUs and multiple 10b5-1 sales

Morgan Stanley Smith Barney LLC submitted a Form 144 notice relating to proposed sales of Common stock tied to Restricted Stock Units.

Rhea-AI Filing Summary

Morgan Stanley Smith Barney LLC submitted a Form 144 notice relating to proposed sales of Common stock tied to Restricted Stock Units. The filing lists 11,275 RSUs with an event date of 05/15/2026 and multiple completed brokered sales by Charles L. Compton III across March–May 2026.

The entry shows a series of 10b5-1 sales with individual trades (for example, 34,334 shares on 05/15/2026 for $578,509.60) and earlier 10b5-1 dispositions in March and April 2026.

Insights

Corporate Governance Specialist

Form 144 records proposed sale of RSUs and multiple 10b5-1 sales by an insider.

The filing lists 11,275 Restricted Stock Units dated 05/15/2026 and an itemized set of brokered dispositions by Charles L. Compton III, many labeled as 10b5-1 sales. The record is administrative: it notifies the market of intended or recently executed transactions.

Cash‑flow treatment and any issuer proceeds are not stated in the excerpt. Subsequent public filings or transaction confirmations would show settlement details and any remaining holdings.

Key Figures

RSUs listed: 11,275 shares Example sale — 05/15/2026: 34,334 shares Proceeds — 05/15/2026 trade: $578,509.60 +2 more

5 metrics

RSUs listed 11,275 shares Restricted Stock Units dated 05/15/2026

Example sale — 05/15/2026 34,334 shares Sale reported on 05/15/2026

Proceeds — 05/15/2026 trade $578,509.60 Proceeds from 34,334-share sale on 05/15/2026

Sale — 03/11/2026 49,350 shares 10b5-1 sale on 03/11/2026

Proceeds — 03/11/2026 trade $1,233,750.00 Proceeds from 49,350-share sale on 03/11/2026

Key Terms

Restricted Stock Units, 10b5-1, Form 144

3 terms

Restricted Stock Units financial

"Restricted Stock Units | Issuer | 11,275 | 05/15/2026"

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 regulatory

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

A 10b5-1 plan is a pre-set schedule that lets company insiders buy or sell shares according to written instructions made when they do not possess material, nonpublic information. Think of it as a timed automatic payment for stock trades: it helps insiders avoid accusations of trading on secret information and gives outside investors a clearer signal about whether sales are routine or potentially informative about the company’s prospects.

Form 144 regulatory

"Filer Information | Issuer Information | Securities To Be Sold"

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 for FSLY disclose?

The Form 144 discloses a notice to sell 11,275 Restricted Stock Units with date 05/15/2026. It also lists executed brokered sales by Charles L. Compton III labeled as 10b5-1 transactions across March–May 2026.

Who executed the stock sales shown in the filing for FSLY?

The filing lists multiple sales by Charles L. Compton III, including a 34,334-share sale on 05/15/2026 with proceeds of $578,509.60. Several other trades in March and April 2026 are also itemized.

Are the sales in the Form 144 described as pre-arranged trades?

Many dispositions in the excerpt are labeled as 10b5-1 sales, indicating they were executed under a pre-established trading plan. The filing text itself uses that label for multiple dated trades in 2026.

Does the Form 144 state who receives the proceeds from these sales?

The excerpt does not state the recipient of sale proceeds. It records transaction sizes and proceeds amounts (for example, $578,509.60) but does not specify whether proceeds go to the issuer or selling holder in this excerpt.

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

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Accepted by SEC EDGAR 05/19/2026 - 04:36 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	11275	188405.25	156500000	05/19/2026	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	05/15/2026	Restricted Stock Units	Issuer			11275	05/15/2026	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	05/15/2026	34334	578509.60
10b5-1 Sales for CHARLES L COMPTON III 475 Brannan Street, Suite 300 San Francisco CA 94107	Common	04/17/2026	7059	173443.16
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

144: Remarks and Signature

Remarks
Date of Notice	05/19/2026
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)