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  4. [144] Fastly, Inc. SEC Filing

Fastly insider plans sale of 9,458 shares

A Fastly insider has filed a Rule 144 notice to sell 9,458 shares, alongside recent 10b5-1 plan sales.

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
144

Rhea-AI Filing Summary

Fastly, Inc. (FSLY) reports that Charles L. Compton III has filed a notice under Rule 144 to potentially sell 9,458 shares of common stock, with an indicated aggregate market value of $196,442.66, relative to 159,300,000 shares of common stock outstanding. The notice also lists several recent open-market sales, some made pursuant to a Rule 10b5-1 trading plan.

Positive

  • None.

Negative

  • None.
Shares to be sold under Rule 144 9,458 shares Common stock covered by the notice for potential sale
Aggregate market value of shares to be sold $196,442.66 Estimated value of 9,458 shares covered by the notice
Shares outstanding 159,300,000 shares Fastly common stock outstanding as referenced in the notice
Recent sale on September 1, 2026 55,579 shares for $1,188,669.26 Common stock sale reported during the past three months
Recent sale on August 31, 2026 15,028 shares for $345,644.00 Common stock sale reported during the past three months
Recent sale on August 18, 2026 34,552 shares for $988,336.04 Common stock sale reported during the past three months
Recent sale on June 3, 2026 9,313 shares for $193,613.18 Common stock sale reported during the past three months
Rule 144 regulatory
"See the definition of "person" in paragraph (a) of Rule 144."
Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.
10b5-1 regulatory
"10b5-1 Sales for CHARLES L COMPTON III 475 Brannan Street, Suite 300"
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.
Performance Stock Units financial
"Common | 08/28/2026 | Performance Stock Units | Issuer"
Performance stock units are a type of company award that grants employees shares of stock only if certain performance goals are met. They motivate employees to work toward specific company achievements, aligning their interests with those of shareholders. For investors, they can influence a company's future stock supply and reflect management’s confidence in reaching key targets.
aggregate market value financial
"| Common | Morgan Stanley Smith Barney LLC Executive Financial Services"
Aggregate market value is the combined price you would pay to buy all outstanding shares of a company or all companies in a group at current market prices — essentially the sum of each stock’s market capitalization. It matters to investors because it shows the overall size and weight of an investment or sector (like the total cost to buy every piece of a puzzle), helps compare scale across companies or markets, and influences index composition and risk exposure.

FAQ

What does the Form 144 filing reveal about Fastly, Inc. (FSLY)?
The filing shows that Charles L. Compton III has notified an intent under Rule 144 to potentially sell 9,458 shares of Fastly common stock, with an indicated aggregate market value of $196,442.66, against 159,300,000 shares outstanding.

How many Fastly (FSLY) shares are covered by the new Rule 144 notice?
The notice covers a potential sale of 9,458 shares of Fastly common stock, with an indicated aggregate market value of $196,442.66 on the notice date of September 2, 2026.

How many Fastly (FSLY) shares are reported as outstanding in this filing?
The filing states that 159,300,000 shares of Fastly common stock were outstanding, providing context for the 9,458 shares that may be sold under this Rule 144 notice.

What recent Fastly (FSLY) stock sales by Charles L. Compton III are disclosed?
Recent sales include 55,579 shares on September 1, 2026 for $1,188,669.26 and 15,028 shares on August 31, 2026 for $345,644.00, along with several other smaller transactions during June–August 2026.

Were any of the recent Fastly (FSLY) insider sales made under a 10b5-1 plan?
Yes. Several entries are labeled “10b5-1 Sales for CHARLES L COMPTON III”, including transactions on September 1, 2026, August 19, 2026, August 4, 2026, July 17, 2026, and June 3, 2026.

What type of Fastly (FSLY) equity is associated with the shares to be sold?
The securities to be sold are listed as common stock related to Performance Stock Units with an acquisition date of August 28, 2026 and an amount of 9,458 shares.

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

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144: Filer Information

144: Issuer Information

144: Securities Information



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


* 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

144: Remarks and Signature

Source: View Original Filing on SEC EDGAR