Compton Charles Lacey III 4

What Happened
Charles Lacey III, CEO and a director of Fastly, sold a total of 36,694 shares in two open-market transactions on March 5, 2026, generating combined proceeds of roughly $759,020. The filings report: 29,294 shares sold at a weighted average price of $20.55 for $601,992, and 7,400 shares sold at a weighted average price of $21.22 for $157,028. Both sales are reported as dispositions (transaction code S).

Key Details

• Transaction date: March 5, 2026; filing date: March 9, 2026 (timely filed).
• Sale details: 29,294 shares @ weighted avg $20.55 (range $20.09–$21.08); 7,400 shares @ weighted avg $21.22 (range $21.09–$21.41).
• Total proceeds: approximately $759,020.
• Transactions effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 27, 2025 (footnote F1).
• The filing notes weighted-average prices and multiple trades; the reporting person offers to provide a breakdown of how many shares sold at each price upon request (footnotes F2/F3).
• Shares owned after the transactions are not included in the provided excerpt of the filing — check the full Form 4 for post-transaction ownership.

Context
These were sales (dispositions) executed under a pre-established 10b5-1 plan, which is a common mechanism insiders use to sell shares on a set schedule and does not, by itself, indicate a change in insider sentiment. For retail investors, purchases typically carry more direct informational weight; sales under 10b5-1 plans are often routine or pre-arranged.