Charles Lacey Compton III, CEO and Director of Fastly, Inc. (NASDAQ:FSLY), filed a Form 4 on August 20, 2026, reporting the sale of Class A Common Stock on August 18 and August 19, 2026.

Key Highlights

  • Tax-related sale: 34,552 shares were sold on August 18, 2026, at a weighted average price of $28.60, to satisfy tax obligations connected with the vesting of previously granted Restricted Stock Units.
  • Rule 10b5-1 plan sales: Three additional sales totaling 11,198 shares occurred on August 19, 2026, pursuant to a Rule 10b5-1 trading plan adopted on August 27, 2025.
  • August 19 prices: Sales were executed at weighted average prices of $24.08, $25.08, and $26.05 for 5,098, 5,400, and 700 shares, respectively.
  • Remaining ownership: Following all reported transactions, Compton directly holds 984,842 shares of Class A Common Stock.
  • All transactions direct: All shares reported are held directly by the reporting person, with no indirect ownership reported.

Fastly CEO's Share Sales and Remaining Beneficial Ownership

According to the filing, Charles Lacey Compton III, who serves as both CEO and Director of Fastly, Inc., disposed of a combined 45,750 shares of Class A Common Stock across two trading days. The August 18, 2026, sale of 34,552 shares at a weighted average price of $28.60 was specifically identified as being made "to satisfy tax obligations in connection with the vesting of previously granted Restricted Stock Units." The filing notes those shares were sold in multiple transactions at prices ranging from $28.60 to $29.11, inclusive.

The three sales on August 19, 2026, covering 5,098, 5,400, and 700 shares, were reported as executed under a Rule 10b5-1 trading plan that the reporting person adopted on August 27, 2025. Weighted average prices for those transactions were $24.08 (shares ranging from $23.63 to $24.62), $25.08 (shares ranging from $24.64 to $25.57), and $26.05 (shares ranging from $25.70 to $26.30), respectively, according to the filing.

The filing discloses that following all four reported transactions, Compton directly beneficially owns 984,842 shares of Class A Common Stock. The form was signed by Tara Seracka as Attorney-in-Fact on August 20, 2026. The filing also notes that the reporting person will provide full per-price transaction details upon request to the issuer, any security holder, or the SEC staff.

What Was Disclosed

Fastly's CEO disclosed the disposal of 45,750 shares of Class A Common Stock on August 18-19, 2026, through tax-withholding sales and Rule 10b5-1 plan transactions, leaving him with direct beneficial ownership of 984,842 shares.