A Form 4 filed on September 15, 2026 discloses that Tomer Weingarten, President and CEO of SentinelOne, Inc. (NYSE:S), sold 114,890 shares of Class A common stock and converted 57,941 shares of Class B common stock on September 11, 2026.

Key Highlights

  • Shares sold: Weingarten disposed of 114,890 shares of Class A common stock at a weighted average price of $19.8899 per share.
  • Price range: The shares were sold in multiple transactions at prices ranging from $19.72 to $20.22, inclusive.
  • Conversion: 57,941 shares of Class B common stock were converted into Class A common stock at $0 per share on September 11, 2026.
  • Post-transaction ownership: Weingarten directly beneficially owned 1,744,878 shares of Class A common stock following the reported transactions.
  • Rule 10b5-1 plan: The sale was effected pursuant to a Rule 10b5-1 trading plan adopted by Weingarten on June 3, 2025.
  • Indirect holdings: An additional 423,629 shares of Class A common stock are held indirectly by an irrevocable trust, over whose trustee Weingarten may exercise remove and replace powers.

Weingarten's Transactions in SentinelOne Class A and Class B Common Stock

According to the filing, Tomer Weingarten, who serves as President and CEO and is also identified as a Director of SentinelOne, Inc. (NYSE:S), executed two transactions on September 11, 2026. First, 57,941 shares of Class B common stock were converted into an equal number of Class A common stock at a price of $0. Following that conversion, Weingarten's directly held Class A shares stood at 1,859,768 before the subsequent sale.

The filing then reports the disposal of 114,890 shares of Class A common stock at a weighted average price of $19.8899. The shares were sold across multiple transactions at prices ranging from $19.72 to $20.22, inclusive. The filing states that Weingarten "undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range." Following the sale, Weingarten's direct beneficial ownership in Class A common stock was reported as 1,744,878 shares, with the filing noting that certain of those shares "are subject to forfeiture to the Issuer if underlying vesting conditions are not met."

The filing also discloses that 3,421,153 shares of Class B common stock are directly held as derivative securities following the reported conversion. An irrevocable trust holds 423,629 shares of Class A common stock indirectly on Weingarten's behalf, though the filing states that Weingarten "disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein, if any." The sale was carried out under a Rule 10b5-1 trading plan adopted on June 3, 2025, as noted in the filing.

What Was Disclosed

The Form 4 reports a conversion of 57,941 Class B shares to Class A shares and a subsequent sale of 114,890 Class A shares at a weighted average of $19.8899 by SentinelOne's CEO Tomer Weingarten on September 11, 2026, conducted under a pre-established Rule 10b5-1 trading plan.