A Form 4 filed on August 17, 2026 discloses that Charles J. Prober, a director of Life360, Inc. (NASDAQ:LIF), exercised stock options and sold 7,930 shares of common stock on August 13, 2026, pursuant to a pre-established Rule 10b5-1 trading plan.

Key Highlights

  • Option exercise: Prober exercised 7,930 stock options at an exercise price of $11.18 per share on August 13, 2026.
  • Shares sold: Prober disposed of 7,930 shares of common stock at $48.59 per share on August 13, 2026.
  • Post-transaction ownership: Prober directly holds 109,930 shares of common stock following the reported transactions, including 4,474 restricted stock units.
  • Remaining options: Prober retains 23,790 stock options with an exercise price of $11.18 and an expiration date of April 12, 2028, which are fully vested and exercisable.
  • 10b5-1 plan: The transactions were effected under a Rule 10b5-1 trading plan adopted by Prober on March 14, 2025.
  • Plan context: According to the filing, the plan "was adopted at a time when they were not aware of any material nonpublic information about the Company."

Life360 Director Executes Option Exercise and Share Sale Under Pre-Planned Trading Program

According to the Form 4 filed with the SEC, Charles J. Prober, identified as a director of Life360, Inc., carried out two related transactions on August 13, 2026. First, Prober exercised a stock option classified under transaction code "M" to acquire 7,930 shares of common stock at the option exercise price of $11.18 per share. Second, Prober sold those 7,930 shares under transaction code "S" at $48.59 per share. Both transactions are reported as direct ownership.

The filing states that both transactions were conducted pursuant to a Rule 10b5-1 trading plan that Prober adopted on March 14, 2025. The filing describes the plan as "a written, pre-established trading plan that provides for the automatic sale of Company stock pursuant to predetermined criteria." The form also notes the plan was adopted when Prober was not aware of any material nonpublic information about the company.

Following the reported transactions, Prober's direct beneficial ownership stands at 109,930 shares of Life360 common stock. The filing notes that this figure includes 4,474 restricted stock units, each representing a contingent right to receive one share upon vesting. Prober also retains 23,790 stock options with an exercise price of $11.18 per share; these options are described in the filing as fully vested and exercisable, with an expiration date of April 12, 2028. The Form 4 was signed by Jay Sood as attorney-in-fact on August 17, 2026.

What Was Disclosed

Life360 director Charles J. Prober filed a Form 4 reporting the August 13, 2026 exercise of 7,930 stock options at $11.18 and the same-day sale of 7,930 shares at $48.59, both executed under a pre-established Rule 10b5-1 plan adopted March 14, 2025.