Adam C. Spice, Chief Financial Officer of Rocket Lab Corp (NASDAQ:RKLB), filed a Form 4 on November 3, 2026, disclosing the exercise of a stock option and the sale of 140,157 shares of common stock on November 2, 2026, pursuant to a pre-established Rule 10b5-1 trading plan.

Key Highlights

  • Option exercise: Spice acquired 140,157 shares via exercise of an employee stock option at a conversion price of $1.09 per share on November 2, 2026.
  • Shares sold: A total of 140,157 shares were sold across five tranches at weighted-average prices ranging from $51.2804 to $54.7849 per share.
  • 10b5-1 plan: All sales occurred automatically under a Rule 10b5-1 trading plan adopted by Spice on June 03, 2026.
  • Remaining direct ownership: Following the transactions, Spice directly held 1,155,967 shares of common stock.
  • Indirect ownership: Spice also holds 250,000 shares indirectly through a trust, unchanged by the reported transactions.
  • Remaining options: After the exercise, Spice beneficially owned 2,102,354 employee stock options with an exercise price of $1.09, expiring August 3, 2028.

Adam Spice's November 2026 Option Exercise and Planned Share Sales at Rocket Lab

According to the filing, Spice exercised an employee stock option on November 2, 2026, acquiring 140,157 shares of Rocket Lab Corp common stock at a price of $1.09 per share. The option was originally granted on August 3, 2018, with a vesting commencement date of May 25, 2018, and carried a vesting schedule in which one-quarter of the shares vested on the one-year anniversary of the vesting commencement date, with the remaining shares vesting at a rate of 1/48 per month thereafter, subject to continued service.

The filing reports that Spice then sold all 140,157 of those newly acquired shares across five separate tranches on the same date, all at prices well above the exercise price. The five tranches consisted of 47,554 shares at a weighted-average price of $51.2804 (ranging from $50.7100 to $51.7000), 14,266 shares at $52.2638 (ranging from $51.7100 to $52.7000), 33,681 shares at $53.2884 (ranging from $52.7100 to $53.7000), 37,950 shares at $54.0728 (ranging from $53.7100 to $54.7000), and 6,706 shares at $54.7849 (ranging from $54.7100 to $55.0000). The filing notes that all weighted-average prices are available on a per-transaction basis upon request.

The filing states that all sales were executed automatically pursuant to a Rule 10b5-1 trading plan that Spice adopted on June 03, 2026. Following the reported transactions, Spice's direct beneficial ownership stood at 1,155,967 shares, with an additional 250,000 shares held indirectly through a trust. The Form 4 was signed on November 3, 2026, by Arjun Kampani as attorney-in-fact for Adam Spice.

What Was Disclosed

Rocket Lab Corp's CFO, Adam C. Spice, reported a same-day stock option exercise and sale of 140,157 shares on November 2, 2026, under a pre-adopted 10b5-1 plan, leaving him with direct ownership of 1,155,967 shares and 2,102,354 remaining options.