Rocket Lab CFO Adam Spice Exercises Options and Sells $7.4M in Shares Under 10b5-1 Plan

Executive Summary

On November 2, 2026, Adam C. Spice, Chief Financial Officer of Rocket Lab Corp ($RKLB), executed an option exercise and corresponding sale of 140,157 shares of common stock. The transactions were conducted automatically pursuant to a pre-scheduled Rule 10b5-1 trading plan adopted on June 3, 2026.

Transaction Breakdown

1. Derivative Conversion (Option Exercise):

   • Code M: Exercised options for 140,157 shares of common stock at a strike price of $1.09 per share ($152,771.13 total exercise cost).
   • Remaining stock options held after the transaction: 2,102,354.

2. Open Market Sales:

   • Sold all 140,157 exercised shares across five separate price tranches:
     • 47,554 shares at weighted average $51.2804 ($50.71 – $51.70)
     • 14,266 shares at weighted average $52.2638 ($51.71 – $52.70)
     • 33,681 shares at weighted average $53.2884 ($52.71 – $53.70)
     • 37,950 shares at weighted average $54.0728 ($53.71 – $54.70)
     • 6,706 shares at weighted average $54.7849 ($54.71 – $55.00)
   • Gross Proceeds: Approximately $7,398,451.31 (blended average price of ~$52.79).

Impact on Ownership

• Direct Common Stock: Remained unchanged net of the exercise at 1,155,967 shares.
• Indirect Common Stock: Maintains 250,000 shares held via Trust.
• Derivative Holdings: Retains 2,102,354 unexercised options.

Significance & Market Context

Because this transaction represents a standard exercise-and-sell program under a Rule 10b5-1 plan with zero net reduction in base common stock holdings, its market signaling impact is categorized as Medium. While the gross proceeds of $7.4M are substantial, the transaction was fully automated and leaves the CFO with significant continued equity exposure to Rocket Lab.