[SITE NAME]

Rocket Lab Corp (RKLB)

About 31% overall. As a group they still hold 79% of their starting shares.

Insider activity at a glance

Oct 8, 2025 to Oct 7, 2026 · officers and directors only · from SEC Forms 3, 4 and 5

$683M
sold on the open market by 11 of 13 officers and directors
93%
of sale proceeds were under a disclosed 10b5-1 trading plan
12 of 13
insiders whose holdings fully reconcile with their reported transactions
  1. Three insiders sold more than 25% of vested holdings: Arjun Kampani (65% of holdings, $33.5M, 68% under a disclosed plan), Frank Klein (30% of holdings, $32.2M, 95% under a disclosed plan) and Alexander Slusky (26% of holdings, $25.7M, none under a disclosed plan).
  2. Two directors sold $5.5M with no disclosed plan: Merline Saintil ($2.8M) and Jon Olson ($2.7M, 21% of holdings). The filings don't state a reason.
  3. Marvin Clevenger sold 34K shares (16% of starting holdings), but 283K more shares were added, so the stake grew (from 210K to 459K).

Full insider ownership page for RKLB

Largest sellers

InsiderShares soldProceedsUnder a disclosed planStill held
Peter Beck
CEO, Director
5.81M$430M99.8%holdings couldn't be fully reconciled
Adam Spice
Chief Financial Officer
1.84M$138M98%not meaningful
Arjun Kampani
SVP & General Counsel
316K$33.5M68%51%
Frank Klein
Chief Operations Officer
390K$32.2M95%70%
Alexander Slusky
Director
200K$25.7M0%71%

"Still held" compares vested shares at the end and start of the period. Disclosed company stock is not an insider's whole wealth.