Rocket Lab Corp (RKLB) Insider Ownership

Historic Insider Ownership Trends

Rocket Lab's top three insider shareholders as of May 23, 2026 are Venture Partners Viii L.P. Bessemer (TenPercentOwner, 57.02Mn shares), Peter Beck (President, Ceo And Chairman, 50.95Mn shares), Ventures V, L.P. Khosla (TenPercentOwner, 16.32Mn shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Michael D Griffin - 42,353 0 16 Aug, 2024
David J/Ca Cowan - 294,310 0 27 Jun, 2022
Jon A Olson - 345,630 0 22 Jan, 2026
Alexander R Slusky - 0 534,675 04 Dec, 2024
Venture Partners Viii L.P. Bessemer - 0 57,023,508 18 Nov, 2022
Adam C. Spice Chief Financial Officer 1,295,266 0 24 Mar, 2026
Kenneth R Possenriede - 94,178 0 29 Aug, 2025
Edward H. Frank - 142,504 0 30 Dec, 2025
Ventures V, L.P. Khosla - 0 16,323,617 25 Jul, 2025
Arjun Kampani Svp General Counsel 475,177 0 26 Mar, 2026
Merline Saintil - 261,903 0 09 Mar, 2026
Matthew Ocko - 0 2,663,139 16 Jun, 2025
Sven Strohband - 0 324,341 13 May, 2024
Shaun O'Donnell Evp Global Operations 705,485 0 15 Sep, 2022
Peter Beck President, Ceo And Chairman 0 50,951,250 13 Sep, 2023
Nina Armagno - 108,940 0 23 Dec, 2025
Frank Klein Chief Operations Officer 1,088,237 0 04 Mar, 2026

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
24 Mar, 2026 Arjun Kampani Common Stock A 77,189 $0.00 475,177 D A
20 Mar, 2026 Adam C. Spice Common Stock D 1,558 $0.00 1,295,266 D G
20 Mar, 2026 Adam C. Spice Common Stock D 1,558 $0.00 1,295,266 D G
06 Mar, 2026 Merline Saintil Common Stock D 18,126 $75.04 261,903 D S
02 Mar, 2026 Adam C. Spice Common Stock D 4,489 $66.83 1,355,079 D S
02 Mar, 2026 Adam C. Spice Common Stock D 4,489 $66.83 1,355,079 D S
02 Mar, 2026 Frank Klein Common Stock D 3,182 $66.83 1,166,305 D S
02 Mar, 2026 Peter Beck Common Stock D 1,349 $66.83 901,593 D S
02 Mar, 2026 Arjun Kampani Common Stock D 2,058 $66.83 448,402 D S
02 Mar, 2026 Adam C. Spice Common Stock D 3,165 $67.92 1,351,914 D S
02 Mar, 2026 Frank Klein Common Stock D 2,244 $67.92 1,164,061 D S
02 Mar, 2026 Adam C. Spice Common Stock D 3,165 $67.92 1,351,914 D S
02 Mar, 2026 Arjun Kampani Common Stock D 1,451 $67.92 446,951 D S
02 Mar, 2026 Peter Beck Common Stock D 951 $67.92 900,642 D S
02 Mar, 2026 Arjun Kampani Common Stock D 5,284 $69.10 441,667 D S
02 Mar, 2026 Adam C. Spice Common Stock D 11,528 $69.10 1,340,386 D S
02 Mar, 2026 Adam C. Spice Common Stock D 11,528 $69.10 1,340,386 D S
02 Mar, 2026 Peter Beck Common Stock D 3,465 $69.10 897,177 D S
02 Mar, 2026 Frank Klein Common Stock D 8,173 $69.10 1,155,888 D S
02 Mar, 2026 Peter Beck Common Stock D 11,010 $70.03 886,167 D S