The most recent Rocket Lab (RKLB) insider transaction: Adam C. Spice (Chief Financial Officer) acquired 140,157 shares by exercising or converting derivatives on Oct 1, 2026, reported on Form 4 on Oct 2, 2026. So far in the quarter ending Dec 31, 2026, insider holdings showed no net buying or selling.
Over the past 12 months, Rocket Lab insiders sold $683.28 million of stock on the open market (8.88Mn shares) and made no open-market purchases.
| # | Insider | Position | Direct | Indirect | Total | Share of Insiders | Last Filed |
|---|---|---|---|---|---|---|---|
| 1 | Venture Partners Viii L.P. Bessemer | TenPercentOwner | 0 | 57,023,508 | 57,023,508 | 70.6% | 18 Nov, 2022 |
| 2 | Ventures V, L.P. Khosla | TenPercentOwner | 0 | 16,323,617 | 16,323,617 | 20.2% | 25 Jul, 2025 |
| 3 | Peter Beck | Ceo | 0 | 1,724,221 | 1,724,221 | 2.1% | 08 Jul, 2026 |
| 4 | Adam C. Spice | Chief Financial Officer | 1,155,967 | 0 | 1,155,967 | 1.4% | 02 Oct, 2026 |
| 5 | Frank Klein | Chief Operations Officer | 925,737 | 0 | 925,737 | 1.1% | 28 Aug, 2026 |
| 6 | Shaun O'Donnell | Evp Global Operations | 705,485 | 0 | 705,485 | 0.9% | 15 Sep, 2022 |
| 7 | Marvin Bradford Clevenger | President, Rocket Lab Usa, Inc | 458,924 | 0 | 458,924 | 0.6% | 26 Aug, 2026 |
| 8 | Jon A Olson | Director | 348,112 | 0 | 348,112 | 0.4% | 22 May, 2026 |
| 9 | Alexander R Slusky | Director | 0 | 334,675 | 334,675 | 0.4% | 05 Jun, 2026 |
| 10 | Sven Strohband | Director | 0 | 324,341 | 324,341 | 0.4% | 13 May, 2024 |
| 11 | David J/Ca Cowan | Director | 294,310 | 0 | 294,310 | 0.4% | 27 Jun, 2022 |
| 12 | Merline Saintil | Director | 2,482 | 261,903 | 264,385 | 0.3% | 02 Sep, 2026 |
| 13 | Arjun Kampani | Svp General Counsel | 250,917 | 0 | 250,917 | 0.3% | 28 Aug, 2026 |
| 14 | Matthew Ocko | Director | 0 | 173,920 | 173,920 | 0.2% | 18 Sep, 2025 |
| 15 | Edward H. Frank | Director | 53,613 | 91,373 | 144,986 | 0.2% | 02 Jun, 2026 |
| 16 | Nina Armagno | Director | 111,422 | 0 | 111,422 | 0.1% | 22 May, 2026 |
| 17 | Kenneth R Possenriede | Director | 96,660 | 0 | 96,660 | 0.1% | 22 May, 2026 |
| 18 | Michael D Griffin | Director | 42,353 | 0 | 42,353 | 0.1% | 16 Aug, 2024 |
| 19 | Agostino Ricupati | Vp Corp Controller Cao | 26,863 | 0 | 26,863 | 0.0% | 26 Aug, 2026 |
Each row is that insider’s most recently reported position, from Form 4 filings over the last 60 months — which is why this total does not tie to the quarterly series above, where a quarter counts only the insiders who filed in it. Shares held through a fund or institutional portfolio are counted on the institutional ownership page instead.
| Date | Insider | Position | Transaction | Shares | Price | Value | Shares Held After | Ownership |
|---|---|---|---|---|---|---|---|---|
| 01 Oct, 2026 | Adam C. Spice | Chief Financial Officer | Acquired M | 140,157 | $1.09 | $152.77K | 1,296,124 | Direct |
| 01 Oct, 2026 | Adam C. Spice | Chief Financial Officer | Disposed S | 39,669 | $70.28 | $2.79Mn | 1,256,455 | Direct |
| 01 Oct, 2026 | Adam C. Spice | Chief Financial Officer | Disposed S | 85,288 | $70.89 | $6.05Mn | 1,171,167 | Direct |
| 01 Oct, 2026 | Adam C. Spice | Chief Financial Officer | Disposed S | 15,200 | $71.79 | $1.09Mn | 1,155,967 | Direct |
| 01 Oct, 2026 | Adam C. Spice | Chief Financial Officer | Disposed M | 140,157 | $0.00 | $0 | 2,242,511 | Direct |
| 02 Sep, 2026 | Adam C. Spice | Chief Financial Officer | Acquired M | 140,157 | $1.09 | $152.77K | 1,296,124 | Direct |
| 02 Sep, 2026 | Adam C. Spice | Chief Financial Officer | Disposed S | 67,257 | $62.26 | $4.19Mn | 1,228,867 | Direct |
| 02 Sep, 2026 | Adam C. Spice | Chief Financial Officer | Disposed S | 72,900 | $62.97 | $4.59Mn | 1,155,967 | Direct |
| 02 Sep, 2026 | Adam C. Spice | Chief Financial Officer | Disposed M | 140,157 | $0.00 | $0 | 2,382,668 | Direct |
| 31 Aug, 2026 | Merline Saintil | Director | Disposed G | 261,903 | $0.00 | $0 | 2,482 | Direct |
| 31 Aug, 2026 | Merline Saintil | Director | Acquired G | 261,903 | $0.00 | $0 | 261,903 | Indirect |
| 27 Aug, 2026 | Arjun Kampani | Svp General Counsel | Disposed S | 4,600 | $66.50 | $305.88K | 252,351 | Direct |
| 27 Aug, 2026 | Frank Klein | Chief Operations Officer | Disposed S | 15,300 | $66.25 | $1.01Mn | 945,995 | Direct |
| 27 Aug, 2026 | Arjun Kampani | Svp General Counsel | Disposed S | 1,434 | $67.16 | $96.30K | 250,917 | Direct |
| 27 Aug, 2026 | Frank Klein | Chief Operations Officer | Disposed S | 19,800 | $66.86 | $1.32Mn | 926,195 | Direct |
| 27 Aug, 2026 | Frank Klein | Chief Operations Officer | Disposed S | 458 | $67.54 | $30.93K | 925,737 | Direct |
| 24 Aug, 2026 | Arjun Kampani | Svp General Counsel | Disposed S | 7,173 | $69.53 | $498.77K | 257,532 | Direct |
| 24 Aug, 2026 | Adam C. Spice | Chief Financial Officer | Disposed S | 8,952 | $69.53 | $622.47K | 1,156,692 | Direct |
| 24 Aug, 2026 | Agostino Ricupati | Vp Corp Controller Cao | Disposed S | 619 | $69.53 | $43.04K | 26,913 | Direct |
| 24 Aug, 2026 | Frank Klein | Chief Operations Officer | Disposed S | 42,270 | $69.53 | $2.94Mn | 964,717 | Direct |