Form4insider filings, from the source

Company · CIK 0001819994 · SIC 3760 — Guided Missiles & Space Vehicles & Parts · Nasdaq

Rocket Lab Corp · RKLB

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $317.9M · 11net −$317.9M
$100k$100k$10M$10M$1B$1BbuyssalesJun 1Jun 16Jul 2Jul 18Aug 2Aug 18Sep 3

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 2, 2026 SForm 4 →Sep 4, 6:12 pm EDTAdam C. SpiceChief Financial Officer140,157$62.63$8,777,7211,155,967−10.8%10b5-1
Sep 2, 2026 MForm 4 →Sep 4, 6:12 pm EDTAdam C. SpiceChief Financial Officer140,157$1.09$152,7711,296,124—10b5-1
Aug 31, 2026 GForm 4 →Sep 2, 6:14 pm EDTMerline SaintilDirector523,806——261,903—
Aug 27, 2026 SForm 4 →Aug 28, 6:06 pm EDTFrank KleinChief Operations Officer35,558$66.61$2,368,354925,737−3.70%10b5-1
Aug 27, 2026 SForm 4 →Aug 28, 6:06 pm EDTArjun KampaniSVP & General Counsel6,034$66.65$402,186250,917−2.35%10b5-1
Aug 24, 2026 SForm 4 →Aug 26, 7:02 pm EDTAdam C. SpiceChief Financial Officer9,677$69.63$673,7901,155,967−0.83%10b5-1
Aug 24, 2026 SForm 4 →Aug 26, 7:02 pm EDTAgostino RicupatiVP Corp Controller & CAO669$69.63$46,58126,863−2.43%
Aug 24, 2026 SForm 4 →Aug 26, 7:02 pm EDTFrank KleinChief Operations Officer45,692$69.63$3,181,443961,295−4.54%10b5-1
Aug 24, 2026 SForm 4 →Aug 26, 7:01 pm EDTArjun KampaniSVP & General Counsel7,754$69.63$539,896256,951−2.93%10b5-1
Aug 24, 2026 SForm 4 →Aug 26, 7:01 pm EDTMarvin Bradford ClevengerPresident, Rocket Lab USA, Inc15,051$69.63$1,047,972458,924−3.18%10b5-1
Aug 17, 2026 GForm 4 →Aug 18, 6:38 pm EDTAdam C. SpiceChief Financial Officer30,000——1,165,644—
Jul 6, 2026 SForm 4 →Jul 8, 8:13 pm EDTPeter BeckCEO, Director3,275,779$87.43$286,410,1961,724,221−65.5%10b5-1
Jun 18, 2026 SForm 4 →Jun 18, 6:35 pm EDTArjun KampaniSVP & General Counsel88,000$107.98$9,502,240264,705−25.0%
Jun 3, 2026 AForm 4 →Jun 5, 6:19 pm EDTAdam C. SpiceChief Financial Officer275,319——1,195,644—
Jun 3, 2026 AForm 4 →Jun 5, 6:09 pm EDTAgostino RicupatiVP Corp Controller & CAO27,532——27,532—
Jun 2, 2026 SForm 4 →Jun 5, 6:31 pm EDTAlexander R SluskyDirector40,000$123.60$4,944,000334,675−10.7% late

Reported at this company — derivatives (options, RSUs, warrants)

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 2, 2026 MForm 4 →Sep 4, 6:12 pm EDTAdam C. SpiceChief Financial Officer140,157——2,382,668—10b5-1