Follow the people · Insider
Arjun Kampani
Arjun Kampani files insider transactions with the SEC as a svp & general counsel of Rocket Lab USA (RKLB). We hold 8 disclosed purchases and sales filed since 12 April 2016, 3 of them in the last 90 days.
- Files forRKLB
- Disclosed buys and sells8 in all, 3 in the last 90 days
- Last disclosure28 August 2026
Positions held
2 posts we hold — a term names its own dates; a run of filings only says when they filed- Filed 12 May 2022 — 27 August 2026SVP & General Counsel · Rocket Lab USA (RKLB)74 Form 4 lines · source: SEC Form 4
- Filed 11 April 2016 — 2 March 2022SVP, Gen Counsel and Secretary · Aerojet Rocketdyne Holdings (AJRD)48 Form 4 lines · source: SEC Form 4
Everything they disclosed
120 entries, newest first — one per disclosure report, one per Form 4 line- ▼ sold on the open market 4,600 shares of Rocket LabSEC Form 428 August 2026Common Stock · traded 27 August 2026 · filed 28 August 2026
- ▼ sold on the open market 1,434 shares of Rocket LabSEC Form 428 August 2026Common Stock · traded 27 August 2026 · filed 28 August 2026
- ▼ sold on the open market 7,173 shares of Rocket LabSEC Form 426 August 2026Common Stock · traded 24 August 2026 · filed 26 August 2026
- ▼ sold on the open market 232 shares of Rocket LabSEC Form 426 August 2026Common Stock · traded 24 August 2026 · filed 26 August 2026
- ▼ sold on the open market 349 shares of Rocket LabSEC Form 426 August 2026Common Stock · traded 24 August 2026 · filed 26 August 2026
- ▼ sold on the open market 88,000 shares of Rocket LabSEC Form 418 June 2026Common Stock · traded 18 June 2026 · filed 18 June 2026
- ▼ sold on the open market 500 shares of Rocket LabSEC Form 41 June 2026Common Stock · traded 28 May 2026 · filed 1 June 2026
- ▼ sold on the open market 1,900 shares of Rocket LabSEC Form 41 June 2026Common Stock · traded 28 May 2026 · filed 1 June 2026
- ▼ sold on the open market 1,090 shares of Rocket LabSEC Form 41 June 2026Common Stock · traded 28 May 2026 · filed 1 June 2026
- ▼ sold on the open market 4,310 shares of Rocket LabSEC Form 41 June 2026Common Stock · traded 28 May 2026 · filed 1 June 2026
- ▼ sold on the open market 6,698 shares of Rocket LabSEC Form 41 June 2026Common Stock · traded 28 May 2026 · filed 1 June 2026
- ▼ sold on the open market 6,006 shares of Rocket LabSEC Form 41 June 2026Common Stock · traded 28 May 2026 · filed 1 June 2026
- ▼ sold on the open market 3,100 shares of Rocket LabSEC Form 41 June 2026Common Stock · traded 28 May 2026 · filed 1 June 2026
- ▼ sold on the open market 200 shares of Rocket LabSEC Form 41 June 2026Common Stock · traded 28 May 2026 · filed 1 June 2026
- ▼ sold on the open market 757 shares of Rocket LabSEC Form 428 May 2026Common Stock · traded 26 May 2026 · filed 28 May 2026
- ▼ sold on the open market 2,254 shares of Rocket LabSEC Form 428 May 2026Common Stock · traded 26 May 2026 · filed 28 May 2026
- ▼ sold on the open market 2,800 shares of Rocket LabSEC Form 428 May 2026Common Stock · traded 26 May 2026 · filed 28 May 2026
- ▼ sold on the open market 8,341 shares of Rocket LabSEC Form 428 May 2026Common Stock · traded 26 May 2026 · filed 28 May 2026
- ▼ sold on the open market 11,165 shares of Rocket LabSEC Form 428 May 2026Common Stock · traded 26 May 2026 · filed 28 May 2026
- ▼ sold on the open market 3,351 shares of Rocket LabSEC Form 428 May 2026Common Stock · traded 26 May 2026 · filed 28 May 2026
- ▼ sold on the open market 60,900 shares of Rocket LabSEC Form 428 May 2026Common Stock · traded 27 May 2026 · filed 28 May 2026
- ▼ sold on the open market 9,100 shares of Rocket LabSEC Form 428 May 2026Common Stock · traded 27 May 2026 · filed 28 May 2026
- was granted 77,189 shares of Rocket LabSEC Form 426 March 2026Common Stock · traded 24 March 2026 · filed 26 March 2026
- was granted 77,189 shares of Rocket LabSEC Form 426 March 2026Common Stock · traded 24 March 2026 · filed 26 March 2026
- ▼ sold on the open market 2,058 shares of Rocket LabSEC Form 44 March 2026Common Stock · traded 2 March 2026 · filed 4 March 2026
- ▼ sold on the open market 100 shares of Rocket LabSEC Form 44 March 2026Common Stock · traded 4 March 2026 · filed 4 March 2026
- ▼ sold on the open market 1,451 shares of Rocket LabSEC Form 44 March 2026Common Stock · traded 2 March 2026 · filed 4 March 2026
- ▼ sold on the open market 5,284 shares of Rocket LabSEC Form 44 March 2026Common Stock · traded 2 March 2026 · filed 4 March 2026
- ▼ sold on the open market 16,792 shares of Rocket LabSEC Form 44 March 2026Common Stock · traded 2 March 2026 · filed 4 March 2026
- ▼ sold on the open market 3,176 shares of Rocket LabSEC Form 44 March 2026Common Stock · traded 2 March 2026 · filed 4 March 2026
- ▼ sold on the open market 2,436 shares of Rocket LabSEC Form 44 March 2026Common Stock · traded 4 March 2026 · filed 4 March 2026
- ▼ sold on the open market 11,022 shares of Rocket LabSEC Form 44 March 2026Common Stock · traded 4 March 2026 · filed 4 March 2026
- ▼ sold on the open market 7,140 shares of Rocket LabSEC Form 44 March 2026Common Stock · traded 4 March 2026 · filed 4 March 2026
- ▼ sold on the open market 2,058 shares of Rocket LabSEC Form 44 March 2026Common Stock · traded 2 March 2026 · filed 4 March 2026
- ▼ sold on the open market 1,451 shares of Rocket LabSEC Form 44 March 2026Common Stock · traded 2 March 2026 · filed 4 March 2026
- ▼ sold on the open market 5,284 shares of Rocket LabSEC Form 44 March 2026Common Stock · traded 2 March 2026 · filed 4 March 2026
- ▼ sold on the open market 16,792 shares of Rocket LabSEC Form 44 March 2026Common Stock · traded 2 March 2026 · filed 4 March 2026
- ▼ sold on the open market 3,176 shares of Rocket LabSEC Form 44 March 2026Common Stock · traded 2 March 2026 · filed 4 March 2026
- ▼ sold on the open market 2,436 shares of Rocket LabSEC Form 44 March 2026Common Stock · traded 4 March 2026 · filed 4 March 2026
- ▼ sold on the open market 11,022 shares of Rocket LabSEC Form 44 March 2026Common Stock · traded 4 March 2026 · filed 4 March 2026
- ▼ sold on the open market 7,140 shares of Rocket LabSEC Form 44 March 2026Common Stock · traded 4 March 2026 · filed 4 March 2026
- ▼ sold on the open market 3,013 shares of Rocket LabSEC Form 44 March 2026Common Stock · traded 4 March 2026 · filed 4 March 2026
- ▼ sold on the open market 100 shares of Rocket LabSEC Form 44 March 2026Common Stock · traded 4 March 2026 · filed 4 March 2026
- ▼ sold on the open market 3,013 shares of Rocket LabSEC Form 44 March 2026Common Stock · traded 4 March 2026 · filed 4 March 2026
- ▼ sold on the open market 9,506 shares of Rocket LabSEC Form 426 November 2025Common Stock · traded 26 November 2025 · filed 26 November 2025
- ▼ sold on the open market 1,048 shares of Rocket LabSEC Form 426 November 2025Common Stock · traded 26 November 2025 · filed 26 November 2025
- ▼ sold on the open market 7,143 shares of Rocket LabSEC Form 425 November 2025Common Stock · traded 24 November 2025 · filed 25 November 2025
- ▼ sold on the open market 21,355 shares of Rocket LabSEC Form 425 November 2025Common Stock · traded 24 November 2025 · filed 25 November 2025
- ▼ sold on the open market 117 shares of Rocket LabSEC Form 425 November 2025Common Stock · traded 24 November 2025 · filed 25 November 2025
- ▼ sold on the open market 5,646 shares of Rocket LabSEC Form 418 September 2025Common Stock · traded 16 September 2025 · filed 18 September 2025
- ▼ sold on the open market 14,549 shares of Rocket LabSEC Form 418 September 2025Common Stock · traded 16 September 2025 · filed 18 September 2025
- ▼ sold on the open market 6,279 shares of Rocket LabSEC Form 418 September 2025Common Stock · traded 16 September 2025 · filed 18 September 2025
- ▼ sold on the open market 3,055 shares of Rocket LabSEC Form 418 September 2025Common Stock · traded 16 September 2025 · filed 18 September 2025
- ▼ sold on the open market 1,656 shares of Rocket LabSEC Form 418 September 2025Common Stock · traded 16 September 2025 · filed 18 September 2025
- ▼ sold on the open market 3,000 shares of Rocket LabSEC Form 418 September 2025Common Stock · traded 17 September 2025 · filed 18 September 2025
- ▼ sold on the open market 6,416 shares of Rocket LabSEC Form 418 September 2025Common Stock · traded 17 September 2025 · filed 18 September 2025
- ▼ sold on the open market 5,194 shares of Rocket LabSEC Form 410 June 2025Common Stock · traded 9 June 2025 · filed 10 June 2025
- ▼ sold on the open market 28,988 shares of Rocket LabSEC Form 43 June 2025Common Stock · traded 30 May 2025 · filed 3 June 2025
- ▼ sold on the open market 5,194 shares of Rocket LabSEC Form 43 June 2025Common Stock · traded 2 June 2025 · filed 3 June 2025
- ▼ sold on the open market 5,277 shares of Rocket LabSEC Form 430 May 2025Common Stock · traded 28 May 2025 · filed 30 May 2025
- ▼ sold on the open market 28,836 shares of Rocket Lab USASEC Form 418 March 2025Common Stock · traded 14 March 2025 · filed 18 March 2025
- ▼ sold on the open market 5,277 shares of Rocket Lab USASEC Form 418 March 2025Common Stock · traded 17 March 2025 · filed 18 March 2025
- ▼ sold on the open market 28,562 shares of Rocket Lab USASEC Form 427 November 2024Common Stock · traded 25 November 2024 · filed 27 November 2024
- ▼ sold on the open market 28,563 shares of Rocket Lab USASEC Form 426 August 2024Common Stock · traded 22 August 2024 · filed 26 August 2024
- ▼ sold on the open market 29,026 shares of Rocket Lab USASEC Form 428 May 2024Common Stock · traded 24 May 2024 · filed 28 May 2024
- ▼ sold on the open market 31,394 shares of Rocket Lab USASEC Form 47 March 2024Common Stock · traded 5 March 2024 · filed 7 March 2024
- was granted 220,594 shares of Rocket Lab USASEC Form 49 January 2024Common Stock · traded 6 January 2024 · filed 9 January 2024
- ▼ sold on the open market 19,443 shares of Rocket Lab USASEC Form 430 November 2023Common Stock · traded 29 November 2023 · filed 30 November 2023
- ▼ sold on the open market 20,675 shares of Rocket Lab USASEC Form 429 August 2023Common Stock · traded 25 August 2023 · filed 29 August 2023
- ▼ sold on the open market 22,428 shares of Rocket Lab USASEC Form 431 May 2023Common Stock · traded 26 May 2023 · filed 31 May 2023
- ▼ sold on the open market 22,532 shares of Rocket Lab USASEC Form 413 March 2023Common Stock · traded 9 March 2023 · filed 13 March 2023
- ▼ sold on the open market 13,810 shares of Rocket Lab USASEC Form 429 November 2022Common Stock · traded 25 November 2022 · filed 29 November 2022
- ▼ sold on the open market 14,121 shares of Rocket Lab USASEC Form 426 August 2022Common Stock · traded 24 August 2022 · filed 26 August 2022
- was granted 618,956 shares of Rocket Lab USASEC Form 416 May 2022Common Stock · traded 12 May 2022 · filed 16 May 2022
- exercised options over 817 shares of Aerojet Rocketdyne Holdings (a derivative holding)SEC Form 42 March 2022Restricted Stock Unit · traded 1 March 2022 · filed 2 March 2022
- exercised options over 798 shares of Aerojet Rocketdyne Holdings (a derivative holding)SEC Form 42 March 2022Restricted Stock Unit · traded 2 March 2022 · filed 2 March 2022
- returned to the issuer 1,134 shares of Aerojet Rocketdyne HoldingsSEC Form 42 March 2022Common Stock · traded 28 February 2022 · filed 2 March 2022
- had shares withheld for tax on 6,400 shares of Aerojet Rocketdyne HoldingsSEC Form 42 March 2022Common Stock · traded 28 February 2022 · filed 2 March 2022
- had shares withheld for tax on 576 shares of Aerojet Rocketdyne HoldingsSEC Form 42 March 2022Common Stock · traded 28 February 2022 · filed 2 March 2022
- exercised options over 817 shares of Aerojet Rocketdyne HoldingsSEC Form 42 March 2022Common Stock · traded 1 March 2022 · filed 2 March 2022
- had shares withheld for tax on 461 shares of Aerojet Rocketdyne HoldingsSEC Form 42 March 2022Common Stock · traded 1 March 2022 · filed 2 March 2022
- exercised options over 798 shares of Aerojet Rocketdyne HoldingsSEC Form 42 March 2022Common Stock · traded 2 March 2022 · filed 2 March 2022
- had shares withheld for tax on 450 shares of Aerojet Rocketdyne HoldingsSEC Form 42 March 2022Common Stock · traded 2 March 2022 · filed 2 March 2022
- was granted 2,850 shares of Aerojet Rocketdyne Holdings (a derivative holding)SEC Form 423 December 2021Restricted Stock Units · traded 21 December 2021 · filed 23 December 2021
- returned to the issuer 2,797 shares of Aerojet Rocketdyne HoldingsSEC Form 43 March 2021Common Stock · traded 1 March 2021 · filed 3 March 2021
- had shares withheld for tax on 1,323 shares of Aerojet Rocketdyne HoldingsSEC Form 43 March 2021Common Stock · traded 1 March 2021 · filed 3 March 2021
- was granted 2,451 shares of Aerojet Rocketdyne Holdings (a derivative holding)SEC Form 43 March 2021Restricted Stock Unit · traded 1 March 2021 · filed 3 March 2021
- exercised options over 798 shares of Aerojet Rocketdyne Holdings (a derivative holding)SEC Form 428 December 2020Restricted Stock Units · traded 22 December 2020 · filed 28 December 2020
- exercised options over 16,274 shares of Aerojet Rocketdyne Holdings (a derivative holding)SEC Form 428 December 2020Stock Appreciation Rights · traded 23 December 2020 · filed 28 December 2020
- exercised options over 798 shares of Aerojet Rocketdyne HoldingsSEC Form 428 December 2020Common Stock · traded 22 December 2020 · filed 28 December 2020
- had shares withheld for tax on 9,569 shares of Aerojet Rocketdyne HoldingsSEC Form 428 December 2020Common Stock · traded 22 December 2020 · filed 28 December 2020
- exercised options over 16,274 shares of Aerojet Rocketdyne HoldingsSEC Form 428 December 2020Common Stock · traded 23 December 2020 · filed 28 December 2020
- returned to the issuer 16,274 shares of Aerojet Rocketdyne HoldingsSEC Form 428 December 2020Common Stock · traded 23 December 2020 · filed 28 December 2020
- was granted 2,395 shares of Aerojet Rocketdyne Holdings (a derivative holding)SEC Form 44 March 2020Restricted Stock Unit · traded 2 March 2020 · filed 4 March 2020
- returned to the issuer 2,791 shares of Aerojet Rocketdyne HoldingsSEC Form 44 March 2020Common Stock · traded 2 March 2020 · filed 4 March 2020
- had shares withheld for tax on 10,469 shares of Aerojet Rocketdyne HoldingsSEC Form 44 March 2020Common Stock · traded 2 March 2020 · filed 4 March 2020
- had shares withheld for tax on 118 shares of Aerojet Rocketdyne HoldingsSEC Form 42 March 2020Common Stock · traded 27 February 2020 · filed 2 March 2020
- had shares withheld for tax on 600 shares of Aerojet Rocketdyne HoldingsSEC Form 42 March 2020Common Stock · traded 28 February 2020 · filed 2 March 2020
- had shares withheld for tax on 459 shares of Aerojet Rocketdyne HoldingsSEC Form 45 July 2019Common Stock · traded 2 July 2019 · filed 5 July 2019
- had shares withheld for tax on 7,020 shares of Aerojet Rocketdyne HoldingsSEC Form 412 April 2019Common Stock · traded 11 April 2019 · filed 12 April 2019
- was granted 8,926 shares of Aerojet Rocketdyne Holdings (a derivative holding)SEC Form 44 March 2019Stock Appreciation Right · traded 28 February 2019 · filed 4 March 2019
- returned to the issuer 3,941 shares of Aerojet Rocketdyne HoldingsSEC Form 44 March 2019Common Stock · traded 28 February 2019 · filed 4 March 2019
- had shares withheld for tax on 14,281 shares of Aerojet Rocketdyne HoldingsSEC Form 44 March 2019Common Stock · traded 28 February 2019 · filed 4 March 2019
- was granted 12,258 shares of Aerojet Rocketdyne HoldingsSEC Form 44 March 2019Common Stock · traded 28 February 2019 · filed 4 March 2019
- was granted 3,064 shares of Aerojet Rocketdyne HoldingsSEC Form 44 March 2019Common Stock · traded 28 February 2019 · filed 4 March 2019
- had shares withheld for tax on 117 shares of Aerojet Rocketdyne HoldingsSEC Form 428 February 2019Common Stock · traded 27 February 2019 · filed 28 February 2019
- had shares withheld for tax on 513 shares of Aerojet Rocketdyne HoldingsSEC Form 47 February 2019Common Stock · traded 5 February 2019 · filed 7 February 2019
- had shares withheld for tax on 459 shares of Aerojet Rocketdyne HoldingsSEC Form 421 August 2018Common Stock · traded 17 August 2018 · filed 21 August 2018
- had shares withheld for tax on 6,611 shares of Aerojet Rocketdyne HoldingsSEC Form 412 April 2018Common Stock · traded 11 April 2018 · filed 12 April 2018
- was granted 19,906 shares of Aerojet Rocketdyne HoldingsSEC Form 41 March 2018Common Stock · traded 27 February 2018 · filed 1 March 2018
- was granted 596 shares of Aerojet Rocketdyne HoldingsSEC Form 41 March 2018Common Stock · traded 27 February 2018 · filed 1 March 2018
- was granted 2,611 shares of Aerojet Rocketdyne HoldingsSEC Form 41 March 2018Common Stock · traded 27 February 2018 · filed 1 March 2018
- was granted 10,251 shares of Aerojet Rocketdyne Holdings (a derivative holding)SEC Form 41 March 2018Stock Appreciation Right · traded 27 February 2018 · filed 1 March 2018
- was granted 22,685 shares of Aerojet Rocketdyne HoldingsSEC Form 43 May 2017Common Stock · traded 1 May 2017 · filed 3 May 2017
- was granted 12,310 shares of Aerojet Rocketdyne Holdings (a derivative holding)SEC Form 43 May 2017Stock Appreciation Right · traded 1 May 2017 · filed 3 May 2017
- had shares withheld for tax on 6,958 shares of Aerojet Rocketdyne HoldingsSEC Form 413 April 2017Common Stock · traded 11 April 2017 · filed 13 April 2017
- was granted 31,031 shares of Aerojet Rocketdyne HoldingsSEC Form 48 July 2016Common Stock, Par Value $0.10 · traded 11 April 2016 · filed 8 July 2016
- was granted 40,000 shares of Aerojet Rocketdyne HoldingsSEC Form 48 July 2016Common Stock, Par Value $0.10 · traded 11 April 2016 · filed 8 July 2016
- was granted 16,274 shares of Aerojet Rocketdyne Holdings (a derivative holding)SEC Form 48 July 2016Stock Appreciation Right · traded 11 April 2016 · filed 8 July 2016
- was granted 30,507 shares of Aerojet Rocketdyne HoldingsSEC Form 412 April 2016Common Stock, Par Value $0.10 · traded 11 April 2016 · filed 12 April 2016
Positions come from the unitedstates/congress-legislators roster, the Office of Government Ethics and the SEC’s Form 4 index. Every disclosed line names its own source and links the document the government published; we print what the filing says and never a price we did not read from it. Headlines and links come from the GDELT Global Knowledge Graph — the story stays with the publisher. The portrait, where we have one, is the public-domain Congressional Bioguide photograph.