SEC ownership of Rocket Lab Corp

Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001819994.

Comparable stake leader

Peter Beck

Disclosed value leader

BlackRock, Inc.

Comparable rows

50/50

Latest evidence

30 Jun 2026

Ownership snapshot CIK-linked ownership evidence from parsed SEC filings. 3 signals
Comparable ownership rows
50 of 50
Meaning: Rows with safely comparable ownership %
Latest 13D/G holder
Peter Beck
Source: Latest parsed Schedule 13D/G stake
Latest parsed ownership date
30 Jun 2026
Freshness: Most recent filing date in this holder set
Issuer Names, identifiers, and filing context for this profile. 2 identity fields
Issuer CIK
0001819994
Issuer location
Long Beach, CA

Ownership snapshot

Top shareholders of Rocket Lab Corp (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
Peter Beck
Disclosed value leader
BlackRock, Inc.
Comparable rows
50/50
Latest evidence
30 Jun 2026
13D/G 3/4/5 13F Lead comparable stake: 7.5% 13D/G row: Peter Beck Showing 1-8 of 50 holder rows.

Quick read

Peter Beck leads the comparable SEC ownership view at 7.5%.

50 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens Peter Beck's linked filing trail.
Comparable ownership Top 5
Peter Beck 7.5%
Khosla Ventures V, L.P. 6.9%
VK Services, LLC 6.5%
BlackRock, Inc. 6.2%
VANGUARD CAPITAL MANAGEMENT LLC 5.2%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-8 of 50 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
Peter Beck
13D/G 3/4/5
Beck Peter · CEO, Director
7.5%
$3,239,876,237
46,443,180 shares
-$339,262,971 27 Mar 2026
Khosla Ventures V, L.P.
13D/G 3/4/5
VK Services, LLC · 10%+ Owner
6.9%
$2,421,023,975
36,593,470 shares
$0 18 Nov 2025
VK Services, LLC
13D/G
6.5%
$3,066,679,109
34,888,272 shares
$0 17 Feb 2026
BlackRock, Inc.
13F 13D/G
Company
6.2%
from 13D/G
$4,124,970,247
40,580,130 shares
30 Jun 2026
VANGUARD CAPITAL MANAGEMENT LLC
13D/G
Vanguard Capital Management
5.2%
$2,308,082,827
30,080,579 shares
$0 30 Jun 2026
Bessemer Venture Partners VIII Institutional L.P.
13D/G
Deer VIII & Co. L.P.
1.6%
$182,813,626
8,168,616 shares
$0 08 Nov 2024
Frank Klein
3/4/5
Chief Operations Officer
0.17%
$151,037,577
1,006,987 shares
-$29,130,843 28 May 2026
Marvin B. Clevenger
3/4/5
President, Rocket Lab USA, Inc
0.08%
$69,519,382
473,975 shares
-$2,730,231 28 May 2026
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Forms 3/4/5 flow

Insider trading overview

Net insider flow leans to selling over the last 12 months. Net value: -$923,787,503.

Buys
$0
Insiders: 0
Sells
$923,787,503
Insiders: 11
Net
-$923,787,503
Shares: -13,885,859
Window
Last 12 months
4 rolling buckets
Buy value Sell value
Shares: 0 Shares: 13,885,859
Window (months) Buy shares Sell shares Buy value Sell value Net value
0-3 0 3,749,294 $0 $351,014,817 -$351,014,817
3-6 0 333,449 $0 $28,294,733 -$28,294,733
6-9 0 4,396,755 $0 $277,006,341 -$277,006,341
9-12 0 5,406,361 $0 $267,471,612 -$267,471,612

Reporting owners

Insider holders from Forms 3/4/5

Showing 1-20 of 21 reporting-owner rows connected to Rocket Lab Corp. Open a relationship link for the CIK-to-CIK filing trail.

Rows
21
Largest Forms 3/4/5 holder
Khosla Ventures V, L.P.
Net 12M change
-$923,787,503
Latest report
06 Jul 2026
Name Relationship Holdings Value Past Year Net Change Change % Valuation Report Date
Khosla Ventures V, L.P. 10%+ Owner $507,419,634 Mixed 23 Jul 2025
Bessemer Venture Partners VIII L.P. 10%+ Owner $254,495,916 Mixed 16 Nov 2022
Peter Beck CEO, Director $198,496,665 -$557,047,964 -74% Mixed 06 Jul 2026
Frank Klein Chief Operations Officer $151,037,577 -$29,130,843 -16% Filing P/S 28 May 2026
Adam C. Spice Chief Financial Officer $92,839,257 -$164,297,711 -64% Mixed 03 Jun 2026
Marvin B. Clevenger President, Rocket Lab USA, Inc $69,519,382 -$2,730,231 -3.8% Filing P/S 28 May 2026
Alexander R. Slusky Director $45,304,506 -$25,715,727 -36% Mixed 02 Jun 2026
Arjun Kampani SVP & General Counsel $28,582,845 -$34,548,848 -55% Filing P/S 18 Jun 2026
Jon A. Olson Director $22,355,752 -$5,130,468 -19% Mixed 20 May 2026
Merline Saintil Director $16,978,804 -$12,849,172 -43% Mixed 20 May 2026
Edward H. Frank Director $9,311,000 -$193,472 -2% Mixed 29 May 2026
Matthew Ocko Director $8,332,506 -$90,280,095 -92% Mixed 16 Sep 2025
Nina Armagno Director $7,155,520 -$1,862,972 -21% Mixed 20 May 2026
Kenneth R. Possenriede Director $6,207,505 Mixed 20 May 2026
Shaun O'Donnell EVP - Global Operations $3,148,580 Mixed 13 Sep 2022
Agostino Ricupati VP Corp Controller & CAO $1,768,105 Mixed 03 Jun 2026
Sven Strohband Director $1,379,422 Mixed 09 May 2024
David J/ca Cowan Director $1,313,506 Mixed 23 Jun 2022
GRIFFIN MICHAEL D Director $292,236 Mixed 22 Aug 2024
KHOSLA VENTURES SEED B, L.P. 10%+ Owner $0 Mixed 26 Aug 2024

Recent insider transactions for Rocket Lab Corp

Showing up to 300 recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % SEC-reported value SEC-reported price Shares Shares owned Date Ownership
Peter Beck RKLB Common Stock Sale -36.5% $82,115,292 $82.86 -990,960 1,724,221 08 Jul 2026 by Trust
Peter Beck RKLB Common Stock Sale -32.4% $110,278,981 $84.92 -1,298,622 2,715,181 07 Jul 2026 by Trust
Peter Beck RKLB Common Stock Sale -19.7% $94,015,922 $95.33 -986,197 4,013,803 06 Jul 2026 by Trust
Arjun Kampani RKLB Common Stock Sale -25% $9,502,240 $107.98 -88,000 264,705 18 Jun 2026 Direct
Adam C. Spice RKLB Common Stock Award 29.9% 275,319 1,195,644 03 Jun 2026 Direct
Agostino Ricupati RKLB Common Stock Award 27,532 27,532 03 Jun 2026 Direct
Alexander R. Slusky RKLB Common Stock Sale -10.7% $4,944,000 $123.60 -40,000 334,675 02 Jun 2026 By Abalone Cove LLLP
Adam C. Spice RKLB Common Stock Gift -100% -62,724 0 01 Jun 2026 By Trusts
Adam C. Spice RKLB Common Stock Gift 62,724 62,724 29 May 2026 By Trusts
Adam C. Spice RKLB Common Stock Gift -6.38% -62,724 920,325 29 May 2026 Direct
Edward H. Frank RKLB Common Stock Gift 91,373 91,373 29 May 2026 by Trust
Edward H. Frank RKLB Common Stock Gift -63% -91,373 53,613 29 May 2026 Direct
Alexander R. Slusky RKLB Common Stock Sale -13.8% $8,964,092 $149.40 -60,000 374,675 28 May 2026 By Abalone Cove LLLP
Frank Klein RKLB Common Stock Sale -3.53% $5,433,998 $147.42 -36,860 1,006,987 28 May 2026 Direct
Marvin B. Clevenger RKLB Common Stock Sale -0.73% $513,356 $146.67 -3,500 473,975 28 May 2026 Direct
Arjun Kampani RKLB Common Stock Sale -6.32% $3,509,511 $147.43 -23,804 352,705 28 May 2026 Direct
Arjun Kampani RKLB Common Stock Sale -15.7% $10,158,783 $145.13 -70,000 376,509 27 May 2026 Direct
Adam C. Spice RKLB Common Stock Sale -6% $8,945,631 $142.57 -62,744 983,049 26 May 2026 Direct
Peter Beck RKLB Common Stock Conversion of derivative security 5,000,000 5,000,000 26 May 2026 by Trust
Peter Beck RKLB Series A Convertible Participating Preferred Stock Conversion of derivative security -10.9% -5,000,000 40,951,250 26 May 2026 by Trust
Frank Klein RKLB Common Stock Sale -4.08% $6,328,838 $142.57 -44,390 1,043,847 26 May 2026 Direct
Arjun Kampani RKLB Common Stock Sale -6.03% $4,087,297 $142.57 -28,668 446,509 26 May 2026 Direct
Marvin B. Clevenger RKLB Common Stock Sale -3.15% $2,216,875 $142.57 -15,549 477,475 26 May 2026 Direct
Alexander R. Slusky RKLB Common Stock Award 4.22% 2,482 61,331 20 May 2026 Direct
Merline Saintil RKLB Common Stock Award 0.95% 2,482 264,385 20 May 2026 Direct
Kenneth R. Possenriede RKLB Common Stock Award 2.64% 2,482 96,660 20 May 2026 Direct
Jon A. Olson RKLB Common Stock Award 0.72% 2,482 348,112 20 May 2026 Direct
Edward H. Frank RKLB Common Stock Award 1.74% 2,482 144,986 20 May 2026 Direct
Nina Armagno RKLB Common Stock Award 2.28% 2,482 111,422 20 May 2026 Direct
Alexander R. Slusky RKLB Common Stock Sale -18.7% $11,807,634 $118.08 -100,000 434,675 12 May 2026 By Abalone Cove LLLP
Alexander R. Slusky RKLB Common Stock Gift -14.5% -10,000 58,849 12 May 2026 Direct
Arjun Kampani RKLB Common Stock Award 19.4% 77,189 475,177 24 Mar 2026 Direct
Adam C. Spice RKLB Common Stock Gift -0.12% -1,558 1,295,266 20 Mar 2026 Direct
Merline Saintil RKLB Common Stock Sale -6.47% $1,360,171 $75.04 -18,126 261,903 06 Mar 2026 Direct
Frank Klein RKLB Common Stock Sale -3.27% $2,645,441 $71.95 -36,768 1,088,237 04 Mar 2026 Direct
Arjun Kampani RKLB Common Stock Sale -5.62% $1,705,907 $71.95 -23,711 397,988 04 Mar 2026 Direct
Adam C. Spice RKLB Common Stock Sale -4.61% $4,366,349 $69.59 -62,744 1,296,824 02 Mar 2026 Direct
Frank Klein RKLB Common Stock Sale -3.8% $3,095,499 $69.59 -44,482 1,125,005 02 Mar 2026 Direct
Arjun Kampani RKLB Common Stock Sale -6.38% $2,001,474 $69.59 -28,761 421,699 02 Mar 2026 Direct
Peter Beck RKLB Common Stock Sale -2.09% $1,312,257 $69.59 -18,857 884,085 02 Mar 2026 Direct
Jon A. Olson RKLB Common Stock Sale -4.21% $1,388,221 $91.30 -15,205 345,630 20 Jan 2026 Direct
Merline Saintil RKLB Common Stock Sale -4.27% $1,125,000 $90.00 -12,500 280,029 14 Jan 2026 Direct
Merline Saintil RKLB Common Stock Sale -24.7% $8,311,680 $86.58 -96,000 292,529 13 Jan 2026 Direct
Adam C. Spice RKLB Common Stock Sale -50.1% $103,112,280 $75.50 -1,365,665 1,359,568 05 Jan 2026 Direct
Adam C. Spice RKLB Common Stock Options Exercise 36.7% 731,330 2,725,233 05 Jan 2026 Direct
Adam C. Spice RKLB Employee Stock Option (right to buy) Options Exercise -22.5% -731,330 2,522,825 05 Jan 2026 Direct
Frank Klein RKLB Common Stock Sale -7.88% $7,294,980 $72.95 -100,000 1,169,487 02 Jan 2026 Direct
Adam C. Spice RKLB Common Stock Gift -0.07% -1,470 1,993,903 23 Dec 2025 Direct
Alexander R. Slusky RKLB Common Stock Gift -22.5% -20,000 68,849 23 Dec 2025 Direct
Edward H. Frank RKLB Common Stock Sale -1.72% $193,472 $77.39 -2,500 142,504 23 Dec 2025 Direct
* marks a reported price that did not pass the local price check.
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