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sellNotable cluster of 510b5-1 plan

Peter Beck sold $127M of RKLB

President, CEO and Chairman at Rocket Lab USA, Inc.. 2,500,000 shares at an average of $50.98, traded Sep 15, 2025, filed Sep 17, 2025.

Warning score
65
Value
$127M
2,500,000 shares
Holdings after
2,500,000
-50% from before
From 52-week low
+659%
low $7.12, close $54.04
From 52-week high
0%
high $54.04, as of Sep 15, 2025

Score components

  • Role
    CEO
    +25
  • Trade size
    $127.5M at market
    +25
  • Share of holdings sold
    Sold 50% of holdings
    +20
  • Cluster
    5 insiders selling within 14 days
    +15
  • 10b5-1 plan
    Pre-scheduled under a 10b5-1 plan
    -20

What happened after comparable sells

Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.

This signal so far: 1m +37.8%, 3m +12.2%, 6m +44.5%.

Price around the trade, and since

From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.

RKLBOct 12, 2026 · close 65.71
Since filing Sep 17, 2025: +36.7%SPY +19.6% · excess +17.0%

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™

Rows in this filing

Every transaction in Form 4 0002001011-25-000072, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Sep 15, 2025SOpen-market sale
Common Stockindirect: By Trust10b5-1
-329,621$53.54$18M4,670,379Sep 17, 2025
Sep 15, 2025SOpen-market sale
Common Stockindirect: By Trust10b5-1
-699,956$54.17$38M3,970,423Sep 17, 2025
Sep 15, 2025SOpen-market sale
Common Stockindirect: By Trust10b5-1
-33,981$54.96$1.9M3,936,442Sep 17, 2025
Sep 16, 2025SOpen-market sale
Common Stockindirect: By Trust10b5-1
-541,708$48.04$26M3,394,734Sep 17, 2025
Sep 16, 2025SOpen-market sale
Common Stockindirect: By Trust10b5-1
-724,204$48.90$35M2,670,530Sep 17, 2025
Sep 16, 2025SOpen-market sale
Common Stockindirect: By Trust10b5-1
-111,298$49.98$5.6M2,559,232Sep 17, 2025
Sep 16, 2025SOpen-market sale
Common Stockindirect: By Trust10b5-1
-47,055$50.88$2.4M2,512,177Sep 17, 2025
Sep 16, 2025SOpen-market sale
Common Stockindirect: By Trust10b5-1
-12,177$51.81$631k2,500,000Sep 17, 2025

Related signals

Other insiders at Rocket Lab USA, Inc. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
17Weak
RKLBsell10b5-1
Rocket Lab USA, Inc.
Adam C. Spice
Chief Financial Officer
$9.9M
140,157 shares
-11%
32Weak
RKLBsell 510b5-1
Rocket Lab USA, Inc.
Adam C. Spice
Chief Financial Officer
$8.8M
140,157 shares
-11%
26Weak
RKLBsell 510b5-1
Rocket Lab USA, Inc.
Arjun Kampani
SVP & General Counsel
$402k
6,034 shares
-2%
40Moderate
RKLBsell 510b5-1
Rocket Lab USA, Inc.
Frank Klein
Chief Operations Officer
$2.4M
35,558 shares
-4%
40Moderate
RKLBsell 510b5-1
Rocket Lab USA, Inc.
Marvin Bradford Clevenger
President, Rocket Lab USA, Inc
$1.0M
15,051 shares
-3%
29Weak
RKLBsell 510b5-1
Rocket Lab USA, Inc.
Arjun Kampani
SVP & General Counsel
$540k
7,754 shares
-3%
40Moderate
RKLBsell 510b5-1
Rocket Lab USA, Inc.
Frank Klein
Chief Operations Officer
$3.2M
45,692 shares
-5%
36Weak
RKLBsell 5
Rocket Lab USA, Inc.
Agostino Ricupati
VP Corp Controller & CAO
$47k
669 shares
-2%
37Weak
RKLBsell 510b5-1
Rocket Lab USA, Inc.
Adam C. Spice
Chief Financial Officer
$674k
9,677 shares
-1%
50Moderate
RKLBsell10b5-1
Rocket Lab USA, Inc.
Peter Beck
CEO
$286M
3,275,779 shares
-66%

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

Peter Beck sold $127M of RKLB | InsiderTell