Skip to content
sellModerate cluster of 510b5-1 plan

Frank Klein sold $6.3M of RKLB

Chief Operations Officer at Rocket Lab Corp. 44,390 shares at an average of $142.57, traded May 26, 2026, filed May 28, 2026.

Warning score
40
Value
$6.3M
44,390 shares
Holdings after
1,043,847
-4% from before
From 52-week low
+464%
low $25.41, close $143.20
From 52-week high
0%
high $143.20, as of May 26, 2026

Score components

  • Role
    COO
    +20
  • Trade size
    $6.3M at market
    +25
  • Share of holdings sold
    Sold 4.1% of holdings
    0
  • 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.

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 9, 2026 · close 68.21
Since filing May 28, 2026: -53.9%SPY +3.7% · excess -57.6%

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 0002001011-26-000074, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
May 26, 2026SOpen-market sale
Common Stock10b5-1
-1,172$139.41$163k1,087,065May 28, 2026
May 26, 2026SOpen-market sale
Common Stock10b5-1
-3,490$140.20$489k1,083,575May 28, 2026
May 26, 2026SOpen-market sale
Common Stock10b5-1
-4,336$141.46$613k1,079,239May 28, 2026
May 26, 2026SOpen-market sale
Common Stock10b5-1
-12,915$142.36$1.8M1,066,324May 28, 2026
May 26, 2026SOpen-market sale
Common Stock10b5-1
-17,288$143.24$2.5M1,049,036May 28, 2026
May 26, 2026SOpen-market sale
Common Stock10b5-1
-5,189$144.13$748k1,043,847May 28, 2026

Related signals

Other insiders at Rocket Lab Corp and this insider’s other filings.

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

Frank Klein sold $6.3M of RKLB | InsiderTell