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sellNotable cluster of 5

Mark Casper sold $1.4M of MRVL

EVP & Chief Legal Officer at Marvell Technology, Inc.. 10,000 shares at an average of $135.50, traded Apr 17, 2026, filed Apr 21, 2026.

Warning score
60
Value
$1.4M
10,000 shares
Holdings after
35,878
-22% from before
From 52-week low
+184%
low $49.22, close $139.63
From 52-week high
0%
high $139.63, as of Apr 17, 2026

Score components

  • Role
    Officer
    +15
  • Trade size
    $1.4M at market
    +25
  • Share of holdings sold
    Sold 22% of holdings
    +5
  • Cluster
    5 insiders selling within 14 days
    +15

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 +26.0%, 3m +37.5%, 6m -.

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.

MRVLOct 9, 2026 · close 275.28
Since filing Apr 21, 2026: +82.0%SPY +11.1% · excess +70.9%

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 0001628280-26-026152, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Apr 17, 2026SOpen-market sale
Common Stock
-10,000$135.50$1.4M35,878Apr 21, 2026

Related signals

Other insiders at Marvell Technology, Inc. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
Pro nowfree Oct 17, 2026
MRVLsell 2
Marvell Technology, Inc.
Justin Scarpulla
SVP, Chief Accounting Officer
$301k
1,100 shares
-55%
33Weak
MRVLsell 210b5-1
Marvell Technology, Inc.
Chris Koopmans
President and COO
$2.6M
10,000 shares
-5%
38Weak
MRVLsell 210b5-1
Marvell Technology, Inc.
Matthew J Murphy
Chairman of the Board and CEO
$1.7M
7,500 shares
-1%
33Weak
MRVLsell 210b5-1
Marvell Technology, Inc.
Chris Koopmans
President and COO
$2.0M
10,000 shares
-4%
38Weak
MRVLsell 210b5-1
Marvell Technology, Inc.
Matthew J Murphy
Chairman of the Board and CEO
$1.8M
7,500 shares
-1%
33Weak
MRVLsell 210b5-1
Marvell Technology, Inc.
Chris Koopmans
President and COO
$1.8M
10,000 shares
-4%
23Weak
MRVLsell 210b5-1
Marvell Technology, Inc.
Sandeep Bharathi
President, Data Center Group
$1.8M
9,013 shares
-14%
30Weak
MRVLsell 310b5-1
Marvell Technology, Inc.
Matthew J Murphy
Chairman of the Board and CEO
$1.6M
7,500 shares
-1%
40Moderate
MRVLsell 310b5-1
Marvell Technology, Inc.
Chris Koopmans
President and COO
$2.8M
10,000 shares
-4%
62Notable
MRVLsell 4
Marvell Technology, Inc.
Daniel Durn
Chief Financial Officer
$632k
2,250 shares
-25%

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.

Mark Casper sold $1.4M of MRVL | InsiderTell