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buyNotable cluster of 4

Chris Koopmans bought $531k of MRVL

President and COO at Marvell Technology, Inc.. 6,800 shares at an average of $78.03, traded Sep 25, 2025, filed Sep 25, 2025.

Conviction score
64
Value
$531k
6,800 shares
Holdings after
104,825
+7% from before
From 52-week low
+70%
low $49.22, close $83.61
From 52-week high
-33%
high $125.52, as of Sep 25, 2025

Score components

  • Role
    President
    +20
  • Trade size
    $531k at market
    +18
  • Relative to holdings
    Holdings up 7%
    +3
  • Price context
    33% below the 52-week high
    +8
  • Cluster
    4 insiders buying within 14 days
    +15
  • Repeat buying
    First buy in 90 days
    0
  • Track record
    Too few past buys to judge (0 with prices)
    0

What happened after comparable buys

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 +0.4%, 3m +3.3%, 6m +16.7%.

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 Sep 25, 2025: +229.2%SPY +19.5% · excess +209.7%

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 0001628280-25-042721, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Sep 25, 2025POpen-market purchase
Common Stockindirect: By Trust
+6,800$78.03$531k104,825Sep 25, 2025

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.

Chris Koopmans bought $531k of MRVL | InsiderTell