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Insider · CIK 0002127389

Martin Jarrett

officer

Files at CSTM (CONSTELLIUM SE). First filing May 18, 2026, latest May 18, 2026.

In brief

Martin Jarrett files SEC Form 4 as officer at CSTM (CONSTELLIUM SE). Since May 18, 2026, Martin Jarrett has reported 0 open-market buys worth $0 and 1 open-market sell worth $158k, the latest filed on May 18, 2026.

A track record needs three past buys with six months of prices behind them; Martin Jarrett has 0, so none is measured yet.

The newest scored trade: sold $158k of CSTM on May 14, 2026, filed May 18, 2026, scored 46 (moderate). In the last 12 months: 0 buys worth $0 and 1 sell worth $158k.

Track record
Not enough history
Fewer than three past buys with six months of prices.
Median 6-month excess
-
after past buys, n = 0
Hit rate
-
past buys that beat the index over 6 months
Open-market trades
0 / 1
$0 bought, $158k sold

Where the trades landed

Last year at the company this insider has traded most, with each buy and sell on the bar it happened.

CSTM: CONSTELLIUM SE

CSTMOct 9, 2026 · close 25.81

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™

Signals

This insider’s open-market buys and sells, scored.

ScoreCompanyValueHoldingsPrice contextFiled
46Moderate
CSTMsell 9
CONSTELLIUM SE
$158k
4,716 shares
-23%+187% from low-3% from high

Planned sales

Form 144 notices this insider filed before selling restricted or control stock, newest first.

FiledCompanySharesValueSale datePast 3 months
May 14, 2026 CSTM
Constellium SE
4,716
0.00% of outstanding
$158kMay 14, 2026$98k

Transactions

Every row this insider has filed, 1 in all, newest first.

DateCompanyTransactionSharesPriceValueHoldings afterFiled
May 14, 2026CSTM
CONSTELLIUM SE
SOpen-market sale
Ordinary shares
-4,716$33.46$158k15,375May 18, 2026

Questions about Martin Jarrett

Answered from the filings on this page, as of the latest one.

Is Martin Jarrett buying or selling?

In the last 12 months Martin Jarrett reported 0 open-market buys worth $0 and 1 open-market sell worth $158k on SEC Form 4; the latest was sold $158k of CSTM on May 14, 2026. Grants, option exercises and tax withholding are not counted.

How did Martin Jarrett's past buys perform?

Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Martin Jarrett has 0.

Where does Martin Jarrett file Form 4?

Martin Jarrett has filed Form 4 at CSTM (CONSTELLIUM SE) as SVP Chief Innovation Officer. A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.

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.

Martin Jarrett: insider trades and track record | InsiderTell