Insider · CIK 0002093242
Nicolas Brun
Files at CSTM (CONSTELLIUM SE). First filing Mar 11, 2026, latest May 12, 2026.
In brief
Nicolas Brun files SEC Form 4 as officer at CSTM (CONSTELLIUM SE). Since Mar 11, 2026, Nicolas Brun has reported 0 open-market buys worth $0 and 2 open-market sells worth $1.3M, the latest filed on May 12, 2026.
A track record needs three past buys with six months of prices behind them; Nicolas Brun has 0, so none is measured yet.
The newest scored trade: sold $902k of CSTM on May 11, 2026, filed May 12, 2026, scored 59 (moderate). In the last 12 months: 0 buys worth $0 and 2 sells worth $1.3M.
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
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.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 59Moderate | CONSTELLIUM SE | $902k 26,661 shares | -20% | +193% from low0% from high | |
| 52Moderate | CONSTELLIUM SE | $437k 17,701 shares | -15% | - |
Planned sales
Form 144 notices this insider filed before selling restricted or control stock, newest first.
| Filed | Company | Shares | Value | Sale date | Past 3 months |
|---|---|---|---|---|---|
| May 11, 2026 | CSTM ConstelliumSE | 26,661 0.02% of outstanding | $903k | May 11, 2026 | $437k |
| Mar 9, 2026 | CSTM Constellum SE | 17,701 0.01% of outstanding | $437k | Mar 9, 2026 | none |
Transactions
Every row this insider has filed, 4 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| May 11, 2026 | CSTM CONSTELLIUM SE | SOpen-market sale Ordinary shares | -26,661 | $33.85 | $902k | 104,891 | May 12, 2026 |
| Mar 12, 2026 | CSTM CONSTELLIUM SE | AGrant or award Ordinary shares | +4,376 | $0.00 | $0 | 131,552 | Mar 16, 2026 |
| Mar 9, 2026 | CSTM CONSTELLIUM SE | SOpen-market sale Ordinary shares | -17,701 | $24.67 | $437k | 103,466 | Mar 11, 2026 |
| Mar 9, 2026 | CSTM CONSTELLIUM SE | AGrant or award Ordinary shares | +23,710 | $0.00 | $0 | 127,176 | Mar 11, 2026 |
Questions about Nicolas Brun
Answered from the filings on this page, as of the latest one.
Is Nicolas Brun buying or selling?
In the last 12 months Nicolas Brun reported 0 open-market buys worth $0 and 2 open-market sells worth $1.3M on SEC Form 4; the latest was sold $902k of CSTM on May 11, 2026. Grants, option exercises and tax withholding are not counted.
How did Nicolas Brun's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Nicolas Brun has 0.
Where does Nicolas Brun file Form 4?
Nicolas Brun has filed Form 4 at CSTM (CONSTELLIUM SE) as SVP PA, Comm & Sust. 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.