Marcus Becker insider trades: Constellium (CSTM) stock sales
Trades on the price chart
Daily close, with an arrow on each day they bought or sold
Companies
Where Marcus reports to the SEC
Open-market buys and sales
3 trades reported on SEC Form 4, newest first
| Date | Stock | Type | Shares | Price | Value | Holding | Reported |
|---|---|---|---|---|---|---|---|
| May 28, 2026 | CSTM | ↓ Sell | 10,391 | $34.93 | $363K | Direct | Jun 1, 2026 (4d) |
| Mar 16, 2026 | CSTM | ↓ Sell | 10,000 | $25.09 | $251K | Direct | Mar 17, 2026 (1d) |
| Feb 20, 2026 | CSTM | ↓ Sell | 15,570 | $25.58 | $398K | Direct | Feb 24, 2026 (4d) |
Each row is one filing's trades in one stock, summed. Shares and prices are as filed, before any later stock split.
Other CSTM insiders
Open-market trades in the last 12 months
About Marcus Becker's insider trades
Marcus Becker is SVP CPO at Constellium (CSTM). Since Feb 20, 2026, Marcus has reported no open-market purchases and 3 sales worth $1.0M on SEC Form 4. In the last 12 months: 3 sales ($1.0M).
Their filings also include grants and awards (1 filing). These aren't open-market trades and aren't counted above.
How to read insider trades
Officers, directors and owners of more than 10% of a company must report trades in its stock on SEC Form 4, usually within two business days. Purchases with their own money are the stronger signal: insiders sell for many reasons (taxes, diversification, a house), but buy for one. See every CSTM insider trade, the latest insider trades across the market, or cluster buys, when several insiders buy the same stock within days.