Marcus Becker
Insider
First SEC filing: March 11, 2026 · Latest: June 1, 2026
Insider at
Insider transactions
1 buys (P)
4 sells (S)
Net: $-1,040,932
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| May 28, 2026 | CSTM | S | 10,391 | $34.93 | $362,958 | 16,784 Direct | -38.24% | Disposed | -30.1% (price as of 2026-10-02) |
| March 16, 2026 | CSTM | S | 10,000 | $25.09 | $250,900 | 27,175 Direct | -26.90% | Disposed | -2.8% (price as of 2026-10-02) |
| March 12, 2026 | CSTM | A | 3,938 | · | · | 37,175 Direct | +11.85% | Acquired | (price as of 2026-10-02) |
| March 10, 2026 | CSTM | S | 1,113 | $25.87 | $28,793 | 33,237 Direct | -3.24% | Disposed | -5.7% (price as of 2026-10-02) |
| March 9, 2026 | CSTM | P | 14,592 | · | · | 34,350 Direct | +73.85% | Acquired | (price as of 2026-10-02) |
| Feb. 20, 2026 | CSTM | S | 15,570 | $25.58 | $398,281 | 0 Direct | -100.00% | Disposed | -4.6% (price as of 2026-10-02) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Initial ownership (Form 3) 2 holdings
Securities held when first becoming an insider, per SEC Form 3.