Robert F Hoffman
Insider
First SEC filing: June 9, 2021 · Latest: June 9, 2021
Insider at
Insider transactions
0 buys (P)
2 sells (S)
Net: $-1,158,294
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 |
|---|---|---|---|---|---|---|---|---|---|
| March 11, 2026 | CENX | S | 10,529 | $56.51 | $594,994 | 56,643 Direct | -15.67% | Disposed | -37.0% (price as of 2026-10-02) |
| March 4, 2026 | CENX | S | 10,000 | $56.33 | $563,300 | 67,172 Direct | -12.96% | Disposed | -36.8% (price as of 2026-10-02) |
| Jan. 1, 2026 | CENX | A | 5,122 | · | · | 77,172 Direct | +7.11% | Acquired | (price as of 2026-10-02) |
| Dec. 31, 2025 | CENX | A | 31,650 | · | · | 90,733 Direct | +53.57% | Acquired | (price as of 2026-10-02) |
| Dec. 31, 2025 | CENX | F | 12,455 | $39.18 | $487,987 | 78,278 Direct | -13.73% | Disposed | -9.1% (price as of 2026-10-02) |
| Dec. 31, 2025 | CENX | F | 6,228 | $39.18 | $244,013 | 72,050 Direct | -7.96% | Disposed | -9.1% (price as of 2026-10-02) |
| March 20, 2025 | CENX | S | 5,000 | $20.24 | $101,200 | 59,083 Direct | -7.80% | Disposed | 76.0% (price as of 2026-10-02) |
| March 14, 2025 | CENX | S | 2,500 | $19.99 | $49,975 | 64,083 Direct | -3.75% | Disposed | 78.2% (price as of 2026-10-02) |
| Jan. 1, 2025 | CENX | A | 8,257 | · | · | 66,583 Direct | +14.16% | Acquired | (price as of 2026-10-02) |
| Dec. 31, 2024 | CENX | F | 1,852 | $18.22 | $33,743 | 58,326 Direct | -3.08% | Disposed | 95.5% (price as of 2026-10-02) |
| Dec. 31, 2024 | CENX | F | 5,401 | $18.22 | $98,406 | 60,178 Direct | -8.24% | Disposed | 95.5% (price as of 2026-10-02) |
| Dec. 31, 2024 | CENX | A | 13,723 | · | · | 65,579 Direct | +26.46% | Acquired | (price as of 2026-10-02) |
| Jan. 1, 2024 | CENX | A | 14,472 | · | · | 51,856 Direct | +38.71% | Acquired | (price as of 2026-10-02) |
| Dec. 31, 2023 | CENX | F | 2,519 | $12.14 | $30,581 | 37,384 Direct | -6.31% | Disposed | 193.4% (price as of 2026-10-02) |
| Dec. 31, 2023 | CENX | F | 1,075 | $12.14 | $13,050 | 39,903 Direct | -2.62% | Disposed | 193.4% (price as of 2026-10-02) |
| Dec. 31, 2023 | CENX | A | 2,425 | · | · | 40,978 Direct | +6.29% | Acquired | (price as of 2026-10-02) |
| Dec. 21, 2023 | CENX | S | 9,000 | $12.08 | $108,720 | 38,553 Direct | -18.93% | Disposed | 194.9% (price as of 2026-10-02) |
| Dec. 20, 2023 | CENX | S | 3,000 | $12.00 | $36,000 | 47,553 Direct | -5.93% | Disposed | 196.8% (price as of 2026-10-02) |
| Jan. 1, 2023 | CENX | A | 15,825 | · | · | 50,553 Direct | +45.57% | Acquired | (price as of 2026-10-02) |
| Dec. 30, 2022 | CENX | F | 3,745 | $8.18 | $30,634 | 34,728 Direct | -9.73% | Disposed | 335.5% (price as of 2026-10-02) |
| Dec. 30, 2022 | CENX | F | 4,846 | $8.18 | $39,640 | 38,473 Direct | -11.19% | Disposed | 335.5% (price as of 2026-10-02) |
| Dec. 30, 2022 | CENX | A | 10,939 | · | · | 43,319 Direct | +33.78% | Acquired | (price as of 2026-10-02) |
| March 4, 2022 | CENX | S | 3,480 | $29.19 | $101,581 | 32,380 Direct | -9.70% | Disposed | 22.0% (price as of 2026-10-02) |
| Jan. 1, 2022 | CENX | A | 4,706 | · | · | 35,860 Direct | +15.11% | Acquired | (price as of 2026-10-02) |
| Dec. 31, 2021 | CENX | F | 7,077 | $16.56 | $117,195 | 31,154 Direct | -18.51% | Disposed | 115.1% (price as of 2026-10-02) |
| Dec. 31, 2021 | CENX | A | 15,976 | · | · | 38,231 Direct | +71.79% | Acquired | (price as of 2026-10-02) |
| Dec. 31, 2021 | CENX | F | 3,290 | $16.56 | $54,482 | 22,255 Direct | -12.88% | Disposed | 115.1% (price as of 2026-10-02) |
| April 16, 2014 | CENX | F | 355 | $13.85 | $4,917 | 8,814 Direct | -3.87% | Disposed | 157.2% (price as of 2026-10-02) |
| March 24, 2014 | CENX | A | 2,451 | · | · | 9,192 Direct | +36.36% | Acquired | (price as of 2026-10-02) |
| March 24, 2014 | CENX | A | 2,428 | · | · | 9,169 Direct | +36.02% | Acquired | (price as of 2026-10-02) |
| March 22, 2014 | CENX | F | 283 | $12.49 | $3,535 | 6,741 Direct | -4.03% | Disposed | 185.2% (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) 12 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| June 9, 2021 | CENX | Common Stock | · | Direct |
| June 9, 2021 | CENX | Common Stock | · | Indirect |
| April 2, 2014 | CENX | Common Stock | · | Direct |
| April 2, 2014 | CENX | Common Stock | · | Indirect |
| April 2, 2014 | CENX | Employee Stock Option (Right to Buy) | 1,333 | Direct |
| April 2, 2014 | CENX | Employee Stock Option (Right to Buy) | 2,000 | Direct |
| April 2, 2014 | CENX | Employee Stock Option (Right to Buy) | 2,958 | Direct |
| April 1, 2014 | CENX | Common Stock | · | Direct |
| April 1, 2014 | CENX | Common Stock | · | Indirect |
| April 1, 2014 | CENX | Employee Stock Option (Right to Buy) | 1,333 | Direct |
| April 1, 2014 | CENX | Employee Stock Option (Right to Buy) | 2,000 | Direct |
| April 1, 2014 | CENX | Employee Stock Option (Right to Buy) | 2,958 | Direct |