SEC Form 4 · Updated Daily
KALU
— KAISER ALUMINUM CORPORATION OwnershipInsider and institutional ownership derived from SEC Form 4 filings. Click any owner to see their holdings across every company they’ve filed on, and how their position has changed over time.
Current Reporting Owners
| Owner | Role | Shares Owned | As Of | Last Activity |
|---|---|---|---|---|
| VEBA for Retirees of Kaiser Aluminum | 10%+ Owner | 1,892,422 | 2012-04-11 | S |
| Harvey Keith | Director · Officer | 94,308 | 2026-04-29 | S |
| RINKENBERGER DANIEL J | Officer | 91,702 | 2018-03-05 | A |
| Bunin Pete | Officer | 59,844 | 2014-07-02 | S |
| Walsh Jason | Officer | 42,770 | 2025-08-12 | F |
| DONNAN JOHN MALCOLM | Officer | 29,700 | 2026-04-27 | S |
| Tiffany Blain | Officer | 26,275 | 2025-11-07 | S |
| OSBORNE ALFRED E JR | Director | 24,956.59 | 2023-06-07 | A |
| Foster David A | Director | 24,332 | 2026-06-04 | A |
| McAuliffe James E | Officer | 24,169 | 2012-03-05 | A |
| BELLINO JOSEPH P | Officer | 23,772 | 2008-03-03 | A |
| Parkinson Ray | Officer | 21,840 | 2025-03-05 | A |
| West Neal E | Officer | 19,091 | 2026-04-28 | S |
| Robb Thomas H. | Officer | 17,898 | 2026-03-05 | A |
| Van Leeuwen Thomas Melton | Director | 16,743 | 2021-06-03 | A |
| HOPP TERESA A | Director | 15,771 | 2017-06-14 | A |
| STEBBINS DONALD J | Director | 15,407 | 2026-06-04 | A |
| Murdy William F | Director | 13,884 | 2015-05-01 | S |
| Bartholomew Carolyn | Director | 13,530 | 2019-12-12 | S |
| HASSEY L PATRICK | Director | 11,954 | 2020-06-10 | A |
| arnold michael c | Director | 11,445 | 2026-06-04 | A |
| MADDOX DANIEL D | Officer | 11,334 | 2006-07-06 | A |
| Quinn Jack | Director | 8,789 | 2018-07-26 | S |
| Frankel Carl Bennett | Director | 8,695 | 2008-11-18 | P |
| Williams Kevin W | Director | 8,562 | 2025-06-10 | A |
| MARTIN LAURALEE | Director | 8,345 | 2025-06-10 | A |
| Huey Jennifer | Officer | 8,242 | 2023-03-05 | A |
| Narayan Vijai | Officer | 8,096 | 2026-03-05 | A |
| Krouse Mark | Officer | 7,714 | 2023-03-05 | A |
| Weaver Brant | Officer | 7,337 | 2023-06-01 | F |
| Miller Del L | Officer | 6,864 | 2023-03-05 | A |
| BARNESON JOHN | Officer | 6,348 | 2019-02-28 | D |
| Barger Hugh J. III | Officer | 5,711 | 2026-03-05 | A |
| Preston Jennifer Kristi | Officer | 5,604 | 2026-10-01 | — |
| Grimley Richard P. | Director | 5,364 | 2026-06-04 | A |
| LIGGETT EMILY M | Director | 5,144 | 2021-06-03 | A |
| MINOR GLENDA J | Director | 4,516 | 2026-06-04 | A |
| Gheorghe Iulian | Officer | 4,448 | 2026-04-27 | S |
| PROCTOR GEORGANNE | Director | 4,320 | 2008-06-04 | A |
| Gerard Leo Wilfred | Director | 4,266 | 2022-06-02 | A |
| ELLSWORTH MELINDA C | Officer | 3,885 | 2022-03-05 | A |
| HOFFMAN JAMES DONALD | Director | 3,760 | 2026-06-04 | A |
| Sebastian Teresa Mosley | Director | 3,745 | 2024-06-11 | A |
| Glas Kimberly Thompson | Director | 3,466 | 2026-06-04 | A |
| Wilcox Brett | Director | 3,019 | 2026-06-04 | A |
| HOCKEMA JACK A | Director | 2,683 | 2024-06-11 | A |
| Lynn Courtney | Officer | 2,172 | 2020-03-05 | A |
| Becker George | Director | 1,039 | 2006-08-01 | A |
| Rowsell Lynton John | Officer | 905 | 2008-05-27 | S |
| HAYMAKER GEORGE T | Director | 0 | 2006-07-06 | J |
| MAXXAM INC | 10%+ Owner | 0 | 2006-07-06 | J |
| MAXXAM GROUP HOLDINGS INC | 10%+ Owner | 0 | 2006-07-06 | J |
| CRUIKSHANK ROBERT J | Director | 0 | 2006-07-06 | J |
Recent Filings
| Date | Owner | Activity | Shares | Price | Owned After |
|---|---|---|---|---|---|
| 2026-10-01 | Preston Jennifer Kristi | — | — | — | 5,604 |
| 2026-06-04 | Foster David A | Grant / award | 786 | $0.00 | 24,332 |
| 2026-06-04 | MINOR GLENDA J | Grant / award | 335 | $178.10 | 4,516 |
| 2026-06-04 | MINOR GLENDA J | Grant / award | 786 | $0.00 | 4,181 |
| 2026-06-04 | Grimley Richard P. | Grant / award | 786 | $0.00 | 5,364 |
| 2026-06-04 | HOFFMAN JAMES DONALD | Grant / award | 589 | $178.10 | 3,760 |
| 2026-06-04 | HOFFMAN JAMES DONALD | Grant / award | 786 | $0.00 | 3,171 |
| 2026-06-04 | Wilcox Brett | Grant / award | 328 | $178.10 | 3,019 |
| 2026-06-04 | Wilcox Brett | Grant / award | 786 | $0.00 | 2,691 |
| 2026-06-04 | STEBBINS DONALD J | Grant / award | 631 | $178.10 | 15,407 |
| 2026-06-04 | STEBBINS DONALD J | Grant / award | 786 | $0.00 | 14,776 |
| 2026-06-04 | Glas Kimberly Thompson | Grant / award | 786 | $0.00 | 3,466 |
| 2026-06-04 | arnold michael c | Grant / award | 786 | $0.00 | 11,445 |
| 2026-04-29 | Harvey Keith | Open-market sale | 3,031 | $173.13 | 94,308 |
| 2026-04-29 | Grimley Richard P. | Open-market sale | 1,524 | $171.52 | 4,578 |
| 2026-04-28 | West Neal E | Open-market sale | 5,000 | $173.29 | 19,091 |
| 2026-04-28 | DONNAN JOHN MALCOLM | Gift | 1,500 | $0.00 | 28,200 |
| 2026-04-27 | Harvey Keith | Open-market sale | 47,001 | $175.09 | 97,339 |
| 2026-04-27 | Gheorghe Iulian | Open-market sale | 175 | $174.22 | 4,448 |
| 2026-04-27 | DONNAN JOHN MALCOLM | Open-market sale | 2,743 | $178.20 | 29,700 |
| 2026-04-27 | Wilcox Brett | Open-market sale | 15,000 | $174.44 | 9,887 |
| 2026-03-05 | DONNAN JOHN MALCOLM | Tax withholding | 1,669 | $125.84 | 32,443 |
| 2026-03-05 | DONNAN JOHN MALCOLM | Tax withholding | 3,441 | $125.84 | 34,112 |
| 2026-03-05 | DONNAN JOHN MALCOLM | Grant / award | 11,649 | $0.00 | 37,553 |
| 2026-03-05 | DONNAN JOHN MALCOLM | Grant / award | 3,699 | $0.00 | 25,904 |
| 2026-03-05 | West Neal E | Tax withholding | 1,761 | $125.84 | 29,706 |
| 2026-03-05 | West Neal E | Tax withholding | 3,694 | $125.84 | 31,467 |
| 2026-03-05 | West Neal E | Grant / award | 12,296 | $0.00 | 35,161 |
| 2026-03-05 | West Neal E | Grant / award | 3,905 | $0.00 | 22,865 |
| 2026-03-05 | Narayan Vijai | Tax withholding | 97 | $125.84 | 7,517 |
| 2026-03-05 | Narayan Vijai | Tax withholding | 482 | $125.84 | 7,614 |
| 2026-03-05 | Narayan Vijai | Grant / award | 733 | $0.00 | 8,096 |
| 2026-03-05 | Barger Hugh J. III | Grant / award | 1,686 | $0.00 | 5,711 |
| 2026-03-05 | Gheorghe Iulian | Tax withholding | 216 | $125.84 | 4,623 |
| 2026-03-05 | Gheorghe Iulian | Grant / award | 852 | $0.00 | 4,839 |
| 2026-03-05 | Robb Thomas H. | Grant / award | 2,954 | $0.00 | 17,898 |
| 2026-03-05 | Harvey Keith | Tax withholding | 6,859 | $125.84 | 144,340 |
| 2026-03-05 | Harvey Keith | Tax withholding | 17,722 | $125.84 | 151,199 |
| 2026-03-05 | Harvey Keith | Grant / award | 47,895 | $0.00 | 168,921 |
| 2026-03-05 | Harvey Keith | Grant / award | 17,795 | $0.00 | 121,026 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.