20 insiders reported 90 Form 4 transactions for KAISER ALUMINUM CORP (KALU) over the past 18 months (most recent 2026-06-05). Recent activity: STEBBINS DONALD J (Director) Buy 786 shares, arnold michael c (Director) Buy 786 shares, MINOR GLENDA J (Director) Buy 786 shares, Wilcox Brett (Director) Buy 786 shares, Foster David A (Director) Buy 786 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-05 | STEBBINS DONALD J | Director | Buy | 786 | $0 |
| 2026-06-05 | arnold michael c | Director | Buy | 786 | $0 |
| 2026-06-05 | MINOR GLENDA J | Director | Buy | 786 | $0 |
| 2026-06-05 | Wilcox Brett | Director | Buy | 786 | $0 |
| 2026-06-05 | Foster David A | Director | Buy | 786 | $0 |
| 2026-06-05 | HOFFMAN JAMES DONALD | Director | Buy | 786 | $0 |
| 2026-06-05 | Grimley Richard P. | Director | Buy | 786 | $0 |
| 2026-06-05 | Glas Kimberly Thompson | Director | Buy | 786 | $0 |
| 2026-06-05 | STEBBINS DONALD J | Director | Buy | 631 | $112,381 |
| 2026-06-05 | MINOR GLENDA J | Director | Buy | 335 | $59,664 |
| 2026-06-05 | Wilcox Brett | Director | Buy | 328 | $58,417 |
| 2026-06-05 | HOFFMAN JAMES DONALD | Director | Buy | 589 | $104,901 |
| 2026-05-01 | Harvey Keith | President & CEO | Sell | 3,031 | $524,757 |
| 2026-05-01 | Grimley Richard P. | Director | Sell | 1,524 | $261,396 |
| 2026-04-29 | DONNAN JOHN MALCOLM | EVP, CAO and GC | Sell | 1,500 | $0 |
| 2026-04-29 | DONNAN JOHN MALCOLM | EVP, CAO and GC | Sell | 2,743 | $488,807 |
| 2026-04-29 | West Neal E | EVP & CFO | Sell | 5,000 | $866,450 |
| 2026-04-29 | Harvey Keith | President & CEO | Sell | 47,001 | $8.2M |
| 2026-04-29 | Gheorghe Iulian | SVP - Adv Eng & Innovation | Sell | 175 | $30,488 |
| 2026-04-29 | Wilcox Brett | Director | Sell | 15,000 | $2.6M |
| 2026-03-09 | Narayan Vijai | VP, Corp Ctrl & CAO | Buy | 733 | $0 |
| 2026-03-09 | Narayan Vijai | VP, Corp Ctrl & CAO | Sell | 482 | $60,655 |
| 2026-03-09 | Narayan Vijai | VP, Corp Ctrl & CAO | Sell | 97 | $12,206 |
| 2026-03-09 | West Neal E | EVP & CFO | Buy | 3,905 | $0 |
| 2026-03-09 | West Neal E | EVP & CFO | Buy | 12,296 | $0 |
Source: SEC Form 4 filings · as of 2026-06-05