KAISER ALUMINIUM CORP (KALU) — insider trading
Materials · NASDAQ
KAISER ALUMINIUM CORP (KALU) has 17 reported SEC Form 4 insider transactions in our data, including 4 open-market sales among the most recent 17 (latest 2026-06-04).
Recent Form 4 transactions
| Date | Insider | Role | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| 2026-06-04 | Foster David A | Director | Grant / award / vesting | 786 | $0.00 | $0 | Form 4 |
| 2026-06-04 | MINOR GLENDA J | Director | Grant / award / vesting | 335 | $178.10 | $59.7K | Form 4 |
| 2026-06-04 | MINOR GLENDA J | Director | Grant / award / vesting | 786 | $0.00 | $0 | Form 4 |
| 2026-06-04 | Grimley Richard P. | Director | Grant / award / vesting | 786 | $0.00 | $0 | Form 4 |
| 2026-06-04 | HOFFMAN JAMES DONALD | Director | Grant / award / vesting | 589 | $178.10 | $104.9K | Form 4 |
| 2026-06-04 | HOFFMAN JAMES DONALD | Director | Grant / award / vesting | 786 | $0.00 | $0 | Form 4 |
| 2026-06-04 | Wilcox Brett | Director | Grant / award / vesting | 328 | $178.10 | $58.4K | Form 4 |
| 2026-06-04 | Wilcox Brett | Director | Grant / award / vesting | 786 | $0.00 | $0 | Form 4 |
| 2026-06-04 | STEBBINS DONALD J | Director | Grant / award / vesting | 631 | $178.10 | $112.4K | Form 4 |
| 2026-06-04 | STEBBINS DONALD J | Director | Grant / award / vesting | 786 | $0.00 | $0 | Form 4 |
| 2026-06-04 | Glas Kimberly Thompson | Director | Grant / award / vesting | 786 | $0.00 | $0 | Form 4 |
| 2026-06-04 | arnold michael c | Director | Grant / award / vesting | 786 | $0.00 | $0 | Form 4 |
| 2026-04-29 | Harvey Keith | Director, Officer (President & CEO) | Open-market sale | 3,031 | $173.13 | $524.8K | Form 4 |
| 2026-04-29 | Grimley Richard P. | Director | Open-market sale | 1,524 | $171.52 | $261.4K | Form 4 |
| 2026-04-28 | DONNAN JOHN MALCOLM | Officer (EVP, CAO and GC) | Bona fide gift | 1,500 | $0.00 | $0 | Form 4 |
| 2026-04-27 | DONNAN JOHN MALCOLM | Officer (EVP, CAO and GC) | Open-market sale | 2,743 | $178.20 | $488.8K | Form 4 |
| 2026-04-27 | Wilcox Brett | Director | Open-market sale | 15,000 | $174.44 | $2.62M | Form 4 |
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Transaction types are the SEC Form 4 codes: open-market purchases (P) and sales (S) are the only rows that reflect open-market conviction. Awards/vesting (A), option exercises (M/X/C), shares withheld for taxes (F) and gifts (G) are compensation or mechanical, not buying or selling on the open market. Sales may be planned and non-discretionary (e.g. a Rule 10b5-1 plan); open-market buying is not a recommendation to buy. Informational only — not financial advice.
Source: SEC EDGAR Form 3/4/5. See the full company profile: KAISER ALUMINIUM CORP (KALU).
Last updated 2026-06-04 (most recent filing date).
Informational only — NOT financial advice. Insider filings are sourced from SEC EDGAR and shown with their reported dates.