Form 4 for KALU KAISER ALUMINUM CORP
Accepted 2026-06-05 17:53:12 ET · period of report 2026-06-04 · accession 0001193125-26-260063 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| M | 2026-06-05 17:53 | 2026-06-04 | KALU | STEBBINS DONALD J | Dir | A - Grant | $79.31 | +1,417 | 15.4K | +10% | +$112.4K |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock, par value $0.01 per share | 2026-06-04 | A | A | 786 | $0.00 | 14,776 | D | — | — | (F1) Grant to the reporting person of restricted stock under the Kaiser Aluminum Corporation 2021 Equity and Incentive Compensation Plan, as amended and restated. All restrictions will lapse on June 4, 2027. (F1) Grant to the reporting person of restricted stock under the Kaiser Aluminum Corporation 2021 Equity and Incentive Compensation Plan, as amended and restated. All restrictions will lapse on June 4, 2027. |
| 2 | Common | Common Stock, par value $0.01 per share | 2026-06-04 | A | A | 631 | $178.10 | 15,407 | D | — | — | (F2) Stock received by the reporting person under the Kaiser Aluminum Corporation 2021 Equity and Incentive Compensation Plan, as amended and restated, at such person's election in lieu of all or a portion of the reporting person's annual cash retainer for serving as a member of the Board of Directors of Kaiser Aluminum Corporation and chair or a member of one or more committees of the Board of Directors. (F3) Equal to the average closing price of the Issuer's common stock as reported by the Nasdaq Stock Market, LLC for the 20 trading days prior to June 4, 2026. |