# Kaiser Aluminum Corp: filings

KALU · Nasdaq · CIK 811596 · [Materials](/sectors/materials.md) · fiscal year ends Dec 31

Pages: [Overview](/companies/kalu.md) · [Financials](/companies/kalu/financials.md) · [Filings](/companies/kalu/filings.md) · [Insiders](/companies/kalu/insiders.md)

## Reports and events: 354 filings

Newest first, by EDGAR acceptance time (Eastern). Filter with ?form= one of: `periodic`, `8-K`, `10-K`, `10-Q`, `4`, `proxy`, `13dg`, `all`, or any form this company filed (4 665, 8-K 258, SC 13G/A 67, 10-Q 54, 3 30, 4/A 27, UPLOAD 25, CORRESP 21, SC 13G 20, 10-K 18, DEF 14A 18, 144 16, SD 12, 5 8, SCHEDULE 13G 8, SCHEDULE 13G/A 8, 8-K/A 5, ARS 5, S-8 5, DEFA14A 4, EFFECT 4, 424B3 3, PRE 14A 2, S-3/A 2, S-4 2, 10-K/A 1, 144/A 1, 3/A 1, 8-A12B 1, CERTNAS 1, POS AM 1, S-3 1, S-4/A 1).

| Filed | Accepted | Form | What it is | Accession |
| --- | --- | --- | --- | --- |
| 2026-10-22 | 17:04 ET | [10-Q](/filings/0001193125-26-429090.md) | Quarterly report, period 2026-09-30 | 0001193125-26-429090 |
| 2026-10-21 | 16:40 ET | [8-K](/filings/0001193125-26-427927.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-26-427927 |
| 2026-10-13 | 16:40 ET | [8-K](/filings/0001193125-26-420533.md) | 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-26-420533 |
| 2026-08-17 | 16:16 ET | [8-K](/filings/0001193125-26-354093.md) | 5.02 Departure or appointment of officers or directors; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-26-354093 |
| 2026-07-23 | 17:07 ET | [10-Q](/filings/0001193125-26-314580.md) | Quarterly report, period 2026-06-30 | 0001193125-26-314580 |
| 2026-07-22 | 16:40 ET | [8-K](/filings/0001193125-26-312472.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-26-312472 |
| 2026-07-13 | 16:40 ET | [8-K](/filings/0001193125-26-302091.md) | 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-26-302091 |
| 2026-06-04 | 16:30 ET | [8-K](/filings/0001193125-26-257524.md) | 5.02 Departure or appointment of officers or directors; 5.07 Shareholder vote results; 9.01 Financial statements and exhibits | 0001193125-26-257524 |
| 2026-04-28 | 16:50 ET | [DEF 14A](/filings/0001193125-26-187425.md) | Proxy statement, period 2026-06-04 | 0001193125-26-187425 |
| 2026-04-23 | 16:44 ET | [10-Q](/filings/0001193125-26-173882.md) | Quarterly report, period 2026-03-31 | 0001193125-26-173882 |
| 2026-04-22 | 16:40 ET | [8-K](/filings/0001193125-26-170615.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-26-170615 |
| 2026-04-13 | 16:40 ET | [8-K](/filings/0001193125-26-152982.md) | 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-26-152982 |
| 2026-02-19 | 16:43 ET | [10-K](/filings/0001193125-26-059575.md) | Annual report, period 2025-12-31 | 0001193125-26-059575 |
| 2026-02-18 | 16:40 ET | [8-K](/filings/0001193125-26-057221.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-26-057221 |
| 2026-01-13 | 16:40 ET | [8-K](/filings/0001193125-26-011824.md) | 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-26-011824 |
| 2026-01-07 | 16:32 ET | [8-K](/filings/0001193125-26-006395.md) | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0001193125-26-006395 |
| 2025-12-19 | 19:15 ET | [8-K](/filings/0001193125-25-325321.md) | 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-25-325321 |
| 2025-11-17 | 16:40 ET | [8-K](/filings/0001193125-25-284711.md) | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0001193125-25-284711 |
| 2025-11-05 | 16:50 ET | [8-K](/filings/0001193125-25-267154.md) | 1.01 Entry into a material agreement; 2.03 New direct financial obligation; 9.01 Financial statements and exhibits | 0001193125-25-267154 |
| 2025-10-27 | 17:25 ET | [8-K](/filings/0001193125-25-251791.md) | 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-25-251791 |
| 2025-10-27 | 07:33 ET | [8-K](/filings/0001193125-25-250703.md) | 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-25-250703 |
| 2025-10-23 | 16:32 ET | [10-Q](/filings/0001193125-25-248835.md) | Quarterly report, period 2025-09-30 | 0001193125-25-248835 |
| 2025-10-22 | 16:50 ET | [8-K](/filings/0001193125-25-246940.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-25-246940 |
| 2025-10-16 | 16:31 ET | [8-K](/filings/0001193125-25-241481.md) | 1.01 Entry into a material agreement; 2.03 New direct financial obligation; 9.01 Financial statements and exhibits | 0001193125-25-241481 |
| 2025-10-14 | 17:25 ET | [8-K](/filings/0001193125-25-239170.md) | 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-25-239170 |
| 2025-09-19 | 16:02 ET | [8-K](/filings/0001193125-25-209051.md) | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0001193125-25-209051 |
| 2025-07-30 | 16:40 ET | [8-K](/filings/0000950170-25-100340.md) | 5.02 Departure or appointment of officers or directors | 0000950170-25-100340 |
| 2025-07-24 | 17:12 ET | [10-Q](/filings/0000950170-25-098410.md) | Quarterly report, period 2025-06-30 | 0000950170-25-098410 |
| 2025-07-23 | 16:48 ET | [8-K](/filings/0000950170-25-097936.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0000950170-25-097936 |
| 2025-07-15 | 16:52 ET | [8-K](/filings/0000950170-25-095905.md) | 8.01 Other events; 9.01 Financial statements and exhibits | 0000950170-25-095905 |
| 2025-06-10 | 16:40 ET | [8-K](/filings/0000950170-25-084391.md) | 5.02 Departure or appointment of officers or directors; 5.07 Shareholder vote results; 9.01 Financial statements and exhibits | 0000950170-25-084391 |
| 2025-04-28 | 16:30 ET | [DEF 14A](/filings/0000950170-25-059349.md) | Proxy statement, period 2025-06-10 | 0000950170-25-059349 |
| 2025-04-24 | 17:00 ET | [10-Q](/filings/0000950170-25-058170.md) | Quarterly report, period 2025-03-31 | 0000950170-25-058170 |
| 2025-04-23 | 16:40 ET | [8-K](/filings/0000950170-25-057478.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0000950170-25-057478 |
| 2025-04-15 | 16:40 ET | [8-K](/filings/0000950170-25-054297.md) | 8.01 Other events; 9.01 Financial statements and exhibits | 0000950170-25-054297 |
| 2025-04-02 | 16:40 ET | [8-K](/filings/0000950170-25-049438.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0000950170-25-049438 |
| 2025-02-20 | 17:22 ET | [10-K](/filings/0000950170-25-024313.md) | Annual report, period 2024-12-31 | 0000950170-25-024313 |
| 2025-02-19 | 16:40 ET | [8-K](/filings/0000950170-25-023263.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0000950170-25-023263 |
| 2025-01-14 | 16:40 ET | [8-K](/filings/0000950170-25-005388.md) | 8.01 Other events; 9.01 Financial statements and exhibits | 0000950170-25-005388 |
| 2025-01-06 | 16:40 ET | [8-K](/filings/0000950170-25-002220.md) | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0000950170-25-002220 |
| 2024-12-11 | 16:30 ET | [8-K](/filings/0000950170-24-135398.md) | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0000950170-24-135398 |
| 2024-10-24 | 17:08 ET | [10-Q](/filings/0000950170-24-117104.md) | Quarterly report, period 2024-09-30 | 0000950170-24-117104 |
| 2024-10-23 | 16:40 ET | [8-K](/filings/0000950170-24-116686.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0000950170-24-116686 |
| 2024-10-15 | 16:40 ET | [8-K](/filings/0000950170-24-114721.md) | 8.01 Other events; 9.01 Financial statements and exhibits | 0000950170-24-114721 |
| 2024-07-26 | 18:24 ET | [10-Q](/filings/0000950170-24-086678.md) | Quarterly report, period 2024-06-30 | 0000950170-24-086678 |
| 2024-07-24 | 16:40 ET | [8-K](/filings/0000950170-24-086093.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0000950170-24-086093 |
| 2024-07-15 | 16:45 ET | [8-K](/filings/0000950170-24-083618.md) | 8.01 Other events; 9.01 Financial statements and exhibits | 0000950170-24-083618 |
| 2024-06-11 | 16:15 ET | [8-K](/filings/0000950170-24-071912.md) | 5.02 Departure or appointment of officers or directors; 5.07 Shareholder vote results; 9.01 Financial statements and exhibits | 0000950170-24-071912 |
| 2024-04-26 | 16:15 ET | [DEF 14A](/filings/0000950170-24-049151.md) | Proxy statement, period 2024-06-11 | 0000950170-24-049151 |
| 2024-04-25 | 16:49 ET | [10-Q](/filings/0000950170-24-048441.md) | Quarterly report, period 2024-03-31 | 0000950170-24-048441 |

Page 1 of 8. [Older](/companies/kalu/filings.md?page=2)
Source: SEC EDGAR, the company’s filing index. Last ingested by Listed: Oct 30, 2026, 13:57 ET. No prices; not investment advice.