Kaiser Aluminum Corporation SEC Filings https://investors.kaiseraluminum.com/generated by Q4Fri, 15 May 2026 16:33:38 -0400Copyright Q4 Inc. All rights reserved.Kaiser Aluminum Corporation - SC 13G/A - Amended Statement of Ownership19454216https://investors.kaiseraluminum.com/investors/financials/sec-filings/sec-filings-details/default.aspx?FilingId=19454216Fri, 15 May 2026 00:00:00 -0400Kaiser Aluminum Corporation - SC 13G - Statement of Ownership19433793https://investors.kaiseraluminum.com/investors/financials/sec-filings/sec-filings-details/default.aspx?FilingId=19433793Tue, 12 May 2026 00:00:00 -0400Kaiser Aluminum Corporation - 4 - Statement of Changes in Beneficial Ownership19402924https://investors.kaiseraluminum.com/investors/financials/sec-filings/sec-filings-details/default.aspx?FilingId=19402924Fri, 01 May 2026 00:00:00 -0400Kaiser Aluminum Corporation - 4 - Statement of Changes in Beneficial Ownership19402629https://investors.kaiseraluminum.com/investors/financials/sec-filings/sec-filings-details/default.aspx?FilingId=19402629Fri, 01 May 2026 00:00:00 -0400Kaiser Aluminum Corporation - 4 - Statement of Changes in Beneficial Ownership19387055https://investors.kaiseraluminum.com/investors/financials/sec-filings/sec-filings-details/default.aspx?FilingId=19387055Wed, 29 Apr 2026 00:00:00 -0400Kaiser Aluminum Corporation - 4 - Statement of Changes in Beneficial Ownership19387061https://investors.kaiseraluminum.com/investors/financials/sec-filings/sec-filings-details/default.aspx?FilingId=19387061Wed, 29 Apr 2026 00:00:00 -0400Kaiser Aluminum Corporation - 4 - Statement of Changes in Beneficial Ownership19387070https://investors.kaiseraluminum.com/investors/financials/sec-filings/sec-filings-details/default.aspx?FilingId=19387070Wed, 29 Apr 2026 00:00:00 -0400Kaiser Aluminum Corporation - 4 - Statement of Changes in Beneficial Ownership19387072https://investors.kaiseraluminum.com/investors/financials/sec-filings/sec-filings-details/default.aspx?FilingId=19387072Wed, 29 Apr 2026 00:00:00 -0400Kaiser Aluminum Corporation - 4 - Statement of Changes in Beneficial Ownership19387076https://investors.kaiseraluminum.com/investors/financials/sec-filings/sec-filings-details/default.aspx?FilingId=19387076Wed, 29 Apr 2026 00:00:00 -0400Kaiser Aluminum Corporation - SC 13G - Statement of Ownership19384818https://investors.kaiseraluminum.com/investors/financials/sec-filings/sec-filings-details/default.aspx?FilingId=19384818Wed, 29 Apr 2026 00:00:00 -0400Kaiser Aluminum Corporation - 144 - Report of proposed sale of securities19382410https://investors.kaiseraluminum.com/investors/financials/sec-filings/sec-filings-details/default.aspx?FilingId=19382410Wed, 29 Apr 2026 00:00:00 -0400Kaiser Aluminum Corporation - DEF 14A - Proxy Statement (definitive)19380284https://investors.kaiseraluminum.com/investors/financials/sec-filings/sec-filings-details/default.aspx?FilingId=19380284Tue, 28 Apr 2026 00:00:00 -0400Kaiser Aluminum Corporation - 144 - Report of proposed sale of securities19377563https://investors.kaiseraluminum.com/investors/financials/sec-filings/sec-filings-details/default.aspx?FilingId=19377563Tue, 28 Apr 2026 00:00:00 -0400Kaiser Aluminum Corporation - 144 - Report of proposed sale of securities19374939https://investors.kaiseraluminum.com/investors/financials/sec-filings/sec-filings-details/default.aspx?FilingId=19374939Mon, 27 Apr 2026 00:00:00 -0400Kaiser Aluminum Corporation - 144 - Report of proposed sale of securities19374636https://investors.kaiseraluminum.com/investors/financials/sec-filings/sec-filings-details/default.aspx?FilingId=19374636Mon, 27 Apr 2026 00:00:00 -0400Kaiser Aluminum Corporation - 144 - Report of proposed sale of securities19374548https://investors.kaiseraluminum.com/investors/financials/sec-filings/sec-filings-details/default.aspx?FilingId=19374548Mon, 27 Apr 2026 00:00:00 -0400Kaiser Aluminum Corporation - 144 - Report of proposed sale of securities19374361https://investors.kaiseraluminum.com/investors/financials/sec-filings/sec-filings-details/default.aspx?FilingId=19374361Mon, 27 Apr 2026 00:00:00 -0400Kaiser Aluminum Corporation - SC 13G/A - Amended Statement of Ownership19368675https://investors.kaiseraluminum.com/investors/financials/sec-filings/sec-filings-details/default.aspx?FilingId=19368675Fri, 24 Apr 2026 00:00:00 -0400Kaiser Aluminum Corporation - 10-Q - Quarterly Report19364874https://investors.kaiseraluminum.com/investors/financials/sec-filings/sec-filings-details/default.aspx?FilingId=19364874Thu, 23 Apr 2026 00:00:00 -0400Kaiser Aluminum Corporation - 8-K - Current report filing19360803https://investors.kaiseraluminum.com/investors/financials/sec-filings/sec-filings-details/default.aspx?FilingId=19360803Wed, 22 Apr 2026 00:00:00 -0400