๐Ÿ•ต๏ธ Kaiser Aluminum Corp ($KALU)

SEC insider & ownership activity, last 12 months ยท CIK 811596 ยท every row links its SEC filing

Over the last 12 months insiders sold $16.7M with no open-market buying against it. Keith Harvey sold $8.8M in discretionary trades (Apr). Blackrock, Inc. trimmed 16.1% โ†’ 14.8%. No red-flag 8-Ks in the window.

๐Ÿšจ 4 signals active โ€” planned-vs-executed verdicts, pre-event flags, and cluster context live in the API and the alerts bot.
Aug 2025: net +$0 Sep 2025: net +$0 Oct 2025: net +$0 Nov 2025: net -$813K Dec 2025: net +$0 Jan 2026: net +$0 Mar 2026: net +$0 Mar 2026: net +$0 Apr 2026: net -$13.0M May 2026: net +$0 Jun 2026: net +$0 Jul 2026: net +$0
Monthly net open-market insider flow, last 12 months (up = net buying)

Insider flow

0 buyers, $0 (0 lots) ยท 7 sellers, $16.7M (10 lots)

InsiderBuysBoughtSellsSoldLast
Keith Harvey0โ€“ 2$8.8MApr 29, 2026
John M. Donnan0โ€“ 2$2.8MApr 27, 2026
Wilcox Brett0โ€“ 1$2.6MApr 27, 2026
Neal E. West0โ€“ 2$1.5MApr 28, 2026
Blain Tiffany0โ€“ 1$813KNov 7, 2025
Richard P. Grimley0โ€“ 1$261KApr 29, 2026
Iulian Gheorghe0โ€“ 1$30KApr 27, 2026

5%+ holders

HolderStakeClassScheduleEvent
Blackrock, Inc. 14.8% 13GApr 24, 2026 filing โ†—
State Street Corporation 8.2% 13GMay 12, 2026 filing โ†—
Vanguard Portfolio Management 8.1% 13GApr 29, 2026 filing โ†—
SSGA Funds Management, Inc. 6.0% 13GMay 12, 2026 filing โ†—
Dimensional Fund Advisors LP exited 13GJul 14, 2026 filing โ†—

Planned insider sales (Form 144)

SellerPlannedApprox. sale date
Richard P. Grimley$263KApr 29, 2026 filing โ†—
Neal E. West$866KApr 28, 2026 filing โ†—
Iulian Gheorghe$30KApr 27, 2026 filing โ†—
Brett Wilcox$2.6MApr 27, 2026 filing โ†—
Keith Harvey$8.8MApr 27, 2026 filing โ†—
John M. Donnan$489KApr 27, 2026 filing โ†—
Blain Tiffany$797KMar 23, 2026 filing โ†—
Blain Tiffany$1.9MFeb 23, 2026 filing โ†—
Neal E. West$609KFeb 23, 2026 filing โ†—
John M. Donnan$1.6MFeb 23, 2026 filing โ†—
Jason Walsh$1.3MDec 8, 2025 filing โ†—
Keith Harvey$3.0MNov 21, 2025 filing โ†—
Blain A Tiffany$813KNov 7, 2025 filing โ†—

Material events (8-K)

ItemEvent date
Earnings (2.02)Jul 22, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Jul 22, 2026 filing โ†—
Other events (8.01)Jul 13, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Jul 13, 2026 filing โ†—
Officer/director changes (5.02)Jun 4, 2026 filing โ†—
Shareholder vote (5.07)Jun 4, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Jun 4, 2026 filing โ†—
Earnings (2.02)Apr 22, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Apr 22, 2026 filing โ†—
Other events (8.01)Apr 13, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Apr 13, 2026 filing โ†—
Earnings (2.02)Feb 18, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Feb 18, 2026 filing โ†—
Other events (8.01)Jan 13, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Jan 13, 2026 filing โ†—
Officer/director changes (5.02)Jan 1, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Jan 1, 2026 filing โ†—
Other events (8.01)Dec 18, 2025 filing โ†—
Financial Statements and Exhibits (9.01)Dec 18, 2025 filing โ†—
Officer/director changes (5.02)Nov 14, 2025 filing โ†—
Financial Statements and Exhibits (9.01)Nov 14, 2025 filing โ†—
Material agreement (1.01)Nov 5, 2025 filing โ†—
New financial obligation (2.03)Nov 5, 2025 filing โ†—
Financial Statements and Exhibits (9.01)Nov 5, 2025 filing โ†—
Other events (8.01)Oct 27, 2025 filing โ†—
Financial Statements and Exhibits (9.01)Oct 27, 2025 filing โ†—
Other events (8.01)Oct 27, 2025 filing โ†—
Financial Statements and Exhibits (9.01)Oct 27, 2025 filing โ†—
Earnings (2.02)Oct 22, 2025 filing โ†—
Financial Statements and Exhibits (9.01)Oct 22, 2025 filing โ†—