KAISER ALUMINUM CORP (KALU) - Insider Holders & Insider Ownership

List of insiders holdings for KAISER ALUMINUM CORP:

Shares directly owned by the insider.
Shares indirectly owned by the insider.
Total shares owned by the insider (sum of shares directly and indirectly owned).
Total market value if available.
Shares are not adjusted for stock split.

"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
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#	Insider Holder Name	Report Date Time	Shares Owned Directly Indirectly	Total Shares Owned	Filing
1	MAXXAM GROUP HOLDINGS INC 10% Owner	2006-07-10 16:37:23	27,938,250 0	27,938,250	Form 4
2	MAXXAM INC 10% Owner	2006-07-10 16:34:20	21,311,750 0	21,311,750	Form 4
3	VEBA for Retirees of Kaiser Aluminum 10% Owner	2012-06-08 11:47:52	881,010 0	881,010	Form 13G
4	LA DUC JOHN T Executive VP and CFO	2004-02-19 14:02:43	135,815 0	135,815	Form 4
5	Harvey Keith President & CEO	2026-05-01 16:30:09	94,308 0	94,308	Form 4
6	RINKENBERGER DANIEL J EVP & CFO	2018-03-07 18:39:36	85,907 0	85,907	Form 4
7	Bunin Pete EVP - Strategy	2014-07-03 16:12:55	61,805 0	61,805	Form 4
8	BARNESON JOHN Sr. VP - Corporate Development	2019-03-04 19:17:51	5,510 55,977	61,487	Form 4
9	Walsh Jason EVP - Manufacturing	2025-08-14 17:00:09	42,770 0	42,770	Form 4
10	West Neal E EVP & CFO	2026-04-29 16:30:04	18,390 19,091	37,481	Form 4
11	HOCKEMA JACK A Director	2024-06-13 16:30:10	1,639 32,603	34,242	Form 4
12	OSBORNE ALFRED E JR Director	2023-06-09 16:36:09	24,957 4,000	28,957	Form 4
13	DONNAN JOHN MALCOLM EVP, CAO and GC	2026-04-29 16:30:07	28,200 0	28,200	Form 4
14	Tiffany Blain EVP - Sales & Marketing	2025-11-10 19:36:30	26,275 0	26,275	Form 4
15	VASAN KRIS S Sr. VP, Strategic Risk Mgmt.	2004-03-02 11:43:51	23,988 0	23,988	Form 4
16	BONN JOSEPH A Exec. VP, Corp. Development	2004-02-23 16:31:46	0 23,948	23,948	Form 4
17	Parkinson Ray SVP - AE & Innovation	2025-03-07 16:30:17	20,750 3,178	23,928	Form 4
18	BELLINO JOSEPH P Executive VP & CFO	2008-03-05 12:25:09	23,772 0	23,772	Form 4
19	Foster David A Director	2025-06-12 16:30:06	23,546 0	23,546	Form 4
20	McAuliffe James E Sr. VP - Human Resources	2012-03-07 17:07:56	23,266 0	23,266	Form 4
21	Robb Thomas H. EVP - Manufacturing	2026-03-09 16:30:22	17,898 0	17,898	Form 4
22	Van Leeuwen Thomas Melton Director	2021-06-07 17:11:26	16,743 0	16,743	Form 4
23	HOPP TERESA A Director	2017-06-16 16:40:24	15,771 0	15,771	Form 4
24	STEBBINS DONALD J Director	2025-06-12 16:30:20	13,990 50	14,040	Form 4
25	Murdy William F Director	2015-05-01 18:36:02	13,884 0	13,884	Form 4
26	Bartholomew Carolyn Director	2019-12-13 18:13:57	13,530 0	13,530	Form 4
27	Krouse Mark VP - Human Resources	2023-03-07 16:36:28	7,248 5,079	12,327	Form 4
28	HASSEY L PATRICK Director	2020-06-12 18:30:52	11,954 0	11,954	Form 4
29	Wilcox Brett Director	2026-04-29 16:30:09	1,905 9,887	11,792	Form 4
30	MADDOX DANIEL D Vice President and Treasurer	2006-07-06 18:46:34	11,334 0	11,334	Form 4
31	arnold michael c Director	2025-06-12 16:30:03	10,659 0	10,659	Form 4
32	ELLSWORTH MELINDA C VP IR & Corp. Communications	2022-03-08 17:44:42	3,432 6,852	10,284	Form 4
33	Sebastian Teresa Mosley Director	2024-06-13 16:30:11	3,745 6,180	9,925	Form 4
34	Quinn Jack Director	2018-07-27 16:02:42	8,789 0	8,789	Form 4
35	Frankel Carl Bennett Director	2008-11-19 17:10:39	8,695 0	8,695	Form 4
36	Williams Kevin W Director	2025-06-12 16:30:19	8,562 0	8,562	Form 4
37	MARTIN LAURALEE Director	2025-06-12 16:30:06	8,345 0	8,345	Form 4
38	Huey Jennifer VP & Chief Accounting Officer	2023-03-07 16:36:33	7,938 0	7,938	Form 4
39	Narayan Vijai VP, Corp Ctrl & CAO	2026-03-09 16:30:14	7,517 0	7,517	Form 4
40	Weaver Brant VP - Strategic Development	2023-06-02 16:35:19	7,337 0	7,337	Form 4
41	Miller Del L VP - Metal Strategy	2023-03-07 16:36:26	6,589 0	6,589	Form 4
42	Barger Hugh J. III EVP - Sales & Marketing	2026-03-09 16:30:16	5,711 0	5,711	Form 4
43	LIGGETT EMILY M Director	2021-06-07 17:14:33	5,144 0	5,144	Form 4
44	Grimley Richard P. Director	2026-05-01 16:40:37	4,578 0	4,578	Form 4
45	Gheorghe Iulian SVP - Adv Eng & Innovation	2026-04-29 16:30:05	4,448 0	4,448	Form 4
46	PROCTOR GEORGANNE Director	2008-06-06 18:08:20	4,320 0	4,320	Form 4
47	Gerard Leo Wilfred Director	2022-06-06 17:18:34	4,266 0	4,266	Form 4
48	LAMB W SCOTT VP, Inv. Rel. & Corp. Commun.	2004-02-23 16:35:58	3,658 0	3,658	Form 4
49	MINOR GLENDA J Director	2025-06-12 16:30:11	3,395 0	3,395	Form 4
50	Glas Kimberly Thompson Director	2025-06-12 16:30:05	2,680 0	2,680	Form 4
51	HAYMAKER GEORGE T Director	2006-07-06 13:49:43	2,542 0	2,542	Form 4
52	HOFFMAN JAMES DONALD Director	2025-09-19 17:15:03	2,385 0	2,385	Form 4
53	Lynn Courtney Vice President and Treasurer	2020-03-09 16:38:35	2,172 0	2,172	Form 4
54	CRUIKSHANK ROBERT J Director	2006-07-06 13:48:55	2,000 0	2,000	Form 4
55	Becker George Director	2006-08-03 13:15:59	1,039 0	1,039	Form 4
56	Rowsell Lynton John VP & Chief Accounting Officer	2008-05-28 12:08:24	905 0	905	Form 4
57	HOUFF EDWARD F VP, General Counsel and Sec.	2004-09-24 14:49:55	0 0	0	Form 4
58	HACKETT JAMES T Director	2004-02-19 14:00:39	0 0	0	Form 4
59	LEVIN EZRA G Director	2004-02-24 10:34:43	0 0	0	Form 4
60	KAPLAN EDWARD A Vice President of Taxes	2004-02-23 16:34:23	0 0	0	Form 4
61	HURWITZ CHARLES E Director	2004-02-20 19:32:09	0 0	0	Form 4