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

List of insiders holdings for KAISER ALUMINUM CORP:
  1. Shares directly owned by the insider.
  2. Shares indirectly owned by the insider.
  3. Total shares owned by the insider (sum of shares directly and indirectly owned).
  4. Total market value if available.
  5. 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 NameReport
Date Time		Shares Owned
Directly
Indirectly		Total
Shares Owned		Filing
1MAXXAM GROUP HOLDINGS INC
10% Owner		2006-07-10 16:37:2327,938,250
0		27,938,250Form 4
2MAXXAM INC
10% Owner		2006-07-10 16:34:2021,311,750
0		21,311,750Form 4
3VEBA for Retirees of Kaiser Aluminum
10% Owner		2012-06-08 11:47:52881,010
0		881,010Form 13G
4LA DUC JOHN T
Executive VP and CFO		2004-02-19 14:02:43135,815
0		135,815Form 4
5Harvey Keith
President & CEO		2026-05-01 16:30:0994,308
0		94,308Form 4
6RINKENBERGER DANIEL J
EVP & CFO		2018-03-07 18:39:3685,907
0		85,907Form 4
7Bunin Pete
EVP - Strategy		2014-07-03 16:12:5561,805
0		61,805Form 4
8BARNESON JOHN
Sr. VP - Corporate Development		2019-03-04 19:17:515,510
55,977		61,487Form 4
9Walsh Jason
EVP - Manufacturing		2025-08-14 17:00:0942,770
0		42,770Form 4
10Stephan Louis Fred
President & CEO		2026-11-03 16:40:0241,686
0		41,686Form 4
11West Neal E
EVP & CFO		2026-04-29 16:30:0418,390
19,091		37,481Form 4
12HOCKEMA JACK A
Director		2024-06-13 16:30:101,639
32,603		34,242Form 4
13OSBORNE ALFRED E JR
Director		2023-06-09 16:36:0924,957
4,000		28,957Form 4
14DONNAN JOHN MALCOLM
EVP, CAO and GC		2026-04-29 16:30:0728,200
0		28,200Form 4
15Tiffany Blain
EVP - Sales & Marketing		2025-11-10 19:36:3026,275
0		26,275Form 4
16Foster David A
Director		2026-06-05 17:15:5424,332
0		24,332Form 4
17VASAN KRIS S
Sr. VP, Strategic Risk Mgmt.		2004-03-02 11:43:5123,988
0		23,988Form 4
18BONN JOSEPH A
Exec. VP, Corp. Development		2004-02-23 16:31:460
23,948		23,948Form 4
19Parkinson Ray
SVP - AE & Innovation		2025-03-07 16:30:1720,750
3,178		23,928Form 4
20BELLINO JOSEPH P
Executive VP & CFO		2008-03-05 12:25:0923,772
0		23,772Form 4
21McAuliffe James E
Sr. VP - Human Resources		2012-03-07 17:07:5623,266
0		23,266Form 4
22Robb Thomas H.
EVP - Manufacturing		2026-03-09 16:30:2217,898
0		17,898Form 4
23Van Leeuwen Thomas Melton
Director		2021-06-07 17:11:2616,743
0		16,743Form 4
24HOPP TERESA A
Director		2017-06-16 16:40:2415,771
0		15,771Form 4
25STEBBINS DONALD J
Director		2026-06-05 17:53:1215,407
50		15,457Form 4
26Murdy William F
Director		2015-05-01 18:36:0213,884
0		13,884Form 4
27Bartholomew Carolyn
Director		2019-12-13 18:13:5713,530
0		13,530Form 4
28Wilcox Brett
Director		2026-06-05 17:50:563,019
9,887		12,906Form 4
29Krouse Mark
VP - Human Resources		2023-03-07 16:36:287,248
5,079		12,327Form 4
30HASSEY L PATRICK
Director		2020-06-12 18:30:5211,954
0		11,954Form 4
31arnold michael c
Director		2026-06-05 18:19:2711,445
0		11,445Form 4
32MADDOX DANIEL D
Vice President and Treasurer		2006-07-06 18:46:3411,334
0		11,334Form 4
33ELLSWORTH MELINDA C
VP IR & Corp. Communications		2022-03-08 17:44:423,432
6,852		10,284Form 4
34Sebastian Teresa Mosley
Director		2024-06-13 16:30:113,745
6,180		9,925Form 4
35Quinn Jack
Director		2018-07-27 16:02:428,789
0		8,789Form 4
36Frankel Carl Bennett
Director		2008-11-19 17:10:398,695
0		8,695Form 4
37Williams Kevin W
Director		2025-06-12 16:30:198,562
0		8,562Form 4
38MARTIN LAURALEE
Director		2025-06-12 16:30:068,345
0		8,345Form 4
39Huey Jennifer
VP & Chief Accounting Officer		2023-03-07 16:36:337,938
0		7,938Form 4
40Narayan Vijai
VP, Corp Ctrl & CAO		2026-03-09 16:30:147,517
0		7,517Form 4
41Weaver Brant
VP - Strategic Development		2023-06-02 16:35:197,337
0		7,337Form 4
42Miller Del L
VP - Metal Strategy		2023-03-07 16:36:266,589
0		6,589Form 4
43Barger Hugh J. III
EVP - Sales & Marketing		2026-03-09 16:30:165,711
0		5,711Form 4
44Preston Jennifer Kristi
EVP, Human Resources & Labor		2026-10-02 17:22:355,604
0		5,604Form 3
45Grimley Richard P.
Director		2026-06-05 17:46:105,364
0		5,364Form 4
46LIGGETT EMILY M
Director		2021-06-07 17:14:335,144
0		5,144Form 4
47MINOR GLENDA J
Director		2026-06-05 17:17:204,516
0		4,516Form 4
48Gheorghe Iulian
SVP - Adv Eng & Innovation		2026-04-29 16:30:054,448
0		4,448Form 4
49PROCTOR GEORGANNE
Director		2008-06-06 18:08:204,320
0		4,320Form 4
50Gerard Leo Wilfred
Director		2022-06-06 17:18:344,266
0		4,266Form 4
51HOFFMAN JAMES DONALD
Director		2026-06-05 17:49:023,760
0		3,760Form 4
52LAMB W SCOTT
VP, Inv. Rel. & Corp. Commun.		2004-02-23 16:35:583,658
0		3,658Form 4
53Glas Kimberly Thompson
Director		2026-06-05 18:11:553,466
0		3,466Form 4
54HAYMAKER GEORGE T
Director		2006-07-06 13:49:432,542
0		2,542Form 4
55Lynn Courtney
Vice President and Treasurer		2020-03-09 16:38:352,172
0		2,172Form 4
56CRUIKSHANK ROBERT J
Director		2006-07-06 13:48:552,000
0		2,000Form 4
57Becker George
Director		2006-08-03 13:15:591,039
0		1,039Form 4
58Rowsell Lynton John
VP & Chief Accounting Officer		2008-05-28 12:08:24905
0		905Form 4
59HURWITZ CHARLES E
Director		2004-02-20 19:32:090
0		0Form 4
60KAPLAN EDWARD A
Vice President of Taxes		2004-02-23 16:34:230
0		0Form 4
61LEVIN EZRA G
Director		2004-02-24 10:34:430
0		0Form 4
62HOUFF EDWARD F
VP, General Counsel and Sec.		2004-09-24 14:49:550
0		0Form 4
63HACKETT JAMES T
Director		2004-02-19 14:00:390
0		0Form 4