WESTLAKE CORP (WLK) - Insider Holders & Insider Ownership

List of insiders holdings for WESTLAKE 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
1Jenkins Dorothy C
Director
10% Owner		2022-08-15 15:23:5875,224
93,405,554		93,480,778Form 4
2TTWF LP
10% Owner		2024-02-14 16:15:5193,405,554
0		93,405,554Form 13G
3TTWFGP LLC
10% Owner		2020-08-20 14:09:231,395,000
92,010,554		93,405,554Form 4/A
4Chao Albert
Executive Chairman		2026-08-11 17:45:00681,753
0		681,753Form 4
5Gilson Jean-Marc
President and CEO		2026-02-23 14:44:53138,923
0		138,923Form 4
6Ederington L. Benjamin
EVP, Legal & External Affairs		2026-02-23 14:44:36112,816
0		112,816Form 4
7Chao James
Senior Chairman		2026-02-23 14:39:0484,628
0		84,628Form 4
8Kearns Roger L.
COO and EVP, PEM		2023-03-15 15:22:2339,849
0		39,849Form 4/A
9Bender Mark Steven
EVP & CFO		2026-05-14 12:33:4735,895
0		35,895Form 4
10Morse Wayne D
Sr VP, Vinyls		2010-03-15 10:03:2035,265
0		35,265Form 4/A
11Buesinger Robert F.
EVP, PEM Segment Head		2026-03-31 09:48:5134,482
0		34,482Form 4
12Szwejbka Scott Thomas
SVP, HIP Segment Head		2026-02-23 14:45:3332,351
0		32,351Form 4
13Teel Lawrence E.
EVP and Special Advisor to CEO		2021-02-26 08:36:3725,860
0		25,860Form 4
14Taylor Jeffrey L
Sr VP, Polyethylene		2015-05-27 16:26:1025,714
0		25,714Form 4
15Wallace Stephen
VP, General Counsel, Secretary		2013-08-05 16:51:3725,163
200		25,363Form 4
16Janssens Thomas J.
SVP, Ops - PEM & Corp Logistic		2025-02-24 14:13:5724,944
0		24,944Form 4
17Wilder Warren W
Senior Vice President		2008-03-18 17:04:5924,085
0		24,085Form 4
18RILEY H JOHN JR
Director		2019-03-20 14:06:2822,652
0		22,652Form 4
19Baksht Jonathan
SVP and CFO		2026-06-16 11:25:0420,580
0		20,580Form 4
20Condon Donald Marion Jr
Sr VP, Corp Bus Dev		2013-03-15 17:07:5017,647
0		17,647Form 4
21Chao John Tsung-chen
Director		2026-02-23 14:41:3315,470
0		15,470Form 4
22Bates Simon
VP, Building Products		2016-09-12 16:58:1914,930
0		14,930Form 4
23Schubert Lawrence
Vice President, Polyethylene		2017-03-08 16:02:3714,093
0		14,093Form 3
24Holy Jeffrey Adam
VP and CAO		2026-02-23 14:45:1813,257
0		13,257Form 4
25Haas Marius
Director		2024-08-12 11:24:2712,759
0		12,759Form 4
26LUKENS MAX L
Director		2019-08-19 09:42:5611,509
0		11,509Form 4
27BARNETT E WILLIAM
Director		2012-12-03 16:56:2411,447
0		11,447Form 4
28BLAKELY ROBERT T
Director		2018-08-22 09:29:2510,989
0		10,989Form 4
29Hansen David R
Sr VP Adminstration		2015-02-24 16:26:409,814
0		9,814Form 4
30Kenner Andrew
SVP, Operations		2022-02-22 07:07:599,229
0		9,229Form 4
31Keng Tai Li
Vice President and Treasurer		2004-08-18 14:37:457,800
0		7,800Form 4
32DREESSEN RUTH I
Senior Vice President and CFO		2005-09-13 12:30:217,435
0		7,435Form 4
33Zoeller Johnathan Stevan
VP and CAO		2024-03-22 14:55:016,751
0		6,751Form 4
34Mattina Michael J.
Sr. VP, Polyethylene		2017-02-16 16:15:166,506
0		6,506Form 4
35Mangieri George J
VP & Chief Accounting Officer		2020-02-19 15:34:144,671
0		4,671Form 4
36GIBBONS JOHN D
Senior Vice President & CFO		2006-05-17 16:36:314,249
0		4,249Form 4
37Whitaker Gilbert R Jr
Director		2006-08-23 16:22:572,957
0		2,957Form 4
38Johannesen Andrew
Vice President & Treasurer		2011-01-06 16:03:222,780
0		2,780Form 4
39CREGG ROGER A
Director		2026-08-17 12:25:532,184
0		2,184Form 4
40Sheets Jeffrey Wayne
Director		2026-08-17 12:28:192,184
0		2,184Form 4
41Sabat Carolyn Chao
Director		2026-08-17 12:28:092,184
0		2,184Form 4
42Patel Bhavesh V.
Director		2026-08-17 12:27:562,184
0		2,184Form 4
43NORTHCUTT R BRUCE
Director		2026-08-17 12:27:362,184
0		2,184Form 4
44MCCOLLUM MARK A
Director		2026-08-17 12:27:062,184
0		2,184Form 4
45Lubel Kimberly S
Director		2026-08-17 12:26:442,184
0		2,184Form 4
46Graff Michael J
Director		2026-08-17 12:26:242,184
0		2,184Form 4
47Chao David Tsung-Hung
Director		2026-08-17 12:25:252,184
0		2,184Form 4
48Chao Catherine T.
Director		2026-08-17 12:25:022,184
0		2,184Form 4
49Powers Brian John
SVP, PEM Segment Head		2026-04-06 08:02:331,961
0		1,961Form 4
50Darby Tommy
VP and CAO		2026-09-01 07:14:551,791
0		1,791Form 4