Insider Trading & Ownership - WESTLAKE CORP (WLK)

Real time insider trading transaction history:

  • Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
  • 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
What is insider trading>>
Time period
Insider Trading Transactions for WESTLAKE CORP
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Common stock purchase or sale:
Transaction
Date		 Reported
DateTime		 Company Symbol Insider
Relationship		 Shares
Traded		 Average
Price		 Total
Amount		 Shares
Owned		 Filing
2024-11-29
Sale		 2024-12-02
07:49 am		 WESTLAKE CORP WLK Chao David Tsung-Hung
Director		 1,750 $129.08 $225,888 27,207
(Indirect
Direct)		 View
2024-11-22
Sale		 2024-11-25
08:21 am		 WESTLAKE CORP WLK Chao David Tsung-Hung
Director		 1,750 $130 $227,500 28,957
(Indirect
Direct)		 View
2024-08-23
Sale		 2024-08-26
09:40 am		 WESTLAKE CORP WLK Janssens Thomas J.
SVP, Ops - PEM & Corp Logistic		 14,864 $149.48 $2,221,930 12,063
(Direct)		 View
2024-08-16
Sale		 2024-08-19
2:50 pm		 WESTLAKE CORP WLK Chao Albert
Executive Chairman		 45,298 $146.61 $6,641,279 554,916
(Direct)		 View

Stock options: Exercise, Award, Grant, Conversion
Transaction
Date		 Reported
DateTime		 Exercisable
Expiration		 Company Symnbol Insider
Relationship		 Shares
Traded		 Conversion
Price		 Shares
Owned		 Filing
2025-04-11
Option Award		 2025-04-15
6:00 pm		 N/A
N/A		 WESTLAKE CORP WLK Buesinger Robert F.
EVP, PEM		 17,101 $0 17,101
(Direct)		 View
2025-04-11
Option Award		 2025-04-15
6:00 pm		 N/A
N/A		 WESTLAKE CORP WLK Szwejbka Scott Thomas
SVP, HIP		 8,551 $0 8,551
(Direct)		 View

Ownership		 2025-04-14
6:00 pm		 N/A
N/A		 WESTLAKE CORP WLK Szwejbka Scott Thomas
SVP, HIP		 0 $0 30,714
(Direct)		 View
2025-02-20
Option Award(A)		 2025-03-07
07:00 am		 N/A
N/A		 WESTLAKE CORP WLK Chao John Tsung-chen
Director		 955 $0 7,038
(Direct)		 View
2025-03-05
Tax Withholding(A)		 2025-03-07
07:00 am		 N/A
N/A		 WESTLAKE CORP WLK Chao John Tsung-chen
Director		 391 $108.62 7,038
(Direct)		 View
2025-03-05
Tax Withholding(A)		 2025-03-06
09:05 am		 N/A
N/A		 WESTLAKE CORP WLK Chao John Tsung-chen
Director		 235 $108.62 7,429
(Direct)		 View
2025-02-18
Exercise(A)		 2025-03-06
09:05 am		 N/A
N/A		 WESTLAKE CORP WLK Chao John Tsung-chen
Director		 513 $0 7,429
(Direct)		 View
2025-02-28
Option Award		 2025-03-04
5:30 pm		 N/A
N/A		 WESTLAKE CORP WLK Gilson Jean-Marc
President and CEO		 8,994 $0 8,994
(Direct)		 View
2025-02-21
Option Award		 2025-02-24
2:14 pm		 N/A
2035-02-21		 WESTLAKE CORP WLK Gilson Jean-Marc
President and CEO		 35,140 $0 35,140
(Direct)		 View
2025-02-21
Option Award		 2025-02-24
2:14 pm		 N/A
2035-02-21		 WESTLAKE CORP WLK Chao John Tsung-chen
Director		 4,646 $0 11,355
(Direct)		 View
2025-02-21
Option Award		 2025-02-24
2:14 pm		 N/A
2035-02-21		 WESTLAKE CORP WLK Holy Jeffrey Adam
VP and CAO		 5,022 $0 8,164
(Direct)		 View
2025-02-21
Tax Withholding		 2025-02-24
2:14 pm		 N/A
N/A		 WESTLAKE CORP WLK Holy Jeffrey Adam
VP and CAO		 341 $110.54 8,164
(Direct)		 View
2025-02-21
Option Award		 2025-02-24
2:14 pm		 N/A
2035-02-21		 WESTLAKE CORP WLK Ederington L. Benjamin
EVP, PEM, GC and CAO		 30,510 $0 99,464
(Direct)		 View
2025-02-21
Tax Withholding		 2025-02-24
2:14 pm		 N/A
N/A		 WESTLAKE CORP WLK Ederington L. Benjamin
EVP, PEM, GC and CAO		 2,924 $110.54 99,464
(Direct)		 View
2025-02-21
Option Award		 2025-02-24
2:13 pm		 N/A
2035-02-21		 WESTLAKE CORP WLK Janssens Thomas J.
SVP, Ops - PEM & Corp Logistic		 10,261 $0 24,944
(Direct)		 View
2025-02-21
Tax Withholding		 2025-02-24
2:13 pm		 N/A
N/A		 WESTLAKE CORP WLK Janssens Thomas J.
SVP, Ops - PEM & Corp Logistic		 606 $110.54 24,944
(Direct)		 View
2025-02-21
Option Award		 2025-02-24
2:11 pm		 N/A
2035-02-21		 WESTLAKE CORP WLK Chao James
Senior Chairman		 65,869 $0 104,375
(Direct)		 View
2025-02-21
Tax Withholding		 2025-02-24
2:11 pm		 N/A
N/A		 WESTLAKE CORP WLK Chao James
Senior Chairman		 6,554 $110.54 104,375
(Direct)		 View
2025-02-21
Option Award		 2025-02-24
2:10 pm		 N/A
2035-02-21		 WESTLAKE CORP WLK Chao Albert
Executive Chairman		 82,950 $0 636,379
(Direct)		 View
2025-02-21
Tax Withholding		 2025-02-24
2:10 pm		 N/A
N/A		 WESTLAKE CORP WLK Chao Albert
Executive Chairman		 13,390 $110.54 636,379
(Direct)		 View
2025-02-21
Option Award		 2025-02-24
2:10 pm		 N/A
2035-02-21		 WESTLAKE CORP WLK Buesinger Robert F.
EVP, HIP, IT & Digital		 24,336 $0 52,429
(Direct)		 View
2025-02-21
Tax Withholding		 2025-02-24
2:10 pm		 N/A
N/A		 WESTLAKE CORP WLK Buesinger Robert F.
EVP, HIP, IT & Digital		 2,738 $110.54 52,429
(Direct)		 View
2025-02-21
Option Award		 2025-02-24
2:10 pm		 N/A
2035-02-21		 WESTLAKE CORP WLK Bender Mark Steven
EVP & CFO		 34,489 $0 82,638
(Direct)		 View
2025-02-21
Tax Withholding		 2025-02-24
2:10 pm		 N/A
N/A		 WESTLAKE CORP WLK Bender Mark Steven
EVP & CFO		 3,530 $110.54 82,638
(Direct)		 View
2025-02-18
Exercise		 2025-02-20
2:41 pm		 N/A
N/A		 WESTLAKE CORP WLK Chao John Tsung-chen
Director		 513 $0 6,709
(Direct)		 View
2025-02-19
Tax Withholding		 2025-02-20
2:40 pm		 N/A
N/A		 WESTLAKE CORP WLK Ederington L. Benjamin
EVP, PEM, GC and CAO		 216 $112.76 71,878
(Direct)		 View
2025-02-19
Tax Withholding		 2025-02-20
2:40 pm		 N/A
N/A		 WESTLAKE CORP WLK Ederington L. Benjamin
EVP, PEM, GC and CAO		 5,052 $111.46 71,878
(Direct)		 View
2025-02-18
Exercise		 2025-02-20
2:40 pm		 N/A
N/A		 WESTLAKE CORP WLK Ederington L. Benjamin
EVP, PEM, GC and CAO		 13,174 $0 71,878
(Direct)		 View
2025-02-19
Tax Withholding		 2025-02-20
2:39 pm		 N/A
N/A		 WESTLAKE CORP WLK Buesinger Robert F.
EVP, HIP, IT & Digital		 164 $112.76 30,831
(Direct)		 View
2025-02-19
Tax Withholding		 2025-02-20
2:39 pm		 N/A
N/A		 WESTLAKE CORP WLK Buesinger Robert F.
EVP, HIP, IT & Digital		 3,851 $111.46 30,831
(Direct)		 View
2025-02-18
Exercise		 2025-02-20
2:39 pm		 N/A
N/A		 WESTLAKE CORP WLK Buesinger Robert F.
EVP, HIP, IT & Digital		 12,923 $0 30,831
(Direct)		 View
2025-02-19
Tax Withholding		 2025-02-20
2:39 pm		 N/A
N/A		 WESTLAKE CORP WLK Bender Mark Steven
EVP & CFO		 132 $112.76 51,679
(Direct)		 View
2025-02-19
Tax Withholding		 2025-02-20
2:39 pm		 N/A
N/A		 WESTLAKE CORP WLK Bender Mark Steven
EVP & CFO		 50 $112.46 51,679
(Direct)		 View
2025-02-19
Tax Withholding		 2025-02-20
2:39 pm		 N/A
N/A		 WESTLAKE CORP WLK Bender Mark Steven
EVP & CFO		 4,264 $111.46 51,679
(Direct)		 View
2025-02-18
Exercise		 2025-02-20
2:39 pm		 N/A
N/A		 WESTLAKE CORP WLK Bender Mark Steven
EVP & CFO		 13,987 $0 51,679
(Direct)		 View
2025-02-19
Tax Withholding		 2025-02-20
2:38 pm		 N/A
N/A		 WESTLAKE CORP WLK Janssens Thomas J.
SVP, Ops - PEM & Corp Logistic		 14 $112.53 15,289
(Direct)		 View
2025-02-19
Tax Withholding		 2025-02-20
2:38 pm		 N/A
N/A		 WESTLAKE CORP WLK Janssens Thomas J.
SVP, Ops - PEM & Corp Logistic		 322 $111.46 15,289
(Direct)		 View
2025-02-18
Exercise		 2025-02-20
2:38 pm		 N/A
N/A		 WESTLAKE CORP WLK Janssens Thomas J.
SVP, Ops - PEM & Corp Logistic		 1,313 $0 15,289
(Direct)		 View
2025-02-19
Tax Withholding		 2025-02-20
2:36 pm		 N/A
N/A		 WESTLAKE CORP WLK Holy Jeffrey Adam
VP and CAO		 9 $112.76 3,483
(Direct)		 View
2025-02-19
Tax Withholding		 2025-02-20
2:36 pm		 N/A
N/A		 WESTLAKE CORP WLK Holy Jeffrey Adam
VP and CAO		 210 $111.46 3,483
(Direct)		 View
2025-02-18
Exercise		 2025-02-20
2:36 pm		 N/A
N/A		 WESTLAKE CORP WLK Holy Jeffrey Adam
VP and CAO		 702 $0 3,483
(Direct)		 View
2025-02-19
Tax Withholding		 2025-02-20
2:34 pm		 N/A
N/A		 WESTLAKE CORP WLK Chao James
Senior Chairman		 94 $112.76 45,060
(Direct)		 View
2025-02-19
Tax Withholding		 2025-02-20
2:34 pm		 N/A
N/A		 WESTLAKE CORP WLK Chao James
Senior Chairman		 2,193 $111.46 45,060
(Direct)		 View
2025-02-18
Exercise		 2025-02-20
2:34 pm		 N/A
N/A		 WESTLAKE CORP WLK Chao James
Senior Chairman		 8,796 $0 45,060
(Direct)		 View
2025-02-19
Tax Withholding		 2025-02-20
2:30 pm		 N/A
N/A		 WESTLAKE CORP WLK Chao Albert
Executive Chairman		 5,820 $111.46 566,819
(Direct)		 View
2025-02-18
Exercise		 2025-02-20
2:30 pm		 N/A
N/A		 WESTLAKE CORP WLK Chao Albert
Executive Chairman		 17,972 $0 566,819
(Direct)		 View
2025-02-19
Tax Withholding		 2025-02-20
2:30 pm		 N/A
N/A		 WESTLAKE CORP WLK Chao Albert
Executive Chairman		 249 $112.73 566,819
(Direct)		 View
2025-02-18
Tax Withholding		 2025-02-19
09:19 am		 N/A
N/A		 WESTLAKE CORP WLK Janssens Thomas J.
SVP, Ops - PEM & Corp Logistic		 790 $115.29 14,312
(Direct)		 View
2025-02-14
Exercise		 2025-02-19
09:19 am		 N/A
N/A		 WESTLAKE CORP WLK Janssens Thomas J.
SVP, Ops - PEM & Corp Logistic		 3,039 $0 14,312
(Direct)		 View
2025-02-18
Tax Withholding		 2025-02-19
09:18 am		 N/A
N/A		 WESTLAKE CORP WLK Ederington L. Benjamin
EVP, PEM, GC and CAO		 1,895 $115.29 63,972
(Direct)		 View
2025-02-14
Exercise		 2025-02-19
09:18 am		 N/A
N/A		 WESTLAKE CORP WLK Ederington L. Benjamin
EVP, PEM, GC and CAO		 7,597 $0 63,972
(Direct)		 View
2024-12-10
Option Award		 2024-12-10
7:24 pm		 N/A
N/A		 WESTLAKE CORP WLK CREGG ROGER A
Director		 1,339 $0 1,339
(Direct)		 View
2024-08-30
Gift		 2024-09-03
09:39 am		 N/A
N/A		 WESTLAKE CORP WLK Chao James
Senior Chairman		 6,642 $0 38,551
(Direct)		 View
2024-08-23
Exercise		 2024-08-26
09:40 am		 N/A
N/A		 WESTLAKE CORP WLK Janssens Thomas J.
SVP, Ops - PEM & Corp Logistic		 4,337 $79.83 12,063
(Direct)		 View
2024-08-23
Exercise		 2024-08-26
09:40 am		 N/A
2029-02-15		 WESTLAKE CORP WLK Janssens Thomas J.
SVP, Ops - PEM & Corp Logistic		 14,864 $0 12,063
(Direct)		 View
2024-08-23
Exercise		 2024-08-26
09:40 am		 N/A
N/A		 WESTLAKE CORP WLK Janssens Thomas J.
SVP, Ops - PEM & Corp Logistic		 4,020 $86.54 12,063
(Direct)		 View
2024-08-23
Exercise		 2024-08-26
09:40 am		 N/A
N/A		 WESTLAKE CORP WLK Janssens Thomas J.
SVP, Ops - PEM & Corp Logistic		 6,507 $65.81 12,063
(Direct)		 View
2024-08-16
Exercise		 2024-08-19
2:50 pm		 N/A
2025-08-20		 WESTLAKE CORP WLK Chao Albert
Executive Chairman		 45,298 $0 554,916
(Direct)		 View
2024-08-16
Exercise		 2024-08-19
2:50 pm		 N/A
N/A		 WESTLAKE CORP WLK Chao Albert
Executive Chairman		 45,298 $68.09 554,916
(Direct)		 View
2024-08-14
Tax Withholding		 2024-08-15
11:00 am		 N/A
N/A		 WESTLAKE CORP WLK Ederington L. Benjamin
EVP, PEM, GC and CAO		 1,156 $145.44 58,270
(Direct)		 View
2024-08-13
Exercise		 2024-08-15
11:00 am		 N/A
N/A		 WESTLAKE CORP WLK Ederington L. Benjamin
EVP, PEM, GC and CAO		 2,938 $0 58,270
(Direct)		 View
2024-08-14
Tax Withholding		 2024-08-15
11:00 am		 N/A
N/A		 WESTLAKE CORP WLK Bender Mark Steven
EVP & CFO		 1,156 $145.44 42,138
(Direct)		 View
2024-08-13
Exercise		 2024-08-15
11:00 am		 N/A
N/A		 WESTLAKE CORP WLK Bender Mark Steven
EVP & CFO		 2,938 $0 42,138
(Direct)		 View
2024-08-14
Tax Withholding		 2024-08-15
11:00 am		 N/A
N/A		 WESTLAKE CORP WLK Buesinger Robert F.
EVP, HIP, IT & Digital		 2,772 $145.44 21,923
(Direct)		 View
2024-08-13
Exercise		 2024-08-15
11:00 am		 N/A
N/A		 WESTLAKE CORP WLK Buesinger Robert F.
EVP, HIP, IT & Digital		 7,051 $0 21,923
(Direct)		 View
2024-08-09
Option Award		 2024-08-12
11:26 am		 N/A
N/A		 WESTLAKE CORP WLK Sabat Carolyn Chao
Director		 1,128 $0 3,580
(Direct)		 View
2024-08-11
Exercise		 2024-08-12
11:26 am		 N/A
N/A		 WESTLAKE CORP WLK Sabat Carolyn Chao
Director		 1,136 $0 3,580
(Direct)		 View
2024-08-09
Option Award		 2024-08-12
11:26 am		 N/A
N/A		 WESTLAKE CORP WLK Chao Catherine T.
Director		 1,128 $0 25,003
(Direct)		 View
2024-08-11
Exercise		 2024-08-12
11:26 am		 N/A
N/A		 WESTLAKE CORP WLK Chao Catherine T.
Director		 1,136 $0 25,003
(Direct)		 View
2024-08-09
Option Award		 2024-08-12
11:26 am		 N/A
N/A		 WESTLAKE CORP WLK Sheets Jeffrey Wayne
Director		 1,128 $0 12,759
(Direct)		 View
2024-08-11
Exercise		 2024-08-12
11:26 am		 N/A
N/A		 WESTLAKE CORP WLK Sheets Jeffrey Wayne
Director		 1,136 $0 12,759
(Direct)		 View
2024-08-09
Option Award		 2024-08-12
11:25 am		 N/A
N/A		 WESTLAKE CORP WLK NORTHCUTT R BRUCE
Director		 1,128 $0 21,183
(Direct)		 View
2024-08-11
Exercise		 2024-08-12
11:25 am		 N/A
N/A		 WESTLAKE CORP WLK NORTHCUTT R BRUCE
Director		 1,136 $0 21,183
(Direct)		 View
2024-08-09
Option Award		 2024-08-12
11:25 am		 N/A
N/A		 WESTLAKE CORP WLK Lubel Kimberly S
Director		 1,128 $0 11,653
(Direct)		 View
2024-08-11
Exercise		 2024-08-12
11:25 am		 N/A
N/A		 WESTLAKE CORP WLK Lubel Kimberly S
Director		 1,136 $0 11,653
(Direct)		 View
(A) Indicate amendment filing.
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