Insider · CIK 0001330417

Bender Mark Steven

Reports to the SEC for 2 companies · HOUSTON, TX

sec.gov

Transactions

Companies

Filings

CIK

0001330417

Forms 4 and 5

Insider transactions

50 trades

Date	Company	Role	Code	Shares	Price	Value	Shares after
2026-05-13	WLKWESTLAKE CORPF Tax Payment	EVP & CFO	FTax Payment	−5,284 sh	$97.34	−$514K	35,895
2026-05-12	WLKWESTLAKE CORPM Exercise/Conversion	EVP & CFO	MExercise/Conversion	+13.2K sh	—	—	41,179
2026-05-12	WLKWESTLAKE CORP · Restricted Stock UnitsM Exercise/Conversion	EVP & CFO	MExercise/Conversion	−13.2K sh	—	—	0
2026-03-27	WLKWESTLAKE CORPS Sale	EVP & CFO	SSale	−16.4K sh	$112.53	−$1.85M	28,015
2026-02-27	WLKWESTLAKE CORP · Employee Option (right to buy)M Exercise/Conversion	EVP & CFO	MExercise/Conversion	−6,199 sh	—	—	0
2026-02-27	WLKWESTLAKE CORP · Employee Option (right to buy)M Exercise/Conversion	EVP & CFO	MExercise/Conversion	−6,494 sh	—	—	0
2026-02-27	WLKWESTLAKE CORPM Exercise/Conversion	EVP & CFO	MExercise/Conversion	+6,494 sh	$86.54	+$562K	74,535
2026-02-27	WLKWESTLAKE CORPS Sale	EVP & CFO	SSale	−421 sh	$101.52	−$42.7K	44,433
2026-02-27	WLKWESTLAKE CORPD Disposition to Issuer	EVP & CFO	DDisposition to Issuer	−12.7K sh	$98.20	−$1.25M	61,842
2026-02-27	WLKWESTLAKE CORPS Sale	EVP & CFO	SSale	−17K sh	$100.91	−$1.71M	44,854
2026-02-27	WLKWESTLAKE CORPM Exercise/Conversion	EVP & CFO	MExercise/Conversion	+6,199 sh	$65.81	+$408K	68,041
2026-02-20	WLKWESTLAKE CORPF Tax Payment	EVP & CFO	FTax Payment	−445 sh	$94.10	−$41.9K	61,842
2026-02-20	WLKWESTLAKE CORP · Restricted Stock UnitsA Award	EVP & CFO	AAward	+7,747 sh	—	—	7,747
2026-02-20	WLKWESTLAKE CORP · Employee Option (right to buy)A Award	EVP & CFO	AAward	+28.4K sh	—	—	28,389
2026-02-19	WLKWESTLAKE CORPA Award	EVP & CFO	AAward	+1,777 sh	—	—	62,287
2026-02-18	WLKWESTLAKE CORPF Tax Payment	EVP & CFO	FTax Payment	−1,209 sh	$98.95	−$120K	60,510
2026-02-17	WLKWESTLAKE CORPM Exercise/Conversion	EVP & CFO	MExercise/Conversion	+4,751 sh	—	—	61,719
2026-02-17	WLKWESTLAKE CORP · Restricted Stock UnitsM Exercise/Conversion	EVP & CFO	MExercise/Conversion	−4,751 sh	—	—	0
2025-02-21	WLKWESTLAKE CORPF Tax Payment	EVP & CFO	FTax Payment	−3,530 sh	$110.54	−$390K	56,968
2025-02-21	WLKWESTLAKE CORP · Employee Option (right to buy)A Award	EVP & CFO	AAward	+19.3K sh	—	—	19,279
2025-02-21	WLKWESTLAKE CORP · Restricted Stock UnitsA Award	EVP & CFO	AAward	+6,391 sh	—	—	6,391
2025-02-20	WLKWESTLAKE CORPA Award	EVP & CFO	AAward	+8,819 sh	—	—	60,498
2025-02-19	WLKWESTLAKE CORPF Tax Payment	EVP & CFO	FTax Payment	−4,264 sh	$111.46	−$475K	51,861
2025-02-19	WLKWESTLAKE CORPF Tax Payment	EVP & CFO	FTax Payment	−132 sh	$112.76	−$14.9K	51,679
2025-02-19	WLKWESTLAKE CORPF Tax Payment	EVP & CFO	FTax Payment	−50 sh	$112.46	−$5,623	51,811
2025-02-18	WLKWESTLAKE CORP · Restricted Stock UnitsM Exercise/Conversion	EVP & CFO	MExercise/Conversion	−14K sh	—	—	0
2025-02-18	WLKWESTLAKE CORPM Exercise/Conversion	EVP & CFO	MExercise/Conversion	+14K sh	—	—	56,125
2024-08-14	WLKWESTLAKE CORPF Tax Payment	EVP & CFO	FTax Payment	−1,156 sh	$145.44	−$168K	42,138
2024-08-13	WLKWESTLAKE CORPM Exercise/Conversion	EVP & CFO	MExercise/Conversion	+2,938 sh	—	—	43,294
2024-08-13	WLKWESTLAKE CORP · Restricted Stock UnitsM Exercise/Conversion	EVP & CFO	MExercise/Conversion	−2,938 sh	—	—	0
2024-05-03	WLKWESTLAKE CORPS Sale	EVP & CFO	SSale	−4,950 sh	$152.19	−$753K	40,356
2024-03-06	WLKWESTLAKE CORPS Sale	EVP & CFO	SSale	−4,804 sh	$141.02	−$677K	45,306
2024-02-26	WLKWESTLAKE CORPS Sale	EVP & CFO	SSale	−4,854 sh	$137.57	−$668K	50,110
2024-02-20	WLKWESTLAKE CORPF Tax Payment	EVP & CFO	FTax Payment	−547 sh	$138.68	−$75.9K	54,964
2024-02-20	WLKWESTLAKE CORPF Tax Payment	EVP & CFO	FTax Payment	−5,597 sh	$129.92	−$727K	55,511
2024-02-19	WLKWESTLAKE CORP · Restricted Stock UnitsM Exercise/Conversion	EVP & CFO	MExercise/Conversion	−5,558 sh	—	—	0
2024-02-19	WLKWESTLAKE CORPM Exercise/Conversion	EVP & CFO	MExercise/Conversion	+5,558 sh	—	—	61,108
2024-02-16	WLKWESTLAKE CORP · Employee Option (right to buy)A Award	EVP & CFO	AAward	+12.3K sh	—	—	12,344
2024-02-16	WLKWESTLAKE CORPA Award	EVP & CFO	AAward	+11.2K sh	—	—	55,550
2024-02-16	WLKWESTLAKE CORP · Restricted Stock UnitsA Award	EVP & CFO	AAward	+4,459 sh	—	—	4,459
2023-08-07	WLKWESTLAKE CORP · Employee Option (right to buy)M Exercise/Conversion	EVP & CFO	MExercise/Conversion	+12K sh	—	—	0
2023-08-07	WLKWESTLAKE CORPM Exercise/Conversion	EVP & CFO	MExercise/Conversion	+12.6K sh	$86.54	+$1.09M	69,039
2023-08-07	WLKWESTLAKE CORPD Disposition to Issuer	EVP & CFO	DDisposition to Issuer	−2,625 sh	$133.99	−$352K	44,400
2023-08-07	WLKWESTLAKE CORPD Disposition to Issuer	EVP & CFO	DDisposition to Issuer	−19.6K sh	$133.48	−$2.62M	47,025
2023-08-07	WLKWESTLAKE CORPD Disposition to Issuer	EVP & CFO	DDisposition to Issuer	−2,416 sh	$132.43	−$320K	66,623
2023-08-07	WLKWESTLAKE CORPM Exercise/Conversion	EVP & CFO	MExercise/Conversion	+12K sh	$107.75	+$1.3M	56,433
2023-08-07	WLKWESTLAKE CORP · Employee Option (right to buy)M Exercise/Conversion	EVP & CFO	MExercise/Conversion	+12.6K sh	—	—	6,494
2023-05-12	WLKWESTLAKE CORP · Restricted Stock UnitsA Award	EVP & CFO	AAward	+13.2K sh	—	—	13,164
2023-05-08	WLKWESTLAKE CORP · Employee Option (right to buy)M Exercise/Conversion	EVP & CFO	MExercise/Conversion	+1,084 sh	—	—	6,199
2023-05-08	WLKWESTLAKE CORPM Exercise/Conversion	EVP & CFO	MExercise/Conversion	+1,084 sh	$65.81	+$71.3K	45,484

Recent filings

Accepted (ET)
May 144
Bender Mark Steven0001193125-26-223323
SEC(opens sec.gov)
Mar 304
Bender Mark Steven0001193125-26-131706
SEC(opens sec.gov)
Mar 64/A
Bender Mark Steven0001193125-26-096289
SEC(opens sec.gov)
Mar 24
Bender Mark Steven0001193125-26-084672
SEC(opens sec.gov)
Feb 234
Bender Mark Steven0001193125-26-063686
SEC(opens sec.gov)
Feb 194
Bender Mark Steven0001193125-26-059207
SEC(opens sec.gov)
Feb 244
Bender Mark Steven0000950170-25-025475
SEC(opens sec.gov)

Companies

Address

2801 POST OAK BLVD., STE. 600

HOUSTON, TX, 77056