Insider · CIK 0001299403

Chao Albert

Reports to the SEC for 2 companies · HOUSTON, TX

sec.gov

Transactions

Companies

Filings

CIK

0001299403

Forms 4 and 5

Insider transactions

50 trades

Date	Company	Role	Code	Shares	Price	Value	Shares after
2026-08-11	WLKWESTLAKE CORPS Sale	Director, Executive Chairman	SSale	−7,489 sh	$79.70	−$597K	674,264
2026-08-11	WLKWESTLAKE CORP · Employee Option (right to buy)M Exercise/Conversion	Director, Executive Chairman	MExercise/Conversion	−38.9K sh	—	—	38,873
2026-08-11	WLKWESTLAKE CORPS Sale	Director, Executive Chairman	SSale	−31.4K sh	$80.42	−$2.52M	642,880
2026-08-11	WLKWESTLAKE CORPM Exercise/Conversion	Director, Executive Chairman	MExercise/Conversion	+38.9K sh	$61.87	+$2.4M	681,753
2026-02-20	WLKWESTLAKE CORPF Tax Payment	Director, Executive Chairman	FTax Payment	−2,501 sh	$94.10	−$235K	642,880
2026-02-20	WLKWESTLAKE CORP · Restricted Stock UnitsA Award	Director, Executive Chairman	AAward	+14.9K sh	—	—	14,945
2026-02-20	WLKWESTLAKE CORP · Employee Option (right to buy)A Award	Director, Executive Chairman	AAward	+54.8K sh	—	—	54,763
2026-02-19	WLKWESTLAKE CORPA Award	Director, Executive Chairman	AAward	+6,193 sh	—	—	645,381
2026-02-18	WLKWESTLAKE CORPF Tax Payment	Director, Executive Chairman	FTax Payment	−5,089 sh	$98.95	−$504K	639,188
2026-02-17	WLKWESTLAKE CORPM Exercise/Conversion	Director, Executive Chairman	MExercise/Conversion	+16.6K sh	—	—	644,277
2026-02-17	WLKWESTLAKE CORP · Restricted Stock UnitsM Exercise/Conversion	Director, Executive Chairman	MExercise/Conversion	−16.6K sh	—	—	0
2025-12-22	WLKWESTLAKE CORPS Sale	Director, Executive Chairman	SSale	−30.6K sh	$73.80	−$2.26M	628,243
2025-12-22	WLKWESTLAKE CORP · Employee Option (right to buy)M Exercise/Conversion	Director, Executive Chairman	MExercise/Conversion	−81.7K sh	—	—	0
2025-12-22	WLKWESTLAKE CORPS Sale	Director, Executive Chairman	SSale	−9,711 sh	$72.82	−$707K	658,847
2025-12-22	WLKWESTLAKE CORPM Exercise/Conversion	Director, Executive Chairman	MExercise/Conversion	+81.7K sh	$44.42	+$3.63M	668,558
2025-12-22	WLKWESTLAKE CORPS Sale	Director, Executive Chairman	SSale	−521 sh	$74.44	−$38.8K	627,722
2025-02-21	WLKWESTLAKE CORP · Restricted Stock UnitsA Award	Director, Executive Chairman	AAward	+12.3K sh	—	—	12,322
2025-02-21	WLKWESTLAKE CORPF Tax Payment	Director, Executive Chairman	FTax Payment	−13.4K sh	$110.54	−$1.48M	586,885
2025-02-21	WLKWESTLAKE CORP · Employee Option (right to buy)A Award	Director, Executive Chairman	AAward	+37.2K sh	—	—	37,172
2025-02-20	WLKWESTLAKE CORPA Award	Director, Executive Chairman	AAward	+33.5K sh	—	—	600,275
2025-02-19	WLKWESTLAKE CORPF Tax Payment	Director, Executive Chairman	FTax Payment	−249 sh	$112.73	−$28.1K	566,819
2025-02-19	WLKWESTLAKE CORPF Tax Payment	Director, Executive Chairman	FTax Payment	−5,820 sh	$111.46	−$649K	567,068
2025-02-18	WLKWESTLAKE CORPM Exercise/Conversion	Director, Executive Chairman	MExercise/Conversion	+18K sh	—	—	572,888
2025-02-18	WLKWESTLAKE CORP · Restricted Stock UnitsM Exercise/Conversion	Director, Executive Chairman	MExercise/Conversion	−18K sh	—	—	0
2024-08-16	WLKWESTLAKE CORPM Exercise/Conversion	Director, Executive Chairman	MExercise/Conversion	+45.3K sh	$68.09	+$3.08M	600,214
2024-08-16	WLKWESTLAKE CORP · Employee Option (right to buy)M Exercise/Conversion	Director, Executive Chairman	MExercise/Conversion	−45.3K sh	—	—	0
2024-08-16	WLKWESTLAKE CORPD Disposition to Issuer	Director, Executive Chairman	DDisposition to Issuer	−7 sh	$147.04	−$1,029.28	554,916
2024-08-16	WLKWESTLAKE CORPD Disposition to Issuer	Director, Executive Chairman	DDisposition to Issuer	−45.3K sh	$146.61	−$6.64M	554,923
2024-02-20	WLKWESTLAKE CORPF Tax Payment	Director, Executive Chairman	FTax Payment	−22.6K sh	$129.92	−$2.93M	557,135
2024-02-20	WLKWESTLAKE CORPF Tax Payment	Director, Executive Chairman	FTax Payment	−2,207 sh	$137.37	−$303K	554,916
2024-02-20	WLKWESTLAKE CORPF Tax Payment	Director, Executive Chairman	FTax Payment	−12 sh	$135.43	−$1,625.16	557,123
2024-02-19	WLKWESTLAKE CORPM Exercise/Conversion	Director, Executive Chairman	MExercise/Conversion	+19.8K sh	—	—	579,696
2024-02-19	WLKWESTLAKE CORP · Restricted Stock UnitsM Exercise/Conversion	Director, Executive Chairman	MExercise/Conversion	−19.8K sh	—	—	0
2024-02-16	WLKWESTLAKE CORPA Award	Director, Executive Chairman	AAward	+39.7K sh	—	—	559,886
2024-02-16	WLKWESTLAKE CORP · Restricted Stock UnitsA Award	Director, Executive Chairman	AAward	+16K sh	—	—	16,010
2024-02-16	WLKWESTLAKE CORP · Employee Option (right to buy)A Award	Director, Executive Chairman	AAward	+44.3K sh	—	—	44,324
2023-08-31	WLKWESTLAKE CORPD Disposition to Issuer	Director, Executive Chairman	DDisposition to Issuer	−11.3K sh	$131.20	−$1.48M	528,862
2023-08-31	WLKWESTLAKE CORPM Exercise/Conversion	Director, Executive Chairman	MExercise/Conversion	+20K sh	$63.98	+$1.28M	540,136
2023-08-31	WLKWESTLAKE CORPD Disposition to Issuer	Director, Executive Chairman	DDisposition to Issuer	−8,397 sh	$131.94	−$1.11M	520,465
2023-08-31	WLKWESTLAKE CORPD Disposition to Issuer	Director, Executive Chairman	DDisposition to Issuer	−317 sh	$132.67	−$42.1K	520,148
2023-08-31	WLKWESTLAKE CORP · Employee Option (right to buy)M Exercise/Conversion	Director, Executive Chairman	MExercise/Conversion	+20K sh	—	—	0
2023-08-30	WLKWESTLAKE CORPD Disposition to Issuer	Director, Executive Chairman	DDisposition to Issuer	−17.7K sh	$134.09	−$2.37M	522,463
2023-08-30	WLKWESTLAKE CORPD Disposition to Issuer	Director, Executive Chairman	DDisposition to Issuer	−2,315 sh	$134.60	−$312K	520.148
2023-08-30	WLKWESTLAKE CORP · Employee Option (right to buy)M Exercise/Conversion	Director, Executive Chairman	MExercise/Conversion	+20K sh	—	—	19,988
2023-08-30	WLKWESTLAKE CORPM Exercise/Conversion	Director, Executive Chairman	MExercise/Conversion	+20K sh	$63.98	+$1.28M	540,148
2023-03-13	WLKWESTLAKE CORPF Tax Payment	Director, Executive Chairman	FTax Payment	−1,109 sh	$104.70	−$116K	520,148
2023-03-13	WLKWESTLAKE CORPF Tax Payment	Director, Executive Chairman	FTax Payment	−20.9K sh	$104.32	−$2.18M	521,257
2023-02-17	WLKWESTLAKE CORP · Restricted Stock UnitsA Award	Director, Executive Chairman	AAward	+16.6K sh	—	—	16,555
2023-02-17	WLKWESTLAKE CORP · Employee Option (right to buy)A Award	Director, Executive Chairman	AAward	+45.2K sh	—	—	45,196
2023-02-17	WLKWESTLAKE CORPA Award	Director, Executive Chairman	AAward	+52.3K sh	—	—	542,124

Recent filings

Accepted (ET)
Aug 114
Chao Albert0001193125-26-345140
SEC(opens sec.gov)
Feb 234
Chao Albert0001193125-26-063663
SEC(opens sec.gov)
Feb 194
Chao Albert0001193125-26-059211
SEC(opens sec.gov)
Dec 234
Chao Albert0001193125-25-329926
SEC(opens sec.gov)
Feb 244
Chao Albert0000950170-25-025478
SEC(opens sec.gov)

Companies

Address

2801 POST OAK BLVD., STE. 600

HOUSTON, TX, 77056