Chao John Tsung-Chen

CIK 0001746472

VP & MD, Westlake InnovationsDirector10% Owner

Filings

Latest Feb 23, 2026

Issuers covered

Showing

9 of 9

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Track record

Realized signed returns on open-market buys and sales

No scored trades yet for Chao John Tsung-Chen. Track record appears once open-market purchases or sales reach the +30 day horizon.

Companies where Chao John Tsung-Chen has filed

Ticker	Issuer	Filings	Last filed
WLK	Westlake Corp	9	Feb 23, 2026

9 Form 4 / 4-A filings, newest first

Filed	Issuer	Top transaction	Shares	Price	Value
Feb 23, 2026	WLKWestlake Corp	FTax	91	$94.10	$8,563
Feb 19, 2026	WLKWestlake Corp	FTax	242	$98.95	$23,946
Mar 7, 2025	WLKWestlake CorpA	FTax	391	$108.62	$42,470
Mar 6, 2025	WLKWestlake CorpA	FTax	235	$108.62	$25,526
Feb 24, 2025	WLKWestlake Corp	AGrant	955	$0.00	$0
Feb 20, 2025	WLKWestlake Corp	MExercise	513	$0.00	$0
Feb 20, 2024	WLKWestlake Corp	Holdings only	-	-	-
Feb 21, 2023	WLKWestlake Corp	Holdings only	-	-	-
Mar 21, 2022	WLKWestlake Corp	Holdings only	-	-	-

Showing 1-9 of 9

Page 1 of 1

Real-time Form 4 intelligence. Smarter insider tracking.