James Chao

CIK 1299505 · Senior Chairman · last filed 2026-02-23

James Chao is a Senior Chairman who has filed 91 SEC Form 4 insider transactions across 2 companies since 2007. The most recent filing, for WLK, was dated Feb 23, 2026. Across all open-market trades the lifetime net is −$35.5M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $8.63B across reported positions.

"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.

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Disclosed Exposure

$8.63B

Companies

2

Total Filings

91

Lifetime Open-Market Net

-$35.52M

Holdings By Company

Latest on-record share count from this person's most recent non-derivative Form 4 transaction in each company. Disclosed exposure = shares × current underlying price.
Symbol Role Shares Price Disclosed Exposure Lifetime OM Net Filings Latest Filed
WLK Senior Chairman 93,455,328 $88.50 $8.27B -$36.95M 84 2026-02-23
WLKP Senior Chairman 15,524,099 $23.33 $362.18M $1.43M 7 2025-05-30

Recent Filings

91 filings
Form 4 transactions across all companies, newest first.
Filed Symbol Action Net Shares Net $ Link
2026-02-23 WLK Mixed +2,315 -$147.6K EDGAR
2026-02-19 WLK Mixed +7,718 -$263.6K EDGAR
2025-08-29 WLK Gift (G) −15,140 $0 EDGAR
2025-05-30 WLKP Sell (S) −3,700 -$81.8K EDGAR
2025-05-29 WLKP Sell (S) −10,208 -$226.0K EDGAR
2025-02-24 WLK Mixed +9,821 -$724.5K EDGAR
2025-02-20 WLK Mixed +6,509 -$255.0K EDGAR
2024-09-03 WLK Gift (G) −6,642 $0 EDGAR
2024-04-01 WLK Gift (G) −36,632 $0 EDGAR
2024-02-21 WLK Mixed +19,426 -$1.69M EDGAR
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Codes: P = open-market purchase · S = open-market sale · A = grant/award · M = option exercise · F = tax withholding at vest · G = bona-fide gift · D = disposition to issuer · J = other (see filing footnote). Only P / S codes carry directional signal.