Albert Chao
CIK 1299403 · Executive Chairman · last filed 2026-02-23
Albert Chao is an Executive Chairman who has filed 94 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 −$49.4M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $6.79B 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.
$6.79B
2
94
-$49.38M
Holdings By Company
Recent Filings
94 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-02-23 | WLK | Mixed | +3,692 | -$235.3K | EDGAR |
| 2026-02-19 | WLK | Mixed | +11,466 | -$503.6K | EDGAR |
| 2025-12-23 | WLK | Mixed | +40,837 | $623.5K | EDGAR |
| 2025-12-22 | WLK | Notice (144) | −40,836 | -$3.00M | EDGAR |
| 2025-02-24 | WLK | Mixed | +20,066 | -$1.48M | EDGAR |
| 2025-02-20 | WLK | Mixed | +11,903 | -$676.8K | EDGAR |
| 2024-08-19 | WLK | Mixed | — | -$3.56M | EDGAR |
| 2024-08-16 | WLK | Notice (144) | −45,298 | -$6.57M | EDGAR |
| 2024-02-21 | WLK | Mixed | +34,768 | -$3.24M | EDGAR |
| 2024-02-20 | WLK | Grant (A) | — | $0 | EDGAR |
Notice (144 / 144/A): Form 144 is a notice of intent to sell restricted/control stock under Rule 144, filed before the sale; 144/A is an amendment. Many notices are pre-scheduled under Rule 10b5-1 plans. A Form 4 with code S typically follows within a few days when the planned sale executes; missing follow-up Form 4s suggest the notice was cancelled or modified.