Guo Jack Q.
CIK 2095182 · EVP & CFO · last filed 2026-05-07
Guo Jack Q. is an EVP & CFO who has filed 3 SEC Form 4 insider transactions across 1 company since 2026. The most recent filing shows the insider sold $822.1K of CSTM on May 7, 2026. Across all open-market trades the lifetime net is −$1.9M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $6.3M 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.
$6.30M
1
3
-$1.90M
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| CSTM | EVP & CFO | 185,368 | $34.00 | $6.30M | -$1.90M | 3 | 2026-05-07 |
Recent Filings
3 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-05-07 | CSTM | Sell (S) | −25,201 | -$822.1K | EDGAR |
| 2026-03-16 | CSTM | Grant (A) | +19,690 | $0 | EDGAR |
| 2026-03-11 | CSTM | Mixed | +34,157 | -$1.08M | EDGAR |