Liu Brian Guan-Chyun
CIK 2007835 · last filed 2026-06-05
Liu Brian Guan-Chyun is a corporate insider who has filed 4 SEC Form 4 insider transactions across 1 company since 2024. The most recent filing, for CGON, was dated Jun 5, 2026. Across all open-market trades the lifetime net is +$50.0M, making them a net buyer over the disclosed history. Current disclosed insider exposure totals $85.9M 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.
$85.86M
1
4
$50.00M
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| CGON | Director | 1,515,151 | $56.67 | $85.86M | $50.00M | 4 | 2026-06-05 |
Recent Filings
4 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-06-05 | CGON | Grant (A) | — | $0 | EDGAR |
| 2025-09-15 | CGON | Buy (P) | +1,515,151 | $50.00M | EDGAR |
| 2025-06-06 | CGON | Grant (A) | — | $0 | EDGAR |
| 2024-10-07 | CGON | Grant (A) | — | $0 | EDGAR |