John S Yu
CIK 1550545 · CEO and Chairman · last filed 2025-11-26
John S Yu is a CEO and Chairman who has filed 14 SEC Form 4 insider transactions across 3 companies since 2012. The most recent filing, for KAPA, was dated Nov 26, 2025. Across all open-market trades the lifetime net is −$865.4K, making them a net seller over the disclosed history. Current disclosed insider exposure totals $2.4M 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.
$2.44M
3
14
-$865.4K
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| KAPA | CEO and Chairman | 5,546,677 | $0.44 | $2.44M | $5.8K | 3 | 2025-11-26 |
| ImmunoCellular Therapeutics, Ltd. (IMUC.WS) Delisted | Director | 120,508 | — | — | $0 | 1 | 2018-06-08 |
| ImmunoCellular Therapeutics, Ltd. (IMUC) Delisted | Secretary | 30,652 | — | — | -$871.2K | 10 | 2016-06-21 |
Recent Filings
14 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2025-11-26 | KAPA | Grant (A) | +190,840 | $0 | EDGAR |
| 2025-02-24 | KAPA | Grant (A) | +14,000 | $0 | EDGAR |
| 2024-11-21 | KAPA | Buy (P) | +4,000 | $5.8K | EDGAR |
| 2018-06-08 | ImmunoCellular Therapeutics, Ltd. (IMUC.WS) Delisted | Grant (A) | +120,000 | $0 | EDGAR |
| 2016-06-21 | ImmunoCellular Therapeutics, Ltd. (IMUC) Delisted | Grant (A) | — | $0 | EDGAR |
| 2015-10-01 | ImmunoCellular Therapeutics, Ltd. (IMUC) Delisted | Mixed | +10,326 | -$0 | EDGAR |
| 2015-06-30 | ImmunoCellular Therapeutics, Ltd. (IMUC) Delisted | Grant (A) | — | $0 | EDGAR |
| 2015-03-24 | ImmunoCellular Therapeutics, Ltd. (IMUC) Delisted | Grant (A) | — | $0 | EDGAR |
| 2014-03-10 | ImmunoCellular Therapeutics, Ltd. (IMUC) Delisted | Grant (A) | — | $0 | EDGAR |
| 2013-11-27 | ImmunoCellular Therapeutics, Ltd. (IMUC) Delisted | Mixed | — | -$84.7K | EDGAR |