Derrick Sung
CIK 1670118 · COO and CFO · last filed 2025-12-03
Derrick Sung is a COO and CFO who has filed 31 SEC Form 4 insider transactions across 3 companies since 2017. The most recent filing, for LUNG, was dated Dec 3, 2025. Across all open-market trades the lifetime net is −$5.3M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $4.9M 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.
$4.90M
3
31
-$5.33M
Holdings By Company
Recent Filings
31 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2025-12-03 | LUNG | Grant (A) | +1,200,000 | $0 | EDGAR |
| 2023-09-06 | LUNG | Sell (S) | −4,219 | -$42.2K | EDGAR |
| 2023-06-02 | LUNG | Sell (S) | −4,222 | -$48.5K | EDGAR |
| 2023-03-03 | LUNG | Mixed | +136,736 | -$13.9K | EDGAR |
| 2022-12-05 | LUNG | Sell (S) | −1,069 | -$6.3K | EDGAR |
| 2022-11-14 | LUNG | Exer (M) | +10,000 | $22.0K | EDGAR |
| 2022-09-06 | LUNG | Sell (S) | −1,082 | -$19.3K | EDGAR |
| 2022-08-09 | UTRS | Grant (A) | +86,956 | $200.0K | EDGAR |
| 2022-06-03 | LUNG | Sell (S) | −1,065 | -$19.2K | EDGAR |
| 2022-03-03 | LUNG | Mixed | +30,542 | -$11.9K | EDGAR |