Sung Lee
CIK 1793200 · EVP, Chief Financial Officer · last filed 2026-06-08
Sung Lee is an EVP, Chief Financial Officer who has filed 18 SEC Form 4 insider transactions across 4 companies since 2019. The most recent filing, for TNGX, was dated Jun 8, 2026. Across all open-market trades the lifetime net is −$2.2M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $6.0M 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.
$6.01M
4
18
-$2.20M
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| TNGX | Director | 22,870 | $30.94 | $707.6K | $0 | 3 | 2026-06-08 |
| CYTK | EVP, Chief Financial Officer | 63,221 | $70.15 | $4.43M | -$2.14M | 9 | 2026-05-05 |
| VIR | EVP & Chief Financial Officer | 100,492 | $8.61 | $865.2K | -$59.4K | 3 | 2024-03-28 |
| SANGAMO THERAPEUTICS, INC (SGMO) Delisted | EVP, Chief Financial Officer | 88,708 | $0.18 | $15.8K | $0 | 3 | 2020-11-30 |
Recent Filings
18 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-06-08 | TNGX | Grant (A) | +570 | $0 | EDGAR |
| 2026-05-05 | CYTK | Sell (S) | −23,906 | -$1.84M | EDGAR |
| 2026-05-01 | TNGX | Grant (A) | +12,300 | $0 | EDGAR |
| 2026-03-18 | CYTK | Sell (S) | −4,935 | -$306.7K | EDGAR |
| 2026-03-17 | CYTK | Grant (A) | +20,646 | $0 | EDGAR |
| 2026-01-06 | TNGX | Grant (A) | +10,000 | $0 | EDGAR |
| 2025-12-29 | CYTK | Mixed | +3,499 | -$50.5K | EDGAR |
| 2025-12-05 | CYTK | Tax (F) | −1,560 | -$101.4K | EDGAR |
| 2025-06-03 | CYTK | Tax (F) | −4,965 | -$155.0K | EDGAR |
| 2025-03-18 | CYTK | Grant (A) | +32,687 | $0 | EDGAR |