6 insiders reported 12 Form 4 transactions for NKGen Biotech, Inc. (NKGN) over the past 18 months (most recent 2025-06-02). Recent activity: CFIC-2015 NV Family Investments, LLC (Insider) Buy 19.7M shares, CHERNG PEGGY (Insider) Buy 19.7M shares, Cherng Andrew Jin-Chan (Insider) Buy 19.7M shares, Song Paul Y. (Chief Executive Officer) Buy 20.8M shares, Graf James A (Interim CFO) Sell 63,634 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2025-06-02 | CFIC-2015 NV Family Investments, LLC | Insider | Buy | 19.7M | $2.6M |
| 2025-06-02 | CHERNG PEGGY | Insider | Buy | 19.7M | $2.6M |
| 2025-06-02 | Cherng Andrew Jin-Chan | Insider | Buy | 19.7M | $2.6M |
| 2025-05-07 | Song Paul Y. | Chief Executive Officer | Buy | 20.8M | $2.7M |
| 2024-12-26 | Graf James A | Interim CFO | Sell | 63,634 | $0 |
| 2024-12-26 | Graf Acquisition Partners IV LLC | Insider | Sell | 63,634 | $0 |
| 2024-12-23 | Graf James A | Interim CFO | Sell | 97,232 | $0 |
| 2024-12-23 | Graf Acquisition Partners IV LLC | Insider | Sell | 97,232 | $0 |
| 2024-12-23 | Graf James A | Interim CFO | Sell | 83,214 | $0 |
| 2024-12-23 | Graf Acquisition Partners IV LLC | Insider | Sell | 83,214 | $0 |
| 2024-12-23 | Graf James A | Interim CFO | Sell | 110,157 | $0 |
| 2024-12-23 | Graf Acquisition Partners IV LLC | Insider | Sell | 110,157 | $0 |
Source: SEC Form 4 filings · as of 2025-06-02
