Insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Nkgen Biotech, Inc. (NKGN) since 2021 are shown in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Nkgen Biotech, Inc.. Table 2 shows the detailed insider transactions. This company's CIK number is 1845459.
Total stock buying since 2021: $5,163,580.
Total stock sales since 2021: $0.
Total stock option exercises since 2021: $0.
| Insider Buying | Insider Sales | Option Exercises | ||||
|---|---|---|---|---|---|---|
| Year | Shares | Value | Shares | Value | Shares | Value |
| 2025 | 40,519,277 | $5,145,948 | 0 | $0 | 0 | $0 |
| 2023 | 1,506 | $4,710 | 0 | $0 | 0 | $0 |
| 2021 | 1,300 | $12,922 | 0 | $0 | 0 | $0 |
| Trading Period | Insider Buying | Insider Sales | Option Exercises | |||
|---|---|---|---|---|---|---|
| year-month | Shares | Value | Shares | Value | Shares | Value |
| 2025-05 | 40,519,277 | $5,145,948 | 0 | $0 | 0 | $0 |
| 2023-12 | 1,088 | $3,517 | 0 | $0 | 0 | $0 |
| 2023-11 | 418 | $1,193 | 0 | $0 | 0 | $0 |
| 2021-05 | 1,300 | $12,922 | 0 | $0 | 0 | $0 |
| Trade Date | Insider Name | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2025-05-27 | Cherng Peggy | Buy | 19,669,552 | .13 | 2,498,033 |
| 2025-05-05 | Song Paul Y. (Chief Executive Officer) | Buy | 20,849,725 | .13 | 2,647,915 |
| 2023-12-07 | Song Paul Y. (Chief Executive Officer) | Buy | 76 | 3.29 | 250 |
| 2023-12-06 | Song Paul Y. (Chief Executive Officer) | Buy | 75 | 3.32 | 249 |
| 2023-12-05 | Song Paul Y. (Chief Executive Officer) | Buy | 105 | 3.33 | 349 |
| 2023-12-04 | Song Paul Y. (Chief Executive Officer) | Buy | 162 | 3.07 | 497 |
| 2023-12-04 | Graf Acquisition Partners Iv Llc (10% Owner) | Buy | 450 | 3.19 | 1,435 |
| 2023-12-01 | Graf Acquisition Partners Iv Llc (10% Owner) | Buy | 220 | 3.35 | 737 |
| 2023-11-27 | Song Paul Y. (Chief Executive Officer) | Buy | 243 | 2.88 | 699 |
| 2023-11-22 | Song Paul Y. (Chief Executive Officer) | Buy | 52 | 2.85 | 148 |
| 2023-11-21 | Song Paul Y. (Chief Executive Officer) | Buy | 100 | 2.80 | 280 |
| 2023-11-21 | Graf Acquisition Partners Iv Llc (10% Owner) | Buy | 13 | 2.92 | 37 |
| 2023-11-20 | Graf Acquisition Partners Iv Llc (10% Owner) | Buy | 10 | 2.94 | 29 |
| 2021-05-25 | Graf James A (Chief Executive Officer) | Buy | 222 | 9.90 | 2,197 |
| 2021-05-24 | Graf James A (Chief Executive Officer) | Buy | 28 | 9.94 | 278 |
| 2021-05-21 | Graf James A (Chief Executive Officer) | Buy | 1,050 | 9.95 | 10,447 |
Insider trading activities including stock purchases, stock sales, and option exercises of NKGN listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Nkgen Biotech, Inc. (symbol NKGN, CIK number 1845459) see the Securities and Exchange Commission (SEC) website.