Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>

Common stock purchase or sale:
Transaction Date |
Reported DateTime |
Company | Symbol | Insider Relationship |
Shares Traded |
Average Price |
Total Amount |
Shares Owned |
Filing |
2023-12-06 Purchase |
2023-12-07 5:23 pm |
NKGen Biotech Inc. | NKGN | Song Paul Y. Chief Executive Officer |
151 | $3.3049 | $500 | 171,121 (Direct) |
View |
2023-12-04 Purchase |
2023-12-05 3:51 pm |
NKGen Biotech Inc. | NKGN | Song Paul Y. Chief Executive Officer |
268 | $3.172 | $850 | 170,969 (Direct) |
View |
2023-12-01 Purchase |
2023-12-05 3:50 pm |
NKGen Biotech Inc. | NKGN | Graf James A Graf Acquisition Partners IV LLC Interim CFO |
670 | $3.2425 | $2,173 | 2,437,437 (Indirect Direct) |
View |
2023-11-27 Purchase |
2023-11-28 4:10 pm |
NKGen Biotech Inc. | NKGN | Song Paul Y. Chief Executive Officer |
244 | $2.8754 | $701 | 170,701 (Direct) |
View |
2023-11-20 Purchase |
2023-11-22 5:55 pm |
NKGen Biotech Inc. | NKGN | Graf James A Graf Acquisition Partners IV LLC Interim CFO |
23 | $2.9259 | $67 | 2,436,767 (Indirect Direct) |
View |
2023-11-21 Purchase |
2023-11-22 5:53 pm |
NKGen Biotech Inc. | NKGN | Song Paul Y. Chief Executive Officer |
153 | $2.8172 | $430 | 170,458 (Direct) |
View |
2021-05-28 Purchase |
2021-06-03 06:03 am |
Graf Acquisition Corp. IV | GFOR | Graf James A Chief Executive Officer |
5,000 | $9.9 | $49,500 | 4,237,175 (Direct) |
View |
2021-05-25 Purchase |
2021-05-27 4:57 pm |
Graf Acquisition Corp. IV | GFOR | Graf James A Chief Executive Officer |
500 | $9.9192 | $4,960 | 4,254,300 (Direct) |
View |
2021-05-25 Purchase |
2021-05-26 9:05 pm |
Graf Acquisition Corp. IV | GFOR | Garcia Gus Co-President |
1,500 | $9.924 | $14,886 | 1,500 (Direct) |
View |
2021-05-21 Purchase |
2021-05-25 7:45 pm |
Graf Acquisition Corp. IV | GFOR | Graf James A Chief Executive Officer |
1,300 | $9.9412 | $12,924 | 8,506,300 (Indirect Direct) |
View |
Stock options: Exercise, Award, Grant, Conversion
Transaction Date |
Reported DateTime |
Exercisable Expiration |
Company | Symnbol | Insider Relationship |
Shares Traded |
Conversion Price |
Shares Owned |
Filing |
2024-12-20 Other |
2024-12-26 7:20 pm |
N/A N/A |
NKGen Biotech Inc. | NKGN | Graf Acquisition Partners IV LLC Graf James A 10% Owner |
63,634 | $0 | 3,388,444 (Direct) |
View |
2024-12-02 Other |
2024-12-23 4:01 pm |
N/A N/A |
NKGen Biotech Inc. | NKGN | Graf Acquisition Partners IV LLC Graf James A 10% Owner |
290,603 | $0 | 11,790,441 (Direct) |
View |
2024-12-06 Option Award |
2024-12-10 9:56 pm |
N/A 2034-12-06 |
NKGen Biotech Inc. | NKGN | Scott Kathleen D. Director |
800,000 | $0 | 800,000 (Direct) |
View |
2024-12-06 Option Award |
2024-12-10 9:56 pm |
N/A 2034-12-06 |
NKGen Biotech Inc. | NKGN | Klowden Michael Director |
800,000 | $0 | 800,000 (Direct) |
View |
2024-12-06 Option Award |
2024-12-10 9:56 pm |
N/A 2034-12-06 |
NKGen Biotech Inc. | NKGN | Song Paul Y. Chief Executive Officer |
2,000,000 | $0 | 2,000,000 (Direct) |
View |
2024-12-06 Option Award |
2024-12-10 9:55 pm |
N/A 2034-12-06 |
NKGen Biotech Inc. | NKGN | Graf James A Chief Financial Officer |
500,000 | $0 | 500,000 (Direct) |
View |
Ownership |
2024-08-27 6:45 pm |
N/A N/A |
NKGen Biotech Inc. | NKGN | CFIC-2015 NV Family Investments LLC Cherng Andrew Jin-Chan CHERNG PEGGY 10% Owner |
0 | $0 | 8,291,666 (Indirect) |
View |
2024-07-11 Option Award |
2024-07-18 5:53 pm |
N/A N/A |
NKGen Biotech Inc. | NKGN | Gottardis Marco Director |
300,000 | $0 | 16,667 (Direct) |
View |
Ownership |
2024-07-18 5:52 pm |
N/A N/A |
NKGen Biotech Inc. | NKGN | Gottardis Marco Director |
0 | $0 | 300,000 (Direct) |
View |
2024-02-12 Option Award |
2024-02-14 8:20 pm |
N/A N/A |
NKGen Biotech Inc. | NKGN | Scott Kathleen D. Director |
300,000 | $0 | 300,000 (Direct) |
View |
2024-02-12 Option Award |
2024-02-14 8:19 pm |
N/A N/A |
NKGen Biotech Inc. | NKGN | Kim Yong Man CSO and CIO |
75,000 | $0 | 75,000 (Direct) |
View |
2024-02-12 Option Award |
2024-02-14 8:16 pm |
N/A N/A |
NKGen Biotech Inc. | NKGN | Song Paul Y. Chief Executive Officer |
1,260,000 | $0 | 1,260,000 (Direct) |
View |
2024-02-12 Option Award |
2024-02-14 8:14 pm |
N/A N/A |
NKGen Biotech Inc. | NKGN | Gagnon Pierre Chief Operating Officer |
360,000 | $0 | 360,000 (Direct) |
View |
2024-02-12 Option Award |
2024-02-14 8:11 pm |
N/A N/A |
NKGen Biotech Inc. | NKGN | Klowden Michael Director |
300,000 | $0 | 300,000 (Direct) |
View |
2023-12-13 Gift |
2023-12-15 9:02 pm |
N/A N/A |
NKGen Biotech Inc. | NKGN | Park Sangwoo NKMAX Co. Ltd. See Remarks 10% Owner |
2,500,000 | $0 | 10,517,990 (Indirect) |
View |
Ownership |
2023-10-10 4:11 pm |
N/A 2029-10-22 |
NKGen Biotech Inc. | NKGN | Gagnon Pierre Chief Operating Officer |
0 | $0 | 161,834 (Direct) |
View |
Ownership |
2023-10-10 4:10 pm |
N/A N/A |
NKGen Biotech Inc. | NKGN | Kim Yong Man CSO and CIO |
0 | $0 | 161,834 (Direct) |
View |
Ownership |
2023-10-10 4:06 pm |
N/A N/A |
NKGen Biotech Inc. | NKGN | Song Paul Y. Chief Executive Officer |
0 | $0 | 647,339 (Direct) |
View |
Ownership |
2023-10-10 4:04 pm |
N/A N/A |
NKGen Biotech Inc. | NKGN | Park Sangwoo NKMAX Co. Ltd. See Remarks 10% Owner |
0 | $0 | 15,753,457 (Indirect) |
View |
2023-09-29 Option Award |
2023-10-04 06:10 am |
2023-10-29 2028-09-29 |
NKGen Biotech Inc. | NKGN | Graf Acquisition Partners IV LLC Graf James A 10% Owner |
5,244,673 | $1.5 | 14,176,581 (Direct) |
View |
2023-09-29 Other |
2023-10-04 06:10 am |
N/A N/A |
NKGen Biotech Inc. | NKGN | Graf Acquisition Partners IV LLC Graf James A 10% Owner |
1,773,631 | $0 | 14,176,581 (Direct) |
View |
2021-07-14 Other |
2021-07-14 4:54 pm |
N/A N/A |
Graf Acquisition Corp. IV | GFOR | Graf Acquisition Partners IV LLC Graf James A Chief Executive Officer 10% Owner |
20,000 | $0 | 4,230,375 (Direct) |
View |
Ownership |
2021-07-14 4:53 pm |
N/A N/A |
Graf Acquisition Corp. IV | GFOR | LEBENTHAL ALEXANDRA Director |
0 | $0 | 20,000 (Direct) |
View |
2021-06-02 Other |
2021-06-02 5:13 pm |
N/A N/A |
Graf Acquisition Corp. IV | GFOR | Graf Acquisition Partners IV LLC Graf James A Chief Executive Officer 10% Owner |
22,125 | $0 | 4,252,500 (Direct) |
View |
Ownership |
2021-05-20 7:25 pm |
N/A N/A |
Graf Acquisition Corp. IV | GFOR | Cruz Anatolio B III Director |
0 | $0 | 20,000 (Direct) |
View |