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 |
2025-03-26 Sale(A) | 2025-06-05 7:05 pm | NEONC TECHNOLOGIES HOLDINGS INC. | NTHI | CHEN THOMAS C CEO 10% Owner | 39,233 | $24.85 | $975,055 | 4,626,480 (Indirect) | View |
2025-05-21 Purchase | 2025-05-23 9:30 pm | NEONC TECHNOLOGIES HOLDINGS INC. | NTHI | CHEN THOMAS C CEO 10% Owner | 5,468 | $7.3157 | $40,002 | 4,628,272 (Indirect Direct) | View |
2025-05-12 Purchase | 2025-05-19 9:24 pm | NEONC TECHNOLOGIES HOLDINGS INC. | NTHI | CHEN THOMAS C CEO 10% Owner | 400 | $7 | $2,800 | 4,582,349 (Indirect Direct) | View |
2025-03-26 Sale(A) | 2025-04-08 9:35 pm | NEONC TECHNOLOGIES HOLDINGS INC. | NTHI | CHEN THOMAS C CEO 10% Owner | 39,233 | $24.85 | $975,055 | 4,626,480 (Indirect) | View |
Stock options: Exercise, Award, Grant, Conversion
Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
2025-03-26 Exercise(A) | 2025-06-05 7:05 pm | 2025-03-26 N/A | NEONC TECHNOLOGIES HOLDINGS INC. | NTHI | CHEN THOMAS C CEO 10% Owner | 79,688 | $0 | 4,626,480 (Indirect) | View |
2025-03-26 Other(A) | 2025-06-05 7:05 pm | N/A N/A | NEONC TECHNOLOGIES HOLDINGS INC. | NTHI | CHEN THOMAS C CEO 10% Owner | 4,076 | $0 | 4,626,480 (Indirect) | View |
2025-03-26 Exercise(A) | 2025-06-05 7:05 pm | N/A N/A | NEONC TECHNOLOGIES HOLDINGS INC. | NTHI | CHEN THOMAS C CEO 10% Owner | 79,688 | $12 | 4,626,480 (Indirect) | View |
2025-03-26 Exercise(A) | 2025-04-08 9:35 pm | 2025-03-26 N/A | NEONC TECHNOLOGIES HOLDINGS INC. | NTHI | CHEN THOMAS C CEO 10% Owner | 79,688 | $0 | 4,626,480 (Indirect) | View |
2025-03-26 Other(A) | 2025-04-08 9:35 pm | N/A N/A | NEONC TECHNOLOGIES HOLDINGS INC. | NTHI | CHEN THOMAS C CEO 10% Owner | 4,076 | $0 | 4,626,480 (Indirect) | View |
2025-03-26 Exercise(A) | 2025-04-08 9:35 pm | N/A N/A | NEONC TECHNOLOGIES HOLDINGS INC. | NTHI | CHEN THOMAS C CEO 10% Owner | 79,688 | $12 | 4,626,480 (Indirect) | View |
2025-03-26 Other | 2025-03-28 8:30 pm | N/A N/A | NEONC TECHNOLOGIES HOLDINGS INC. | NTHI | CHEN THOMAS C CEO 10% Owner | 4,076 | $0 | 4,586,025 (Indirect) | View |
Ownership | 2025-03-25 4:43 pm | N/A N/A | NEONC TECHNOLOGIES HOLDINGS INC. | NTHI | CHEN THOMAS C T. R. CHEN THIRD FAMILY LIMITED PARTNERSHIP CEO 10% Owner | 0 | $0 | 4,852,693 (Direct) | View |