CHEN THOMAS C
SEC CIK 1998682 · EDGAR
BoughtSold
Companies
| Ticker | Company | Title | Holding | Bought | Sold | Trades | First | Last |
|---|---|---|---|---|---|---|---|---|
| NTHI | NEONC TECHNOLOGIES HOLDINGS, INC. | CSO, Dir, 10% | 24.5K | $485.7K | $1.95M | 14 | 2025-03-26 | 2026-09-11 |
Most active insiders at NTHI, 12 months
| # | Insider | Title | Bought | Sold |
|---|---|---|---|---|
| 1 | Heshmatpour Amir F | Pres, Dir, 10% | $1.02M | — |
| 2 | CHEN THOMAS C | CSO, Dir, 10% | $442.9K | — |
| 3 | Neman-Ebrahim Yousha | Chief Clinical Off | $9,799 | — |
| 4 | SUH, DAVID JR. | CAO | $1,000 | — |
| 5 | SHOMALI NASIM | Dir | — | — |
| 6 | GARNETT KEITHLY | CFO | $1,001 | -$16.8K |
Transactions 14
| X | Filed | Traded | Ticker | Company | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| MI | 2026-09-15 20:45 | 2026-09-11+ | NTHI | NEONC TECHNOLOGIES HOLDINGS, INC. | CHEN THOMAS C | CEO, Dir, 10% | P - Purchase | $3.70 | +10.8K | 24.5K | +79% | +$40.0K |
| I | 2026-08-20 21:15 | 2026-08-18 | NTHI | NEONC TECHNOLOGIES HOLDINGS, INC. | CHEN THOMAS C | CEO, Dir, 10% | P - Purchase | $5.49 | +12.8K | 13.7K | +1,346% | +$70.0K |
| MAI | 2026-08-20 21:15 | 2026-04-10+ | NTHI | NEONC TECHNOLOGIES HOLDINGS, INC. | CHEN THOMAS C | CSO, Dir, 10% | P - Purchase | $4.83 | +10.9K | 10.0K | New | +$52.9K |
| MA | 2026-08-20 21:15 | 2026-08-14+ | NTHI | NEONC TECHNOLOGIES HOLDINGS, INC. | CHEN THOMAS C | CSO, Dir, 10% | P - Purchase | $3.86 | +36.3K | 583.5K | +7% | +$140.0K |
| M | 2026-08-18 16:13 | 2026-08-14+ | NTHI | NEONC TECHNOLOGIES HOLDINGS, INC. | CHEN THOMAS C | CEO, Dir, 10% | P - Purchase | $3.86 | +36.3K | 583.5K | +7% | +$140.0K |
| DAI | 2025-06-05 | 2025-03-26 | NTHI | NEONC TECHNOLOGIES HOLDINGS, INC. | CHEN THOMAS C | CEO, Dir, 10% | X - OptEx | $12.00 | +79.7K | 300.5K | +36% | +$956.3K |
| DAI | 2025-06-05 | 2025-03-26 | NTHI | NEONC TECHNOLOGIES HOLDINGS, INC. | CHEN THOMAS C | CEO, Dir, 10% | J - Other | $0.00 | -4,076 | 220.8K | -2% | $0 |
| DMAI | 2025-06-05 | 2025-03-26 | NTHI | NEONC TECHNOLOGIES HOLDINGS, INC. | CHEN THOMAS C | CEO, Dir, 10% | S - Sale+OE | $24.85 | -39.2K | 262.2K | -13% | -$975.1K |
| M | 2025-05-23 | 2025-05-21+ | NTHI | NEONC TECHNOLOGIES HOLDINGS, INC. | CHEN THOMAS C | CEO, Dir, 10% | P - Purchase | $7.31 | +5,468 | 551.7K | +1% | +$40.0K |
| 2025-05-19 | 2025-05-12 | NTHI | NEONC TECHNOLOGIES HOLDINGS, INC. | CHEN THOMAS C | CEO, Dir, 10% | P - Purchase | $7.00 | +400 | 546.2K | +0.1% | +$2,800 | |
| DAI | 2025-04-08 | 2025-03-26 | NTHI | NEONC TECHNOLOGIES HOLDINGS, INC. | CHEN THOMAS C | CEO, Dir, 10% | J - Other | $0.00 | -4,076 | 220.8K | -2% | $0 |
| DMAI | 2025-04-08 | 2025-03-26 | NTHI | NEONC TECHNOLOGIES HOLDINGS, INC. | CHEN THOMAS C | CEO, Dir, 10% | S - Sale+OE | $24.85 | -39.2K | 262.2K | -13% | -$975.1K |
| DAI | 2025-04-08 | 2025-03-26 | NTHI | NEONC TECHNOLOGIES HOLDINGS, INC. | CHEN THOMAS C | CEO, Dir, 10% | X - OptEx | $12.00 | +79.7K | 300.5K | +36% | +$956.3K |
| I | 2025-03-28 | 2025-03-26 | NTHI | NEONC TECHNOLOGIES HOLDINGS, INC. | CHEN THOMAS C | CEO, Dir, 10% | J - Other | $0.00 | -4,076 | 220.8K | -2% | $0 |
Purchase Sale Sale after option exercise All abbreviations