Chen Thomas C: insider buys
Every open-market stock purchase reported by Chen Thomas C to the SEC on Form 4.
Total bought$250.13K
Purchases3
Companies1
Last purchase filedSep 15, 2026
Return on these buys-22%
Chen Thomas C has made 3 open-market purchases worth $250.13K in 1 company since Aug 18, 2026, according to SEC Form 4 filings. The most recent was filed on Sep 15, 2026: 10,798 shares of NTHI at $3.71 (CEO, Director, 10% Owner), worth $40.03K. The largest was $140.07K of NTHI on Aug 14, 2026. Taken together, these purchases are down 22% at the latest closing prices (split-adjusted, weighted by amount).
Companies Chen Thomas C bought
| Ticker | Company | Role | Buys | Total | Since buy | Last filed |
|---|---|---|---|---|---|---|
| NTHI | Neonc Technologies Holdings, Inc. | CEO, Director, 10% Owner | 3 | $250.13K | -22% | Sep 15 |
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| Filed | Stock | Insider | Value | Shares | Price | Since buy | Stake | Trade | |
|---|---|---|---|---|---|---|---|---|---|
| Sep 15 | NTHINeonc Technologies Holdings… | Chen Thomas CCEO, Director, 10% Owner | $40.03K | 10,798 | $3.71 | -12% | +128% | Sep 11 | SEC |
| Aug 20 | NTHINeonc Technologies Holdings… | Chen Thomas CCEO, Director, 10% Owner | $70.04K | 12,757 | $5.49 | -41% | >+999% | Aug 18 | SEC |
| Aug 18 | NTHINeonc Technologies Holdings… | Chen Thomas CCEO, Director, 10% Owner | $140.07K | 36,259 | $3.86 | -16% | +7% | Aug 14 | SEC |