Thomas C Chen, CEO at Neonc Technologies, bought NTHI on Sep 14, 2026
Data as of Oct 16
- Traded
- Sep 14, 2026
- Disclosed
- Sep 15, 2026
- Filed
- 1 day after the trade
Form 4s are due within two business days.
Official filing (SEC Form 4) ↗
The price around the disclosure
NTHI since disclosure
−18.4%
Similar stocks (XLV) since disclosure
+5.4%
XLV — its sector index fund
Change in closing price from Sep 15, 2026 (the first trading day on or after disclosure) to Oct 16, 2026. Dividends excluded. Not a return anyone earned.
Our take
- Not enough evidence · In past tests: 8.0 percentage points better than similar stocks over 3 months · 2,952 tries
Other trades in the same filing
- ▲ BUYThomas C Chen CEONTHI Neonc Technologies Holdings, Inc.$20Kdisclosed Sep 15 · filed 4 days after the trade 1 rule fired