NEONC (NTHI) 10% Owner Thomas C. Chen Buys 12,757 Shares

What Happened
Thomas C. Chen, a 10% owner of NEONC Technologies Holdings, Inc. (NTHI), purchased 12,757 shares on August 18, 2026 in an open-market/private purchase (code P). The weighted average purchase price reported was $5.49 per share, for an aggregate transaction value of $69,998.

Key Details

• Transaction date: 2026-08-18; Filing date: 2026-08-20 (filed within the typical Form 4 timeframe).
• Shares purchased: 12,757 at a weighted average price of $5.49; total ≈ $69,998.
• Price range: $5.275 to $5.82 per share (footnote F2 indicates purchases occurred at different prices; full breakdown available on request).
• Shares owned after the transaction: Not disclosed in the filing.
• Relevant footnotes: F1 (aggregate of same-day purchases at different prices); F2 (weighted avg and price range; details available upon request); F3–F7 describe shares held by family members, entities (HCWG LLC, NeuCen Biomedical, T. R. Chen Third Family LP) and disclaimers of beneficial ownership except to the extent of pecuniary interest.

Context
This was a direct purchase by a 10% owner (institutional/large holder category rather than necessarily an executive trade). Purchases by insiders can be of interest to retail investors as they may signal a willingness to increase exposure, but filings do not state motivations. The filing appears timely (filed two days after the reported transaction).