LYTIR

Insider · SEC Form 4 · Chief Scientific Officer

THOMAS C. CHEN

Filed with the SEC as CHEN THOMAS C; the order above is the one the filer's own signature uses.

In the 12 months to Nov 8, 2026, on the open market: bought $303K of NTHI. Filed a median of 3 business days after the trade.

Open-market purchases and sales this filer reported on SEC Form 4, by the day traded. Insiders have two business days to file. A sale marked 10b5-1 was made under a plan adopted in advance. How to read these

Insider purchases and sales, by month (last 12 months)Insider purchases: $303K in total; Insider sales: $0 in total.Apr: Insider purchases $53KAug: Insider purchases $210KSep: Insider purchases $40KDecJanFebMarAprMayJunJulAugSepOctNov
Insider purchases above the line: $303KInsider sales below: $0
Dollar value of open-market purchases and sales reported on SEC Form 4, by the month traded. Sales include pre-arranged 10b5-1 plan sales.
  1. NTHIBought: NEONC TECHNOLOGIES HOLDINGS, INC. Sep 14, 2026 5,242 shares filed Sep 15, 2026 24,503 shares held indirectly after, as filed filing $20K
  2. NTHIBought: NEONC TECHNOLOGIES HOLDINGS, INC. Sep 11, 2026 5,556 shares filed Sep 15, 2026 19,261 shares held indirectly after, as filed filing $20K
  3. NTHIBought: NEONC TECHNOLOGIES HOLDINGS, INC. Aug 18, 2026 12,757 shares filed Aug 20, 2026 13,705 shares held indirectly after, as filed filing $70K
  4. NTHIBought: NEONC TECHNOLOGIES HOLDINGS, INC. Aug 17, 2026 2,472 shares filed Aug 20, 2026 583,531 shares held directly after, as filed filing $10K
  5. NTHIBought: NEONC TECHNOLOGIES HOLDINGS, INC. Aug 14, 2026 33,787 shares filed Aug 20, 2026 581,059 shares held directly after, as filed filing $130K
  6. NTHIBought: NEONC TECHNOLOGIES HOLDINGS, INC. Apr 24, 2026 10,000 shares filed Aug 20, 2026 10,000 shares held indirectly after, as filed filing $48K
  7. NTHIBought: NEONC TECHNOLOGIES HOLDINGS, INC. Apr 10, 2026 948 shares filed Aug 20, 2026 948 shares held indirectly after, as filed filing $5K

Source: SEC Form 4 filings. Value is shares × the price reported on the filing; a filing whose price failed Lytir's check against the market price is left out, and a trade that related owners reported on separate forms is counted once. Filings can be late, amended or wrong at the source; see methodology.