Key facts
- This page summarizes Thomas C. Chen's Form 4 filing for NEONC TECHNOLOGIES HOLDINGS, INC. (NTHI).
- 1 reported transaction and 0 derivative rows are listed below.
- Accepted by SEC: 20 Aug 2026, 21:15.
Thomas C. Chen - 18 Aug 2026 Form 4 Insider Report for NEONC TECHNOLOGIES HOLDINGS, INC. (NTHI)
- Reporting relationship
- CEO, Director, 10%+ Owner
- Issuer ticker
- NTHI
- Reported as of
- 18 Aug 2026
- Net transaction value
- +$69,998
- SEC form
- 4
- Accepted by SEC
- 20 Aug 2026, 21:15:51 UTC
- Prior SEC filing
- 20 Aug 2026
- Source filing
- View source filing
- Reporting owner signature
- /S/ THOMAS C CHEN
Source evidence
Original filing metadata and source links for verification.
4 source fields
Reporting owner
1 detail
Key filing fact
Thomas C. Chen filed Form 4 for NEONC TECHNOLOGIES HOLDINGS, INC. (NTHI) on 20 Aug 2026.
Change
- Previous filing in this sequence was filed on 20 Aug 2026.
- Current net transaction value: +$69,998.
Research use
- This tells you what this filing adds before you inspect full transaction and derivative tables.
- You can trace every row back to the original SEC filing document.
Evidence
Filed on Form 4
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (1)
CIK 0001998682
Primary reporting owner
CHEN THOMAS C
- Relationship
- CEO, Director, 10%+ Owner
- Address
- 23975 SORRENTO PARK, SUITE 205, CALABASAS
- Signature
- /S/ THOMAS C CHEN
- Signature date
- 20 Aug 2026
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
NTHI
transaction
Common Stock
Purchase
- Transaction value
- $69,998
- Shares
- +12,757
- Change %
- +1346%
- Price
- $5.49
- Shares after
- 13,705
- Date
- 18 Aug 2026
- Ownership
- By IRA
- Footnotes
- F1, F2
NTHI
holding
Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 583,531
- Date
- 18 Aug 2026
- Ownership
- Direct
- Footnotes
- F3
NTHI
holding
Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 261,242
- Date
- 18 Aug 2026
- Ownership
- By HCWG LLC
- Footnotes
- F4
NTHI
holding
Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 888,148
- Date
- 18 Aug 2026
- Ownership
- By NeuCen Biomedical Co. Ltd.
- Footnotes
- F5
NTHI
holding
Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 2,833,961
- Date
- 18 Aug 2026
- Ownership
- By TR Chen Third Family Limited Partnership.
- Footnotes
- F6
NTHI
holding
Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 93,253
- Date
- 18 Aug 2026
- Ownership
- By Tien Duan Chen Trust
- Footnotes
- F7
NTHI
holding
Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 948
- Date
- 18 Aug 2026
- Ownership
- By Defined Benefit Plan
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 7 footnotes
Footnote F1
The aggregate number of shares of Issuer's Class A common stock (the "Shares") purchased by the Reporting Person on the same day at different prices.
Footnote F2
Represents the weighted average purchase price. The Shares were purchased at prices ranging from $5.275 to $5.82 per share, inclusive. Full information regarding the number of Shares sold at each price shall be provided to the Securities and Exchange Commission staff, Issuer or any security holder, upon request.
Footnote F3
Includes shares of common stock held by certain members of Reporting Person's immediate family of which Reporting Person disclaims beneficial ownership except to the extent of his pecuniary interest, if any, therein.
Footnote F4
Such shares represent only Reporting Person's percentage interest in HCWG LLC.
Footnote F5
Shares held by NeuCen Biomedical Co. Ltd. ("NeuCen"). NeuCen is owned in part by Reporting Person's spouse. Reporting Person disclaims beneficial ownership of such shares except to the extent of his pecuniary interest, if any, therein.
Footnote F6
Shares held by T. R. Chen Third Family Limited Partnership, a NV limited partnership, of which Reporting Person and his spouse are the general partners with sole voting and dispositive power. Reporting Person disclaims beneficial ownership of such shares except to the extent of his pecuniary interest, if any, therein.
Footnote F7
Reporting Person disclaims beneficial ownership of such shares, except to the extent of his pecuniary interest, if any, therein.