Sell4

NEONC TECHNOLOGIES HOLDINGS, INC.

NTHI

Total Value

$16.8K

Net $16.8K sold

Filing Date

Sep 18, 2026

1 transaction

Sales

$16.8K

1 transaction

Trade Summary

On Sep 15, 2026, GARNETT KEITHLY, Insider, sold $16.8K of NEONC TECHNOLOGIES HOLDINGS, INC. (NTHI) across 1 transaction. The filing covers Common Stock and reflects net selling of $16.8K. Reported prices ranged from $3.36. Insider transactions are sourced from SEC Form 4 disclosures and should be reviewed alongside company fundamentals and the insider's broader trading history.

Price at the Time of the Trade

NTHI daily price with the insider's sale marked at $3.36.

Sold near the 6-month low · the stock trades 3% lower today.

Price data is delayed and provided for context only — not investment advice.

Insider Information

Name: GARNETT KEITHLY
Role: Insider
Location: CALABASAS, CA

Filing Details

Filing Date: Sep 18, 2026
Transaction Date: Sep 15, 2026
Accession Number: 0001213900-26-101592
Form Type: 4
Net Trading Amount: -$16.8K

Non-Derivative Transactions

Date	Security	Shares	Price	Type	Value
Sep 15, 2026	Common Stock	5,000	$3.36	Sale	$16.8K

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Footnotes

(F1)Sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 16, 2026.
(F2)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.
(F3)Reporting Person is the beneficial onwer of such shares by virtue of being the sole member of The Hilkiah Group LLC ("Hilkiah"), which holds a 4.3% interest in HCWG LLC, a Delaware limited liability company ("HCWG"). HCWG is the direct holder of such shares.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

GARNETT KEITHLY

(Last)

(First)

(Middle)

23975 SORRENTO PARK

SUITE 205

(Street)

CALABASAS

91302

(City)

(State)

(Zip)

2. Issuer Name and Ticker or Trading Symbol
NEONC TECHNOLOGIES HOLDINGS, INC. [ NTHI ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	CFO

3. Date of Earliest Transaction (Month/Day/Year)
09/15/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	09/15/2026		S⁽¹⁾		5,000	A	$3.3618	237,357⁽²⁾	D
Common Stock								44,053	I⁽³⁾	By HCWG LLC.

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

1. Sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 16, 2026.

2. 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.

3. Reporting Person is the beneficial onwer of such shares by virtue of being the sole member of The Hilkiah Group LLC ("Hilkiah"), which holds a 4.3% interest in HCWG LLC, a Delaware limited liability company ("HCWG"). HCWG is the direct holder of such shares.

Remarks:

	/S/ KEITHLY GARNETT	09/18/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

Form 4 as rendered by the SEC from accession 0001213900-26-101592.

NEONC TECHNOLOGIES HOLDINGS, INC.

Trade Summary

Price at the Time of the Trade

Company Information

Insider Information

Filing Details

Non-Derivative Transactions

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Footnotes

SEC Form 4

SEC Filing

SEC Form 4

Price at the Time of the Trade