NeuroOne Medical Technologies (NMTC) officer uses 1,812 shares for tax withholding

Rhea-AI Filing Summary

NeuroOne Medical Technologies Corp officer Mark Christianson reported a tax-related share disposition. On February 18, 2026, he disposed of 1,812 shares of common stock at $0.68 per share to cover tax withholding. Following this transaction, he directly owns 228,920 common shares of the company.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Christianson Mark

Role Business Development Director

Type	Security	Shares	Price	Value
Tax Withholding	Common Stock	1,812	$0.68	$1K

Holdings After Transaction: Common Stock — 228,920 shares (Direct)

Footnotes (1)

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Form 4 Insider Transactions: What Each Field Means →

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^*

Christianson Mark

(Last) (First) (Middle)

7599 ANAGRAM DR.

(Street)

EDEN PRAIRIE MN 55344

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
NEUROONE MEDICAL TECHNOLOGIES Corp [ NMTC ]

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

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

3. Date of Earliest Transaction (Month/Day/Year)
02/18/2026

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)
			Code	V	Amount	(A) or (D)	Price
Common Stock	02/18/2026		F		1,812	D	$0.68	228,920	D

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)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

	/s/ Emily Johns, by Power of Attorney	02/20/2026
	** 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.

FAQ

What insider transaction did NMTC officer Mark Christianson report?

Mark Christianson reported a tax-withholding disposition of 1,812 shares of NeuroOne Medical Technologies common stock. The transaction used shares, valued at $0.68 each, to satisfy tax obligations tied to an equity-related event.

Was the NMTC insider transaction an open-market sale?

No, the NMTC insider transaction was a tax-withholding disposition, code F, not an open-market sale. Shares were delivered to cover exercise price or tax liability instead of being sold on the open market.

How many NMTC shares did Mark Christianson dispose of for taxes?

He disposed of 1,812 NeuroOne Medical Technologies common shares to satisfy tax withholding. The shares were valued at $0.68 each under transaction code F, which is designated for tax or exercise price payments.

How many NMTC shares does Mark Christianson own after the transaction?

After the tax-withholding disposition, Mark Christianson directly owns 228,920 shares of NeuroOne Medical Technologies common stock. This figure reflects his reported direct holdings immediately following the February 18, 2026 transaction.

What does transaction code F mean in the NMTC Form 4 filing?

Transaction code F indicates payment of an exercise price or tax liability by delivering securities. In this NMTC Form 4, shares were used to satisfy tax withholding rather than being sold for cash in the market.