NeuroOne Medical Technologies: Insider Ownership Update

TL;DR

Jeff Mathiesen updated his NeuroOne Medical stock ownership on 4/3/26. Details TBD.

AI Summary

On April 3, 2026, Jeffrey S. Mathiesen reported a change in beneficial ownership of securities for NeuroOne Medical Technologies Corp. The filing details transactions related to his holdings, but specific details on the nature of the transaction, number of shares, or dollar amounts are not provided in this excerpt.

Why It Matters

Changes in beneficial ownership by insiders can signal their confidence in the company's future prospects or indicate a need for personal liquidity.

Risk Assessment

Risk Level: low — This is a routine Form 4 filing reporting changes in beneficial ownership, which typically does not carry immediate high risk.

Key Players & Entities

• Jeffrey S. Mathiesen (person) — Reporting person
• NeuroOne Medical Technologies Corp (company) — Issuer
• 0001296853-26-000001 (filing_id) — SEC Accession Number
• 2026-04-07 (date) — Filing Date
• 2026-04-03 (date) — Period of Report

FAQ

Filing Documents

• primary_doc.html (4)
• primary_doc.xml (4) — 6KB
• 0001296853-26-000001.txt ( ) — 7KB

From the Filing

SEC FORM 4 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 * MATHIESEN JEFFREY S (Last) (First) (Middle) C/O NEUROONE MEDICAL TECHNOLOGIES CORP 7599 ANAGRAM DRIVE (Street) EDEN PRAIRIE MINNESOTA 55344 (City) (State) (Zip) UNITED STATES (Country) 2. Issuer Name and Ticker or Trading Symbol NEUROONE MEDICAL TECHNOLOGIES Corp [ NMTC ] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X Director 10% Owner Officer (give title below) Other (specify below) 2a. Foreign Trading Symbol 3. Date of Earliest Transaction (Month/Day/Year) 04/03/2026 6. Individual or Joint/Group Filing (Check Applicable Line) X Form filed by One Reporting Person Form filed by More than One Reporting Person 4. If Amendment, Date of Original Filed (Month/Day/Year) 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 04/03/2026 A 41,929 (1) A $ 0 156,343 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 Option to Purchase Common Stock $ 0.795 04/03/2026 A 26,036 (2) 04/02/2036 Common Stock 26,036 $ 0 26,036 D Explanation of Responses: 1. Represents a grant of restricted stock units, which vest in 12 equal monthly installments over a one-year period, with such vesting to occur at the end of each month. 2. The option vests in 12 equal monthly installments over a one-year period, with such vesting to occur at the end of each month. /s/ Emily Johns, by Power of Attorney 04/07/2026 ** 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: SEC 1474 (03-26)