As of September 09, 2026, Neuroone Medical Technologies's top three insider holders are David J. Wambeke (Chief Business Officer, 1.00Mn shares), David J. Wambeke (Chief Business Officer, 200.00K shares), Christopher Volker (Chief Operating Officer, 75.00K shares).
| # | Insider | Position | Direct | Indirect | Total | Share of Insiders | Last Filed |
|---|---|---|---|---|---|---|---|
| 1 | David J. Wambeke | Chief Business Officer | 199,999 | 0 | 199,999 | 47.9% | 08 Sep, 2026 |
| 2 | Christopher Volker | Chief Operating Officer | 75,000 | 0 | 75,000 | 18.0% | 26 Dec, 2023 |
| 3 | David A Rosa | Ceo And President | 60,007 | 0 | 60,007 | 14.4% | 01 Apr, 2026 |
| 4 | Ronald W. Mcclurg | Chief Financial Officer | 24,673 | 0 | 24,673 | 5.9% | 07 Apr, 2025 |
| 5 | Mark Christianson | Market Development Director | 20,692 | 0 | 20,692 | 5.0% | 02 Jul, 2026 |
| 6 | Paul Buckman | Director | 9,930 | 0 | 9,930 | 2.4% | 07 Apr, 2026 |
| 7 | Jeffrey S Mathiesen | Director | 8,686 | 0 | 8,686 | 2.1% | 07 Apr, 2026 |
| 8 | Steve Mertens | Chief Technology Officer | 8,452 | 0 | 8,452 | 2.0% | 01 Apr, 2026 |
| 9 | Edward Andrle | Director | 7,441 | 0 | 7,441 | 1.8% | 07 Apr, 2026 |
| 10 | Jason Richard Mills | Director | 2,760 | 0 | 2,760 | 0.7% | 07 Apr, 2026 |
Each row is that insider’s most recently reported position, from Form 4 filings over the last 60 months — which is why this total does not tie to the quarterly series above, where a quarter counts only the insiders who filed in it. Shares held through a fund or institutional portfolio are counted on the institutional ownership page instead.
| Date | Insider | Position | Transaction | Shares | Price | Value | Shares Held After | Ownership |
|---|---|---|---|---|---|---|---|---|
| 27 Aug, 2026 | David J. Wambeke | Chief Business Officer | Acquired P | 33,333 | $2.01 | $67.00K | 199,999 | Direct |
| 28 Aug, 2026 | David J. Wambeke | Chief Business Officer | Acquired A | 35,000 | $0.00 | $0 | 35,000 | Direct |
| 28 Aug, 2026 | Steve Mertens | Chief Technology Officer | Acquired A | 15,000 | $0.00 | $0 | 15,000 | Direct |
| 28 Aug, 2026 | David A Rosa | Ceo President | Acquired A | 68,000 | $0.00 | $0 | 68,000 | Direct |
| 28 Aug, 2026 | Mark Christianson | Market Development Director | Acquired A | 12,500 | $0.00 | $0 | 12,500 | Direct |
| 28 Aug, 2026 | Emily J. Johns | Chief Administrative Officer | Acquired A | 12,500 | $0.00 | $0 | 12,500 | Direct |
| 28 Aug, 2026 | Christopher Volker | Chief Financial Officer | Acquired A | 35,000 | $0.00 | $0 | 35,000 | Direct |
| 30 Jun, 2026 | Mark Christianson | Market Development Director | Disposed S | 10,000 | $3.18 | $31.77K | 20,692 | Direct |
| 03 Apr, 2026 | Jason Richard Mills | Director | Acquired A | 41,929 | $0.00 | $0 | 2,760 | Direct |
| 03 Apr, 2026 | Paul Buckman | Director | Acquired A | 41,929 | $0.00 | $0 | 9,930 | Direct |
| 03 Apr, 2026 | Jeffrey S Mathiesen | Director | Acquired A | 41,929 | $0.00 | $0 | 8,686 | Direct |
| 03 Apr, 2026 | Edward Andrle | Director | Acquired A | 41,929 | $0.00 | $0 | 7,441 | Direct |
| 03 Apr, 2026 | Edward Andrle | Director | Acquired A | 26,036 | $0.00 | $0 | 1,446 | Direct |
| 03 Apr, 2026 | Jeffrey S Mathiesen | Director | Acquired A | 26,036 | $0.00 | $0 | 1,446 | Direct |
| 03 Apr, 2026 | Jason Richard Mills | Director | Acquired A | 26,036 | $0.00 | $0 | 1,446 | Direct |
| 03 Apr, 2026 | Paul Buckman | Director | Acquired A | 26,036 | $0.00 | $0 | 1,446 | Direct |
| 31 Mar, 2026 | David A Rosa | Ceo And President | Disposed F | 2,458 | $13.99 | $34.38K | 60,007 | Direct |
| 30 Mar, 2026 | Mark Christianson | Business Development Director | Disposed S | 15,363 | $13.32 | $204.64K | 11,051 | Direct |
| 31 Mar, 2026 | Steve Mertens | Chief Technology Officer | Disposed F | 906 | $13.99 | $12.67K | 8,452 | Direct |
| 31 Mar, 2026 | Mark Christianson | Business Development Director | Disposed F | 253 | $13.99 | $3.54K | 11,037 | Direct |