NEUROONE MEDICAL TECHNOLOGIES Corp (NMTC) Insider Ownership

Historic Insider Ownership Trends

According to recent filings covering the 90 days ending February 19, 2026, the three most significant insider holders at Neuroone Medical Technologies are Ceo And President David A Rosa (1.15Mn shares), Chief Financial Officer Ronald W. Mcclurg (444.12K shares), Business Development Director Mark Christianson (230.73K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares Report Date
David A Rosa Ceo And President 1,153,915 05 Jan, 2026
Ronald W. Mcclurg Chief Financial Officer 444,117 07 Apr, 2025
Mark Christianson Business Development Director 230,732 05 Jan, 2026
Steve Mertens Chief Technology Officer 160,423 05 Jan, 2026
Paul Buckman 136,804 19 Feb, 2025
Jeffrey S Mathiesen 114,414 19 Feb, 2025
Edward Andrle 92,003 19 Feb, 2025
Christopher Volker Chief Operating Officer 75,000 26 Dec, 2023
Jason Richard Mills 7,758 02 Jan, 2026

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
31 Dec, 2025 David A Rosa Common Stock A 2,458 $0.76 1,153,915 D F
31 Dec, 2025 Mark Christianson Common Stock D 253 $0.76 230,732 D F
31 Dec, 2025 Steve Mertens Common Stock D 906 $0.76 160,423 D F
18 Dec, 2025 Jason Richard Mills Common Stock A 7,758 $0.00 7,758 D A
30 Sep, 2025 David A Rosa Common Stock D 2,458 $0.89 1,156,373 D F
30 Sep, 2025 Mark Christianson Common Stock D 253 $0.89 230,985 D F
30 Sep, 2025 Steve Mertens Common Stock D 906 $0.89 161,329 D F
05 Sep, 2025 Mark Christianson Common Stock D 30,000 $0.74 231,238 D S
30 Jun, 2025 David A Rosa Common Stock D 2,458 $0.68 1,158,831 D F
30 Jun, 2025 Mark Christianson Common Stock D 253 $0.68 261,238 D F
30 Jun, 2025 Steve Mertens Common Stock D 906 $0.68 162,235 D F
04 Jun, 2025 Mark Christianson Common Stock D 10,000 $0.58 261,491 D S
22 May, 2025 Mark Christianson Common Stock D 8,967 $0.62 271,491 D S
21 May, 2025 Mark Christianson Common Stock D 14 $0.65 280,458 D S
20 May, 2025 Mark Christianson Common Stock D 3,013 $0.66 280,472 D S
19 May, 2025 Mark Christianson Common Stock D 8,006 $0.67 283,485 D S
04 Apr, 2025 David A Rosa Common Stock A 100,000 $0.50 1,161,289 D P
04 Apr, 2025 Ronald W. Mcclurg Common Stock A 200,000 $0.50 444,117 D P
04 Apr, 2025 Ronald W. Mcclurg - - 444,117 D
31 Mar, 2025 David A Rosa Common Stock D 2,458 $0.85 1,061,289 D F