NMTC's three largest insider shareholders as of June 18, 2026 are David A Rosa (Ceo And President, 1.08Mn shares), David J. Wambeke (Chief Business Officer, 1.00Mn shares), Ronald W. Mcclurg (Chief Financial Officer, 444.12K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Paul Buckman | - | 178,733 | 0 | 07 Apr, 2026 |
| Jeffrey S Mathiesen | - | 156,343 | 0 | 07 Apr, 2026 |
| David A Rosa | Ceo And President | 1,080,132 | 0 | 01 Apr, 2026 |
| Edward Andrle | - | 133,932 | 0 | 07 Apr, 2026 |
| Mark Christianson | Business Development Director | 198,667 | 0 | 01 Apr, 2026 |
| Steve Mertens | Chief Technology Officer | 152,141 | 0 | 01 Apr, 2026 |
| Ronald W. Mcclurg | Chief Financial Officer | 444,117 | 0 | 07 Apr, 2025 |
| David J. Wambeke | Chief Business Officer | 1,000,000 | 0 | 03 Mar, 2026 |
| Christopher Volker | Chief Operating Officer | 75,000 | 0 | 26 Dec, 2023 |
| Jason Richard Mills | - | 49,687 | 0 | 07 Apr, 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.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 03 Apr, 2026 | Edward Andrle | Common Stock | A | 41,929 | $0.00 | 133,932 | D | A |
| 03 Apr, 2026 | Paul Buckman | Common Stock | A | 41,929 | $0.00 | 178,733 | D | A |
| 03 Apr, 2026 | Jason Richard Mills | Common Stock | A | 41,929 | $0.00 | 49,687 | D | A |
| 03 Apr, 2026 | Jeffrey S Mathiesen | Common Stock | A | 41,929 | $0.00 | 156,343 | D | A |
| 03 Apr, 2026 | Edward Andrle | Option to Purchase Common Stock | A | 26,036 | $0.00 | 26,036 | D | A |
| 03 Apr, 2026 | Jeffrey S Mathiesen | Option to Purchase Common Stock | A | 26,036 | $0.00 | 26,036 | D | A |
| 03 Apr, 2026 | Paul Buckman | Option to Purchase Common Stock | A | 26,036 | $0.00 | 26,036 | D | A |
| 03 Apr, 2026 | Jason Richard Mills | Option to Purchase Common Stock | A | 26,036 | $0.00 | 26,036 | D | A |
| 30 Mar, 2026 | Mark Christianson | Common Stock | D | 15,363 | $0.74 | 198,920 | D | S |
| 31 Mar, 2026 | David A Rosa | Common Stock | D | 2,458 | $0.78 | 1,080,132 | D | F |
| 31 Mar, 2026 | Steve Mertens | Common Stock | D | 906 | $0.78 | 152,141 | D | F |
| 31 Mar, 2026 | Mark Christianson | Common Stock | D | 253 | $0.78 | 198,667 | D | F |
| 12 Mar, 2026 | Mark Christianson | Common Stock | D | 817 | $0.80 | 214,383 | D | S |
| 13 Mar, 2026 | Mark Christianson | Common Stock | D | 100 | $0.80 | 214,283 | D | S |
| 10 Mar, 2026 | Mark Christianson | Common Stock | D | 11,611 | $0.80 | 217,309 | D | S |
| 11 Mar, 2026 | Mark Christianson | Common Stock | D | 2,109 | $0.80 | 215,200 | D | S |
| 01 Mar, 2026 | David J. Wambeke | Common Stock | A | 1,000,000 | $0.67 | 1,000,000 | D | P |
| 01 Mar, 2026 | David J. Wambeke | Common Stock | A | 1,000,000 | $0.67 | 1,000,000 | D | P |
| 01 Mar, 2026 | David J. Wambeke | Common Stock | A | 1,000,000 | $0.67 | 1,000,000 | D | P |
| 01 Mar, 2026 | David J. Wambeke | Option to Purchase Common Stock | A | 500,000 | $0.00 | 500,000 | D | A |