As of May 14, 2026, the three largest insider holders of NMTC are David A Rosa (Ceo And President, 1.08Mn shares), David A Rosa (Ceo And President, 1.08Mn shares), David J. Wambeke (Chief Business Officer, 1.00Mn shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| David A Rosa | Ceo And President | 1,080,132 | 0 | 01 Apr, 2026 |
| David A Rosa | Ceo And President | 1,080,132 | 0 | 01 Apr, 2026 |
| David J. Wambeke | Chief Business Officer | 1,000,000 | 0 | 03 Mar, 2026 |
| David J. Wambeke | Chief Business Officer | 1,000,000 | 0 | 03 Mar, 2026 |
| Ronald W. Mcclurg | Chief Financial Officer | 444,117 | 0 | 07 Apr, 2025 |
| Mark Christianson | Business Development Director | 198,667 | 0 | 01 Apr, 2026 |
| Paul Buckman | - | 178,733 | 0 | 07 Apr, 2026 |
| Jeffrey S Mathiesen | - | 156,343 | 0 | 07 Apr, 2026 |
| Steve Mertens | Chief Technology Officer | 152,141 | 0 | 01 Apr, 2026 |
| Edward Andrle | - | 133,932 | 0 | 07 Apr, 2026 |
| Christopher Volker | Chief Operating Officer | 75,000 | 0 | 26 Dec, 2023 |
| 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 | Jeffrey S Mathiesen | Common Stock | A | 41,929 | $0.00 | 156,343 | D | A |
| 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 | Edward Andrle | 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 |
| 03 Apr, 2026 | Jeffrey S Mathiesen | 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 | David A Rosa | Common Stock | D | 2,458 | $0.78 | 1,080,132 | 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 | Option to Purchase Common Stock | A | 500,000 | $0.00 | 500,000 | D | A |