As of September 09, 2026, the three largest insider holders of MYO are Joseph M. Jr. Manko (Director, 2.31Mn shares), Paul R Gudonis (Chief Executive Officer, 1.43Mn shares), Thomas F Kirk (Director, 772.57K shares).
| # | Insider | Position | Direct | Indirect | Total | Share of Insiders | Last Filed |
|---|---|---|---|---|---|---|---|
| 1 | Joseph M. Jr. Manko | Director | 78,704 | 2,309,775 | 2,388,479 | 39.2% | 26 Jun, 2026 |
| 2 | Paul R Gudonis | Chief Executive Officer | 1,434,679 | 0 | 1,434,679 | 23.6% | 11 Aug, 2026 |
| 3 | Thomas F Kirk | Director | 772,569 | 0 | 772,569 | 12.7% | 26 Jun, 2026 |
| 4 | David A Henry | Chief Financial Officer | 470,163 | 0 | 470,163 | 7.7% | 11 Aug, 2026 |
| 5 | Heather C Getz | Director | 210,458 | 0 | 210,458 | 3.5% | 26 Jun, 2026 |
| 6 | Milton Mayo Morris | Director | 208,391 | 0 | 208,391 | 3.4% | 04 Sep, 2026 |
| 7 | Thomas Aloysius Jr. Crowley | Director | 154,452 | 0 | 154,452 | 2.5% | 26 Jun, 2026 |
| 8 | Micah Mitchell | Chief Commercial Officer | 130,738 | 0 | 130,738 | 2.1% | 11 Aug, 2026 |
| 9 | William J Febbo | Director | 123,704 | 0 | 123,704 | 2.0% | 26 Jun, 2026 |
| 10 | Harry Kovelman | Chief Medical Officer | 105,733 | 0 | 105,733 | 1.7% | 24 Aug, 2026 |
| 11 | Amy K. Knapp | Director | 91,645 | 0 | 91,645 | 1.5% | 07 Jun, 2024 |
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 |
|---|---|---|---|---|---|---|---|---|
| 02 Sep, 2026 | Milton Mayo Morris | Director | Disposed S | 15,000 | $1.41 | $21.15K | 208,391 | Direct |
| 20 Aug, 2026 | Harry Kovelman | Chief Medical Officer | Disposed S | 17,500 | $1.73 | $30.33K | 105,733 | Direct |
| 20 Aug, 2026 | Harry Kovelman | Chief Medical Officer | Disposed S | 17,250 | $1.73 | $29.90K | 105,983 | Direct |
| 07 Aug, 2026 | Micah Mitchell | Chief Commercial Officer | Acquired A | 58,409 | $0.00 | $0 | 152,297 | Direct |
| 07 Aug, 2026 | David A Henry | Chief Financial Officer | Acquired A | 68,644 | $0.00 | $0 | 495,473 | Direct |
| 07 Aug, 2026 | Harry Kovelman | Chief Medical Officer | Acquired A | 55,149 | $0.00 | $0 | 145,690 | Direct |
| 07 Aug, 2026 | Harry Kovelman | Chief Medical Officer | Disposed F | 22,457 | $1.42 | $31.89K | 123,233 | Direct |
| 07 Aug, 2026 | Micah Mitchell | Chief Commercial Officer | Disposed F | 21,559 | $1.42 | $30.61K | 130,738 | Direct |
| 07 Aug, 2026 | David A Henry | Chief Financial Officer | Disposed F | 25,310 | $1.42 | $35.94K | 470,163 | Direct |
| 10 Jul, 2026 | Paul R Gudonis | Chief Executive Officer | Acquired A | 10,454 | $0.00 | $0 | 1,287,770 | Direct |
| 10 Jul, 2026 | David A Henry | Chief Financial Officer | Acquired A | 7,840 | $0.00 | $0 | 431,995 | Direct |
| 13 Jul, 2026 | David A Henry | Chief Financial Officer | Disposed F | 5,166 | $1.09 | $5.63K | 426,829 | Direct |
| 25 Jun, 2026 | Joseph M. Jr. Manko | Director | Acquired A | 78,704 | $0.00 | $0 | 78,704 | Direct |
| 25 Jun, 2026 | Heather C Getz | Director | Acquired A | 78,704 | $0.00 | $0 | 210,458 | Direct |
| 25 Jun, 2026 | Thomas Aloysius Jr. Crowley | Director | Acquired A | 78,704 | $0.00 | $0 | 154,452 | Direct |
| 25 Jun, 2026 | Milton Mayo Morris | Director | Acquired A | 78,704 | $0.00 | $0 | 223,391 | Direct |
| 25 Jun, 2026 | Thomas F Kirk | Director | Acquired A | 78,704 | $0.00 | $0 | 772,569 | Direct |
| 12 Jun, 2026 | Micah Mitchell | Chief Commercial Officer | Disposed F | 9,061 | $1.20 | $10.87K | 93,888 | Direct |
| 12 Jun, 2026 | Harry Kovelman | Chief Medical Officer | Disposed F | 10,442 | $1.20 | $12.53K | 90,541 | Direct |
| 12 Jun, 2026 | David A Henry | Chief Financial Officer | Disposed F | 10,969 | $0.00 | $0 | 424,155 | Direct |