M-tron Industries's three largest insider shareholders as of March 23, 2026 are Madonna Educational Foundation Inc. Emg (Other, 40.10K shares), Linda M Biles (Evp Finance, 27.96K shares), James William Tivy (Chief Financial Officer, 25.00K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Mario J Gabelli | 0 | 171,200 | 10 Sep, 2024 | |
| Mario J Gabelli | 110,171 | 0 | 20 Nov, 2024 | |
| Marc Gabelli | 0 | 68,321 | 28 Nov, 2023 | |
| Marc Gabelli | 42,564 | 0 | 23 Mar, 2026 | |
| James William Tivy | Chief Financial Officer | 25,004 | 0 | 20 Nov, 2023 |
| Cameron Pforr | Ceo And Cfo | 22,000 | 0 | 30 Dec, 2025 |
| Hendi Susanto | 7,629 | 0 | 23 Mar, 2026 | |
| Bel Lazar | 6,845 | 0 | 23 Mar, 2026 | |
| John S Mega | 5,586 | 0 | 23 Mar, 2026 | |
| Robert V Jr Lapenta | 4,509 | 0 | 23 Mar, 2026 | |
| David M Goldman | 2,599 | 0 | 23 Mar, 2026 | |
| Ivan Arteaga | 1,115 | 0 | 23 Mar, 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 |
|---|---|---|---|---|---|---|---|---|
| 19 Mar, 2026 | Bel Lazar | Common Stock | A | 242 | $0.00 | 6,845 | D | A |
| 19 Mar, 2026 | Ivan Arteaga | Common Stock | A | 242 | $0.00 | 1,115 | D | A |
| 19 Mar, 2026 | Robert V Jr Lapenta | Common Stock | A | 242 | $0.00 | 4,509 | D | A |
| 19 Mar, 2026 | Marc Gabelli | Common Stock | A | 242 | $0.00 | 42,564 | D | A |
| 19 Mar, 2026 | John S Mega | Common Stock | A | 242 | $0.00 | 5,586 | D | A |
| 19 Mar, 2026 | Hendi Susanto | Common Stock | A | 242 | $0.00 | 7,629 | D | A |
| 19 Mar, 2026 | David M Goldman | Common Stock | A | 242 | $0.00 | 2,599 | D | A |
| 06 Jan, 2026 | Ivan Arteaga | Common Stock | A | 35 | $47.50 | 873 | D | X |
| 06 Jan, 2026 | Ivan Arteaga | Common Stock Warrants (right to purchase) | A | 360 | $0.00 | 4 | D | X |
| 23 Dec, 2025 | David M Goldman | Common Stock | A | 325 | $47.50 | 2,357 | D | X |
| 23 Dec, 2025 | David M Goldman | Common Stock Warrants (right to purchase) | A | 1,625 | $0.00 | 5 | D | X |
| 23 Dec, 2025 | Hendi Susanto | Common Stock | A | 892 | $47.50 | 7,387 | D | X |
| 23 Dec, 2025 | Hendi Susanto | Common Stock Warrants (right to purchase) | A | 4,460 | $0.00 | 1,633 | D | X |
| 19 Dec, 2025 | Ivan Arteaga | Common Stock | A | 72 | $47.50 | 838 | D | X |
| 22 Dec, 2025 | Cameron Pforr | Common Stock | A | 2,000 | $47.50 | 22,000 | D | X |
| 19 Dec, 2025 | Ivan Arteaga | Common Stock Warrants (right to purchase) | A | 360 | $0.00 | 4 | D | X |
| 22 Dec, 2025 | Cameron Pforr | Common Stock Warrants (right to purchase) | A | 10,000 | $0.00 | 10,000 | D | X |
| 18 Dec, 2025 | Bel Lazar | Common Stock | A | 1,000 | $47.50 | 6,603 | D | X |
| 04 Dec, 2025 | Robert V Jr Lapenta | Common Stock | A | 306 | $47.50 | 4,267 | D | X |
| 04 Dec, 2025 | Robert V Jr Lapenta | Common Stock Warrants (right to purchase) | D | 1,530 | $0.00 | 2,779 | D | X |