As of April 25, 2026, M-tron Industries's top three insider holders are Mario J Gabelli (TenPercentOwner, 198.00K shares), Mario J Gabelli (TenPercentOwner, 171.20K shares), Mario J Gabelli (TenPercentOwner, 110.17K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Mario J Gabelli | - | 0 | 198,000 | 04 Jan, 2024 |
| 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 |
| Madonna Educational Foundation Inc. Emg | - | 40,097 | 0 | 12 Jan, 2024 |
| Linda M Biles | Executive Vp Finance | 28,682 | 0 | 15 Apr, 2026 |
| Cameron Pforr | Ceo And Cfo | 27,746 | 0 | 23 Apr, 2026 |
| Cameron Pforr | Ceo And Cfo | 27,646 | 0 | 07 Apr, 2026 |
| Cameron Pforr | Ceo And Cfo | 27,646 | 0 | 07 Apr, 2026 |
| James William Tivy | Chief Financial Officer | 25,004 | 0 | 20 Nov, 2023 |
| James William Tivy | Chief Financial Officer | 25,004 | 0 | 20 Nov, 2023 |
| James William Tivy | Chief Financial Officer | 25,004 | 0 | 20 Nov, 2023 |
| James William Tivy | Chief Financial Officer | 25,004 | 0 | 20 Nov, 2023 |
| Cameron Pforr | Ceo And Cfo | 22,000 | 0 | 30 Dec, 2025 |
| Michael J Jr Ferrantino | Chief Executive Officer | 19,611 | 0 | 13 Dec, 2023 |
| William Arnold Drafts | President | 14,177 | 0 | 07 Apr, 2026 |
| William Arnold Drafts | President | 11,008 | 0 | 27 Jun, 2025 |
| Hendi Susanto | - | 9,154 | 0 | 23 Apr, 2026 |
| Bel Lazar | - | 6,845 | 0 | 23 Mar, 2026 |
| John S Mega | - | 5,586 | 0 | 23 Mar, 2026 |
| John S Mega | - | 5,586 | 0 | 23 Mar, 2026 |
| John S Mega | - | 5,586 | 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 |
|---|---|---|---|---|---|---|---|---|
| 14 Apr, 2026 | Hendi Susanto | Common Stock | A | 454 | $59.00 | 8,083 | D | X |
| 07 Apr, 2026 | Cameron Pforr | Common Stock | A | 100 | $59.00 | 27,746 | D | X |
| 07 Apr, 2026 | Cameron Pforr | Common Stock | A | 100 | $59.00 | 27,746 | D | X |
| 14 Apr, 2026 | Hendi Susanto | Common Stock | A | 454 | $59.00 | 8,083 | D | X |
| 20 Apr, 2026 | Hendi Susanto | Common Stock | A | 1,071 | $59.00 | 9,154 | D | X |
| 20 Apr, 2026 | Hendi Susanto | Common Stock | A | 1,071 | $59.00 | 9,154 | D | X |
| 07 Apr, 2026 | Cameron Pforr | Subscription Rights (right to purchase) | A | 500 | $0.00 | 21,500 | D | X |
| 14 Apr, 2026 | Hendi Susanto | Subscription Rights (right to purchase) | A | 2,274 | $0.00 | 5,355 | D | X |
| 07 Apr, 2026 | Cameron Pforr | Subscription Rights (right to purchase) | A | 500 | $0.00 | 21,500 | D | X |
| 14 Apr, 2026 | Hendi Susanto | Subscription Rights (right to purchase) | A | 2,274 | $0.00 | 5,355 | D | X |
| 20 Apr, 2026 | Hendi Susanto | Subscription Rights (right to purchase) | A | 5,355 | $0.00 | 0 | D | X |
| 07 Apr, 2026 | Cameron Pforr | Subscription Rights (right to purchase) | A | 21,500 | $0.00 | 0 | D | S |
| 07 Apr, 2026 | Cameron Pforr | Subscription Rights (right to purchase) | A | 21,500 | $0.00 | 0 | D | S |
| 20 Apr, 2026 | Hendi Susanto | Subscription Rights (right to purchase) | A | 5,355 | $0.00 | 0 | D | X |
| 14 Apr, 2026 | Linda M Biles | Common Stock | D | 720 | $0.00 | 28,682 | D | S |
| 14 Apr, 2026 | Linda M Biles | Subscription Rights (right to purchase) | D | 2,700 | $0.00 | 24,643 | D | S |
| 02 Apr, 2026 | Cameron Pforr | Common Stock | A | 5,646 | $0.00 | 27,646 | D | A |
| 02 Apr, 2026 | Cameron Pforr | Common Stock | A | 5,646 | $0.00 | 27,646 | D | A |
| 02 Apr, 2026 | William Arnold Drafts | Common Stock | A | 2,428 | $0.00 | 14,177 | D | A |
| 19 Mar, 2026 | Hendi Susanto | Common Stock | A | 242 | $0.00 | 7,629 | D | A |