As of April 22, 2026, the three largest insider holders of THR are Bruce Thames (President Ceo, 360.48K shares), Der Salm Johannes Rene Van (Svp Global Operations, 131.15K shares), David Buntin (Svp, Thermon Heat Tracing, 68.30K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Bruce Thames | President Ceo | 360,483 | 0 | 13 Nov, 2025 |
| Der Salm Johannes Rene Van | Svp Global Operations | 131,146 | 0 | 01 Jul, 2021 |
| David Buntin | Svp, Thermon Heat Tracing | 68,304 | 0 | 13 Nov, 2025 |
| Mark John Roberts | Svp, Global Engineering | 62,179 | 0 | 03 Jun, 2025 |
| John T Iii Nesser | - | 57,315 | 0 | 03 Jun, 2024 |
| Thomas N Cerovski | Svp, Global Sales | 54,057 | 0 | 03 Jun, 2025 |
| Marcus J George | - | 52,639 | 0 | 02 Apr, 2026 |
| Tarkington Ryan | Svp, General Counsel | 42,898 | 0 | 03 Jun, 2025 |
| John U Clarke | - | 41,570 | 0 | 02 Apr, 2026 |
| Kevin J Mcginty | - | 38,109 | 0 | 04 Jun, 2024 |
| Kevin Fox | Svp Chief Financial Officer | 37,479 | 0 | 06 Feb, 2024 |
| Roger L Fix | - | 35,375 | 0 | 02 Apr, 2026 |
| Linda Dalgetty | - | 34,584 | 0 | 02 Apr, 2026 |
| Kuahara Roberto | Svp, Operations | 33,050 | 0 | 03 Feb, 2026 |
| Candace Harris-Peterson | Vp, Human Resources | 31,289 | 0 | 03 Jun, 2025 |
| Jan L Schott | Svp, Cfo | 21,728 | 0 | 03 Nov, 2025 |
| Angela Strzelecki | - | 13,643 | 0 | 02 Apr, 2026 |
| Thomas Gregory Lucas | Vp, Cao | 8,625 | 0 | 16 Jun, 2025 |
| Victor L Jr Richey | - | 8,052 | 0 | 02 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 |
|---|---|---|---|---|---|---|---|---|
| 01 Apr, 2026 | John U Clarke | Common Stock | A | 531 | $51.78 | 41,570 | D | A |
| 01 Apr, 2026 | Victor L Jr Richey | Common Stock | A | 531 | $51.78 | 8,052 | D | A |
| 01 Apr, 2026 | Roger L Fix | Common Stock | A | 531 | $51.78 | 35,375 | D | A |
| 01 Apr, 2026 | Linda Dalgetty | Common Stock | A | 531 | $51.78 | 34,584 | D | A |
| 01 Apr, 2026 | Marcus J George | Common Stock | A | 531 | $51.78 | 52,639 | D | A |
| 01 Apr, 2026 | Angela Strzelecki | Common Stock | A | 531 | $51.78 | 13,643 | D | A |
| 31 Jan, 2026 | Kuahara Roberto | Common Stock | D | 3,986 | $45.25 | 33,050 | D | F |
| 01 Jan, 2026 | Linda Dalgetty | Common Stock | A | 740 | $37.16 | 34,053 | D | A |
| 01 Jan, 2026 | Victor L Jr Richey | Common Stock | A | 740 | $37.16 | 7,521 | D | A |
| 01 Jan, 2026 | Marcus J George | Common Stock | A | 740 | $37.16 | 52,108 | D | A |
| 01 Jan, 2026 | Angela Strzelecki | Common Stock | A | 740 | $37.16 | 13,112 | D | A |
| 01 Jan, 2026 | Roger L Fix | Common Stock | A | 740 | $37.16 | 34,844 | D | A |
| 01 Jan, 2026 | John U Clarke | Common Stock | A | 740 | $37.16 | 41,039 | D | A |
| 12 Nov, 2025 | David Buntin | Common Stock | D | 1,419 | $35.58 | 68,304 | D | G |
| 12 Nov, 2025 | Bruce Thames | Common Stock | D | 1,440 | $35.58 | 360,483 | D | G |
| 01 Nov, 2025 | Jan L Schott | Common Stock | D | 1,382 | $28.73 | 21,728 | D | F |
| 01 Oct, 2025 | Angela Strzelecki | Common Stock | A | 1,008 | $27.28 | 12,372 | D | A |
| 01 Oct, 2025 | Victor L Jr Richey | Common Stock | A | 1,008 | $27.28 | 6,781 | D | A |
| 01 Oct, 2025 | Linda Dalgetty | Common Stock | A | 1,008 | $27.28 | 33,313 | D | A |
| 01 Oct, 2025 | John U Clarke | Common Stock | A | 1,008 | $27.28 | 40,299 | D | A |