Based on data from the past 90 days ending February 19, 2026, Mayville Engineering Company's three largest insider shareholders are Chairman And Pres. & Ceo Robert D Kamphuis (420.54K shares), Chief Financial Officer Todd M Butz (214.74K shares), President & Ceo Jagadeesh A Reddy (146.66K shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Robert D Kamphuis | Chairman And Pres. & Ceo | 420,536 | 02 Mar, 2022 |
| Todd M Butz | Chief Financial Officer | 214,741 | 18 Mar, 2025 |
| Jagadeesh A Reddy | President & Ceo | 146,665 | 08 Aug, 2025 |
| Timothy L Christen | 141,407 | 18 Apr, 2025 | |
| Ryan F Raber | Evp Strategy And Sales & Mktg | 91,018 | 26 Nov, 2025 |
| Patrick D Michels | 81,135 | 20 Apr, 2023 | |
| Allen J Carlson | 74,882 | 18 Apr, 2025 | |
| Randall P Stille | Chief Operating Officer | 45,056 | 02 Mar, 2023 |
| Steven L Fisher | 30,482 | 15 Dec, 2025 | |
| Jennifer J. Kent | 24,982 | 18 Apr, 2025 | |
| Jay O. Rothman | 24,721 | 17 Apr, 2024 | |
| Sean P Leuba | Svp And Corp. Development & Gc | 21,039 | 18 Mar, 2025 |
| Rachele Marie Lehr | Chief Financial Officer | 20,761 | 11 Aug, 2025 |
| Robert L Mccormick | 18,747 | 18 Apr, 2025 | |
| Craig D Nichols | Svp And Operations & Supply Chain | 1,134 | 07 Nov, 2025 |
* 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 |
|---|---|---|---|---|---|---|---|---|
| 11 Dec, 2025 | Steven L Fisher | Common Stock | D | 5,000 | $19.14 | 30,482 | D | S |
| 11 Dec, 2025 | Steven L Fisher | Common Stock | D | 5,000 | $19.08 | 35,482 | D | S |
| 25 Nov, 2025 | Ryan F Raber | Common Stock | D | 12,500 | $16.69 | 93,518 | D | S |
| 25 Nov, 2025 | Ryan F Raber | Common Stock | D | 2,500 | $16.62 | 91,018 | D | S |
| 06 Nov, 2025 | Craig D Nichols | Common Stock | A | 1,134 | $15.95 | 1,134 | I | A |
| 11 Aug, 2025 | Sean P Leuba | Common Stock | A | 500 | $13.56 | 2,500 | I | P |
| 11 Aug, 2025 | Sean P Leuba | - | - | 2,500 | I | |||
| 08 Aug, 2025 | Rachele Marie Lehr | - | - | 20,761 | D | |||
| 08 Aug, 2025 | Rachele Marie Lehr | Common Stock | A | 1,400 | $14.08 | 20,761 | D | P |
| 07 Aug, 2025 | Jagadeesh A Reddy | Common Stock | A | 7,500 | $14.06 | 146,285 | D | P |
| 19 Jul, 2025 | Jagadeesh A Reddy | - | - | 153,849 | D | |||
| 19 Jul, 2025 | Jagadeesh A Reddy | Common Stock | D | 15,064 | $15.30 | 138,785 | D | F |
| 19 Jul, 2025 | Jagadeesh A Reddy | - | - | 138,785 | D | |||
| 19 Jul, 2025 | Jagadeesh A Reddy | Common Stock | A | 32,051 | $0.00 | 153,849 | D | M |
| 16 Apr, 2025 | Allen J Carlson | Common Stock | A | 9,026 | $0.00 | 74,882 | D | M |
| 16 Apr, 2025 | Steven L Fisher | Common Stock | A | 9,026 | $0.00 | 40,482 | D | M |
| 16 Apr, 2025 | Robert L Mccormick | Common Stock | A | 9,026 | $0.00 | 18,747 | D | M |
| 16 Apr, 2025 | Jennifer J. Kent | - | - | 24,982 | D | |||
| 16 Apr, 2025 | Jennifer J. Kent | Common Stock | A | 9,026 | $0.00 | 24,982 | D | M |
| 16 Apr, 2025 | Timothy L Christen | Common Stock | A | 10,832 | $0.00 | 141,407 | D | M |