MEC · Mayville Engineering Company Inc. Common Stock
View on chartInsiders & Stakes
| Kamphuis Robert D Chairman, Pres. & CEO | ▼ Sell | Tax Withholding | 420,536 Shares held | 2/28/2022 | View profile |
| Butz Todd M Chief Financial Officer | ▼ Sell | Tax Withholding | 173,743 Shares held | 3/15/2025 | View profile |
| Timothy L. Christen Director | ▲ Buy | Option Exercise | 153,804 Shares held | 4/21/2026 | View profile |
| Jagadeesh A. Reddy President & CEO | ▼ Sell | Open Market | 124,105 Shares held | 6/11/2026 | View profile |
| Ryan F. Raber EVP - Strategy, Sales & Mktg | ▼ Sell | Open Market | 86,970 Shares held | 5/26/2026 | View profile |
| Michels Patrick D Director | ▲ Buy | Option Exercise | 81,135 Shares held | 4/18/2023 | View profile |
| Steven L. Fisher Director | ▲ Buy | Option Exercise | 80,713 Shares held | 4/21/2026 | View profile |
| CARLSON ALLEN J Director | ▲ Buy | Option Exercise | 74,882 Shares held | 4/16/2025 | View profile |
| Stille Randall P Chief Operating Officer | ▼ Sell | Tax Withholding | 45,056 Shares held | 2/28/2023 | View profile |
| Rachele Marie Lehr Chief Human Resources Officer | ▼ Sell | Tax Withholding | 30,529 Shares held | 3/15/2026 | View profile |
| Robert L. McCormick President and CEO | ▲ Buy | Option Exercise | 29,078 Shares held | 4/21/2026 | View profile |
| Kent Jennifer J. EVP of Admin. & Gen. Counsel | ▲ Buy | Option Exercise | 24,982 Shares held | 4/16/2025 | View profile |
| Jay O. Rothman Director | ▲ Buy | Option Exercise | 24,721 Shares held | 4/16/2024 | View profile |
| Sean P. Leuba SVP, Corp. Development & GC | ▼ Sell | Open Market | 6,633 Shares held | 8/6/2026 | View profile |
| Tania Wingfield EVP & CHRO | ▲ Buy | Option Exercise | 5,949 Shares held | 4/21/2026 | View profile |
| Craig D. Nichols SVP, Operations & Supply Chain | ▼ Sell | Open Market | 146 Shares held | 5/21/2026 | View profile |
Transaction History
| Sean P. Leuba | ▼ Sell | Open Market | 12,855 | $327K | 8/6/2026 |
| Jagadeesh A. Reddy | ▼ Sell | Open Market | 15,688 | $550K | 6/11/2026 |
| Jagadeesh A. Reddy | ▼ Sell | Open Market | 1,300 | $46K | 6/8/2026 |
| Jagadeesh A. Reddy | ▼ Sell | Open Market | 17,942 | $538K | 6/1/2026 |
| Ryan F. Raber | ▼ Sell | Open Market | 20,000 | $520K | 5/26/2026 |
| Craig D. Nichols | ▼ Sell | Open Market | 4,000 | $93K | 5/21/2026 |
| Sean P. Leuba | ▼ Sell | Gift | 1,015 | $0 | 5/8/2026 |
| Jagadeesh A. Reddy | ▼ Sell | Open Market | 10,332 | $266K | 5/7/2026 |
| Jagadeesh A. Reddy | ▼ Sell | Open Market | 11,464 | $299K | 5/7/2026 |
| Steven L. Fisher | ▲ Buy | Option Exercise | 19,532 | $0 | 4/21/2026 |
| Steven L. Fisher | ▲ Buy | Option Exercise | 14,485 | $0 | 4/21/2026 |
| Steven L. Fisher | ▲ Buy | Option Exercise | 10,331 | $0 | 4/21/2026 |
| Timothy L. Christen | ▲ Buy | Option Exercise | 12,397 | $0 | 4/21/2026 |
| Tania Wingfield | ▲ Buy | Option Exercise | 5,949 | $0 | 4/21/2026 |
| Robert L. McCormick | ▲ Buy | Option Exercise | 10,331 | $0 | 4/21/2026 |
| Steven L. Fisher | ▲ Buy | Option Exercise | 5,883 | $0 | 4/21/2026 |
| Jagadeesh A. Reddy | ▲ Buy | Option Exercise | 27,643 | $0 | 3/15/2026 |
| Jagadeesh A. Reddy | ▲ Buy | Option Exercise | 36,317 | $0 | 3/15/2026 |
| Jagadeesh A. Reddy | ▼ Sell | Tax Withholding | 30,062 | $501K | 3/15/2026 |
| Ryan F. Raber | ▲ Buy | Option Exercise | 17,650 | $0 | 3/15/2026 |
| Ryan F. Raber | ▲ Buy | Option Exercise | 12,452 | $0 | 3/15/2026 |
| Ryan F. Raber | ▼ Sell | Tax Withholding | 14,150 | $236K | 3/15/2026 |
| Craig D. Nichols | ▲ Buy | Option Exercise | 5,808 | $0 | 3/15/2026 |
| Craig D. Nichols | ▼ Sell | Tax Withholding | 1,662 | $28K | 3/15/2026 |
| Sean P. Leuba | ▲ Buy | Option Exercise | 7,263 | $0 | 3/15/2026 |
| Sean P. Leuba | ▲ Buy | Option Exercise | 4,646 | $0 | 3/15/2026 |
| Sean P. Leuba | ▼ Sell | Tax Withholding | 5,277 | $88K | 3/15/2026 |
| Rachele Marie Lehr | ▲ Buy | Option Exercise | 8,560 | $0 | 3/15/2026 |
| Rachele Marie Lehr | ▲ Buy | Option Exercise | 5,808 | $0 | 3/15/2026 |
| Rachele Marie Lehr | ▼ Sell | Tax Withholding | 4,600 | $77K | 3/15/2026 |
| Sean P. Leuba | ▼ Sell | Open Market | 2,500 | $50K | 3/5/2026 |
| Sean P. Leuba | ▼ Sell | Open Market | 6,698 | $126K | 3/5/2026 |
| Steven L. Fisher | ▼ Sell | Open Market | 5,000 | $95K | 12/11/2025 |
| Steven L. Fisher | ▼ Sell | Open Market | 5,000 | $96K | 12/11/2025 |
| Ryan F. Raber | ▼ Sell | Open Market | 12,500 | $209K | 11/25/2025 |
| Ryan F. Raber | ▼ Sell | Open Market | 2,500 | $42K | 11/25/2025 |
| Craig D. Nichols | ▲ Buy | Grant | 1,134 | $18K | 11/6/2025 |
| Sean P. Leuba | ▲ Buy | Open Market | 500 | $7K | 8/11/2025 |
| Rachele Marie Lehr | ▲ Buy | Open Market | 1,400 | $20K | 8/8/2025 |
| Jagadeesh A. Reddy | ▲ Buy | Open Market | 7,500 | $105K | 8/7/2025 |
| Jagadeesh A. Reddy | ▲ Buy | Option Exercise | 32,051 | $0 | 7/19/2025 |
| Jagadeesh A. Reddy | ▼ Sell | Tax Withholding | 15,064 | $230K | 7/19/2025 |
| Robert L. McCormick | ▲ Buy | Option Exercise | 9,026 | $0 | 4/16/2025 |
| Kent Jennifer J. | ▲ Buy | Option Exercise | 9,026 | $0 | 4/16/2025 |
| Steven L. Fisher | ▲ Buy | Option Exercise | 9,026 | $0 | 4/16/2025 |
| Timothy L. Christen | ▲ Buy | Option Exercise | 10,832 | $0 | 4/16/2025 |
| CARLSON ALLEN J | ▲ Buy | Option Exercise | 9,026 | $0 | 4/16/2025 |
| Rachele Marie Lehr | ▲ Buy | Option Exercise | 8,562 | $0 | 3/15/2025 |
| Rachele Marie Lehr | ▼ Sell | Tax Withholding | 2,741 | $39K | 3/15/2025 |
| Sean P. Leuba | ▲ Buy | Option Exercise | 7,264 | $0 | 3/15/2025 |
| Sean P. Leuba | ▼ Sell | Tax Withholding | 3,217 | $46K | 3/15/2025 |
| Jagadeesh A. Reddy | ▲ Buy | Option Exercise | 36,317 | $0 | 3/15/2025 |
| Jagadeesh A. Reddy | ▼ Sell | Tax Withholding | 17,050 | $245K | 3/15/2025 |
| Butz Todd M | ▲ Buy | Option Exercise | 17,614 | $0 | 3/15/2025 |
| Butz Todd M | ▼ Sell | Tax Withholding | 5,637 | $81K | 3/15/2025 |
| Ryan F. Raber | ▲ Buy | Option Exercise | 17,650 | $0 | 3/15/2025 |
| Ryan F. Raber | ▼ Sell | Tax Withholding | 8,276 | $119K | 3/15/2025 |
| Jagadeesh A. Reddy | ▲ Buy | Open Market | 380 | $5K | 3/12/2025 |
| Sean P. Leuba | ▲ Buy | Open Market | 1,000 | $14K | 3/6/2025 |
| Ryan F. Raber | ▼ Sell | Tax Withholding | 6,012 | $90K | 2/28/2025 |
| Rachele Marie Lehr | ▲ Buy | Option Exercise | 8,853 | $0 | 2/28/2025 |
| Rachele Marie Lehr | ▼ Sell | Tax Withholding | 2,834 | $42K | 2/28/2025 |
| Sean P. Leuba | ▲ Buy | Option Exercise | 6,165 | $0 | 2/28/2025 |
| Sean P. Leuba | ▼ Sell | Tax Withholding | 2,731 | $41K | 2/28/2025 |
| Butz Todd M | ▲ Buy | Option Exercise | 11,560 | $0 | 2/28/2025 |
| Butz Todd M | ▼ Sell | Tax Withholding | 3,700 | $55K | 2/28/2025 |
| Jagadeesh A. Reddy | ▲ Buy | Option Exercise | 25,432 | $0 | 2/28/2025 |
| Jagadeesh A. Reddy | ▼ Sell | Tax Withholding | 11,953 | $179K | 2/28/2025 |
| Ryan F. Raber | ▲ Buy | Option Exercise | 12,793 | $0 | 2/28/2025 |
| Sean P. Leuba | ▲ Buy | Option Exercise | 5,783 | $0 | 1/9/2025 |
| Sean P. Leuba | ▼ Sell | Tax Withholding | 2,868 | $43K | 1/9/2025 |
| Jagadeesh A. Reddy | ▲ Buy | Open Market | 5,903 | $99K | 11/7/2024 |
| Sean P. Leuba | ▲ Buy | Open Market | 1,000 | $16K | 11/7/2024 |
| Butz Todd M | ▲ Buy | Open Market | 1,272 | $20K | 11/7/2024 |
| Rachele Marie Lehr | ▲ Buy | Open Market | 1,500 | $24K | 11/7/2024 |
| Ryan F. Raber | ▼ Sell | Open Market | 21,508 | $412K | 8/23/2024 |
| Ryan F. Raber | ▼ Sell | Tax Withholding | 37,471 | $718K | 8/22/2024 |
| Ryan F. Raber | ▲ Buy | Option Exercise | 58,979 | $0 | 8/22/2024 |
| Butz Todd M | ▲ Buy | Option Exercise | 88,029 | $0 | 8/21/2024 |
| Butz Todd M | ▼ Sell | Tax Withholding | 58,719 | $1.1M | 8/21/2024 |
| Jagadeesh A. Reddy | ▼ Sell | Tax Withholding | 15,063 | $279K | 7/19/2024 |
| Jagadeesh A. Reddy | ▲ Buy | Option Exercise | 32,051 | $0 | 7/19/2024 |
| Kent Jennifer J. | ▲ Buy | Option Exercise | 9,721 | $0 | 4/16/2024 |
| CARLSON ALLEN J | ▲ Buy | Option Exercise | 9,721 | $0 | 4/16/2024 |
| Timothy L. Christen | ▲ Buy | Option Exercise | 11,666 | $0 | 4/16/2024 |
| Steven L. Fisher | ▲ Buy | Option Exercise | 9,721 | $0 | 4/16/2024 |
| Jay O. Rothman | ▲ Buy | Option Exercise | 9,721 | $0 | 4/16/2024 |
| Robert L. McCormick | ▲ Buy | Option Exercise | 9,721 | $0 | 4/16/2024 |
| Jagadeesh A. Reddy | ▲ Buy | Open Market | 1,560 | $20K | 3/15/2024 |
| Jagadeesh A. Reddy | ▲ Buy | Option Exercise | 25,432 | $0 | 2/28/2024 |
| Jagadeesh A. Reddy | ▼ Sell | Tax Withholding | 8,138 | $97K | 2/28/2024 |
| Butz Todd M | ▲ Buy | Option Exercise | 29,728 | $0 | 2/28/2024 |
| Butz Todd M | ▼ Sell | Tax Withholding | 9,512 | $114K | 2/28/2024 |
| Ryan F. Raber | ▲ Buy | Option Exercise | 32,899 | $0 | 2/28/2024 |
| Ryan F. Raber | ▼ Sell | Tax Withholding | 10,527 | $126K | 2/28/2024 |
| Sean P. Leuba | ▲ Buy | Option Exercise | 6,166 | $0 | 2/28/2024 |
| Sean P. Leuba | ▼ Sell | Tax Withholding | 1,806 | $22K | 2/28/2024 |
| Rachele Marie Lehr | ▲ Buy | Option Exercise | 8,854 | $0 | 2/28/2024 |
| Rachele Marie Lehr | ▼ Sell | Tax Withholding | 2,833 | $34K | 2/28/2024 |
| Sean P. Leuba | ▲ Buy | Option Exercise | 5,783 | $0 | 1/9/2024 |
| Sean P. Leuba | ▼ Sell | Tax Withholding | 2,000 | $27K | 1/9/2024 |
| Steven L. Fisher | ▲ Buy | Open Market | 3,000 | $38K | 11/17/2023 |
| Steven L. Fisher | ▲ Buy | Open Market | 5,000 | $62K | 11/3/2023 |
| Jagadeesh A. Reddy | ▲ Buy | Option Exercise | 32,052 | $0 | 7/19/2023 |
| Jagadeesh A. Reddy | ▼ Sell | Tax Withholding | 10,256 | $115K | 7/19/2023 |
| Michels Patrick D | ▲ Buy | Option Exercise | 14,485 | $0 | 4/18/2023 |
| Timothy L. Christen | ▲ Buy | Option Exercise | 14,485 | $0 | 4/18/2023 |
| CARLSON ALLEN J | ▲ Buy | Option Exercise | 14,485 | $0 | 4/18/2023 |
| Timothy L. Christen | ▲ Buy | Option Exercise | 2,774 | $0 | 4/18/2023 |
| Ryan F. Raber | ▲ Buy | Option Exercise | 30,814 | $0 | 2/28/2023 |
| Ryan F. Raber | ▼ Sell | Tax Withholding | 9,860 | $158K | 2/28/2023 |
| Butz Todd M | ▲ Buy | Option Exercise | 27,983 | $0 | 2/28/2023 |
| Butz Todd M | ▼ Sell | Tax Withholding | 8,954 | $144K | 2/28/2023 |
| Stille Randall P | ▲ Buy | Option Exercise | 25,472 | $0 | 2/28/2023 |
| Stille Randall P | ▼ Sell | Tax Withholding | 7,284 | $117K | 2/28/2023 |
| Jagadeesh A. Reddy | ▲ Buy | Open Market | 1,600 | $16K | 11/4/2022 |
| Jagadeesh A. Reddy | ▲ Buy | Open Market | 12,017 | $114K | 11/4/2022 |
| Jagadeesh A. Reddy | ▲ Buy | Open Market | 13,454 | $117K | 11/3/2022 |
| Butz Todd M | ▲ Buy | Open Market | 2,000 | $14K | 8/10/2022 |
| Michels Patrick D | ▲ Buy | Option Exercise | 6,235 | $0 | 4/20/2022 |
| Kent Jennifer J. | ▲ Buy | Option Exercise | 6,235 | $0 | 4/20/2022 |
| Steven L. Fisher | ▲ Buy | Option Exercise | 6,235 | $0 | 4/20/2022 |
| CARLSON ALLEN J | ▲ Buy | Option Exercise | 6,235 | $0 | 4/20/2022 |
| Timothy L. Christen | ▲ Buy | Option Exercise | 6,235 | $0 | 4/20/2022 |
| Timothy L. Christen | ▲ Buy | Open Market | 2,000 | $20K | 3/4/2022 |
| Stille Randall P | ▲ Buy | Option Exercise | 18,564 | $0 | 2/28/2022 |
| Stille Randall P | ▼ Sell | Tax Withholding | 5,309 | $55K | 2/28/2022 |
| Ryan F. Raber | ▲ Buy | Option Exercise | 22,470 | $0 | 2/28/2022 |
| Ryan F. Raber | ▼ Sell | Tax Withholding | 7,190 | $74K | 2/28/2022 |
| Kamphuis Robert D | ▲ Buy | Option Exercise | 114,633 | $0 | 2/28/2022 |
| Kamphuis Robert D | ▼ Sell | Tax Withholding | 33,633 | $347K | 2/28/2022 |
| Butz Todd M | ▲ Buy | Option Exercise | 27,371 | $0 | 2/28/2022 |
| Butz Todd M | ▼ Sell | Tax Withholding | 8,758 | $90K | 2/28/2022 |
| Michels Patrick D | ▲ Buy | Open Market | 10,000 | $171K | 11/4/2021 |
AI Market Commentary
AI-generatedAll commentary →Synthesized from recent news and fundamentals/technical data -- not human analyst commentary or trader sentiment.
September 25, 2026
Mayville Engineering (MEC) Shares Drop Amid Market Weakness
Mayville Engineering shares fell sharply, joining several peers that traded lower in recent sessions. The decline was highlighted in a Seeking Alpha piece that described the plunge as unreasonable. The stock now sits near its recent support level of $16.76 and shows a low RSI, indicating limited momentum. High beta suggests the price may continue to react to broader market moves.
Mayville Engineering (MEC) Shares Drop Amid Market Weakness. Mayville Engineering shares fell sharply, joining several peers that traded lower in recent sessions. The decline was highlighted in a Seeking Alpha piece that described the plunge as unreasonable. The stock now sits near its recent support level of $16.76 and shows a low RSI, indicating limited momentum. High beta suggests the price may continue to react to broader market moves.