Mayville Engineering Co Inc is involved in a manufacturing partner providing a full suite of manufacturing solutions from concept to production, including design, prototyping and tooling, fabrication, aluminum extrusion, coating, assembly, and aftermarket components. Its customers operate in diverse end markets, including heavy- and medium-duty commercial vehicles, construction, powersports, agriculture, military, and other end markets. Its services comprise stamping, shearing, fiber laser cutting, forming, drilling, tapping, grinding, tube bending, machining, welding, assembly, and logistic services.
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Open-market sale | 5 | 65,079 | $1.98M |
34 Form 4 filings on record, the earliest from Nov 7, 2024, newest first. Filing history page 1 of 2.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Sean P. Leuba - Officer | Open-market sale | Common Stock | 12,855 | $25.44 | $327K | |
| Jagadeesh A. Reddy - Officer | Open-market sale | Common Stock | 15,688 | $35.05 | $550K | |
| Jagadeesh A. Reddy - Officer | Open-market sale | Common Stock | 1,300 | $35.01 | $46K | |
| Jagadeesh A. Reddy - Officer | Open-market sale | Common Stock | 17,294 | $30.00 | $519K | |
| Jagadeesh A. Reddy - Officer | Open-market sale | Common Stock | 17,942 | $30.00 | $538K | |
| Ryan F. Raber - Officer | Open-market sale | Common Stock | 20,000 | $26.00 | $520K | |
| Craig D. Nichols - Officer | Open-market sale | Common Stock | 4,000 | $23.24 | $93K | |
| Sean P. Leuba - Officer | Gift | Common Stock | 1,015 | $0.00 | - | |
| Jagadeesh A. Reddy - Officer | Open-market sale | Common Stock | 10,332 | $25.72 | $266K | |
| Jagadeesh A. Reddy - Officer | Open-market sale | Common Stock | 11,464 | $26.11 | $299K | |
| Tania Wingfield | Option exercise | Common Stock | 5,949 | $0.00 | - | |
| Tania Wingfield | Option exercise | Director Restricted Stock Units | 5,949 | $0.00 | - | |
| Tania Wingfield | Grant or award | Director Restricted Stock Units | 5,959 | $0.00 | - | |
| Grant or award | Director Restricted Stock Units | 5,959 | $0.00 | - | ||
| Jay O. Rothman | Grant or award | Director Deferred Stock Units | 5,959 | $0.00 | - | |
| Option exercise | Common Stock | 10,331 | $0.00 | - | ||
| Option exercise | Director Restricted Stock Units | 10,331 | $0.00 | - | ||
| Grant or award | Director Restricted Stock Units | 5,959 | $0.00 | - | ||
| Jennifer J. Kent | Grant or award | Director Deferred Stock Units | 5,959 | $0.00 | - | |
| Steven L. Fisher | Option exercise | Common Stock | 5,883 | $0.00 | - | |
| Steven L. Fisher | Option exercise | Common Stock | 19,532 | $0.00 | - | |
| Steven L. Fisher | Option exercise | Common Stock | 14,485 | $0.00 | - | |
| Steven L. Fisher | Option exercise | Common Stock | 10,331 | $0.00 | - | |
| Steven L. Fisher | Option exercise | Director Deferred Stock Units | 5,883 | $0.00 | - | |
| Steven L. Fisher | Option exercise | Director Deferred Stock Units | 19,532 | $0.00 | - | |
| Steven L. Fisher | Option exercise | Director Deferred Stock Units | 14,485 | $0.00 | - | |
| Steven L. Fisher | Option exercise | Director Restricted Stock Units | 10,331 | $0.00 | - | |
| Timothy L. Christen | Option exercise | Common Stock | 12,397 | $0.00 | - | |
| Timothy L. Christen | Option exercise | Director Restricted Stock Units | 12,397 | $0.00 | - | |
| Timothy L. Christen | Grant or award | Director Restricted Stock Units | 7,150 | $0.00 | - | |
| Jagadeesh A. Reddy - Officer | Option exercise | Common Stock | 36,317 | $0.00 | - | |
| Jagadeesh A. Reddy - Officer | Option exercise | Common Stock | 27,643 | $0.00 | - | |
| Jagadeesh A. Reddy - Officer | Tax withholding / forfeiture | Common Stock | 30,062 | $16.67 | $501K | |
| Jagadeesh A. Reddy - Officer | Option exercise | Restricted Stock Units | 36,317 | $0.00 | - | |
| Jagadeesh A. Reddy - Officer | Option exercise | Restricted Stock Units | 27,643 | $0.00 | - | |
| Jagadeesh A. Reddy - Officer | Grant or award | Restricted Stock Units | 74,986 | $0.00 | - | |
| Ryan F. Raber - Officer | Option exercise | Common Stock | 17,650 | $0.00 | - | |
| Ryan F. Raber - Officer | Option exercise | Common Stock | 12,452 | $0.00 | - | |
| Ryan F. Raber - Officer | Tax withholding / forfeiture | Common Stock | 14,150 | $16.67 | $236K | |
| Ryan F. Raber - Officer | Option exercise | Restricted Stock Units | 17,650 | $0.00 | - | |
| Ryan F. Raber - Officer | Option exercise | Restricted Stock Units | 12,452 | $0.00 | - | |
| Ryan F. Raber - Officer | Grant or award | Restricted Stock Units | 29,155 | $0.00 | - | |
| Craig D. Nichols - Officer | Option exercise | Common Stock | 5,808 | $0.00 | - | |
| Craig D. Nichols - Officer | Tax withholding / forfeiture | Common Stock | 1,662 | $16.67 | $28K | |
| Craig D. Nichols - Officer | Option exercise | Restricted Stock Units | 5,808 | $0.00 | - | |
| Craig D. Nichols - Officer | Grant or award | Restricted Stock Units | 14,998 | $0.00 | - | |
| Sean P. Leuba - Officer | Option exercise | Common Stock | 7,263 | $0.00 | - | |
| Sean P. Leuba - Officer | Option exercise | Common Stock | 4,646 | $0.00 | - | |
| Sean P. Leuba - Officer | Tax withholding / forfeiture | Common Stock | 5,277 | $16.67 | $88K | |
| Sean P. Leuba - Officer | Option exercise | Restricted Stock Units | 7,263 | $0.00 | - | |
| Sean P. Leuba - Officer | Option exercise | Restricted Stock Units | 4,646 | $0.00 | - | |
| Sean P. Leuba - Officer | Grant or award | Restricted Stock Units | 13,498 | $0.00 | - | |
| Rachele Marie Lehr - Officer | Option exercise | Common Stock | 8,560 | $0.00 | - | |
| Rachele Marie Lehr - Officer | Option exercise | Common Stock | 5,808 | $0.00 | - | |
| Rachele Marie Lehr - Officer | Tax withholding / forfeiture | Common Stock | 4,600 | $16.67 | $77K | |
| Rachele Marie Lehr - Officer | Option exercise | Restricted Stock Units | 8,560 | $0.00 | - | |
| Rachele Marie Lehr - Officer | Option exercise | Restricted Stock Units | 5,808 | $0.00 | - | |
| Rachele Marie Lehr - Officer | Grant or award | Restricted Stock Units | 16,497 | $0.00 | - | |
| Sean P. Leuba - Officer | Open-market sale | Common Stock | 6,698 | $18.81 | $126K | |
| Sean P. Leuba - Officer | Open-market sale | Common Stock | 2,500 | $20.07 | $50K | |
| Ryan F. Raber - Officer | Open-market sale | Common Stock | 12,500 | $16.69 | $209K | |
| Ryan F. Raber - Officer | Open-market sale | Common Stock | 2,500 | $16.63 | $42K | |
| Craig D. Nichols - Officer | Grant or award | Common Stock | 1,134 | $15.95 | $18K | |
| Tania Wingfield | Grant or award | Director Restricted Stock Units | 5,949 | $0.00 | - | |
| Rachele Marie Lehr - Officer | Open-market purchase | Common Stock | 1,400 | $14.08 | $20K | |
| Sean P. Leuba - Officer | Open-market purchase | Common Stock | 500 | $13.56 | $7K | |
| Jagadeesh A. Reddy - Officer | Open-market purchase | Common Stock | 7,500 | $14.06 | $105K | |
| Jagadeesh A. Reddy - Officer | Option exercise | Common Stock | 32,051 | $0.00 | - | |
| Jagadeesh A. Reddy - Officer | Tax withholding / forfeiture | Common Stock | 15,064 | $15.30 | $230K | |
| Jagadeesh A. Reddy - Officer | Option exercise | Restricted Stock Units | 32,051 | $0.00 | - | |
| Allen J. Carlson | Option exercise | Common Stock | 9,026 | $0.00 | - | |
| Allen J. Carlson | Option exercise | Director Restricted Stock Units | 9,026 | $0.00 | - |
A Form 144 is notice of an INTENDED sale, not a completed one. It often precedes the Form 4 that reports the trade actually happening.
| Filed | Filer | Relationship | Shares | Market value | Notice |
|---|---|---|---|---|---|
| Leuba Sean P | Officer | 1,015 | $26K | View on EDGAR | |
| Leuba Sean P | Officer | 11,840 | $309K | View on EDGAR | |
| - | - | - | - | View on EDGAR |
Mayville Engineering Company, Inc. (MEC) had 5 insider filings in the last 90 days, with the most recent on 2026-08-07. The full record for MEC runs to 34 Form 4 filings, the earliest from 2024-11-07. InsiderAlpha tracks every Form 4, Form 144, and 8-K filing in real time.
No insider purchases of MEC were filed in the last 90 days. 7 purchases are on record for this company.
5 insider sales of MEC were filed in the last 90 days, totaling $1.98M.
This page tracks MEC Form 4 insider transactions, Form 144 sale notices, and 8-K material event disclosures in one timeline. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
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Every Form 4 below links to the original document on SEC EDGAR, so the numbers on this page can be checked against the filing they came from.
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