Updated Jul 16, 2026 · Last SEC filing 2026-06-12
Mayville Engineering Company, Inc. (MEC) has filed 15 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-06-12. 3 Form 8-K material event filings were reported by MEC in the last 90 days. 4 Form 144 notices of proposed sale were filed for MEC stock. InsiderAlpha tracks every MEC SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.
| SEC CIK | 0001766368 |
|---|
| Form 4 filings (90d) | 15 |
|---|---|
| Form 8-K filings (90d) | 3 |
| Form 144 notices (90d) | 4 |
| Latest Form 4 filing | 2026-06-12 |
| Date | Insider | Role | Transaction | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Reddy Jagadeesh A | President & CEO | S — Open-market sale | 15.7K | $35.05 | $550K | SEC | |
| Reddy Jagadeesh A | President & CEO | S — Open-market sale | 1.3K | $35.01 | $46K | SEC | |
| Reddy Jagadeesh A | President & CEO | S — Open-market sale | 17.9K | $30.00 | $538K | SEC | |
| Reddy Jagadeesh A | President & CEO | S — Open-market sale | 17.3K | $30.00 | $519K | SEC | |
| Raber Ryan F | EVP - Strategy, Sales & Mktg | S — Open-market sale | 20.0K | $26.00 | $520K | SEC | |
| Nichols Craig D | SVP, Operations & Supply Chain | S — Open-market sale | 4.0K | $23.24 | $93K | SEC | |
| Leuba Sean P | SVP, GC & Secretary | G — Bona-fide gift | 1.0K | $0.00 | — | SEC | |
| Reddy Jagadeesh A | President & CEO | S — Open-market sale | 11.5K | $26.11 | $299K | SEC | |
| Reddy Jagadeesh A | President & CEO | S — Open-market sale | 10.3K | $25.72 | $266K | SEC | |
| Fisher Steven L | Insider | M — Option exercise | 14.5K | $0.00 | — | SEC | |
| Fisher Steven L | Insider | M — Option exercise | 19.5K | $0.00 | — | SEC | |
| Fisher Steven L | Insider | M — Option exercise | 10.3K | $0.00 | — | SEC | |
| McCormick Robert L | Insider | M — Option exercise | 10.3K | $0.00 | — | SEC | |
| Wingfield Tania | Insider | M — Option exercise | 5.9K | $0.00 | — | SEC | |
| Fisher Steven L | Insider | M — Option exercise | 5.9K | $0.00 | — | SEC |
All transactions sourced from SEC EDGAR Form 4 filings for Mayville Engineering Company, Inc. (MEC). Updated in real time as new filings are submitted to the SEC.
| Insider | Form 4 filings | Total transaction value |
|---|---|---|
| Fisher Steven L | 8 | — |
| Reddy Jagadeesh A | 6 | $2.22M |
| Christen Timothy L | 3 | — |
| Wingfield Tania | 3 | — |
| McCormick Robert L | 3 | — |
Form 144 must be filed before insiders sell restricted or control stock above SEC thresholds. A cluster of Form 144 notices often precedes a wave of insider distribution.
SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in MEC insider filings:
| P | Open-market purchase by the insider |
|---|---|
| S | Open-market sale by the insider |
| A | Grant, award, or other acquisition from the issuer |
| M | Exercise or conversion of derivative security (e.g. options) |
| F | Payment of exercise price or tax liability via share withholding |
| G | Bona-fide gift of securities |
| D | Disposition to the issuer (e.g. share buyback participation) |
| J | Other acquisition or disposition |
| X | Exercise of in-the-money or at-the-money derivative security |
| C | Conversion of derivative security |
| V | Transaction voluntarily reported earlier than required |
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