SEC Form 4 · accession 0000897069-26-001598
Mayville Engineering Company, Inc. · MEC
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Sean P Leuba
Officer — SVP, GC & Secretary
Period of report
Aug 6, 2026
Accepted (ET)
Aug 7, 2026 · 4:56 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0001766368
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common StockF1 | Aug 6, 2026 | S | 12,855 | $25.44 | D | 6,633 | D |
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Restricted Stock UnitsF2 | $0.00 | holding | — | — | — | — | — | Common Stock | 7,263 | 7,263 | D |
| Restricted Stock UnitsF3 | $0.00 | holding | — | — | — | — | — | Common Stock | 9,292 | 9,292 | D |
| Restricted Stock UnitsF4 | $0.00 | holding | — | — | — | — | — | Common Stock | 13,498 | 13,498 | D |
| Stock Option (right to buy)F5 | $16.22 | holding | — | — | — | — | Feb 28, 2033 | Common Stock | 21,552 | 21,552 | D |
Explanation of responses
- F1The price in Column 4 is a weighted average price. The prices actually received ranged from $25.26 to $25.46. The reporting person has provided to the issuer, and will provide to any security holder of the issuer, or the SEC staff, upon request, information regarding the number of shares sold at each price within the range for all transactions reported in this Form 4 utilizing a weighted average price.
- F2The restricted stock units will vest 1/3 on each of March 15, 2025, 2026 and 2027.
- F3The restricted stock units will vest 1/3 on each of March 15, 2026, 2027 and 2028.
- F4The restricted stock units will vest 1/3 on each of March 15, 2027, 2028 and 2029.
- F5The options will vest 50% on each of February 28, 2024 and February 28, 2025.