SEC Form 4/A · accession 0000897069-26-001316
Mayville Engineering Company, Inc. · MEC
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
This is an amendment (Form 4/A). It replaces an earlier filing for the same period.
Reporting owner
Jagadeesh A Reddy
Officer — President & CEO · Director
Period of report
Jun 1, 2026
Accepted (ET)
Jun 3, 2026 · 5:10 pm EDT
Rule 10b5-1 plan
yes — trade under a plan
Issuer CIK
0001766368
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common StockF2,F3 | Jun 1, 2026 | S | 17,294 | $30.0001 | D | 141,093 | D | |
| Common StockF4 | holding | — | — | — | 2,300 | I | by ESOP and/or 401(k) Plan | |
| Common Stock | holding | — | — | — | 380 | I | By Daughter |
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Restricted Stock UnitsF5 | $0.00 | holding | — | — | — | — | — | Common Shares | 36,317 | 36,317 | D |
| Restricted Stock UnitsF6 | $0.00 | holding | — | — | — | — | — | Common Shares | 55,284 | 55,284 | D |
| Restricted Stock UnitsF7 | $0.00 | holding | — | — | — | — | — | Common Shares | 74,986 | 74,986 | D |
| Stock Option (right to buy)F8 | $16.22 | holding | — | — | — | — | — | Common Shares | 88,901 | 88,901 | D |
Explanation of responses
- F1The reported transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 12, 2025.
- F2The Form 4 filed on June 2, 2026 reported the sale of 17,942 shares on June 1, 2026. This amended Form 4 is being filed to report that the reporting person actually sold 17,294 shares on June 1, 2026 and to correct the number of shares beneficially owned following the reported transaction.
- F3The price in Column 4 is a weighted average price. The prices actually received ranged from $30.00 to $30.01. 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.
- F4Reflects the most recent ESOP and 401(k) balance.
- F5The restricted stock units will vest 1/3 on each of March 15, 2025, 2026 and 2027.
- F6The restricted stock units will vest 1/3 on each of March 15, 2026, 2027 and 2028.
- F7The restricted stock units will vest 1/3 on each of March 15, 2027, 2028 and 2029.
- F8The options will vest 50% on each of February 28, 2024 and February 28, 2025.