Form 4 for MEC Mayville Engineering Company, Inc.
Accepted 2026-04-23 17:02:58 ET · period of report 2026-04-21 · accession 0000897069-26-000951 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| D | 2026-04-23 17:02 | 2026-04-21 | MEC | McCormick Robert L | Dir | M - OptEx | $0.00 | +10.3K | 29.1K | +55% | $0 |
| D | 2026-04-23 17:02 | 2026-04-21 | MEC | McCormick Robert L | Dir | M - OptEx | $0.00 | -10.3K | 0 | -100% | $0 |
| D | 2026-04-23 17:02 | 2026-04-21 | MEC | McCormick Robert L | Dir | A - Grant | $0.00 | +5,959 | 5,959 | New | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2026-04-21 | M | A | 10,331 | $0.00 | 29,078 | D | — | — | |
| 2 | Derivative | Director Restricted Stock Units | 2026-04-21 | M | D | 10,331 | $0.00 | 0 | D | $0.00 · — to — | 10,331 Common Stock | (F1) The restricted stock units vested 100% one year from the grant date. (F1) The restricted stock units vested 100% one year from the grant date. |
| 3 | Derivative | Director Restricted Stock Units | 2026-04-21 | A | A | 5,959 | $0.00 | 5,959 | D | $0.00 · — to — | 5,959 Common Stock | (F2) The restricted stock units will vest 100% at the earlier of one year or the next annual shareholder meeting. (F2) The restricted stock units will vest 100% at the earlier of one year or the next annual shareholder meeting. |