Form 4 for MEC Mayville Engineering Company, Inc.
Accepted 2026-03-17 00:00:00 ET · period of report 2026-03-15 · accession 0000897069-26-000713 · 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DM | 2026-03-17 | 2026-03-15 | MEC | Raber Ryan F | EVP - Strategy, Sales, Mktg | M - OptEx | $0.00 | +30.1K | 121.1K | +33% | $0 |
| D | 2026-03-17 | 2026-03-15 | MEC | Raber Ryan F | EVP - Strategy, Sales, Mktg | F - Tax | $16.67 | -14.2K | 107.0K | -12% | -$235.9K |
| D | 2026-03-17 | 2026-03-15 | MEC | Raber Ryan F | EVP - Strategy, Sales, Mktg | A - Grant | $0.00 | +29.2K | 29.2K | New | $0 |
| DM | 2026-03-17 | 2026-03-15 | MEC | Raber Ryan F | EVP - Strategy, Sales, Mktg | M - OptEx | $0.00 | -30.1K | 24.9K | -55% | $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 | 2026-03-15 | M | A | 17,650 | $0.00 | 108,668 | D | — | — | |
| 2 | Common | Common Stock | 2026-03-15 | M | A | 12,452 | $0.00 | 121,120 | D | — | — | |
| 3 | Common | Common Stock | 2026-03-15 | F | D | 14,150 | $16.67 | 106,970 | D | — | — | |
| 4 | Derivative | Restricted Stock Units | 2026-03-15 | A | A | 29,155 | $0.00 | 29,155 | D | $0.00 · — to — | 29,155 Common Stock | (F4) The restricted stock units will vest 1/3 on each of March 15, 2027, 2028 and 2029. |
| 5 | Derivative | Restricted Stock Units | 2026-03-15 | M | D | 17,650 | $0.00 | 17,650 | D | $0.00 · — to — | 17,650 Common Stock | (F2) The restricted stock units will vest 1/3 on each of March 15, 2025, 2026 and 2027. |
| 6 | Derivative | Restricted Stock Units | 2026-03-15 | M | D | 12,452 | $0.00 | 24,901 | D | $0.00 · — to — | 12,452 Common Stock | (F3) The restricted stock units will vest 1/3 on each of March 15, 2026, 2027 and 2028. |