InsiderTrades

Form 4 for MEC Mayville Engineering Company, Inc.

Accepted 2026-04-23 16:56:36 ET · period of report 2026-04-21 · accession 0000897069-26-000945 · 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 16:56 2026-04-21 MEC Christen Timothy L Dir M - OptEx $0.00 +12.4K 153.8K +9% $0
D 2026-04-23 16:56 2026-04-21 MEC Christen Timothy L Dir M - OptEx $0.00 -12.4K 0 -100% $0
D 2026-04-23 16:56 2026-04-21 MEC Christen Timothy L Dir A - Grant $0.00 +7,150 7,150 New $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-04-21 M A 12,397 $0.00 153,804 D — —
2 Derivative Director Restricted Stock Units 2026-04-21 M D 12,397 $0.00 0 D $0.00 · — to — 12,397 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 7,150 $0.00 7,150 D $0.00 · — to — 7,150 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.