InsiderTrades

Form 4 for MEC Mayville Engineering Company, Inc.

Accepted 2026-04-23 17:09:50 ET · period of report 2026-04-21 · accession 0000897069-26-000957 · 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 17:09 2026-04-21 MEC Wingfield Tania Dir M - OptEx $0.00 +5,949 5,949 New $0
D 2026-04-23 17:09 2026-04-21 MEC Wingfield Tania Dir M - OptEx $0.00 -5,949 0 -100% $0
D 2026-04-23 17:09 2026-04-21 MEC Wingfield Tania Dir A - Grant $0.00 +5,959 5,959 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 5,949 $0.00 5,949 D — —
2 Derivative Director Restricted Stock Units 2026-04-21 M D 5,949 $0.00 0 D $0.00 · — to — 5,949 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.