InsiderTrades

Form 4 for MEC Mayville Engineering Company, Inc.

Accepted 2026-03-09 00:00:00 ET · period of report 2026-03-05 · accession 0000897069-26-000626 · 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
2026-03-09 2026-03-05 MEC Leuba Sean P GC, Sec S - Sale $18.81 -6,698 11.8K -36% -$126.0K
I 2026-03-09 2026-03-05 MEC Leuba Sean P GC, Sec S - Sale $20.07 -2,500 0 -100% -$50.2K

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-03-05 S D 6,698 $18.81 11,841 D — —
2 Common Common Stock 2026-03-05 S D 2,500 $20.07 0 I by ESOP and/or 401(k) Plan — — (F1) Reflects the most recent ESOP and 401(k) balance.