Rachele M. Lehr - Mar 15, 2025 Form 4 Insider Report for Mayville Engineering Company, Inc. (MEC)

Signature
/s/ Russell E. Ryba, Attorney-in-Fact for Rachele M. Lehr
Stock symbol
MEC
Transactions as of
Mar 15, 2025
Transactions value $
-$39,333
Form type
4
Date filed
3/18/2025, 05:41 PM
Previous filing
Mar 4, 2025

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction MEC Common Stock Options Exercise $0 +8.56K +63.23% $0.00 22.1K Mar 15, 2025 Direct
transaction MEC Common Stock Tax liability -$39.3K -2.74K -12.4% $14.35 19.4K Mar 15, 2025 Direct

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction MEC Restricted Stock Units Options Exercise $0 -8.56K -33.34% $0.00 17.1K Mar 15, 2025 Common Stock 8.56K $0.00 Direct F1
transaction MEC Restricted Stock Units Award $0 +17.4K $0.00 17.4K Mar 15, 2025 Common Stock 17.4K $0.00 Direct F2
holding MEC Stock Option (right to buy) 24.8K Mar 15, 2025 Common Stock 24.8K $14.12 Direct F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The restricted stock units will vest 1/3 on each of March 15, 2025, 2026 and 2027.
F2 The restricted stock units will vest 1/3 on each of March 15, 2026, 2027 and 2028.
F3 The options will vest 50% on each of February 28, 2024 and February 28, 2025.