Sean P. Leuba - 09 Jan 2025 Form 4 Insider Report for Mayville Engineering Company, Inc. (MEC)

Signature
/s/ Russell E. Ryba, Attorney-in-Fact for Sean P. Leuba
Issuer symbol
MEC
Transactions as of
09 Jan 2025
Net transactions value
-$43,020
Form type
4
Filing time
10 Jan 2025, 16:50:29 UTC
Previous filing
07 Nov 2024
Next filing
04 Mar 2025

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction MEC Common Stock Options Exercise $0 +5,783 +71% $0.000000 13,926 09 Jan 2025 Direct
transaction MEC Common Stock Tax liability $43,020 -2,868 -21% $15.00 11,058 09 Jan 2025 Direct
holding MEC Common Stock 1,000 09 Jan 2025 by ESOP and/or 401(k) Plan F1

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 -5,783 -100% $0.000000 0 09 Jan 2025 Common Stock 5,783 $0.000000 Direct F2
holding MEC Restricted Stock Units 6,165 09 Jan 2025 Common Stock 6,165 $0.000000 Direct F3
holding MEC Restricted Stock Units 21,790 09 Jan 2025 Common Shares 21,790 $0.000000 Direct F4
holding MEC Stock Option (right to buy) 21,552 09 Jan 2025 Common Stock 21,552 $16.22 Direct F5
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Reflects the most recent ESOP and 401(k) balance.
F2 The Restricted Stock Units will vest 50% on each of January 9, 2024 and January 9, 2025.
F3 The restricted stock units will vest 50% on each of February 28, 2024 and February 28, 2025.
F4 The restricted stock units will vest 1/3 on each of March 15, 2025, 2026 and 2027.
F5 The options will vest 50% on each of February 28, 2024 and February 28, 2025.