Todd M. Butz - Feb 28, 2025 Form 4 Insider Report for Mayville Engineering Company, Inc. (MEC)

Signature
/s/ Russell E. Ryba, Attorney-in-Fact for Todd M. Butz
Stock symbol
MEC
Transactions as of
Feb 28, 2025
Transactions value $
-$55,315
Form type
4
Date filed
3/4/2025, 06:50 PM
Previous filing
Nov 8, 2024
Next filing
Mar 18, 2025

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction MEC Common Stock Options Exercise $0 +11.6K +7.51% $0.00 165K Feb 28, 2025 Direct
transaction MEC Common Stock Tax liability -$55.3K -3.7K -2.24% $14.95 162K Feb 28, 2025 Direct
holding MEC Common Stock 41K Feb 28, 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 -11.6K -100% $0.00 0 Feb 28, 2025 Common Stock 11.6K $0.00 Direct F2
holding MEC Stock Option (right to buy) 39.1K Feb 28, 2025 Common Stock 39.1K $17.00 Direct F3
holding MEC Stock Option (right to buy) 39.7K Feb 28, 2025 Common Stock 39.7K $14.01 Direct F4
holding MEC Stock Option (right to buy) 70K Feb 28, 2025 Common Stock 70K $10.32 Direct F5
holding MEC Stock Option (right to buy) 40.4K Feb 28, 2025 Common Stock 40.4K $16.22 Direct F6
holding MEC Restricted Stock Units 52.8K Feb 28, 2025 Common Stock 52.8K $0.00 Direct F7
* 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 February 28, 2024 and February 28, 2025.
F3 The options will vest 50% on each of May 8, 2020 and May 8, 2021.
F4 The options will vest 50% on each of February 28, 2022 and February 28, 2023.
F5 The options will vest 50% on each of February 28, 2023 and February 28, 2024
F6 The options will vest 50% on each of February 28, 2024 and February 28, 2025.
F7 The restricted stock units will vest 1/3 on each of March 15, 2025, 2026 and 2027.