Ryan F. Raber - Mar 15, 2025 Form 4 Insider Report for Mayville Engineering Company, Inc. (MEC)

Role
EVP - Strategy, Sales & Mktg
Signature
/s/ Russell E. Ryba, Attorney-in-Fact for Ryan F. Raber
Stock symbol
MEC
Transactions as of
Mar 15, 2025
Transactions value $
-$118,761
Form type
4
Date filed
3/18/2025, 05:20 PM
Previous filing
Mar 4, 2025
SEC
View on sec.gov

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction MEC Common Stock Options Exercise $0 +17.7K +18.26% $0.00 114K Mar 15, 2025 Direct
transaction MEC Common Stock Tax liability -$119K -8.28K -7.24% $14.35 106K Mar 15, 2025 Direct
holding MEC Common Stock 26.3K Mar 15, 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 -17.7K -33.33% $0.00 35.3K Mar 15, 2025 Common Stock 17.7K $0.00 Direct F2
transaction MEC Restricted Stock Units Award $0 +37.4K $0.00 37.4K Mar 15, 2025 Common Stock 37.4K $0.00 Direct F3
holding MEC Stock Option (right to buy) 27.6K Mar 15, 2025 Common Stock 27.6K $17.00 Direct F4
holding MEC Stock Option (right to buy) 43.3K Mar 15, 2025 Common Stock 43.3K $14.01 Direct F5
holding MEC Stock Option (right to buy) 77.4K Mar 15, 2025 Common Stock 77.4K $10.32 Direct F6
holding MEC Stock Option (right to buy) 44.7K Mar 15, 2025 Common Stock 44.7K $16.22 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 1/3 on each of March 15, 2025, 2026 and 2027.
F3 The restricted stock units will vest 1/3 on each of March 15, 2026, 2027 and 2028.
F4 The options will vest 50% on each of May 8, 2020 and May 8, 2021.
F5 The options will vest 50% on each of February 28, 2022 and February 28, 2023.
F6 The options will vest 50% on each of February 28, 2023 and February 28, 2024.
F7 The options will vest 50% on each of February 28, 2024 and February 28, 2025.