Jagadeesh A. Reddy - Mar 15, 2025 Form 4 Insider Report for Mayville Engineering Company, Inc. (MEC)

Role
President & CEO, Director
Signature
/s/ Russell E. Ryba, Attorney-in-Fact for Jagadeesh A. Reddy
Stock symbol
MEC
Transactions as of
Mar 15, 2025
Transactions value $
-$244,668
Form type
4
Date filed
3/18/2025, 05:32 PM
Previous filing
Mar 13, 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 +36.3K +35.42% $0.00 139K Mar 15, 2025 Direct
transaction MEC Common Stock Tax liability -$245K -17.1K -12.28% $14.35 122K Mar 15, 2025 Direct
holding MEC Common Stock 2.3K Mar 15, 2025 by ESOP and/or 401(k) Plan F1
holding MEC Common Stock 380 Mar 15, 2025 By Daughter

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 -36.3K -33.33% $0.00 72.6K Mar 15, 2025 Common Shares 36.3K $0.00 Direct F2
transaction MEC Restricted Stock Units Award $0 +82.9K $0.00 82.9K Mar 15, 2025 Common Shares 82.9K $0.00 Direct F3
holding MEC Restricted Stock Units 32.1K Mar 15, 2025 Common Shares 32.1K $0.00 Direct F4
holding MEC Stock Option (right to buy) 88.9K Mar 15, 2025 Common Shares 88.9K $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 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 restricted stock units will vest 1/3 on each of July 19, 2023, 2024 and 2025.
F5 The options will vest 50% on each of February 28, 2024 and February 28, 2025.