Jagadeesh A. Reddy - 07 Aug 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
Issuer symbol
MEC
Transactions as of
07 Aug 2025
Net transactions value
+$105,450
Form type
4
Filing time
08 Aug 2025, 12:05:23 UTC
Previous filing
21 Jul 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Reddy Jagadeesh A President & CEO, Director 135 SOUTH 84TH STREET, SUITE 300, MILWAUKEE /s/ Russell E. Ryba, Attorney-in-Fact for Jagadeesh A. Reddy 08 Aug 2025 0001937748

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction MEC Common Stock Purchase $105,450 +7,500 +5.4% $14.06 146,285 07 Aug 2025 Direct
holding MEC Common Stock 2,300 07 Aug 2025 by ESOP and/or 401(k) Plan F1
holding MEC Common Stock 380 07 Aug 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
holding MEC Restricted Stock Units 72,633 07 Aug 2025 Common Shares 72,633 $0.000000 Direct F2
holding MEC Restricted Stock Units 82,927 07 Aug 2025 Common Shares 82,927 $0.000000 Direct F3
holding MEC Stock Option (right to buy) 88,901 07 Aug 2025 Common Shares 88,901 $16.22 Direct F4
* 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 February 28, 2024 and February 28, 2025.