Steven L. Fisher - 11 Dec 2025 Form 4 Insider Report for Mayville Engineering Company, Inc. (MEC)

Role
Director
Signature
/s/ Russell E. Ryba, Attorney-in-Fact for Steven L. Fisher
Issuer symbol
MEC
Transactions as of
11 Dec 2025
Net transactions value
-$191,100
Form type
4
Filing time
15 Dec 2025, 17:29:24 UTC
Previous filing
23 Apr 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Fisher Steven L Director 135 SOUTH 84TH STREET, SUITE 300, MILWAUKEE /s/ Russell E. Ryba, Attorney-in-Fact for Steven L. Fisher 15 Dec 2025 0001342891

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction MEC Common Stock Sale $95,400 -5,000 -12% $19.08 35,482 11 Dec 2025 Direct
transaction MEC Common Stock Sale $95,700 -5,000 -14% $19.14 30,482 11 Dec 2025 Direct

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 Director Restricted Stock Units 10,331 11 Dec 2025 Common Stock 10,331 $0.000000 Direct F1
holding MEC Director Deferred Stock Units 39,900 11 Dec 2025 Common Stock 39,900 $0.000000 Direct F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The restricted stock units will vest 100% at the earlier of one year or the next annual shareholder meeting.
F2 The balance includes vested RSUs that were deferred by the reporting person, which will be settled upon the reporting person's retirement or separation from the company.