0000897069-25-000529.txt : 20250307 0000897069-25-000529.hdr.sgml : 20250307 20250307170721 ACCESSION NUMBER: 0000897069-25-000529 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20250306 FILED AS OF DATE: 20250307 DATE AS OF CHANGE: 20250307 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Leuba Sean P CENTRAL INDEX KEY: 0001962754 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-38894 FILM NUMBER: 25721148 MAIL ADDRESS: STREET 1: 715 SOUTH STREET CITY: MAYVILLE STATE: WI ZIP: 53050 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: Mayville Engineering Company, Inc. CENTRAL INDEX KEY: 0001766368 STANDARD INDUSTRIAL CLASSIFICATION: METAL FORGING & STAMPINGS [3460] ORGANIZATION NAME: 04 Manufacturing IRS NUMBER: 390944729 FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 715 SOUTH STREET CITY: MAYVILLE STATE: WI ZIP: 53050 BUSINESS PHONE: 920-387-4500 MAIL ADDRESS: STREET 1: 715 SOUTH STREET CITY: MAYVILLE STATE: WI ZIP: 53050 FORMER COMPANY: FORMER CONFORMED NAME: Mayville Engineering Comapny, Inc. DATE OF NAME CHANGE: 20190130 4 1 form4.xml X0508 4 2025-03-06 0001766368 Mayville Engineering Company, Inc. MEC 0001962754 Leuba Sean P 135 SOUTH 84TH STREET SUITE 300 MILWAUKEE WI 53214 true SVP, Corp. Development & GC false Common Stock 2025-03-06 4 P 0 1000 14.179 A 2000 I by ESOP and/or 401(k) Plan Common Stock 14492 D Restricted Stock Units 0 Common Stock 21790 21790 D Stock Option (right to buy) 16.22 2033-02-28 Common Stock 21552 21552 D Reflects the most recent ESOP and 401(k) balance. The restricted stock units will vest 1/3 on each of March 15, 2025, 2026 and 2027. The options will vest 50% on each of February 28, 2024 and February 28, 2025. /s/ Russell E. Ryba, Attorney-in-Fact for Sean P. Leuba 2025-03-06