Mayville Engineering Company, Inc.

For the period ended Mar 31, 2026. Filed May 6, 2026.

About this filing

A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.

Mar 31, 2026 · Filed May 6, 2026

MEC$14.11+7.5%Stored close · as of Nov 9, 2026

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Contents

Item 6. Exhibits

The exhibits listed in the Exhibit Index below are filed as part of this Quarterly Report on Form 10-Q.

EXHIBIT INDEX


ExhibitNumber		Description

10.1		Second Amendment, dated as of August 15, 2025, to Amended and Restated Credit Agreement, dated as of June 28, 2023, as amended by that First Amendment, dated as of June 26, 2025, by and among Mayville Engineering Company, Inc., certain subsidiaries of Mayville Engineering Company, as guarantors, the lenders from time-to-time party thereto, and Wells Fargo Bank, National Association, as Administrative Agent for the lenders (incorporated by reference to Exhibit 10.1 to the Current Report on Form 8-K filed on February 26, 2026).

10.2		Third Amendment, dated as of February 25, 2026, to Amended and Restated Credit Agreement, dated as of June 28, 2023, as amended by that First Amendment, dated as of June 26, 2025 and that Second Amendment, dated as of August 15, 2026, by and among Mayville Engineering Company, Inc., certain subsidiaries of Mayville Engineering Company, as guarantors, the lenders from time-to-time party thereto, and Wells Fargo Bank, National Association, as Administrative Agent for the lenders (including a full conformed copy of the credit agreement, as amended by the third amendment) (incorporated by reference to Exhibit 10.2 to the Current Report on Form 8-K filed on February 26, 2026).

31.1		Certification of Principal Executive Officer Pursuant to Rules 13a-14(a) and 15d-14(a) under the Securities Exchange Act of 1934, as Adopted Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.

31.2		Certification of Principal Financial Officer Pursuant to Rules 13a-14(a) and 15d-14(a) under the Securities Exchange Act of 1934, as Adopted Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.

32		Certification of Principal Executive Officer and Principal Financial Officer Pursuant to 18 U.S.C. Section 1350, as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.

101.INS		Inline XBRL Instance Document

101.SCH		Inline XBRL Taxonomy Extension Schema Document

101.CAL		Inline XBRL Taxonomy Extension Calculation Linkbase Document

101.DEF		Inline XBRL Taxonomy Extension Definition Linkbase Document

101.LAB		Inline XBRL Taxonomy Extension Label Linkbase Document

101.PRE		Inline XBRL Taxonomy Extension Presentation Linkbase Document

104		Cover Page Interactive Data File (embedded within the Inline XBRL document)

ContentsView on SEC.gov

The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.