SEC Filing Summary for Robert L. McCormick

This filing details transactions made by Robert L. McCormick, a director at Mayville Engineering Company, Inc. On April 21, 2026, McCormick disposed of 10,331 Director Restricted Stock Units, which vested according to footnote F1. Concurrently, he acquired 5,959 Director Restricted Stock Units, which will vest according to footnote F2. Additionally, McCormick acquired 10,331 shares of Common Stock. Following these transactions, his post-transaction shares of Common Stock amount to 29,078. The filing also includes a Power of Attorney granted by McCormick to Sean P. Leuba and Garrett F. Bishop, authorizing them to execute necessary SEC filings on his behalf.