Reddy Jagadeesh A 4/A

What Happened
Reddy Jagadeesh A, President, CEO and Director of Mayville Engineering Company, Inc. (MEC), sold 17,294 shares on June 1, 2026 in an open-market transaction. The reported weighted-average price was $30.00 (actual prices ranged $30.00–$30.01), for a reported proceeds total of $518,822. This sale was effected under a Rule 10b5-1 trading plan and is a disposition (sale), which is generally considered routine selling rather than a bullish purchase signal.

Key Details

• Transaction date: June 1, 2026 (reported on an amended Form 4 filed June 3, 2026).
• Shares sold: 17,294; Reported proceeds: $518,822.
• Price: Weighted average $30.00; actual prices ranged $30.00–$30.01.
• Plan: Sale executed pursuant to a 10b5-1 trading plan adopted December 12, 2025 (F1).
• Amendment: Original Form 4 (filed June 2, 2026) reported 17,942 shares sold; this amended filing corrects the number to 17,294 and adjusts the post-transaction beneficial ownership reporting (F2).
• Post-transaction ownership: The amended filing corrects the beneficial ownership count; consult the SEC filing for the exact corrected total.
• Other footnotes: Filing includes standard notes about ESOP/401(k) balances and vesting schedules for various restricted stock units and options (F3–F8).

Context

• Trades under a 10b5-1 plan are preplanned and often used to avoid questions about timing; they do not necessarily indicate a change in the insider’s view on the company.
• This is a sale (S) — sales are common and not as informative as purchases for signaling confidence.
• The filing was amended to correct the number of shares sold; review the amended Form 4 on the SEC EDGAR site for full details and the corrected ownership table.