Leuba Sean P 4

What Happened

• Sean P. Leuba, Senior Vice President, General Counsel & Secretary of Mayville Engineering Company, Inc. (MEC), reported a gift of 1,015 common shares on May 8, 2026. The transaction is coded G (gift) on the Form 4; price is recorded as $0.00, so no cash proceeds were received.

Key Details

• Transaction date: 2026-05-08
• Transaction type/code: Gift (G)
• Shares transferred: 1,015 shares
• Reported price: $0.00 (no proceeds)
• Form 4 filed: 2026-05-12 — filed on the second business day after the transaction (timely)
• Shares owned after transaction: Not specified in the filing
• Notable footnotes in the filing: F1–F3 describe vesting schedules for restricted stock units (one‑third vesting annually over three years for different grant years); F4 describes option vesting (50% on each of Feb 28, 2024 and Feb 28, 2025). The filing doesn’t explicitly tie these footnotes to the gift.

Context

• Gifts (code G) are transfers and do not represent a market purchase or sale; they often reflect personal, estate-planning, or charitable actions rather than a signal about the insider’s view of the company. Because no sale occurred and no cash changed hands, this transaction does not provide a direct valuation signal for investors.