Todd M. Butz - 15 Mar 2025 Form 4 Insider Report for Mayville Engineering Company, Inc. (MEC)

Reporting relationship: Chief Financial Officer
Issuer ticker: MEC
Reported as of: 15 Mar 2025
Net transaction value: -$80,891
SEC form: 4
Accepted by SEC: 18 Mar 2025, 17:27:55 UTC
Prior SEC filing: 04 Mar 2025
Next SEC filing: 30 Sep 2025
Source filing: View source filing
Reporting owner signature: /s/ Russell E. Ryba, Attorney-in-Fact for Todd M. Butz

Key filing fact

Todd M. Butz filed Form 4 for Mayville Engineering Company, Inc. (MEC) on 18 Mar 2025.

Key facts

This page summarizes Todd M. Butz's Form 4 filing for Mayville Engineering Company, Inc. (MEC).
3 reported transactions and 5 derivative rows are listed below.
Accepted by SEC: 18 Mar 2025, 17:27.

Change

Previous filing in this sequence was filed on 04 Mar 2025.
Current net transaction value: -$80,891.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

MEC transaction

Common Stock

Options Exercise

Transaction value: $0
Shares: +17,614
Change %: +11%
Price: $0.000000
Shares after: 179,380
Date: 15 Mar 2025
Ownership: Direct

MEC transaction

Common Stock

Tax liability

Transaction value: $80,891
Shares: -5,637
Change %: -3.1%
Price: $14.35
Shares after: 173,743
Date: 15 Mar 2025
Ownership: Direct

MEC holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 40,998
Date: 15 Mar 2025
Ownership: by ESOP and/or 401(k) Plan
Footnotes: F1

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

MEC transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value: $0
Shares: -17,614
Change %: -33%
Price: $0.000000
Shares after: 35,227
Date: 15 Mar 2025
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 17,614
Exercise price: $0.000000
Footnotes: F2

MEC holding Derivative

Stock Option (right to buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 39,127
Date: 15 Mar 2025
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 39,127
Exercise price: $17.00
Footnotes: F3

MEC holding Derivative

Stock Option (right to buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 39,683
Date: 15 Mar 2025
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 39,683
Exercise price: $14.01
Footnotes: F4

MEC holding Derivative

Stock Option (right to buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 69,963
Date: 15 Mar 2025
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 69,963
Exercise price: $10.32
Footnotes: F5

MEC holding Derivative

Stock Option (right to buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 40,410
Date: 15 Mar 2025
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 40,410
Exercise price: $16.22
Footnotes: F6

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 6 footnotes

Footnote F1

Reflects the most recent ESOP and 401(k) balance.

Footnote F2

The restricted stock units will vest 1/3 on each of March 15, 2025, 2026 and 2027.

Footnote F3

The options will vest 50% on each of May 8, 2020 and May 8, 2021.

Footnote F4

The options will vest 50% on each of February 28, 2022 and February 28, 2023.

Footnote F5

The options will vest 50% on each of February 28, 2023 and February 28, 2024

Footnote F6

The options will vest 50% on each of February 28, 2024 and February 28, 2025.