Key facts
- This page summarizes Robert L. McCormick's Form 4 filing for Mayville Engineering Company, Inc. (MEC).
- 3 reported transactions and 2 derivative rows are listed below.
- Accepted by SEC: 23 Apr 2026, 17:02.
Robert L. McCormick - 21 Apr 2026 Form 4 Insider Report for Mayville Engineering Company, Inc. (MEC)
- Reporting relationship
- Director
- Issuer ticker
- MEC
- Reported as of
- 21 Apr 2026
- Net transaction value
- $0
- SEC form
- 4
- Accepted by SEC
- 23 Apr 2026, 17:02:58 UTC
- Prior SEC filing
- 23 Apr 2025
- Source filing
- View source filing
- Reporting owner signature
- Garrett F. Bishop, Attorney-in-Fact for Robert L. McCormick
Source evidence
Original filing metadata and source links for verification.
4 source fields
Reporting owner
1 detail
Key filing fact
Robert L. McCormick filed Form 4 for Mayville Engineering Company, Inc. (MEC) on 23 Apr 2026.
Change
- Previous filing in this sequence was filed on 23 Apr 2025.
- Current net transaction value: $0.
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
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (1)
CIK 0001489528
Primary reporting owner
McCormick Robert L
- Relationship
- Director
- Address
- 135 SOUTH 84TH STREET, SUITE 300, MILWAUKEE
- Signature
- Garrett F. Bishop, Attorney-in-Fact for Robert L. McCormick
- Signature date
- 23 Apr 2026
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
MEC
transaction
Common Stock
Options Exercise
- Transaction value
- Shares
- +10,331
- Change %
- +55%
- Price
- $0.000000*
- Shares after
- 29,078
- Date
- 21 Apr 2026
- Ownership
- Direct
Reported derivative securities
Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.
MEC
transaction
Derivative
Director Restricted Stock Units
Options Exercise
- Transaction value
- Shares
- -10,331
- Change %
- -100%
- Price
- $0.000000*
- Shares after
- 0
- Date
- 21 Apr 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 10,331
- Exercise price
- $0.000000
- Footnotes
- F1
MEC
transaction
Derivative
Director Restricted Stock Units
Award
- Transaction value
- Shares
- +5,959
- Change %
- Price
- $0.000000*
- Shares after
- 5,959
- Date
- 21 Apr 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 5,959
- Exercise price
- $0.000000
- Footnotes
- F2
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 2 footnotes
Footnote F1
The restricted stock units vested 100% one year from the grant date.
Footnote F2
The restricted stock units will vest 100% at the earlier of one year or the next annual shareholder meeting.