Mayville Engineering Company, Inc. (MEC) Insider Trading
Over the last 3 months, MEC insiders made 0 open-market buys and 3 sales, a net sale of -$922K (SEC Form 4). Over the last 6 months, 39 institutions increased and 40 reduced their position (13F).
Insider Activity
Sentiment
0/100
Buys (3m)
0
Sells (3m)
3
Net (3m)
-$922.4K
Insider trades by month Buys Sells
Nov
Dec
Mar
May
Jun
Aug
Context3-month price -38.2%Institutions reducing (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Aug 7, 2026 | Leuba Sean Pofficer: SVP, GC & Secretary | Sell | 12,855 | $25.44 |
| Jun 12, 2026 | Reddy Jagadeesh Adirector, officer: President & CEO | Sell | 15,688 | $35.05 |
| Jun 10, 2026 | Reddy Jagadeesh Adirector, officer: President & CEO | Sell | 1,300 | $35.01 |
| Jun 3, 2026 | Reddy Jagadeesh Adirector, officer: President & CEO | Sell | 17,294 | $30.00 |
| Jun 2, 2026 | Reddy Jagadeesh Adirector, officer: President & CEO | Sell | 17,942 | $30.00 |
| May 27, 2026 | Raber Ryan Fofficer: EVP - Strategy, Sales & Mktg | Sell | 20,000 | $26.00 |
| May 26, 2026 | Nichols Craig Dofficer: SVP, Operations & Supply Chain | Sell | 4,000 | $23.24 |
| May 11, 2026 | Reddy Jagadeesh Adirector, officer: President & CEO | Sell | 10,332 | $25.72 |
| May 11, 2026 | Reddy Jagadeesh Adirector, officer: President & CEO | Sell | 11,464 | $26.11 |
| Apr 23, 2026 | Christen Timothy Ldirector | Option | 12,397 | — |
| Apr 23, 2026 | Fisher Steven Ldirector | Option | 10,331 | — |
| Apr 23, 2026 | Fisher Steven Ldirector | Option | 14,485 | — |
| Apr 23, 2026 | Fisher Steven Ldirector | Option | 19,532 | — |
| Apr 23, 2026 | Wingfield Taniadirector | Grant | 5,959 | — |
| Apr 23, 2026 | Fisher Steven Ldirector | Option | 5,883 | — |
| Apr 23, 2026 | Kent Jennifer J.director | Grant | 5,959 | — |
| Apr 23, 2026 | McCormick Robert Ldirector | Grant | 5,959 | — |
| Apr 23, 2026 | McCormick Robert Ldirector | Option | 10,331 | — |
| Apr 23, 2026 | Wingfield Taniadirector | Option | 5,949 | — |
| Apr 23, 2026 | Rothman Jay O.director | Grant | 5,959 | — |
| Apr 23, 2026 | Schyvinck Christine M.director, other: Chair of the Board | Grant | 5,959 | — |
| Apr 23, 2026 | Christen Timothy Ldirector | Grant | 7,150 | — |
| Mar 17, 2026 | Lehr Rachele Marieofficer: Chief Financial Officer | Grant | 16,497 | — |
| Mar 17, 2026 | Leuba Sean Pofficer: SVP, Corp. Development & GC | Option | 4,646 | — |
| Mar 17, 2026 | Leuba Sean Pofficer: SVP, Corp. Development & GC | Option | 7,263 | — |
| Mar 17, 2026 | Nichols Craig Dofficer: SVP, Operations & Supply Chain | Grant | 14,998 | — |
| Mar 17, 2026 | Nichols Craig Dofficer: SVP, Operations & Supply Chain | Tax | 1,662 | $16.67 |
| Mar 17, 2026 | Nichols Craig Dofficer: SVP, Operations & Supply Chain | Option | 5,808 | — |
| Mar 17, 2026 | Leuba Sean Pofficer: SVP, Corp. Development & GC | Tax | 5,277 | $16.67 |
| Mar 17, 2026 | Raber Ryan Fofficer: EVP - Strategy, Sales & Mktg | Grant | 29,155 | — |
Source: MEC SEC Form 4 filings, latest Aug 7, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their MEC positions over the last 6 months (SEC Form 13F).
Increased
39
New positions
23
Reduced
40
Sold out
121
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| ALLSPRING GLOBAL INVESTMENTS HOLDINGS, LLC | Reduced | 2.0M | May 5, 2026 |
| DIMENSIONAL FUND ADVISORS LP | Increased | 926K | May 7, 2026 |
| BLACKROCK, INC. | Increased | 882K | May 13, 2026 |
| PORTOLAN CAPITAL MANAGEMENT, LLC | Increased | 821K | May 15, 2026 |
| ROYCE & ASSOCIATES LP | Increased | 751K | May 12, 2026 |
| EVR RESEARCH LP | Increased | 620K | May 14, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 595K | May 15, 2026 |
| BLAIR WILLIAM & CO/IL | Reduced | 565K | May 8, 2026 |
| FIRST EAGLE INVESTMENT MANAGEMENT, LLC | Increased | 404K | May 14, 2026 |
| GRANAHAN INVESTMENT MANAGEMENT, LLC | Increased | 387K | May 15, 2026 |
| MILLENNIUM MANAGEMENT LLC | Increased | 381K | May 15, 2026 |
| AMERIPRISE FINANCIAL INC | Increased | 352K | Jul 17, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 336K | May 15, 2026 |
| STATE STREET CORP | Increased | 286K | May 15, 2026 |
| SILVERCREST ASSET MANAGEMENT GROUP LLC | Increased | 270K | May 15, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.