๐Ÿ•ต๏ธ Mayville Engineering Company, Inc. ($MEC)

SEC insider & ownership activity, last 12 months ยท CIK 1766368 ยท every row links its SEC filing

Over the last 12 months insiders sold $3.2M with no open-market buying against it. Jagadeesh Reddy sold $1.7M through a 10b5-1 trading plan in 5 lots (Mayโ€“Jun). No red-flag 8-Ks in the window.

๐Ÿšจ 1 signal active โ€” planned-vs-executed verdicts, pre-event flags, and cluster context live in the API and the alerts bot.
Oct 2025: net +$0 Nov 2025: net -$250K Dec 2025: net -$191K Jan 2026: net +$0 Feb 2026: net +$0 Mar 2026: net -$176K Apr 2026: net +$0 May 2026: net -$1.2M Jun 2026: net -$1.1M Jul 2026: net +$0 Aug 2026: net -$327K Sep 2026: net +$0
Monthly net open-market insider flow, last 12 months (up = net buying)

Insider flow

0 buyers, $0 (0 lots) ยท 5 sellers, $3.2M (14 lots)

InsiderBuysBoughtSellsSoldLast
Jagadeesh Reddy0โ€“ 5$1.7MJun 11, 2026
Ryan F. Raber0โ€“ 3$770KMay 26, 2026
Sean P. Leuba0โ€“ 3$503KAug 6, 2026
Steven L. Fisher0โ€“ 2$191KDec 11, 2025
Craig D. Nichols0โ€“ 1$93KMay 21, 2026

5%+ holders

HolderStakeClassScheduleEvent
Portolan Capital Management, LLC 5.9% 13GMay 28, 2026 filing โ†—
George McCabe 5.9% 13GMay 28, 2026 filing โ†—
FMR LLC 5.0% 13GAug 6, 2026 filing โ†—
Abigail P. Johnson 5.0% 13GAug 6, 2026 filing โ†—

Planned insider sales (Form 144)

SellerPlannedApprox. sale date
Sean P. Leuba$26KAug 6, 2026 filing โ†—
Sean P. Leuba$309KAug 6, 2026 filing โ†—
Jagadeesh Reddy$531KJun 11, 2026 filing โ†—
Jagadeesh Reddy$43KJun 8, 2026 filing โ†—
Jagadeesh Reddy$464KJun 1, 2026 filing โ†—
Jagadeesh A. Reddy$509KMay 7, 2026 filing โ†—

Material events (8-K)

ItemEvent date
Earnings (2.02)Aug 4, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Aug 4, 2026 filing โ†—
Material agreement (1.01)May 19, 2026 filing โ†—
Reg FD disclosure (7.01)May 19, 2026 filing โ†—
Financial Statements and Exhibits (9.01)May 19, 2026 filing โ†—
Earnings (2.02)May 5, 2026 filing โ†—
Financial Statements and Exhibits (9.01)May 5, 2026 filing โ†—
Shareholder vote (5.07)Apr 21, 2026 filing โ†—
Earnings (2.02)Mar 3, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Mar 3, 2026 filing โ†—
Material agreement (1.01)Feb 25, 2026 filing โ†—
New financial obligation (2.03)Feb 25, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Feb 25, 2026 filing โ†—
Earnings (2.02)Nov 4, 2025 filing โ†—
Financial Statements and Exhibits (9.01)Nov 4, 2025 filing โ†—