Mayville Engineering Company Inc

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Mayville Engineering Company Inc
TickerMEC
CIK #0001766368
CUSIP578605107
SectorManufacturing - Metal Forgings & Stampings
Address715 South Street, Mayville, WI 53050
Source [EDGAR]
CIK Filing 2011 - 2026
[0001766368] 10-K
[0001766368] 10-Q
[0001766368] 3
[0001766368] 4
[0001766368] 8-K
[0001766368] SC 13G
Form 13D/13G Filer Form 13D/13G Subject Filed % Owned
Portolan Capital Management LLC Mayville Engineering Company Inc [2026-05-28] 0.0
Hilve Holdings Ltd Mayville Engineering Company Inc [2025-10-29] 0.0
Allspring Global Investments Holdings LLC Mayville Engineering Company Inc [2021-12-09] 10.27
Prudential Financial Inc Mayville Engineering Company Inc [2021-02-09] 5.03
Wellington Management Group LLP Mayville Engineering Company Inc [2021-02-04] 6.3
Wells Fargo & Company/MN Mayville Engineering Company Inc [2020-02-04] 8.19
Form 3/4/5 Filer 2011 - 2026
Reddy Jagadeesh A
Mayville Engineering Company Inc
Raber Ryan F
Nichols Craig D
Leuba Sean P
Kent Jennifer J
Wingfield Tania
Schyvinck Christine M
Rothman Jay O
Fisher Steven L
Christen Timothy L
McCormick Robert L
Lehr Rachele Marie
Carlson Allen J
Butz Todd M
Michels Patrick D
Stille Randall P
Kamphuis Robert D
Johnson Craig E
Welak Eric J
St Peter John A
Sanderson Clifford O
Mance Stephen P
Insider Transaction (Form 3/4/5) Date Action Shares Price Value ($)
Leuba Sean P
Restricted Stock Units · derivative
2026-03-15 Grant 13,498 $0.00
Leuba Sean P
Common Stock
2026-03-15 Option exercise 7,263 $0.00
Leuba Sean P
Common Stock
2026-03-15 Tax withheld 5,277 $16.67 87,968
Reddy Jagadeesh A
Common Stock
2026-03-15 Option exercise 27,643 $0.00
Reddy Jagadeesh A
Restricted Stock Units · derivative
2026-03-15 Grant 74,986 $0.00
Lehr Rachele Marie
Common Stock
2026-03-15 Option exercise 5,808 $0.00
Raber Ryan F
Common Stock
2026-03-15 Tax withheld 14,150 $16.67 235,881
Raber Ryan F
Common Stock
2026-03-15 Option exercise 17,650 $0.00
Reddy Jagadeesh A
Restricted Stock Units · derivative
2026-03-15 Option exercise 27,643 $0.00
Raber Ryan F
Common Stock
2026-03-15 Option exercise 12,452 $0.00
Reddy Jagadeesh A
Common Stock
2026-03-15 Tax withheld 30,062 $16.67 501,134
Leuba Sean P
Restricted Stock Units · derivative
2026-03-15 Option exercise 7,263 $0.00
Reddy Jagadeesh A
Restricted Stock Units · derivative
2026-03-15 Option exercise 36,317 $0.00
Raber Ryan F
Restricted Stock Units · derivative
2026-03-15 Option exercise 12,452 $0.00
Lehr Rachele Marie
Restricted Stock Units · derivative
2026-03-15 Option exercise 5,808 $0.00
Nichols Craig D
Restricted Stock Units · derivative
2026-03-15 Grant 14,998 $0.00
Reddy Jagadeesh A
Common Stock
2026-03-15 Option exercise 36,317 $0.00
Lehr Rachele Marie
Common Stock
2026-03-15 Tax withheld 4,600 $16.67 76,682
Leuba Sean P
Restricted Stock Units · derivative
2026-03-15 Option exercise 4,646 $0.00
Lehr Rachele Marie
Common Stock
2026-03-15 Option exercise 8,560 $0.00
showing 20 of 200 most recent transactions
13F Ownership Over TimeHoldersShares Held
2026-03-31 124 14,392,335
2025-12-31 123 13,915,409
2025-09-30 104 13,285,757
2025-06-30 114 12,670,684
2025-03-31 118 12,450,742
2024-12-31 117 12,382,156
2024-09-30 117 11,615,487
2024-06-30 98 10,776,124
2024-03-31 83 9,714,210
2023-12-31 83 9,376,375
2023-09-30 86 8,939,980
2023-06-30 89 8,773,852
Form 13F Holdings
Firm Period DFND Voting Shares
Essential Investment Partners LLC [2026-06-30] SOLE 58,256 58,886
Sheets Smith Wealth Management [2026-06-30] SOLE 37,897 37,897
Wealth Enhancement Advisory Services LLC [2026-06-30] SOLE 12 13,946
Heck Capital Advisors LLC [2026-06-30] SOLE 10,072 10,072
Delta Capital Management LLC [2026-06-30] SOLE 9,920 9,920
Avior Wealth Management LLC [2026-06-30] SOLE 0 7,519
Alaska Retirement Management Board [2026-06-30] SOLE 3,903 3,903
Gamma Investing LLC [2026-06-30] DFND 174 174
Farther Finance Advisors LLC [2026-06-30] SOLE 0 48
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