Insider · CIK 0001962754

Leuba Sean P

Reports to the SEC for 1 company · MILWAUKEE, WI

sec.gov

Transactions

Companies

Filings

CIK

0001962754

Forms 4 and 5

Insider transactions

33 trades

Date	Company	Role	Code	Shares	Price	Value	Shares after
2026-08-06	MECMayville Engineering Company, Inc.S Sale	SVP, GC & Secretary	SSale	−12.9K sh	$25.44	−$327K	6,633
2026-05-08	MECMayville Engineering Company, Inc.G Gift	SVP, GC & Secretary	GGift	+1,015 sh	—	—	19,488
2026-03-15	MECMayville Engineering Company, Inc.M Exercise/Conversion	SVP, GC & Secretary	MExercise/Conversion	+7,263 sh	—	—	19,104
2026-03-15	MECMayville Engineering Company, Inc.M Exercise/Conversion	SVP, GC & Secretary	MExercise/Conversion	+4,646 sh	—	—	23,750
2026-03-15	MECMayville Engineering Company, Inc.F Tax Payment	SVP, GC & Secretary	FTax Payment	−5,277 sh	$16.67	−$88K	18,473
2026-03-15	MECMayville Engineering Company, Inc. · Restricted Stock UnitsM Exercise/Conversion	SVP, GC & Secretary	MExercise/Conversion	−7,263 sh	—	—	7,263
2026-03-15	MECMayville Engineering Company, Inc. · Restricted Stock UnitsM Exercise/Conversion	SVP, GC & Secretary	MExercise/Conversion	−4,646 sh	—	—	9,292
2026-03-15	MECMayville Engineering Company, Inc. · Restricted Stock UnitsA Award	SVP, GC & Secretary	AAward	+13.5K sh	—	—	13,498
2026-03-05	MECMayville Engineering Company, Inc.S Sale	SVP, GC & Secretary	SSale	−2,500 sh	$20.07	−$50.2K	0
2026-03-05	MECMayville Engineering Company, Inc.S Sale	SVP, GC & Secretary	SSale	−6,698 sh	$18.81	−$126K	11,841
2025-08-11	MECMayville Engineering Company, Inc.P Purchase	SVP, GC & Secretary	PPurchase	+500 sh	$13.56	+$6,780	2,500
2025-03-15	MECMayville Engineering Company, Inc.M Exercise/Conversion	SVP, GC & Secretary	MExercise/Conversion	+7,264 sh	—	—	21,756
2025-03-15	MECMayville Engineering Company, Inc.F Tax Payment	SVP, GC & Secretary	FTax Payment	−3,217 sh	$14.35	−$46.2K	18,539
2025-03-15	MECMayville Engineering Company, Inc. · Restricted Stock UnitsM Exercise/Conversion	SVP, GC & Secretary	MExercise/Conversion	−7,264 sh	—	—	14,526
2025-03-15	MECMayville Engineering Company, Inc. · Restricted Stock UnitsA Award	SVP, GC & Secretary	AAward	+13.9K sh	—	—	13,938
2025-03-06	MECMayville Engineering Company, Inc.P Purchase	SVP, GC & Secretary	PPurchase	+1,000 sh	$14.18	+$14.2K	2,000
2025-02-28	MECMayville Engineering Company, Inc.M Exercise/Conversion	SVP, GC & Secretary	MExercise/Conversion	+6,165 sh	—	—	17,223
2025-02-28	MECMayville Engineering Company, Inc.F Tax Payment	SVP, GC & Secretary	FTax Payment	−2,731 sh	$14.95	−$40.8K	14,492
2025-02-28	MECMayville Engineering Company, Inc. · Restricted Stock UnitsM Exercise/Conversion	SVP, GC & Secretary	MExercise/Conversion	−6,165 sh	—	—	0
2025-01-09	MECMayville Engineering Company, Inc.M Exercise/Conversion	SVP, GC & Secretary	MExercise/Conversion	+5,783 sh	—	—	13,926
2025-01-09	MECMayville Engineering Company, Inc.F Tax Payment	SVP, GC & Secretary	FTax Payment	−2,868 sh	$15.00	−$43K	11,058
2025-01-09	MECMayville Engineering Company, Inc. · Restricted Stock UnitsM Exercise/Conversion	SVP, GC & Secretary	MExercise/Conversion	−5,783 sh	—	—	0
2024-11-07	MECMayville Engineering Company, Inc.P Purchase	SVP, GC & Secretary	PPurchase	+1,000 sh	$16.13	+$16.1K	1,000
2024-03-15	MECMayville Engineering Company, Inc. · Restricted Stock UnitsA Award	SVP, GC & Secretary	AAward	+21.8K sh	—	—	21,790
2024-02-28	MECMayville Engineering Company, Inc.M Exercise/Conversion	SVP, GC & Secretary	MExercise/Conversion	+6,166 sh	—	—	9,949
2024-02-28	MECMayville Engineering Company, Inc.F Tax Payment	SVP, GC & Secretary	FTax Payment	−1,806 sh	$11.97	−$21.6K	8,143
2024-02-28	MECMayville Engineering Company, Inc. · Restricted Stock UnitsM Exercise/Conversion	SVP, GC & Secretary	MExercise/Conversion	−6,166 sh	—	—	6,165
2024-01-09	MECMayville Engineering Company, Inc.M Exercise/Conversion	SVP, GC & Secretary	MExercise/Conversion	+5,783 sh	—	—	5,783
2024-01-09	MECMayville Engineering Company, Inc.F Tax Payment	SVP, GC & Secretary	FTax Payment	−2,000 sh	$13.50	−$27K	3,783
2024-01-09	MECMayville Engineering Company, Inc. · Restricted Stock UnitsM Exercise/Conversion	SVP, GC & Secretary	MExercise/Conversion	−5,783 sh	—	—	5,783
2023-02-28	MECMayville Engineering Company, Inc. · Restricted Stock UnitsA Award	SVP, GC & Secretary	AAward	+12.3K sh	—	—	12,331
2023-02-28	MECMayville Engineering Company, Inc. · Stock Option (right to buy)A Award	SVP, GC & Secretary	AAward	+21.6K sh	—	—	21,552
2023-01-25	MECMayville Engineering Company, Inc. · Restricted Stock UnitsA Award	SVP, GC & Secretary	AAward	+11.6K sh	—	—	11,566

Recent filings

Accepted (ET)
Aug 74
Leuba Sean P0000897069-26-001598
SEC(opens sec.gov)
May 124
Leuba Sean P0000897069-26-001079
SEC(opens sec.gov)
Mar 174
Leuba Sean P0000897069-26-000707
SEC(opens sec.gov)
Mar 94
Leuba Sean P0000897069-26-000626
SEC(opens sec.gov)
Aug 114
Leuba Sean P0000897069-25-001276
SEC(opens sec.gov)
Mar 184
Leuba Sean P0000897069-25-000642
SEC(opens sec.gov)
Mar 74
Leuba Sean P0000897069-25-000529
SEC(opens sec.gov)
Mar 44
Leuba Sean P0000897069-25-000475
SEC(opens sec.gov)
Jan 104
Leuba Sean P0000897069-25-000098
SEC(opens sec.gov)

Companies

Mayville Engineering Company, Inc.SVP, GC & SecretaryMEC

Address

135 SOUTH 84TH STREET SUITE 300

MILWAUKEE, WI, 53214