MAYVILLE ENGR CO INC

Ticker: MEC CUSIP: 578605107 Class: Common Stock

MARTINGALE ASSET MANAGEMENT L P's Holding History (CIK: 0000936944)

Note: Option positions (PUT/CALL) are excluded.

Q3 2025

Shares 35,610 Value ($000) $490 Avg Close $15.04 Range $12.10 - $17.62

Q2 2025

Shares 43,516 Value ($000) $695 Avg Close $14.29 Range $11.72 - $16.72

Q1 2025

Shares 44,815 Value ($000) $602 Avg Close $15.04 Range $12.75 - $16.54

Q4 2024

Shares 42,211 Value ($000) $664 Avg Close $18.28 Range $15.33 - $23.02

Q3 2024

Shares 36,336 Value ($000) $766 Avg Close $18.72 Range $15.90 - $22.07

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	35,610	$490	$15.04	$12.10 - $17.62
Q2 2025	43,516	$695	$14.29	$11.72 - $16.72
Q1 2025	44,815	$602	$15.04	$12.75 - $16.54
Q4 2024	42,211	$664	$18.28	$15.33 - $23.02
Q3 2024	36,336	$766	$18.72	$15.90 - $22.07