MAYVILLE ENGR CO INC

Ticker: MEC CUSIP: 578605107 Class: Common Stock

D. E. Shaw & Co., Inc.'s Holding History (CIK: 0001009207)

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

Q4 2025

Shares 19,416 Value ($000) $363 Avg Close $16.31 Range $12.25 - $19.77

Q3 2022

Shares 28,231 Value ($000) $183 Avg Close $7.19 Range $6.36 - $8.46

Q2 2022

Shares 16,819 Value ($000) $130 Avg Close $8.48 Range $7.01 - $9.52

Q1 2022

Shares 21,522 Value ($000) $202 Avg Close $11.35 Range $9.13 - $15.33

Q4 2021

Shares 16,809 Value ($000) $251 Avg Close $16.48 Range $13.15 - $19.90

Q3 2021

Shares 18,724 Value ($000) $352 Avg Close $17.13 Range $13.49 - $20.93

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	19,416	$363	$16.31	$12.25 - $19.77
Q3 2022	28,231	$183	$7.19	$6.36 - $8.46
Q2 2022	16,819	$130	$8.48	$7.01 - $9.52
Q1 2022	21,522	$202	$11.35	$9.13 - $15.33
Q4 2021	16,809	$251	$16.48	$13.15 - $19.90
Q3 2021	18,724	$352	$17.13	$13.49 - $20.93