DOUGLAS DYNAMICS INC

Ticker: PLOW CUSIP: 25960R105 Class: Common Stock

MARSHALL WACE, LLP's Holding History (CIK: 0001318757)

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

Q3 2025

Shares 65,085 Value ($000) $2,035 Avg Close $31.30 Range $27.62 - $34.25

Q2 2025

Shares 76,301 Value ($000) $2,249 Avg Close $26.32 Range $21.30 - $29.72

Q1 2025

Shares 101,668 Value ($000) $2,362 Avg Close $25.07 Range $22.91 - $28.73

Q1 2023

Shares 40,233 Value ($000) $1,283 Avg Close $36.83 Range $30.31 - $41.40

Q1 2019

Shares 75,556 Value ($000) $2,876 Avg Close $37.24 Range $34.27 - $43.23

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	65,085	$2,035	$31.30	$27.62 - $34.25
Q2 2025	76,301	$2,249	$26.32	$21.30 - $29.72
Q1 2025	101,668	$2,362	$25.07	$22.91 - $28.73
Q1 2023	40,233	$1,283	$36.83	$30.31 - $41.40
Q1 2019	75,556	$2,876	$37.24	$34.27 - $43.23