DEFINITIVE HEALTHCARE CORP

Ticker: DH CUSIP: 24477E103 Class: Common Stock

Advisors Asset Management, Inc.'s Holding History (CIK: 0001297376)

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

Q4 2025

Shares 898 Value ($000) $3 Avg Close $2.77 Range $2.23 - $4.02

Q3 2025

Shares 906 Value ($000) $27 Avg Close $3.99 Range $3.44 - $4.70

Q2 2025

Shares 918 Value ($000) $4 Avg Close $3.15 Range $2.15 - $4.34

Q1 2025

Shares 337 Value ($000) $1 Avg Close $4.06 Range $2.54 - $5.68

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	898	$3	$2.77	$2.23 - $4.02
Q3 2025	906	$27	$3.99	$3.44 - $4.70
Q2 2025	918	$4	$3.15	$2.15 - $4.34
Q1 2025	337	$1	$4.06	$2.54 - $5.68