DEFINITIVE HEALTHCARE CORP

Ticker: DH CUSIP: 24477E103 Class: Common Stock

SIMPLEX TRADING, LLC's Holding History (CIK: 0001488542)

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

Q4 2025
Shares 1,296 Value ($000) $4 Avg Close $2.77 Range $2.23 - $4.02
Q3 2025
Shares 2,925 Value ($000) $0 Avg Close $3.99 Range $3.44 - $4.70
Q2 2025
Shares 5,342 Value ($000) $0 Avg Close $3.15 Range $2.15 - $4.34
Q1 2025
Shares 2,388 Value ($000) $0 Avg Close $4.06 Range $2.54 - $5.68
Q4 2024
Shares 1,046 Value ($000) $0 Avg Close $4.37 Range $4.04 - $4.83
Q3 2024
Shares 197 Value ($000) $0 Avg Close $4.69 Range $3.19 - $6.17
Q2 2024
Shares 608 Value ($000) $0 Avg Close $6.30 Range $4.38 - $8.35
Q4 2023
Shares 2,098 Value ($000) $0 Avg Close $7.85 Range $5.53 - $10.39
Q3 2023
Shares 57 Value ($000) $0 Avg Close $10.05 Range $7.58 - $12.46
Q2 2023
Shares 1,792 Value ($000) $0 Avg Close $10.30 Range $8.71 - $11.99
Q1 2023
Shares 3,190 Value ($000) $0 Avg Close $11.78 Range $9.42 - $14.03
Q2 2022
Shares 209 Value ($000) $4 Avg Close $21.39 Range $14.76 - $26.97