HARVARD BIOSCIENCE INC

Ticker: HBIO CUSIP: 416906105 Class: COM

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

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

Q4 2025
Shares 25,513 Value ($000) $17 Avg Close $0.59 Range $0.38 - $0.94
Q3 2025
Shares 1,813 Value ($000) $1 Avg Close $0.47 Range $0.39 - $0.64
Q2 2025
Shares 4,813 Value ($000) $2 Avg Close $0.42 Range $0.28 - $0.95
Q1 2025
Shares 400 Value ($000) $0 Avg Close $1.28 Range $0.56 - $2.28
Q4 2024
Shares 200 Value ($000) $0 Avg Close $2.30 Range $1.95 - $2.82
Q4 2021
Shares 300 Value ($000) $2 Avg Close $7.11 Range $6.36 - $8.23
Q3 2021
Shares 300 Value ($000) $2 Avg Close $7.96 Range $6.93 - $8.75
Q3 2015
Shares 1,000 Value ($000) $4 Avg Close $4.65 Range $3.65 - $5.76
Q2 2015
Shares 1,000 Value ($000) $6 Avg Close $5.69 Range $4.17 - $6.84
Q4 2013
Shares 21,212 Value ($000) $100 Avg Close $4.37 Range $3.73 - $5.15
Q3 2013
Shares 81,765 Value ($000) $430 Avg Close $3.93 Range $3.50 - $4.50
Q2 2013
Shares 12,611 Value ($000) $60 Avg Close $3.83 Range $3.39 - $4.39