HARVARD BIOSCIENCE INC

Ticker: HBIO CUSIP: 416906105 Class: COM

PDT Partners, LLC's Holding History (CIK: 0001564702)

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

Q1 2019

Shares 10,400 Value ($000) $45 Avg Close $3.63 Range $2.75 - $4.43

Q4 2018

Shares 13,600 Value ($000) $43 Avg Close $3.94 Range $2.96 - $5.23

Q3 2018

Shares 23,600 Value ($000) $124 Avg Close $5.61 Range $4.86 - $6.70

Q2 2018

Shares 27,500 Value ($000) $147 Avg Close $5.12 Range $4.20 - $6.15

Q1 2018

Shares 30,500 Value ($000) $153 Avg Close $4.48 Range $3.25 - $5.20

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2019	10,400	$45	$3.63	$2.75 - $4.43
Q4 2018	13,600	$43	$3.94	$2.96 - $5.23
Q3 2018	23,600	$124	$5.61	$4.86 - $6.70
Q2 2018	27,500	$147	$5.12	$4.20 - $6.15
Q1 2018	30,500	$153	$4.48	$3.25 - $5.20