HUDSON TECHNOLOGIES INC

Ticker: HDSN CUSIP: 444144109 Class: Common Stock

Saturna Capital CORP's Holding History (CIK: 0001316617)

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

Q3 2017
Shares 6,464 Value ($000) $50 Avg Close $8.66 Range $7.58 - $10.40
Q4 2015
Shares 6,464 Value ($000) $19 Avg Close $3.09 Range $2.69 - $3.56
Q3 2015
Shares 41,983 Value ($000) $125 Avg Close $3.15 Range $2.45 - $3.58
Q2 2015
Shares 41,983 Value ($000) $139 Avg Close $3.98 Range $3.40 - $4.75
Q1 2015
Shares 41,983 Value ($000) $175 Avg Close $3.81 Range $3.35 - $4.56
Q4 2014
Shares 41,983 Value ($000) $158 Avg Close $3.69 Range $2.86 - $4.80
Q3 2014
Shares 68,041 Value ($000) $225 Avg Close $3.02 Range $2.60 - $3.59
Q2 2014
Shares 68,041 Value ($000) $197 Avg Close $2.93 Range $2.55 - $3.40
Q1 2014
Shares 16,979 Value ($000) $48 Avg Close $3.32 Range $2.68 - $4.00
Q4 2013
Shares 8,179 Value ($000) $30 Avg Close $2.46 Range $1.75 - $3.72
Q3 2013
Shares 8,179 Value ($000) $17 Avg Close $2.14 Range $1.76 - $3.26
Q2 2013
Shares 8,046 Value ($000) $26 Avg Close $3.65 Range $3.11 - $4.45