BioLife Solutions (BLFS)2600 contracts of September 40 puts trade

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BIOLIFE SOLUTIONS (NASDAQ: BLFS) Delayed: 37.00 -0.22 (0.59%)
Previous Close $37.22    52 Week High $3.58 
Open $37.16    52 Week Low $1.43 
Day High $37.51    P/E N/A 
Day Low $36.95    EPS $0.00 
Volume 815,984