X0306 4/A 2020-01-08 2020-01-08 0000834365 BIOLIFE SOLUTIONS INC BLFS 0001241181 DE GREEF RODERICK C/O BIOLIFE SOLUTIONS, INC. 3303 MONTE VILLA PARKWAY, SUITE 310 BOTHELL WA 98021 1 CFO & COO Common Stock 2020-01-08 4 M 0 10000 1.8099 A 35859 D Employee Stock Option 1.8099 2020-01-08 4 M 0 10000 0 D 2026-05-03 Common Stock 10000 104000 D Employee Stock Option 1.7600 2026-03-04 Common Stock 30000 30000 D This Form 4/A is being filed to amend the Form 4 filed by the reporting person on January 8, 2020 to (i) attribute the stock option exercise that occurred on January 8, 2020 to the correct Employee Stock Option and (ii) include the appropriate price in column 4 of Table I representing the exercise price of such Employee Stock Option. The stock option vests 25% on the first anniversary of the grant date, and in 36 equal monthly installments thereafter. The stock option vests 25% on the first anniversary of the grant date and thereafter, in 36 equal monthly installments. Such options shall continue to vest regardless of whether Mr. de Greef's service with the Company continues /s/ Roderick de Greef 2020-02-07