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The reporting person undertakes to provide to the registrant, any security holder of the registrant, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range."}],"balance_after":179132,"source":{"system":"sec-edgar","filing":"0001437749-21-007228","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/834365/000143774921007228/rdgdoc.xml","form_type":"4"}},{"id":2772473,"issuer":{"id":4614,"kind":"organization","name":"BIOLIFE SOLUTIONS INC","symbol":"BLFS"},"owners":[{"id":36550,"kind":"person","name":"DE GREEF RODERICK","position":1,"cik":"0001241181","reported_name":"DE GREEF RODERICK","relationship":{"officer":true,"officer_title":"CFO & COO"}}],"security":"Common Stock","published_at":"2021-03-26T00:03:30.000Z","date":"2021-03-24","kind":"exercise","acquired":true,"shares":10000,"price":1.81,"value":18100.0,"ownership":{"direct":true},"balance_after":189132,"source":{"system":"sec-edgar","filing":"0001437749-21-007228","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/834365/000143774921007228/rdgdoc.xml","form_type":"4"}},{"id":2772472,"issuer":{"id":4614,"kind":"organization","name":"BIOLIFE SOLUTIONS INC","symbol":"BLFS"},"owners":[{"id":36550,"kind":"person","name":"DE GREEF RODERICK","position":1,"cik":"0001241181","reported_name":"DE GREEF RODERICK","relationship":{"officer":true,"officer_title":"CFO & COO"}}],"security":"Common Stock","published_at":"2021-03-26T00:03:30.000Z","date":"2021-03-23","kind":"sale","acquired":false,"shares":10000,"price":41.83,"value":418300.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person effective as of November 17, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $38.3 to $46.63, inclusive. The reporting person undertakes to provide to the registrant, any security holder of the registrant, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range."}],"balance_after":179132,"source":{"system":"sec-edgar","filing":"0001437749-21-007228","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/834365/000143774921007228/rdgdoc.xml","form_type":"4"}},{"id":2772471,"issuer":{"id":4614,"kind":"organization","name":"BIOLIFE SOLUTIONS INC","symbol":"BLFS"},"owners":[{"id":36550,"kind":"person","name":"DE GREEF RODERICK","position":1,"cik":"0001241181","reported_name":"DE GREEF RODERICK","relationship":{"officer":true,"officer_title":"CFO & COO"}}],"security":"Common Stock","published_at":"2021-03-26T00:03:30.000Z","date":"2021-03-23","kind":"exercise","acquired":true,"shares":10000,"price":1.81,"value":18100.0,"ownership":{"direct":true},"balance_after":189132,"source":{"system":"sec-edgar","filing":"0001437749-21-007228","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/834365/000143774921007228/rdgdoc.xml","form_type":"4"}},{"id":2847672,"issuer":{"id":4614,"kind":"organization","name":"BIOLIFE SOLUTIONS INC","symbol":"BLFS"},"owners":[{"id":36550,"kind":"person","name":"DE GREEF RODERICK","position":1,"cik":"0001241181","reported_name":"DE GREEF RODERICK","relationship":{"officer":true,"officer_title":"CFO & COO"}}],"security":"Restricted Stock Award","published_at":"2021-02-20T01:00:25.000Z","date":"2021-02-08","kind":"grant","acquired":true,"shares":4740,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F4","text":"The restricted stock was granted pursuant to the Plan. The restricted stock will vest as to between 0% and 200% of the reported number of shares in column 5 based on the registrant's total shareholder return during the period beginning on January 1, 2021 through December 31, 2022 as compared to the total shareholder return of certain of the registrant's peers (such peers have been determined by the registrant's compensation committee with assistance of an outside consultant immediately prior to the grant date) and will vest on the date on which the registrant's board of directors determine the total shareholder return for the period."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"The restricted stock was granted pursuant to the Plan. The restricted stock will vest as to between 0% and 200% of the reported number of shares in column 5 based on the registrant's total shareholder return during the period beginning on January 1, 2021 through December 31, 2022 as compared to the total shareholder return of certain of the registrant's peers (such peers have been determined by the registrant's compensation committee with assistance of an outside consultant immediately prior to the grant date) and will vest on the date on which the registrant's board of directors determine the total shareholder return for the period."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"The restricted stock was granted pursuant to the Plan. 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In accordance with the terms of the grant, the restricted stock vested as to 200% of the reported number of shares reported in the reporting person's Form 4 reporting the grant based on the registrant's total shareholder return during the period beginning on January 1, 2019 through December 31, 2020 as compared to the total shareholder return of 20 of the registrant's peers (such peers have been determined by the registrant's compensation committee with assistance of an outside consultant immediately prior to the grant date)."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The reporting person was granted restricted stock pursuant to the Plan on February 25, 2019. In accordance with the terms of the grant, the restricted stock vested as to 200% of the reported number of shares reported in the reporting person's Form 4 reporting the grant based on the registrant's total shareholder return during the period beginning on January 1, 2019 through December 31, 2020 as compared to the total shareholder return of 20 of the registrant's peers (such peers have been determined by the registrant's compensation committee with assistance of an outside consultant immediately prior to the grant date)."}],"balance_after":192585,"source":{"system":"sec-edgar","filing":"0001437749-21-003512","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/834365/000143774921003512/rdgdoc.xml","form_type":"4"}},{"id":2847667,"issuer":{"id":4614,"kind":"organization","name":"BIOLIFE SOLUTIONS INC","symbol":"BLFS"},"owners":[{"id":36550,"kind":"person","name":"DE GREEF RODERICK","position":1,"cik":"0001241181","reported_name":"DE GREEF RODERICK","relationship":{"officer":true,"officer_title":"CFO & COO"}}],"security":"Common Stock","published_at":"2021-02-20T01:00:25.000Z","date":"2021-02-08","kind":"grant","acquired":true,"shares":4740,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The restricted stock was granted pursuant to the BioLife Solutions 2013 Performance Incentive Plan (the \"Plan\") and vests 25% on the first anniversary of the grant date and thereafter quarterly, in 12 equal quarterly installments. The restricted stock was granted to the reporting person as part of 2021 compensation."}],"balance_after":161033,"source":{"system":"sec-edgar","filing":"0001437749-21-003512","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/834365/000143774921003512/rdgdoc.xml","form_type":"4"}}],"next_cursor":"2021-02-20T01:00:25.000000Z,2847667"}