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These shares were sold in multiple transactions at prices ranging from $35.75 to $35.78, 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":39795,"source":{"system":"sec-edgar","filing":"0001437749-21-008758","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/834365/000143774921008758/rdgdoc.xml","form_type":"4"}},{"id":2807417,"issuer":{"id":4614,"kind":"organization","name":"BIOLIFE SOLUTIONS INC","symbol":"BLFS"},"owners":[{"id":110156,"kind":"person","name":"Schulz Marcus","position":1,"cik":"0001812702","reported_name":"Schulz Marcus","relationship":{"officer":true,"officer_title":"Chief Revenue Officer"}}],"security":"Common Stock","published_at":"2021-03-06T01:01:11.000Z","date":"2021-02-12","kind":"sale","acquired":false,"shares":2000,"price":41.01,"value":82020.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"This Form 4/A is being filed to amend the Form 4 originally filed by the reporting person on February 16, 2021 solely to correct the transaction date in Column 2 on Table I. 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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":"F2","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."}],"balance_after":2912,"derivative":{"exercise_price":0,"underlying":"Common Stock","underlying_shares":2912},"source":{"system":"sec-edgar","filing":"0001437749-21-003515","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/834365/000143774921003515/rdgdoc.xml","form_type":"4"}},{"id":2847685,"issuer":{"id":4614,"kind":"organization","name":"BIOLIFE SOLUTIONS INC","symbol":"BLFS"},"owners":[{"id":110156,"kind":"person","name":"Schulz Marcus","position":1,"cik":"0001812702","reported_name":"Schulz Marcus","relationship":{"officer":true,"officer_title":"Chief Revenue Officer"}}],"security":"Common Stock","published_at":"2021-02-20T01:01:19.000Z","date":"2021-02-08","kind":"grant","acquired":true,"shares":2912,"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. 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