Sec Form 4 Filing - GIRSCHWEILER THOMAS @ BIOLIFE SOLUTIONS INC - 2019-01-17

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person GIRSCHWEILER THOMAS 2. Issuer Name and Ticker or Trading Symbol BIOLIFE SOLUTIONS INC [ BLFS] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director X __ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) C/O BIOLIFE SOLUTIONS, INC., 3303 MONTE VILLA PARKWAY, SUITE 310 3. Date of Earliest Transaction (MM/DD/YY) 01/17/2019 (Street) BOTHELL, WA98021 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) _____ Form filed by One Reporting Person __ X __ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 01/17/2019 M 10,714 A $ 1.261 1,535,391 I By Taurus4757 GmbH ( 1 ) Common Stock 10/04/2019 S 162,760 D $ 15.36 1,372,631 I By Taurus4757 GmbH Common Stock 05/13/2020 X( 2 ) 1,544,194 A $ 4.75 2,916,825 I By Taurus4757 GmbH Common Stock 05/13/2020 S( 2 ) 492,277 D $ 14.9 2,424,548 I By Taurus4757 GmbH Common Stock 05/22/2020 S 476,191 D $ 10.5 1,948,357 I By Taurus4757 GmbH

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expi ration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares Stock Option (Right to Buy) $ 1.261 01/17/2019 M 10,714 02/27/2010 02/26/2019 Common Stock 10,714 $ 0 0 D Warrants (Right to Buy) $ 4.75 05/13/2020 X( 2 ) 1,544,194 03/25/2014 03/25/2021 Common Stock 1,544,194 ( 3 ) 0 I By Taurus4757 GmbH

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other GIRSCHWEILER THOMAS C/O BIOLIFE SOLUTIONS, INC. 3303 MONTE VILLA PARKWAY, SUITE 310 BOTHELL, WA98021 X X Taurus4757 GmbH ROOSSTRASSE 53 CH-8832 WOLLERAU ZURICH, V8CH-8057 X Signatures /s/ Thomas Girschweiler 06/03/2020 Signature of Reporting Person Date

Explanation of Responses:

( 1 )The shares of common stock, par value $0.001 per share (the "Common Stock") were issued to Taurus457 GmbH ("Taurus"), an entity wholly owned by Thomas Girschweiler (together with Taurus, the "reporting person") a director and 10% shareholder of Biolife Solutions, Inc. (the "Company"), upon exercise of the warrants held by the reporting person. ( 2 )On May 13, 2020, the reporting person exercised an in-the-money warrant to purchase 1,544,194 shares of Common Stock of the Company for $4.75 per share pursuant to Rule 16b-6 under the Securities Exchange Act of 1934, as amended. The reporting person exercised the warrant on a cashless basis pursuant to the terms of the warrant, resulting in the Company's withholding of 492,277 of the warrant shares to pay the exercise price and issuing to the reporting person the remaining 1,051,197 shares. ( 3 )The warrants were issued to Taurus in March 2014 in connection with conversion of outstanding promissory notes and interest accrued thereon for units consisting of common stock and warrants.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

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