August 24, 2020
VIA FACSIMILE AND EDGAR
U.S. Securities and Exchange Commission
Division of Corporation Finance
Washington, DC 20549
| Re: |
Sun BioPharma, Inc. Registration Statement on Form S-1 (Registration No. 333-239661) Concurrence in Acceleration Request |
Ladies and Gentlemen:
Craig-Hallum Capital Group LLC (“Craig-Hallum”), as managing underwriter for the referenced offering, hereby concurs in the request by Sun BioPharma, Inc. that the effective date of the above-referenced registration statement be accelerated to 5:00 P.M. Eastern Time on Wednesday, August 26, 2020, or as soon as practicable thereafter, pursuant to Rule 461 under the Securities Act. Craig-Hallum affirms that it is aware of its obligations under the Securities Act in connection with this offering.
| Very truly yours, | |||
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CRAIG-HALLUM CAPITAL GROUP LLC |
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By: |
/s/ Rick Hartfiel |
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Name: Rick Hartfiel |
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Title: Director of Investment Banking |
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