F-star Therapeutics (FSTX) 8-K F-star Therapeutics Completes Combination with Spring Bank Pharmaceuticals

Exhibit 16.1

November 20, 2020

Securities and Exchange Commission

Washington, D.C. 20549

Commissioners:

We have read Spring Bank Pharmaceuticals, Inc.’s statements included under Item 4.01(a) of its Form 8-K filed on November 20, 2020 and we agree with such statements concerning our firm.

/s/ RSM US LLP