X0306 4 2019-01-18 0 0001533040 Phio Pharmaceuticals Corp. PHIO 0001285648 CAUWENBERGH GEERT C/O PHIO PHARMACEUTICALS CORP. 257 SIMARANO DRIVE, SUITE 101 MARLBOROUGH MA 01752 1 1 0 0 Chief Executive Officer Common stock, $0.0001 par value 2019-01-18 4 A 0 23729 0.3412 A 285428 D Common stock, $0.0001 par value 450 I By spouse As reported on the Current Report on Form 8-K filed on September 4, 2018 and December 21, 2018, the reporting person has elected to receive a portion of his compensation in stock in lieu of cash. Accordingly, on January 18, 2019, the reporting person received a total of 23,729 shares of common stock from the Company in lieu of $8,096.16 of cash compensation, which includes base salary, that was payable on such date. Caitlin Kontulis, attorney-in-fact 2019-01-22