X0306 4 2021-10-14 0001375195 CORETEC GROUP INC. CRTG 0001223065 KEEN VICTOR F C/O THE CORETEC GROUP INC. 333 JACKSON PLAZA, SUITE 1200 ANN ARBOR, MI 48103 1 1 Co-Chairman Common Stock 2021-10-14 4 S 0 18461 0.072 D 3874753 I By Carlton James Ltd Common Stock 2021-10-15 4 S 0 36690 0.067 D 3838063 I By Carlton James Ltd Common Stock 2021-10-18 4 S 0 37934 0.068 D 3800129 I By Carlton James Ltd On October 14, 2021, Carlton James Ltd. sold an aggregate of 125,791 shares of common stock in open market transactions at a price per share equal to $0.072383, reducing Mr. Keen's pecuniary interest in the shares held by Carlton James Ltd. by 18,461 shares. Represents Reporting Person's pecuniary interest in shares sold and held by Carlton James Ltd. On October 15, 2021, Carlton James Ltd. sold an aggregate of 250,000 shares of common stock in open market transactions at a price per share equal to $0.067584, reducing Mr. Keen's pecuniary interest in the shares held by Carlton James Ltd. by 36,690 shares. On October 18, 2021, Carlton James Ltd. sold an aggregate of 258,479 shares of common stock in open market transactions at a price per share equal to $0.0682, reducing Mr. Keen's pecuniary interest in the shares held by Carlton James Ltd. by 37,934 shares. /s/ Victor F. Keen 2021-10-18