X0306 4 2021-01-28 0 0001454789 CATABASIS PHARMACEUTICALS INC CATB 0001843393 Callori Fred C/O CATABASIS PHARMACEUTICALS, INC. 100 HIGH STREET, FLOOR 28 BOSTON MA 02110 1 0 0 0 Stock Option (right to buy) 2.43 2021-01-28 4 A 0 15000 0.00 A 2031-01-27 Common Stock 15000 15000 D This option was granted on January 28, 2021 and is scheduled to vest as to one-third of the common stock underlying the option on each anniversary of the grant date until the third anniversary of the grant date. Exhibit 24 - Power of Attorney. /s/ Benjamin Harshbarger as attorney-in-fact for Frederick P. Callori 2021-02-01