X0306 4 2023-01-10 0 0000740664 R F INDUSTRIES LTD RFIL 0001930032 Bibisi Ray Michael 7610 MIRAMAR RD BLDG 6000 SAN DIEGO CA 92126 0 1 0 0 Chief Operating Officer Common Stock 2023-01-10 4 F 0 75 5.46 D 11991 D Common Stock 2023-01-11 4 A 0 5455 0 A 17446 D Stock Option (right to buy) 5.59 2023-01-11 4 A 0 10909 0 A 2033-01-10 Common Stock 10909 10909 D On January 11, 2023, the Board of Directors of the Issuer granted the Reporting Person options to purchase the common stock of Issuer. Provided the Reporting Person is still employed with the Issuer or its subsidiaries on the following dates, the options shall vest over four years as follows: (i) one-quarter of the options shall vest on January 11, 2024; and (ii) the remaining options shall vest in twelve equal quarterly installments over the next three years, commencing with the first quarter following January 11, 2024. /s/ Ray Michael Bibisi 2023-01-12