X0306 4 2019-01-07 0 0000740664 R F INDUSTRIES LTD RFIL 0001281284 FINK MARVIN 7610 MIRAMAR RD. BLDG. 6000 SAN DIEGO CA 92126 1 0 0 0 Common Stock 2019-01-07 4 M 0 1000 4.41 A 78339 D Common Stock 2019-01-07 4 S 0 1000 7.52 D 77339 D Common Stock 2019-01-08 4 M 0 3616 4.41 A 80955 D Common Stock 2019-01-08 4 S 0 3616 7.883 D 77339 D Stock Option (right to buy) 4.41 2019-01-07 4 M 0 1000 0 D 2019-11-19 Common Stock 1000 3616 D Stock Option (right to buy) 4.41 2019-01-08 4 M 0 3616 0 D 2019-11-19 Common Stock 3616 0 D The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $7.67 to $8.00, inclusive. The reporting person undertakes to provide to RF Industries, Ltd., any security holder of RF Industries, Ltd. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnote (1) to this Form 4. Stock Option vests and becomes exercisable in four equal increments over a one-year period on January 31, 2015, April 30, 2015, July 31, 2015 and October 31, 2015. /s/ Tony D. Shin, Attorney-in-Fact 2019-01-09