X0609 4 2026-05-08 0 0000796505 Clearfield, Inc. CLFD 0001264406 Beranek Cheryl false 7050 WINNETKA AVE. N. SUITE 100 BROOKLYN PARK MN 55428 1 1 0 0 Chief Executive Officer 1 Common Stock 2026-05-08 4 S 0 5000 40.27 D 507041 D Common Stock 2026-05-11 4 S 0 2500 45.02 D 504541 D The transactions reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 15, 2025. The price in column 4 is the weighted average price. These shares were sold in multiple transactions at prices ranging from $40.00 to $40.63. The reporting person undertakes to provide Clearfield, Inc., any security holder of Clearfield, Inc., or the staff of the Securities and Exchange Commission, upon request, with full information regarding the number of shares sold at each separate price set forth in the footnote. The price in column 4 is the weighted average price. These shares were sold in multiple transactions at prices ranging from $45.00 to $45.15. The reporting person undertakes to provide Clearfield, Inc., any security holder of Clearfield, Inc., or the staff of the Securities and Exchange Commission, upon request, with full information regarding the number of shares sold at each separate price set forth in the footnote. Darrell Hammond by Power of Attorney for Cheryl Beranek 2026-05-12