Clearfield, Inc. Quarterly report [Sections 13 or 15(d)]

Quarterly report [Sections 13 or 15(d)]

Insider Trading Arrangements

Insider Trading Arrangements	3 Months Ended	6 Months Ended
Insider Trading Arrangements	Mar. 31, 2026 shares	Mar. 31, 2026 shares
Trading Arrangements, by Individual [Table]
Material Terms of Trading Arrangement [Text Block]		ITEM 5. OTHER INFORMATION On December 15, 2025, Cheryl Beranek, President and Chief Executive Officer, adopted a trading plan (with a first possible trade date of April 1, 2026) intended to satisfy Rule 10b5-1(c) to sell up to 180,000 shares of Clearfield, Inc. common stock over a period ending on September 30, 2027, subject to certain conditions.
Trading Arrangement Adoption Date	December 15, 2025
Trading Arrangement, Individual Name	Cheryl Beranek
Trading Arrangement, Individual Title	President and Chief Executive Officer
Rule 10b5-1 Arrangement Adopted [Flag]	true
Non-Rule 10b5-1 Arrangement Adopted [Flag]	false
Rule 10b5-1 Arrangement Terminated [Flag]	false
Non-Rule 10b5-1 Arrangement Terminated [Flag]	false
Trading Arrangement, Securities Aggregate Available Amount	180,000	180,000