MAIRS & POWER INC - 31 Mar 2025 SCHEDULE 13G Report for CLEARFIELD, INC. Common Stock, $0.01 par value (CLFD)

Filing Manager
MAIRS & POWER INC
Reporting Manager
Mairs and Power, Inc.
Security
CLEARFIELD, INC. Common Stock, $0.01 par value
Symbol
CLFD
Shares outstanding
14,133,582 shares
Disclosed Ownership
852,255 shares
Ownership
6%
Form type
SCHEDULE 13G
Filing time
15 May 2025, 15:56:03 UTC
Date of event
31 Mar 2025
SEC
View on sec.gov

Quoteable Key Fact

"MAIRS & POWER INC disclosed 6% ownership in CLEARFIELD, INC. Common Stock, $0.01 par value (CLFD) on 31 Mar 2025."

Quick Takeaways

  • MAIRS & POWER INC filed SCHEDULE 13G for CLEARFIELD, INC. Common Stock, $0.01 par value (CLFD).
  • Disclosed ownership: 6%.
  • Date of event: 31 Mar 2025.

What Changed

  • No earlier schedule filing is available for direct comparison.
  • Current filing was accepted on 15 May 2025, 15:56.

Why This Matters

  • This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
  • You can verify ownership claims directly against the original SEC filing.

Source Evidence

Backed by Schedule 13D/13G

Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.

See Original Filing

Reporting Managers (1)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Mairs and Power, Inc. 6% 852,255 851,215 0 Robert W. Mairs Robert W. Mairs, CCO
We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. Here you can make detailed settings or revoke your consent (in part if necessary) with effect for the future. For further information, please refer to our Privacy Policy .