Daniel R. Herzog - 12 Sep 2025 Form 4 Insider Report for Clearfield, Inc. (CLFD)

Reporting relationship: Chief Financial Officer
Issuer ticker: CLFD
Reported as of: 12 Sep 2025
Net transaction value: -$110,740
SEC form: 4
Accepted by SEC: 15 Sep 2025, 14:30:47 UTC
Prior SEC filing: 02 Jul 2025
Next SEC filing: 20 Nov 2025
Source filing: View source filing
Reporting owner signature: Darrell Hammond by Power of Attorney for Daniel Herzog

Key filing fact

Daniel R. Herzog filed Form 4 for Clearfield, Inc. (CLFD) on 15 Sep 2025.

Key facts

This page summarizes Daniel R. Herzog's Form 4 filing for Clearfield, Inc. (CLFD).
6 reported transactions and 2 derivative rows are listed below.
Accepted by SEC: 15 Sep 2025, 14:30.

Change

Previous filing in this sequence was filed on 02 Jul 2025.
Current net transaction value: -$110,740.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001262286 Primary reporting owner

HERZOG DANIEL R

Relationship: Chief Financial Officer
Address: 7050 WINNETKA AVE. N., SUITE 100, BROOKLYN PARK
Signature: Darrell Hammond by Power of Attorney for Daniel Herzog
Signature date: 15 Sep 2025

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

CLFD transaction

Common Stock

Options Exercise

Transaction value: $280,013
Shares: +11,795
Change %: +19%
Price: $23.74
Shares after: 72,779
Date: 12 Sep 2025
Ownership: Direct
Footnotes: F1

CLFD transaction

Common Stock

Tax liability

Transaction value: $314,312
Shares: -9,453
Change %: -13%
Price: $33.25
Shares after: 63,326
Date: 12 Sep 2025
Ownership: Direct

CLFD transaction

Common Stock

Options Exercise

Transaction value: $149,160
Shares: +12,000
Change %: +19%
Price: $12.43
Shares after: 75,326
Date: 12 Sep 2025
Ownership: Direct
Footnotes: F2

CLFD transaction

Common Stock

Tax liability

Transaction value: $225,601
Shares: -6,785
Change %: -9%
Price: $33.25
Shares after: 68,541
Date: 12 Sep 2025
Ownership: Direct

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

CLFD transaction Derivative

Employee Stock Option (Right to buy)

Options Exercise

Transaction value: $0
Shares: +11,795
Change %: +202%
Price: $0.000000
Shares after: 17,632
Date: 12 Sep 2025
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 11,795
Exercise price: $23.74
Footnotes: F3

CLFD transaction Derivative

Employee Stock Option (Right to buy)

Options Exercise

Transaction value: $0
Shares: +12,000
Change %
Price: $0.000000
Shares after: 5,837
Date: 12 Sep 2025
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 12,000
Exercise price: $12.43
Footnotes: F4

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 4 footnotes

Footnote F1

Exercised as options were set to expire on November 16, 2025.

Footnote F2

Exercised as options were set to expire on November 13, 2025.

Footnote F3

The stock option exercised vested in 1/3rd increments beginning 11/16/2021 through 11/16/2023.

Footnote F4

The stock option exercised vested in 1/5th increments beginning 11/13/2020 through 11/13/2024.