David Windley - 26 Feb 2026 Form 4 Insider Report for TENNANT CO (TNC)

Reporting relationship: Director
Issuer ticker: TNC
Reported as of: 26 Feb 2026
Net transaction value: -$5,309
SEC form: 4
Accepted by SEC: 02 Mar 2026, 17:37:19 UTC
Prior SEC filing: 08 May 2025
Next SEC filing: 11 May 2026
Source filing: View source filing
Reporting owner signature: /s/ Kristin A. Erickson on behalf of David Windley

Key filing fact

David Windley filed Form 4 for TENNANT CO (TNC) on 02 Mar 2026.

Key facts

This page summarizes David Windley's Form 4 filing for TENNANT CO (TNC).
5 reported transactions and 2 derivative rows are listed below.
Accepted by SEC: 02 Mar 2026, 17:37.

Change

Previous filing in this sequence was filed on 08 May 2025.
Current net transaction value: -$5,309.

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 0001667346 Primary reporting owner

Windley David

Relationship: Director
Address: 10400 CLEAN STREET, EDEN PRAIRIE
Signature: /s/ Kristin A. Erickson on behalf of David Windley
Signature date: 02 Mar 2026

Reported non-derivative transactions

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

TNC transaction

Common Stock

Options Exercise

Transaction value: $37,061
Shares: +707
Change %: +10%
Price: $52.42
Shares after: 7,578
Date: 26 Feb 2026
Ownership: Direct

TNC transaction

Common Stock

Options Exercise

Transaction value: $193,529
Shares: +3,538
Change %: +47%
Price: $54.70
Shares after: 11,116
Date: 26 Feb 2026
Ownership: Direct

TNC transaction

Common Stock

Sale

Transaction value: $235,899
Shares: -3,694
Change %: -33%
Price: $63.86
Shares after: 7,422
Date: 26 Feb 2026
Ownership: Direct
Footnotes: F1

Reported derivative securities

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

TNC transaction Derivative

Stock Option (right to buy)

Options Exercise

Transaction value: $0
Shares: -707
Change %: -100%
Price: $0.000000
Shares after: 0
Date: 26 Feb 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 707
Exercise price: $52.42
Footnotes: F2

TNC transaction Derivative

Stock Option (right to buy)

Options Exercise

Transaction value: $0
Shares: -3,538
Change %: -100%
Price: $0.000000
Shares after: 0
Date: 26 Feb 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 3,538
Exercise price: $54.70
Footnotes: F2

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

The sale of shares reported on this Form 4 was effected to cover the taxes due upon the reporting person's exercise of stock options expiring in the near term, with the reporting person retaining the net shares.

Footnote F2

Fully vested.