Key facts
- This page summarizes Donal L. Mulligan's Form 4 filing for TENNANT CO (TNC).
- 3 reported transactions and 1 derivative row are listed below.
- Accepted by SEC: 16 Apr 2026, 16:15.
Donal L. Mulligan - 14 Apr 2026 Form 4 Insider Report for TENNANT CO (TNC)
- Reporting relationship
- Director
- Issuer ticker
- TNC
- Reported as of
- 14 Apr 2026
- Net transaction value
- $0
- SEC form
- 4
- Accepted by SEC
- 16 Apr 2026, 16:15:20 UTC
- Prior SEC filing
- 02 Mar 2026
- Next SEC filing
- 11 May 2026
- Source filing
- View source filing
- Reporting owner signature
- /s/ Kristin A. Erickson on behalf of Donal L. Mulligan
Source evidence
Original filing metadata and source links for verification.
5 source fields
Reporting owner
1 detail
Key filing fact
Donal L. Mulligan filed Form 4 for TENNANT CO (TNC) on 16 Apr 2026.
Change
- Previous filing in this sequence was filed on 02 Mar 2026.
- Current net transaction value: $0.
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
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (1)
CIK 0001406019
Primary reporting owner
Mulligan Donal L
- Relationship
- Director
- Address
- 10400 CLEAN STREET, EDEN PRAIRIE
- Signature
- /s/ Kristin A. Erickson on behalf of Donal L. Mulligan
- Signature date
- 16 Apr 2026
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
TNC
transaction
Common Stock
Options Exercise
- Transaction value
- Shares
- +3,538
- Change %
- +18%
- Price
- $54.70*
- Shares after
- 23,141
- Date
- 14 Apr 2026
- Ownership
- Direct
TNC
transaction
Common Stock
Tax liability
- Transaction value
- Shares
- -2,456
- Change %
- -11%
- Price
- $78.81*
- Shares after
- 20,685
- Date
- 14 Apr 2026
- Ownership
- Direct
TNC
holding
Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 8,000
- Date
- 14 Apr 2026
- Ownership
- By trust for spouse
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
- Shares
- -3,538
- Change %
- -100%
- Price
- $0.000000*
- Shares after
- 0
- Date
- 14 Apr 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 3,538
- Exercise price
- $54.70
- Footnotes
- F1
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 1 footnote
Footnote F1
Fully vested.