Quick Takeaways
- MAIRS & POWER INC filed SCHEDULE 13G/A for TENNANT COMPANY Common Stock, par value $0.375 per share (TNC).
- Disclosed ownership: 4.4%.
- Date of event: 31 Mar 2026.
MAIRS & POWER INC - 31 Mar 2026 SCHEDULE 13G/A Report for TENNANT COMPANY Common Stock, par value $0.375 per share (TNC)
- Filing Manager
- MAIRS & POWER INC
- Reporting Manager
- Mairs and Power, Inc.
- Symbol
- TNC
- Shares outstanding
- 17,952,159 shares
- Disclosed Ownership
- 789,895 shares
- Ownership
- 4.4%
- Form type
- SCHEDULE 13G/A
- Filing time
- 13 May 2026, 10:42:57 UTC
- Date of event
- 31 Mar 2026
- Previous filing
- 17 Feb 2026
- SEC
- View on sec.gov
Quoteable Key Fact
"MAIRS & POWER INC disclosed 4.4% ownership in TENNANT COMPANY Common Stock, par value $0.375 per share (TNC) on 31 Mar 2026."
What Changed
- Previous schedule filing date: 17 Feb 2026.
- Current filing was accepted on 13 May 2026, 10:42.
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
See Original Filing
Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.
Reporting Managers (1)
| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Mairs and Power, Inc. | 4.4% | 789,895 | 789,760 | 0 | Brent M. Williams | Brent M. Williams, CCO |