🕵️ Tennant Co ($TNC)
SEC insider & ownership activity, last 12 months · CIK 97134 · every row links its SEC filing
Over the last 12 months insiders sold $1.2M against $1.9M of open-market buying. Donal L. Mulligan bought $1.0M in discretionary trades (Feb–Aug). No red-flag 8-Ks in the window.
Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
4 buyers, $1.9M (8 lots) · 4 sellers, $1.2M (4 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Donal L. Mulligan | 3 | $1.0M | 0 | – | Aug 12, 2026 |
| Richard Zay | 0 | – | 1 | $605K | May 7, 2026 |
| James T. Glerum Jr. | 1 | $500K | 0 | – | Mar 2, 2026 |
| David W. Huml | 3 | $258K | 0 | – | Feb 26, 2026 |
| Windley David | 0 | – | 1 | $236K | Feb 26, 2026 |
| Carol Eicher | 0 | – | 1 | $194K | Feb 26, 2026 |
| Azita Arvani | 0 | – | 1 | $194K | Feb 27, 2026 |
| Timothy R. Morse | 1 | $102K | 0 | – | Aug 12, 2026 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| BlackRock, Inc. | 15.0% | 13G | Apr 28, 2025 | filing ↗ | |
| AllianceBernstein L.p. | 7.1% | 13G | Aug 14, 2026 | filing ↗ | |
| Vanguard Portfolio Management | 6.6% | 13G | Apr 29, 2026 | filing ↗ | |
| FMR LLC | 5.8% | 13G | Aug 6, 2026 | filing ↗ | |
| Abigail P. Johnson | 5.8% | 13G | Aug 6, 2026 | filing ↗ | |
| Vanguard Capital Management | 5.3% | 13G | Apr 30, 2026 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| Richard Zay | $605K | May 7, 2026 | filing ↗ |
| Azita Arvani | $31K | Feb 27, 2026 | filing ↗ |
| David A. Windley | $236K | Feb 26, 2026 | filing ↗ |
| Carol Eicher | $194K | Feb 26, 2026 | filing ↗ |
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Earnings (2.02) | Aug 5, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Aug 5, 2026 | filing ↗ |
| Officer/director changes (5.02) | Jul 27, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jul 27, 2026 | filing ↗ |
| Officer/director changes (5.02) | Jun 17, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jun 17, 2026 | filing ↗ |
| Earnings (2.02) | May 4, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 4, 2026 | filing ↗ |
| Shareholder vote (5.07) | Apr 29, 2026 | filing ↗ |
| Officer/director changes (5.02) | Feb 26, 2026 | filing ↗ |
| Earnings (2.02) | Feb 23, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 23, 2026 | filing ↗ |
| Material agreement (1.01) | Feb 12, 2026 | filing ↗ |
| Officer/director changes (5.02) | Feb 12, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Feb 12, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 12, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Feb 3, 2026 | filing ↗ |
| Earnings (2.02) | Nov 3, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Nov 3, 2025 | filing ↗ |