Tennant Co (TNC) insider trading
Every open-market stock purchase and sale by Tennant Co executives, directors, large shareholders and members of Congress, from SEC Form 4 filings. Sector: Other.
Insider activity at a glance
- Donal L Mulligan (Insider) and 2 others bought $849K in the last 90 days, more than doubling their stake.
Last 12 months: insiders bought $2.1M (6 buys) and sold $1.2M (4 sales). Last close $67.74 on Sep 25, 2026.
Recent TNC insider trades
| Date | Insider | Trade | Value |
|---|---|---|---|
| Aug 31, 2026 | Patrick E Allen (Insider) | Bought | $208K |
| Aug 12, 2026 | Donal L Mulligan (Insider) | Bought | $539K |
| Aug 12, 2026 | Timothy R. Morse (Insider) | Bought | $102K |
| Aug 10, 2026 | Richard H. Zay (COO) | Bought (not open market) | — |
| Aug 10, 2026 | Patrick W. Schottler (VP) | Bought (not open market) | — |
| May 7, 2026 | Richard H. Zay (C-suite exec) | Sold | $605K |
| May 7, 2026 | Andrew P. Hider (Insider) | Bought (not open market) | — |
| May 7, 2026 | Carol S Eicher (Insider) | Bought (not open market) | — |
| May 7, 2026 | Patrick E Allen (Insider) | Bought (not open market) | — |
| May 7, 2026 | James T Glerum Jr. (Insider) | Bought (not open market) | — |
| May 7, 2026 | Azita Arvani (Insider) | Bought (not open market) | — |
| May 7, 2026 | Maria C Green (Insider) | Bought (not open market) | — |
| May 7, 2026 | Mark W Sheahan (Insider) | Bought (not open market) | — |
| May 7, 2026 | Timothy R. Morse (Insider) | Bought (not open market) | — |
| May 7, 2026 | David Windley (Insider) | Bought (not open market) | — |
| May 7, 2026 | Donal L Mulligan (Insider) | Bought (not open market) | — |
| Apr 14, 2026 | Donal L Mulligan (Insider) | Sold (not open market) | $194K |
| Apr 14, 2026 | Donal L Mulligan (Insider) | Bought (not open market) | — |
| Mar 6, 2026 | David W. Huml (CEO) | Bought (not open market) | — |
| Mar 2, 2026 | James T Glerum Jr. (Insider) | Bought | $500K |
| Feb 28, 2026 | David W. Huml (CEO) | Sold (not open market) | $260K |
| Feb 28, 2026 | Fay West (CFO) | Sold (not open market) | $57.7K |
| Feb 28, 2026 | Richard H. Zay (C-suite exec) | Sold (not open market) | $51.3K |
| Feb 28, 2026 | Kristin A. Erickson (VP) | Sold (not open market) | $31.4K |
| Feb 28, 2026 | Barb Balinski (C-suite exec) | Sold (not open market) | $27.5K |
Who's trading TNC
- Patrick E Allen, Insider: bought $208K (1 buy), last Aug 31, 2026
- Timothy R. Morse, Insider: bought $102K (1 buy), last Aug 12, 2026
- Donal L Mulligan, Insider: bought $1M (3 buys), last Aug 12, 2026
- Richard H. Zay, C-suite exec: sold $605K (1 sale), last Aug 10, 2026
- Patrick W. Schottler, VP: other filings, last Aug 10, 2026
- Carol S Eicher, Insider: sold $194K (1 sale), last May 7, 2026
- Maria C Green, Insider: other filings, last May 7, 2026
- James T Glerum Jr., Insider: bought $500K (1 buy), last May 7, 2026
- Andrew P. Hider, Insider: other filings, last May 7, 2026
- Mark W Sheahan, Insider: other filings, last May 7, 2026
- Azita Arvani, Insider: sold $194K (1 sale), last May 7, 2026
- David Windley, Insider: sold $236K (1 sale), last May 7, 2026
- David W. Huml, CEO: bought $258K (3 buys), last Mar 6, 2026
- Kristin A. Erickson, VP: other filings, last Feb 28, 2026
- Barb Balinski, C-suite exec: other filings, last Feb 28, 2026
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