TNC Tennant Company
Tennant Company (TNC) Insider Activity
What the officers, directors and large holders did with their own shares. Only open-market purchases and sales count toward the totals — grants, option exercises and shares withheld for tax are compensation mechanics, not decisions, and they're listed separately below.
How much of that selling was preplanned? 0% planned / 100% discretionary
Largest single sale: $605.1K.
Where they traded
Last open-market purchase: August 12, 2026 , by Morse Timothy R. .
Recent open-market activity
| Date | Insider | Role | Action | Shares | Price | Value | Held after |
|---|---|---|---|---|---|---|---|
| Mulligan Donal L | Director | Buy | 8,000 | $67.34 | $538.7K | 16,000 | |
| Morse Timothy R. | Director | Buy | 1,500 | $68.18 | $102.3K | 10,614 | |
| Zay Richard H. | CHIEF COMMERCIAL OFFICER | Sell | 6,875 | $88.02 | $605.1K | 27,518 −20% of holding | |
| Glerum James T Jr. | Director | Buy | 8,163 | $61.25 | $500.0K | 8,600 | |
| Arvani Azita | Director | Sell | 3,156 | $61.40 | $193.8K | 17,435 −15.3% of holding | |
| Mulligan Donal L | Director | Buy | 3,000 | $61.61 | $184.8K | 8,000 | |
| Mulligan Donal L | Director | Buy | 5,000 | $63.86 | $319.3K | 5,000 | |
| Huml David W. 3 fills | PRESIDENT AND CEO | Buy | 4,000 | $64.39 | $257.6K | 67,958 | |
| Windley David | Director | Sell | 3,694 | $63.86 | $235.9K | 7,422 −33.2% of holding | |
| EICHER CAROL S | Director | Sell | 3,130 | $61.98 | $194.0K | 28,836 −9.8% of holding |
Form 4s are due within two business days of a transaction, so this is close to real time — unlike the quarterly 13F data on the Institutional tab. A single large sale often reflects a prearranged 10b5-1 plan rather than a fresh view, so read a pattern of sales rather than any one of them.