TNC insider buying and SEC filings, explained
Tennant Co. · CIK 97134
Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov
Company profile
- Exchanges
- NYSE
- Industry (SIC)
- Refrigeration & Service Industry Machinery
- State of incorporation
- MN
- Fiscal year end
- Dec 31
Insider activity in the last 12 months
Bought
$2.1M
Insiders who bought
5
Sold (not marked 10b5-1)
$605K
Planned sales (10b5-1)
$0
Insider purchases and sales, last 12 months
| Traded | Type | What was filed | Source |
|---|---|---|---|
| Aug 31, 2026 | Purchase (code P) | Patrick E. Allen (Director) bought 3,000 shares at about $69.42 ($208K), reported as a purchase (code P). Holdings up 156% to 4,927 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Sep 23, 2026 |
| Aug 12, 2026 | Purchase (code P) | Donal L Mulligan (Director) bought 8,000 shares indirectly (by trust) at $67.34 ($539K), reported as a purchase (code P). Holdings by trust up 100% to 16,000 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Aug 13, 2026 |
| Aug 12, 2026 | Purchase (code P) | Timothy R. Morse (Director) bought 1,500 shares at $68.18 ($102K), reported as a purchase (code P). Holdings up 16% to 10,614 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Aug 13, 2026 |
| May 7, 2026 | Sale | Richard H. Zay (Chief Commercial Officer) sold 6,875 shares at about $88.02 ($605K). Holdings down 20% to 27,518 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed May 11, 2026 |
| Mar 2, 2026 | Purchase (code P) | James T Glerum Jr. (Director) bought 8,163 shares at about $61.25 ($500K), reported as a purchase (code P). Holdings up 999%+ to 8,600 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 2, 2026 |
| Feb 26–27, 2026 | Purchase (code P) | Donal L Mulligan (Director) bought 8,000 shares indirectly (by trust) between Feb 26 and Feb 27 at about $63.02 ($504K), reported as a purchase (code P). New position of 8,000 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 2, 2026 |
| Feb 26, 2026 | Purchase (code P) | David W. Huml (CEO and Director) bought 4,000 shares at about $64.39 ($258K), reported as a purchase (code P). Holdings up 6% to 67,958 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 2, 2026 |
35 routine transactions (such as grants, option exercises or tax withholding) are not listed.
Cluster buys
2 insiders bought in 30 days
$641K in purchases since Aug 12, 2026 · Purchases traded Aug 12, 2026 to Aug 12, 2026 · Closed
| Insider | Value | Traded | Source |
|---|---|---|---|
| Timothy R. Morse (Director) | $102K | Aug 12, 2026 | SEC filing |
| Donal L Mulligan (Director) | $539K | Aug 12, 2026 | SEC filing |
3 insiders bought in 30 days
$1.3M in purchases since Feb 26, 2026 · Purchases traded Feb 26, 2026 to Mar 2, 2026 · Closed
| Insider | Value | Traded | Source |
|---|---|---|---|
| David W. Huml (CEO) | $258K | Feb 26, 2026 | SEC filing |
| Donal L Mulligan (Director) | $504K | Feb 27, 2026 | SEC filing |
| James T Glerum Jr. (Director) | $500K | Mar 2, 2026 | SEC filing |
Red flags
No red flags in the last 12 months.
Key events
No key events in the last 12 months.
8-K filings, last 12 months
| Filed | Items | Tag | Source |
|---|---|---|---|
| Nov 2, 2026, 4:34 PM ET 8-K | Earnings released (Item 2.02) | SEC filing |
Red flags are objective triggers only: the item or form filed, never an opinion.
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