TENNANT (TNC) stock: insider trades, news & valuation
Industrials · Strong buyingShare price and insider trades
TENNANT insider trading at a glance (Oct 9, 2026): in the past 12 months, 5 insiders bought $2.1M and 4 sold $1.2M of TNC stock on the open market, including a cluster buy that began Feb 26, 2026; P/E 63.4 vs. a sector median of 26.6.
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TNC insider buying and selling by quarter
Open-market purchases (green, above the line) and sales (red, below), by trade date.
| Quarter | Bought | Purchases | Sold | Sales |
|---|---|---|---|---|
| Q4 2026 | — | 0 | — | 0 |
| Q3 2026 | $849K | 3 | — | 0 |
| Q2 2026 | — | 0 | $605K | 1 |
| Q1 2026 | $1.3M | 6 | $624K | 3 |
Valuation, profit and volume
Pick score 39/100Summary
Over the past 12 months, 5 TENNANT CO insiders reported open-market purchases totaling $2.1M, while 4 insiders reported sales totaling $1.2M. The most recent cluster buy began on Feb 26, 2026, when 3 insiders bought a combined $1.3M. Among insiders with enough purchase history to measure, James T Glerum Jr. (Director) has the highest Insider Score at 82. 0 of 4 recorded sales were made under pre-scheduled Rule 10b5-1 trading plans, which are usually less informative than discretionary sales.
TNC stock news and SEC filings
Recent 8-K filings and headlines. Tone is scored from the headline wording; “Policy” marks regulatory, trade or government topics.
Insider transactions
Open-market purchases and sales.
| Filed | Insider | Type | Shares | Price | Value | Since | Score |
|---|---|---|---|---|---|---|---|
| Sep 23SEC | Patrick E AllenDirector | Buy | 3,0004,927 held (+156%) | $69.42 | $208K | -5.0% | — |
| Aug 13SEC | Donal L MulliganDirector | Buy | 8,00016,000 held (+100%) | $67.34 | $539K | -2.1% | 79 |
| Aug 13SEC | Timothy R. MorseDirector | Buy | 1,50010,614 held (+16%) | $68.18 | $102K | -3.3% | — |
| May 11SEC | Richard H. ZayChief Commercial Officer | Sell | 6,87527,518 held (−20%) | $88.02 | $605K | -25.1% | — |
| Mar 2SEC | James T Glerum Jr.Director | Buy | 8,1638,600 held (+1868%) | $61.25 | $500K | +7.6% | 82 |
| Mar 2SEC | Donal L MulliganDirector | Buy | 5,000new position | $63.86 | $319K | +3.2% | 79 |
| Mar 2SEC | David WindleyDirector | Sell | 3,6947,422 held (−33%) | $63.86 | $236K | +3.2% | — |
| Mar 2SEC | Carol S EicherDirector | Sell | 3,13028,836 held (−10%) | $61.98 | $194K | +6.4% | — |
| Mar 2SEC | Azita ArvaniDirector | Sell | 3,15617,435 held (−15%) | $61.40 | $194K | +7.4% | — |
| Mar 2SEC | Donal L MulliganDirector | Buy | 3,0008,000 held (+60%) | $61.61 | $185K | +7.0% | 79 |
| Mar 2SEC | David W. HumlCEO, President | Buy | 2,60066,558 held (+4%) | $64.02 | $166K | +3.0% | — |
| Mar 2SEC | David W. HumlCEO, President | Buy | 1,22567,783 held (+2%) | $65.01 | $80K | +1.4% | — |
| Mar 2SEC | David W. HumlCEO, President | Buy | 17567,958 held (+0%) | $65.48 | $11K | +0.7% | — |
Insiders at TENNANT CO
| Insider | Bought | Sold | Last filing | Score |
|---|---|---|---|---|
| Donal L MulliganDirector | $1.0M | — | Aug 13, 2026 | 79 |
| James T Glerum Jr.Director | $500K | — | Mar 2, 2026 | 82 |
| David W. HumlCEO, President | $258K | — | Mar 2, 2026 | — |
| Patrick E AllenDirector | $208K | — | Sep 23, 2026 | — |
| Richard H. ZayChief Commercial Officer | — | $605K | May 11, 2026 | — |
| Timothy R. MorseDirector | $102K | — | Aug 13, 2026 | — |
| David WindleyDirector | — | $236K | Mar 2, 2026 | — |
| Carol S EicherDirector | — | $194K | Mar 2, 2026 | — |
| Azita ArvaniDirector | — | $194K | Mar 2, 2026 | — |
Insider activity at other Industrials companies
Same sector, ranked by insider buying in the last 90 days.
TNC stock: common questions
Are TENNANT CO insiders buying TNC stock?
In the past 12 months, 5 insiders reported open-market purchases of TNC worth $2.1M. The latest was Director Patrick E Allen bought $208K of TNC at $69.42 — first open-market purchase in our records; raises the stake by 156%.
Are TENNANT CO insiders selling TNC stock?
4 insiders reported sales worth $1.2M over the same period.
Where does this data come from?
Every transaction comes from Form 4 filings that insiders must submit to the SEC within two business days of a trade. We pull them from SEC EDGAR every night.
What is TNC's P/E ratio?
TNC trades at about 63.4 times trailing earnings, compared with a median of 26.6 for the Industrials sector.
What is TNC's 52-week range?
Over the past year TNC has traded between $60.42 and $90.74. It last closed at $65.93 on Oct 9, 2026.