FORM4API
ExploreSearch any ticker for its insider tradesFilingsThe newest Form 4 filings, market-wideForm 144Intent to sell, filed before the trade13F FilersInstitutional 13F-HR filers by AUMSignalsCluster buy & sell signalsScreenerFilter trades by code, size & returnCongressSTOCK Act trades disclosed by Congress
PricingDocs
SEC Form 4 explainedSEC Form 144 explained13F-HR filings explainedCluster buy signals10b5-1 trading plans
All guides →
Sign inGet a key

Company profile

Tennant Co Insider Trading

TNC

Every SEC Form 4 insider trading filing for Tennant Co (TNC) since April 2023 — open-market buys and sells by directors and officers, option exercises, and cluster activity, updated as each filing is reported to the SEC. Why 2023?

Exchange
NYSE
Sector
Refrigeration & Service Industry Machinery
CIK
0000097134
Filings
111
Insiders
19
Last filing
2026-08-12
SEC EDGAR ↗Yahoo Finance ↗Finviz ↗Stock Analysis ↗

Activity summary

Recent insider activity is bullish. Over the last 30 days, 2 insiders purchased shares (net $641K). Buying was led by Mulligan Donal L.

Three year balance

Buy and sell value by quarter, Q3 23 to Q3 26. Tennant Co insiders are net sellers across the period shown.

Q3 23Q4 23Q1 24Q2 24Q3 24Q1 25Q2 25Q3 25Q4 25Q1 26Q2 26Q3 26

Bars below the rule are sales, above are purchases. Largest quarter on the chart is $10.6M.

90 day insight

Over the last 90 days, Tennant Co insiders bought $641K across 2 transactions with no open-market sales.

  • Most active insider: Mulligan Donal L with 1 transaction totaling $539K.
  • Largest single purchase: $539K by Mulligan Donal L on Aug 12, 2026.

Activity skews bullish — buys outpace sales.

Insider Transactions

Sourced from SEC EDGAR Form 4 filings. Updated hourly.

DateInsiderCompanyTypeSharesPriceValue1d1w1m3m6m
Aug 12, 2026Morse Timothy R.TNC
Purchase
1,500$68.18$102K+1.4%+0.6%———
Aug 12, 2026Mulligan Donal LTNC
Purchase
8,000$67.34$539K+1.4%+0.6%———
May 7, 2026Allen Patrick ETNC
Award
1,490——-4.3%-5.2%-0.5%-20.9%—
May 7, 2026Glerum James T Jr.TNC
Award
1,490——-0.8%+5.5%+9.1%-17.7%—
May 7, 2026Morse Timothy R.TNC
Award
1,490——-0.8%+5.5%+9.1%-17.7%—

45 more transactions hidden

Free account · No credit card required

Building something? Get API access →

Query this yourself

The same rows, over the API.

curl "https://api.form4api.com/v1/transactions?ticker=TNC" \
  -H "X-Api-Key: $KEY"
Get a key

Top insiders

By total value filed.

Huml David W.PRESIDENT AND CEO4 filings−$949K
Mulligan Donal L4 filings+$724K
Zay Richard H.CHIEF COMMERCIAL OFFICER2 filings−$656K
Glerum James T Jr.1 filing+$500K
Windley David3 filings−$5K

Institutional Ownership

Top 13F-HR holders of Tennant Co as of 2026-06-30

↓ decreasing
Total reported AUM
$439.6M
QoQ change
-58.2%
Reporting period
2026-06-30
#1
BlackRock, Inc.
CIK 0002012383
$164.6M
1.9M shares
#2
State Street Corp
CIK 0000093751
$62.3M
711K shares
#3
BlackRock, Inc.
CIK 0002012383
$50.3M
575K shares

Data source: quarterly 13F-HR filings — institutional holders report positions within 45 days of quarter end. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →

FORM4API

Real-time SEC Form 4, Form 144, 13F-HR and congressional trading data, over a REST API and webhooks.

Data
  • Screener
  • Filings
  • Signals
  • Companies
  • Insiders
  • Congress trades
  • 13F filers
  • Explorer
  • Top insiders
Developers
  • Documentation
  • Insider trading API
  • Python SDK
  • TypeScript SDK
  • MCP server
  • Status
Company
  • Pricing
  • Guides
  • Compare
  • About
  • Data quality
  • Privacy
  • Terms
Form4API, StockholmNot affiliated with the SEC or EDGAR. Data sourced from public EDGAR filings. Not investment advice.

Congressional Trading

Disclosed TNC trades under the STOCK Act

Total trades
1
Purchases
0
Sales
1
Susie Lee
Democrat · House · NV
0 buys
1 sell

Sourced from U.S. House Clerk periodic transaction reports (House coverage only). Trade counts reflect disclosed filings only. The STOCK Act allows up to 45 days between a trade and its disclosure, so this reflects recent disclosures, not real-time trading. Full congressional trading API →

Popular companies on Form4API

Browse insider trading activity for other actively-filed companies.

TEAMAtlassian CorpLEGLeggett & Platt IncVZVerizon Communications IncTPLTexas Pacific Land CorpCRMSalesforce, Inc.METAMeta Platforms, Inc.RCGRENN Fund, Inc.ACNAccenture plcPPGPpg Industries IncNFLXNetflix IncCHDChurch & Dwight Co Inc /de/