Get email alerts when TNC insiders make a move — free, no credit card

TNC Insider Trading & Form 4 Activity

TENNANT CO
Last filing: Sep 23, 2026·1mo ago· Data may be outdated
BULLISH · LAST 90 DAYS
100%
buyers
$849K
3 buys
$0
0 sells
$849K
net buying
3
insiders
Tracking TNC insiders takes 3 seconds. Get free alerts →

Net flow — last 12 months

Monthly net of insider buys minus sells. Green months indicate net buying; red months indicate net selling.

Most active insiders

Ranked by total transaction value over the last 90 days.

INSIDERBOUGHTSOLDNET
Mulligan Donal L
Director
$539K
—
$539K
Allen Patrick E
Director
$208K
—
$208K
Morse Timothy R.
Director
$102K
—
$102K
Schottler Patrick W.
SVP, Robotics
—
—
$0
Zay Richard H.
SVP, COO
—
—
$0

Recent transactions

Every Form 4 transaction for TNC, newest first.

BUY
Allen Patrick E · Director
Tx Aug 31·Filed Sep 23·EDGAR ↗
3,000 sh @ $69.42
$208K
AWARD
Schottler Patrick W. · SVP, Robotics
Tx Aug 10·Filed Sep 11·EDGAR ↗
2,707 sh
—
AWARD
Zay Richard H. · SVP, COO
Tx Aug 10·Filed Sep 11·EDGAR ↗
2,707 sh
—
BUY
Morse Timothy R. · Director
Tx Aug 12·Filed Aug 13·EDGAR ↗
1,500 sh @ $68.18
$102K
BUY
Mulligan Donal L · Director
Tx Aug 12·Filed Aug 13·EDGAR ↗
8,000 sh @ $67.34
$539K
AWARD
Allen Patrick E · Director
Tx May 7·Filed May 11·EDGAR ↗
1,490 sh
—
AWARD
Mulligan Donal L · Director
Tx May 7·Filed May 11·EDGAR ↗
1,490 sh
—
AWARD
Glerum James T JR. · Director
Tx May 7·Filed May 11·EDGAR ↗
1,490 sh
—
AWARD
Eicher Carol S · Director
Tx May 7·Filed May 11·EDGAR ↗
1,490 sh
—
AWARD
Morse Timothy R. · Director
Tx May 7·Filed May 11·EDGAR ↗
1,490 sh
—
AWARD
Sheahan Mark W · Director
Tx May 7·Filed May 11·EDGAR ↗
1,490 sh
—
AWARD
Windley David · Director
Tx May 7·Filed May 11·EDGAR ↗
1,490 sh
—
AWARD
Arvani Azita · Director
Tx May 7·Filed May 11·EDGAR ↗
1,490 sh
—

Track every ticker you care about

Free plan includes 3 tickers, daily insider scans, and cluster alerts. No credit card.

Start free (3 tickers)See plans

Join investors tracking SEC filings.

About TNC insider trading data

Form 4 is the SEC filing required when an officer, director, or 10% owner of a public company buys or sells the company's stock. By law, these filings must be submitted within two business days of the trade. Tracenotes pulls every Form 4 filing for TNC from EDGAR, parses it, and surfaces the activity on this page.

What insider buying tells you. Open-market purchases by insiders are widely studied as a meaningful signal. Unlike stock awards (which are compensation, not conviction), an executive spending their own money to buy shares of the company they run is a vote of confidence. Studies have found insider-buying clusters — three or more insiders buying within a short window — outperform the broader market over the following year.

What insider selling tells you. Selling is noisier. Many sales are pre-scheduled under SEC Rule 10b5-1 plans, which let insiders sell on a fixed schedule regardless of company news. We label these "10b5-1" so you can see them. Discretionary sales — sales not tied to a plan — are more meaningful, especially when multiple insiders sell in quick succession.

Tracenotes methodology. We scan EDGAR daily for new Form 4 filings, parse them into individual transactions, and detect clusters when three or more distinct insiders buy or sell within a 14-day window. The data on this page covers the last 12 months. For deeper analysis, Tracenotes also runs language-change detection on 10-K and 10-Q filings — that's our core product.

See this for every ticker.

Tracenotes covers the S&P 500 and beyond. Pick any ticker — get the same depth of insider trading data.

AAPLNVDAMSFTTSLA

Free plan available — no credit card. Sign up free →

Frequently asked questions

What is a Form 4 filing?

Form 4 is the SEC disclosure required when a company insider — an officer, director, or 10% owner — buys or sells the company's stock. By law these filings must be submitted within two business days of the trade.

Is insider buying TNC always bullish?

Open-market purchases by insiders are widely viewed as a bullish signal because executives are spending their own money. Stock awards and option exercises are part of compensation and don't carry the same weight, which is why we treat them separately on this page.

What is a 10b5-1 trade?

A trade made under SEC Rule 10b5-1, which lets insiders pre-schedule sales weeks or months in advance. These sales execute on a fixed plan regardless of company news, so they're a weaker signal than discretionary sales. We label them with a "10b5-1" tag.

What is an insider cluster?

A cluster is when three or more distinct insiders buy or sell within a 14-day window. Clusters are studied as stronger signals than single trades because multiple people independently reach the same view. We surface active clusters on TENNANT CO (TNC) when they form.

Where does TNC insider trading data come from?

Every Form 4 filing for TNC is sourced directly from SEC EDGAR. Tracenotes scans EDGAR daily, parses each Form 4 into individual transactions, and updates this page within hours of new filings.

Nothing on this page constitutes investment advice. Form 4 data is sourced from SEC EDGAR and provided for research purposes only.

© 2026 Tracenotes · tracenotes.ai