Insider · CIK 0001191569

Patrick E Allen

director

Files at TNC (TENNANT CO), LNT (ALLIANT ENERGY CORP). First filing Sep 23, 2026, latest Sep 23, 2026.

Track record

Not enough history

Fewer than three past buys with six months of prices.

Median 6-month excess

after past buys, n = 0

Hit rate

past buys that beat the index over 6 months

Open-market trades

1 / 0

$208k bought, $0 sold

Where the trades landed

Last year at the company this insider has traded most, with each buy and sell on the bar it happened.

TNC: TENNANT CO

TNCOct 9, 2026 · close 65.93

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™

Signals

This insider’s open-market buys and sells, scored.

Score	Company	Value	Holdings	Price context	Filed
37Weak	TNCbuy TENNANT CO	$208k 3,000 shares	+156%	-	19 d ago

Transactions

Every row this insider has filed, newest first.

Date	Company	Transaction	Shares	Price	Value	Holdings after	Filed
Aug 31, 2026	TNC TENNANT CO	POpen-market purchase Common Stock	+3,000	$69.42	$208k	4,927	19 d ago
Oct 11, 2024	LNT ALLIANT ENERGY CORP	AGrant or award Deferred Common Stock Unitsderivative	+628	$59.67	$38k	42,383	Oct 15, 2024

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.