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Insider · CIK 0001434811

Carol S Eicher

director

Files at TNC (TENNANT CO), PNW (PINNACLE WEST CAPITAL CORP), ARQ (Arq, Inc.). First filing Mar 2, 2026, latest Mar 17, 2026.

Carol S Eicher files SEC Form 4 as director at TNC (TENNANT CO), and also at ARQ (Arq, Inc.), PNW (PINNACLE WEST CAPITAL CORP). Since Mar 2, 2026, Carol S Eicher has reported 1 open-market buy worth $151k and 1 open-market sell worth $194k, the latest filed on Mar 17, 2026.

A track record needs three past buys with six months of prices behind them; Carol S Eicher has 0, so none is measured yet.

The newest scored trade: bought $151k of ARQ on Mar 13, 2026, filed Mar 17, 2026, scored 59 (moderate). In the last 12 months: 1 buy worth $151k and 1 sell worth $194k.

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 / 1
$151k bought, $194k sold

Where the trades landed

Last year at the 2 companies this insider has traded most, with each buy and sell on the bar it happened.

ARQ: Arq, Inc.

ARQOct 9, 2026 · close 2.03

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™

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.

ScoreCompanyValueHoldingsPrice contextFiled
59Moderate
ARQbuy 4
Arq, Inc.
$151k
77,500 shares
+80%+17% from low-75% from high
27Weak
TNCsell 3
TENNANT CO
$194k
3,130 shares
-10%0% from low-27% from high

Transactions

Every row this insider has filed, 9 in all, newest first.

DateCompanyTransactionSharesPriceValueHoldings afterFiled
May 14, 2026PNW
PINNACLE WEST CAPITAL CORP
AGrant or award
Stock Unitsderivative
+1,665--1,665May 18, 2026
May 7, 2026TNC
TENNANT CO
AGrant or award
Common Stock
+1,490$0.00$030,326May 11, 2026
Mar 13, 2026ARQ
Arq, Inc.
POpen-market purchase
Common Stock
+77,500$1.95$151k174,010Mar 17, 2026
Feb 26, 2026TNC
TENNANT CO
MOption exercise
Common Stock
+3,538$54.70$194k31,966Mar 2, 2026
Feb 26, 2026TNC
TENNANT CO
SOpen-market sale
Common Stock
-3,130$61.98$194k28,836Mar 2, 2026
Feb 26, 2026TNC
TENNANT CO
MOption exercise
Stock Option (right to buy)derivative
-3,538$0.00$00Mar 2, 2026
Jul 1, 2025ARQ
Arq, Inc.
AGrant or award
Common Stock
+14,552$0.00$096,510Jul 3, 2025
May 21, 2025PNW
PINNACLE WEST CAPITAL CORP
AGrant or award
Stock Unitsderivative
+1,783--1,783May 22, 2025
May 6, 2025TNC
TENNANT CO
AGrant or award
Common Stock
+1,815$0.00$028,428May 8, 2025

Questions about Carol S Eicher

Answered from the filings on this page, as of the latest one.

Is Carol S Eicher buying or selling?

In the last 12 months Carol S Eicher reported 1 open-market buy worth $151k and 1 open-market sell worth $194k on SEC Form 4; the latest was bought $151k of ARQ on Mar 13, 2026. Grants, option exercises and tax withholding are not counted.

How did Carol S Eicher's past buys perform?

Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Carol S Eicher has 0.

Where does Carol S Eicher file Form 4?

Carol S Eicher has filed Form 4 at TNC (TENNANT CO); ARQ (Arq, Inc.); PNW (PINNACLE WEST CAPITAL CORP). A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.

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.