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Insider · CIK 0001667356

David Landless

director

Files at IOSP (INNOSPEC INC.). First filing Mar 3, 2026, latest Mar 6, 2026.

In brief

David Landless files SEC Form 4 as director at IOSP (INNOSPEC INC.). Since Mar 3, 2026, David Landless has reported 0 open-market buys worth $0 and 2 open-market sells worth $91k, the latest filed on Mar 6, 2026.

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

The newest scored trade: sold $45k of IOSP on Feb 27, 2026, filed Mar 6, 2026, scored 36 (weak). In the last 12 months: 0 buys worth $0 and 2 sells worth $91k.

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
0 / 2
$0 bought, $91k 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.

IOSP: INNOSPEC INC.

IOSPOct 9, 2026 · close 95.65

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
36Weak
IOSPsell 6
INNOSPEC INC.
$45k
594 shares
-7%+8% from low-25% from high
36Weak
IOSPsell 6
INNOSPEC INC.
$45k
594 shares
-7%+8% from low-25% from high

Transactions

Every row this insider has filed, 6 in all, newest first.

DateCompanyTransactionSharesPriceValueHoldings afterFiled
Feb 27, 2026IOSP
INNOSPEC INC.
SOpen-market sale
Common Stock
-287$76.30$22k7,939Mar 6, 2026
Feb 27, 2026IOSP
INNOSPEC INC.
SOpen-market sale
Common Stock
-307$76.79$24k7,632Mar 6, 2026
Feb 27, 2026IOSP
INNOSPEC INC.
SOpen-market sale
Common Stock
-594$76.56$45k7,632Mar 3, 2026
Feb 23, 2026IOSP
INNOSPEC INC.
AGrant or award
Common Stock
+1,539$0.00$08,226Feb 24, 2026
Feb 24, 2025IOSP
INNOSPEC INC.
AGrant or award
Common Stock
+1,209$0.00$06,687Feb 27, 2025
Feb 21, 2025IOSP
INNOSPEC INC.
FTax withholding
Common Stock
-306$105.07$32k5,478Feb 25, 2025

Questions about David Landless

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

Is David Landless buying or selling?

In the last 12 months David Landless reported 0 open-market buys worth $0 and 2 open-market sells worth $91k on SEC Form 4; the latest was sold $45k of IOSP on Feb 27, 2026. Grants, option exercises and tax withholding are not counted.

How did David Landless's past buys perform?

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

Where does David Landless file Form 4?

David Landless has filed Form 4 at IOSP (INNOSPEC INC.). 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.

David Landless: insider trades and track record | InsiderTell