Tristel Director’s Associate Increases Stake in Infection Prevention Specialist

Tristel ( (GB:TSTL) ) has issued an update.

Tristel plc, the AIM‑quoted infection prevention specialist, develops chlorine dioxide‑based disinfection products for medical device decontamination and surface cleaning, positioning itself as a sustainable alternative to plastic‑based wipes. Operating from its Cambridge‑area headquarters, it has built a global footprint across 16 subsidiaries serving hospitals in over 40 countries.

The company reported that Glenn Stephens, a person closely associated with non‑executive director Caroline Stephens, bought 2,310 Tristel shares at 389 pence each on 3 March 2026. Following this insider dealing, Caroline Stephens’ beneficial holding, including shares held by her associate, stands at 4,281 shares, a small fraction of the company’s issued share capital but a signal of board‑level confidence in the stock.

The most recent analyst rating on (GB:TSTL) stock is a Buy with a £478.00 price target. To see the full list of analyst forecasts on Tristel stock, see the GB:TSTL Stock Forecast page.

Spark’s Take on GB:TSTL Stock

According to Spark, TipRanks’ AI Analyst, GB:TSTL is a Outperform.

Tristel’s strong financial performance and positive earnings call outlook are the primary drivers of its stock score. While technical indicators suggest caution due to overbought conditions, the company’s strategic expansion and dividend increase support a favorable long-term view. Valuation concerns are mitigated by the company’s growth prospects.

To see Spark’s full report on GB:TSTL stock, click here.

More about Tristel

Tristel plc is a global infection prevention company that manufactures and supplies products based on its proprietary chlorine dioxide chemistry. It is a market leader in the manual decontamination of medical devices and offers a sporicidal surface disinfection range as a sustainable alternative to commonly used pre‑wetted plastic wipes.

Headquartered and manufacturing in Snailwell near Cambridge, Tristel employs about 270 people across 16 subsidiaries and sells into more than 40 countries. Listed on London’s AIM market since 2005 under ticker TSTL, the company focuses on double‑digit annual revenue growth, strong EBITDA margins, and progressive dividend increases supported by robust cash generation.

Average Trading Volume: 109,842

Technical Sentiment Signal: Strong Buy

Current Market Cap: £190.3M

For detailed information about TSTL stock, go to TipRanks’ Stock Analysis page.