Costain CFO’s Household Sells Shares While Retaining Significant Stake

Costain ( (GB:COST) ) has provided an announcement.

Costain Group PLC disclosed a share transaction involving the household of its chief financial officer, Helen Willis, as required under U.K. market abuse rules. Her person closely associated, Colin Keane, sold 253,793 ordinary shares in the company at £1.9682 per share on 14 April 2026.

Following the disposal, Willis still holds an interest in 1,246,375 Costain shares, equivalent to 471% of her salary and comfortably above the company’s 200% shareholding guideline. The transaction, conducted on the London Stock Exchange, indicates that the CFO retains a significant equity stake, which may reassure investors about the continued alignment of management and shareholder interests.

The most recent analyst rating on (GB:COST) stock is a Hold with a £180.00 price target. To see the full list of analyst forecasts on Costain stock, see the GB:COST Stock Forecast page.

Spark’s Take on COST Stock

According to Spark, TipRanks’ AI Analyst, COST is a Outperform.

The score is driven primarily by improved financial stability and earnings quality (higher margins, low leverage, solid cash conversion), supported by strong technical uptrend signals. Valuation is reasonable but not deeply compelling, and the key risk tempering the score is the multi-year revenue contraction, which could limit future growth if it persists.

To see Spark’s full report on COST stock, click here.

More about Costain

Costain Group PLC is a U.K.-based engineering and construction group focused on infrastructure, providing services across transportation, energy, water and defence projects. The company delivers complex programme management, consulting and delivery solutions for public and private sector clients across key national infrastructure markets.

Average Trading Volume: 1,604,668

Technical Sentiment Signal: Buy

Current Market Cap: £525.7M

See more insights into COST stock on TipRanks’ Stock Analysis page.