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An update from Costain ( (GB:COST) ) is now available.
Costain has reported director dealings that modestly increase board-level equity exposure in the company. Non-executive director Fiona MacAulay bought 4,169 shares at £1.79, taking her holding to 10,516 shares, while chief executive Alex Vaughan has opted to retain his recently vested long-term incentive shares.
Vaughan transferred 415,015 shares, received under the company’s LTIP and Share Deferral Plan, to his spouse after selling only enough stock to cover tax and national insurance. His total beneficial holding now stands at 985,752 shares, equivalent to about 0.4% of the company, giving him a stake valued at 764% of salary and signalling strong alignment with shareholder interests versus the 200% guideline for executives.
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 UK-based engineering and construction company focused on delivering infrastructure solutions. It operates across transport, energy, water and defence sectors, providing complex project management and consultancy services to public and private sector clients in the UK market.
Average Trading Volume: 1,593,438
Technical Sentiment Signal: Buy
Current Market Cap: £472.4M
See more insights into COST stock on TipRanks’ Stock Analysis page.

