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An update from Costain ( (GB:COST) ) is now available.
Costain disclosed that chief executive Alex Vaughan and chief financial officer Helen Willis have exercised substantial nil-cost share options under the company’s 2014 Long Term Incentive Plan and 2023 Share Deferral Plan. Both executives sold part of the resulting shares to meet tax and National Insurance obligations, with Willis transferring her remaining balance to her spouse.
Following these transactions, Vaughan’s total beneficial shareholding, including qualifying awards, is valued at about £4.24m, equivalent to 764% of his salary, while Willis’s beneficial interest is valued at roughly £2.59m, or 555% of her salary. The enlarged holdings materially exceed Costain’s guideline of 200% of salary for senior management share ownership, underlining strong equity alignment between the leadership team and shareholders, though Vaughan has instructed a further sale of his remaining exercised shares.
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 infrastructure, transportation, energy and water projects. The group provides consulting, design, delivery and technology-led solutions for major public and private sector clients, positioning itself as a key contractor in large-scale national infrastructure programmes.
Average Trading Volume: 1,615,027
Technical Sentiment Signal: Buy
Current Market Cap: £500.7M
For a thorough assessment of COST stock, go to TipRanks’ Stock Analysis page.

