Track the COSTAIN GROUP PLC stock price and the full management transaction log of the company, a publicly traded company based in United Kingdom. Shares trade on the UK market, under the oversight of RNS (LSE). Market capitalisation: €594.7m. The latest transaction was disclosed on 25 June 2026 (Purchase). Among the most active insiders: ALEXANDER JOHN VAUGHAN. The full history is free.
43
Insider Decl.
n/a
Thresholds
€178,440
15 ops.
Buy Volume
€5m
10 ops.
Sell Volume
Analyst consensus: bullish or bearish?
Analysts rate COSTAIN GROUP PLC Strong Buy (bullish), based on 6 analysts. Average price target: £257.00.
28Σ signal
Buys €178,440€5m Sells
This score ranks the purchase within its own market. No market currently meets the historical allocation criteria, so signals remain watch-only. Not investment advice.
Fundamental score
Ranked 8,161 of 28,752 companies
62.3
score / 100
Value
71
Quality
54
FCF yld8.1%
Earn yld6.2%
EV/EBITDA9.5x
ROE15%
Gross mgn11%
Net mgn3.6%
Debt/EBITDA0.4x
Pillars2/3
Transparent value + quality ranking, distinct from the insider signal.
Σ
Sigma AI Analysis
Fundamental view, insider signal, bull and bear case, synthesis.
15,000 shares@ £1.316731.2% of flowXLONISINISIN GB00B64NSP76RNS:5797940-0
25 of 43 declarations
About COSTAIN GROUP PLC
COSTAIN GROUP PLC is a UK-based engineering and construction company that provides solutions in the infrastructure and energy sectors. It focuses on innovation and sustainability in its projects.