Costain Group
COST · Main Market · Construction and Materials · mcap £630m · 243.5p
Oasis Management Company Ltd. reported that on October 2
6 Oct – 24 Sep · 3 notices
5.0% → 12.7%
FIL Limited
21 Oct – 6 Oct · 4 notices
5.0% → 10.9%
On October 17
17 Oct – 3 Nov · 3 notices
7.5% → 7.0%
Ubs Ag
1 Dec – 31 Dec · 4 notices
7.6% → 6.0%
UBS Group AG
4 Nov – 12 May · 31 notices
6.8% → 5.1%
share price at the notices 146.6–195.0p · now 243.5p
4 Nov 2025 7 Nov 2025 13 Nov 2025 18 Nov 2025 21 Nov 2025 4 Dec 2025 5 Dec 2025 15 Dec 2025 16 Dec 2025 17 Dec 2025 18 Dec 2025 19 Dec 2025 22 Dec 2025 30 Dec 2025 2 Jan 2026 5 Jan 2026 13 Jan 2026 16 Jan 2026 21 Jan 2026 22 Jan 2026 23 Jan 2026 28 Jan 2026 29 Jan 2026 4 Feb 2026 9 Feb 2026 18 Feb 2026 20 Feb 2026 23 Feb 2026 16 Apr 2026 12 May 2026
UBS Group AG-Investment Bank & Global Wealth Management reported on October 17
17 Oct – 13 May · 8 notices
6.5% → 5.0%
share price at the notices 150.0–196.6p · now 243.5p
17 Oct 2025 24 Oct 2025 27 Oct 2025 28 Oct 2025 23 Dec 2025 26 Jan 2026 21 Apr 2026 13 May 2026
UBS Group AG's trading book holdings in Costain Group PLC have fallen below the 5% reporting threshold
3 Mar · 1 notice
0.0% → 5.0%
share price at the notices 177.0p · now 243.5p
3 Mar 2026
Gresham House Asset Management Ltd
23 Sep · 1 notice
5.5% → 4.7%
share price at the notices 253.0p · now 243.5p
23 Sep 2026
BNP Paribas SA
9 Jun – 15 Sep · 2 notices
5.9% → 3.1%
share price at the notices 189.0–225.5p · now 243.5p
9 Jun 2026 15 Sep 2026
Directors and managers
Last 12 months: bought £70k in 6 trades by 5 people · sold £2.0m in 3 trades · 11 other transactions (awards, vesting, tax sales, fee and dividend shares)
Own-money trades (bought or sold in the market) say most about what insiders think. Awards, vesting, shares sold to cover tax, fees and dividends taken in shares are part of pay.
| Date | Person | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| 01 Oct 26 | ANTHONY JAMES QUINLANNON-EXECUTIVE DIRECTOR (PDMR) | Buy | 5,692 | 262.2p | £15k |
| 25 Jun 26 | AMANDA LUCIA FISHERNON-EXECUTIVE DIRECTOR (PDMR) | Buy | – | 203.6p | – |
| 23 Jun 26 | ALICE MARY VAUGHAN/ALEXANDER VAUGHANPCA to CHIEF EXECUTIVE OFFICER (PDMR) | Sell | 415,015 | 206.4p | £856k |
| 18 Jun 26 | COLIN JOHN KEANE/HELEN MARGARET WILLISPCA to CHIEF FINANCIAL OFFICER (PDMR) | Sell | 344,645 | 200.5p | £691k |
| 22 May 26 | ALEXANDER JOHN VAUGHANCHIEF EXECUTIVE OFFICER/PDMR | Award | 359,643 | nil | – |
| 22 May 26 | HELEN MARGARET WILLISCHIEF FINANCIAL OFFICER/PDMR | Award | 301,565 | nil | – |
| 05 May 26 | STEVEN MOGFORDNON-EXECUTIVE DIRECTOR (PDMR) | Buy | 10,655 | 186.3p | £20k |
| 30 Apr 26 | FIONA MACAULAYNON-EXECUTIVE DIRECTOR (PDMR) | Buy | 4,169 | 178.9p | £7k |
| 30 Apr 26 | ALEXANDER JOHN VAUGHANCHIEF EXECUTIVE OFFICER/PDMR | Transfer | 415,015 | nil | – |
| 30 Apr 26 | ALEXANDER JOHN VAUGHAN/ALICE MARY VAUGHANPCA to CHIEF EXECUTIVE OFFICER/PDMR | Transfer | 415,015 | nil | – |
| 22 Apr 26 | ALEXANDER JOHN VAUGHANCHIEF EXECUTIVE OFFICER/ PDMR | Sold to cover tax | 542,364 | 191.2p | £1.0m |
| 22 Apr 26 | HELEN MARGARET WILLISCHIEF FINANCIAL OFFICER/ PDMR | Sold to cover tax | 450,406 | 191.2p | £861k |
| 22 Apr 26 | ALEXANDER JOHN VAUGHANCHIEF EXECUTIVE OFFICER/ PDMR | Sold to cover tax | 240,685 | 191.2p | £460k |
| 22 Apr 26 | HELEN MARGARET WILLISCHIEF FINANCIAL OFFICER/ PDMR | Sold to cover tax | 199,870 | 191.2p | £382k |
| 22 Apr 26 | HELEN MARGARET WILLIS/ COLIN JOHN KEANEPCA to CHIEF FINANCIAL OFFICER/ PDMR | Vesting | 344,645 | nil | – |
| 15 Apr 26 | HELEN MARGARET WILLISCHIEF FINANCIAL OFFICER (PDMR) | Sell | 253,793 | 196.8p | £500k |
| 13 Apr 26 | ALEXANDER JOHN VAUGHANCHIEF EXECUTIVE OFFICER/PDMR | Award | 118,103 | nil | – |
| 13 Apr 26 | HELEN MARGARET WILLISCHIEF FINANCIAL OFFICER/PDMR | Award | 97,615 | nil | – |
| 01 Apr 26 | KATE ROCKNON-EXECUTIVE CHAIR (PDMR) | Buy | 10,000 | 182.2p | £18k |
| 11 Dec 25 | FIONA MACAULAYNON-EXECUTIVE DIRCETOR (PDMR) | Buy | 6,347 | 157.0p | £10k |
| 13 Oct 25 – 12 Oct 26 | Employee share plan (SIP)2 monthly notifications · 2 people · small automatic salary deductions | £7k | |||
No director bought or sold shares in the market in this period – show all 20 transactions.
Company filings. Not investment advice.