How many insider declarations has Guy Walker filed?

Guy Walker has filed 3 public insider declarations with RNS (LSE).

What is Guy Walker's role?

Guy Walker's reported role is not specified by the regulator across the filings.

Which companies does Guy Walker report trades for?

Guy Walker reports trades for Impax Environmental Markets plc.

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GW

Guy Walker

OFFICER

UK·RNS (LSE)

Impax Environmental Markets plc

0

Total declarations

0

Company

—

▲ Purchases (0 ops.)

—

▼ Sales (0 ops.)

Insider track record

Other

Disclosed buys

0

Disclosed sells

0

T+90 hit rate

0%

T+90 mean return

-5.0%

Across 1 buy signal with a settled T+90 return. Return basis: close on the day after publication.

Signal history

Explore the detailed record of transactions filed by Guy Walker. Insider active across 1 company, notably Impax Environmental Markets plc. Cumulatively, 3 filings have been logged. History available since 9 December 2024. The latest transaction was disclosed on 19 May 2026 (Sale). Regulator: RNS (LSE). The full history is free.

Companies and markets linked to Guy Walker

Open company profiles for insider transactions, fundamentals and analyst consensus when available.

Impax Environmental Markets plc (UK)

Declarations3 total

●

Guy Walker

DirectorExecutives19 May 2026Impax Environmental Markets plc

£113,09326RNS ↗

22,858 shares@ £3.71390.054% mcap80.2% of flowXLONRNS:87ca67fb-474e-4b0e-b8cd-13f431f2e27d

●

Guy Walker

DirectorExecutives19 May 2026Impax Environmental Markets plc

0RNS ↗

0XLONGB0031232498RNS:9576121

●

Guy Walker

DirectorExecutives9 Dec 2024Impax Environmental Markets plc

£19,99919RNS ↗

5,278 shares@ £3.789100.0% of flowLondon Stock ExchangeRNS:5461310

3 of 3 declarations

InsidersTradesSigma

← Executives ★ Sign in to follow

GW

Guy Walker

OFFICER

UK·RNS (LSE)

Impax Environmental Markets plc

0

Total declarations

0

Company

—

▲ Purchases (0 ops.)

—

▼ Sales (0 ops.)

Insider track record

Other

Disclosed buys

0

Disclosed sells

0

T+90 hit rate

0%

T+90 mean return

-5.0%

Across 1 buy signal with a settled T+90 return. Return basis: close on the day after publication.

Signal history

Explore the detailed record of transactions filed by Guy Walker. Insider active across 1 company, notably Impax Environmental Markets plc. Cumulatively, 3 filings have been logged. History available since 9 December 2024. The latest transaction was disclosed on 19 May 2026 (Sale). Regulator: RNS (LSE). The full history is free.