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Mendell Helium plc Stock: price and insider trades · United Kingdom

ISIN GB00BLD3FF28GB·Mcap £13.7M

No insider purchase over the last 90 days. The latest, by Nick Tulloch, was filed 10 Nov 2025.

Mendell Helium plc: what insiders have been doing

Mendell Helium plc has a thin disclosure history in our data (latest filing: 10 November 2025). New filings will appear here as soon as they are published. Source: insider filings from RNS (LSE). Past trades are no guide to future returns.

Insider Decl.
1
Thresholds
n/a
Buy Volume
€296,528
1 ops. · all time
Sell Volume
n/a
n/a

Who traded when

BuySale
Nick Tulloch1 buy

This score ranks the purchase within its own market. A position size is suggested only on the venues of the backtested strategy universe; elsewhere, signals stay on watch. Not investment advice.

Fundamental score
Ranked 26,458 of 26,897 companies
8.6
score / 100
Value
16
Quality
1
FCF yld-10.0%
Earn yld-13%
EV/EBITDA·
ROE-109%
Gross mgn-62%
Net mgn·
Debt/EBITDA·
Pillars2/3

Transparent value + quality ranking, distinct from the insider signal.

Financial data

as of FY 2025

FY ended June 2025 · cache

£0.04
Analyst consensus
·
Income statement
Revenue£392.2k
Gross profit-£243.3k-62% margin
EBITDA-£736.4k-188% margin
Net income-£1.6M-408.1% margin
Valuation
P/Book240.6x
Beta-0.28
Balance sheet & cash
Market cap£13.7M
Total debt£1M
Free Cash Flow-£1.3M
Debt / Equity19%
Profitability & ownership
ROE-109.3%
ROA-33.8%
% insiders36.2%
% institutions13.9%
Last declaration on 10 November 2025
Declarations1 total
  • ▲
    Chief Executive OfficerExecutives
    260,494 GBP30RNS
    8,683,117 shares@ £0.03100.0% of flowAQSEISIN GB00BLD3FF28RNS:13898a79-d198-490e-a897-6ea2696bc8b7
    Canonical exit: 8 Feb 2026 (T+90)

1 of 1 declaration

About Mendell Helium plc

Mendell Helium plc is a company listed on the London Stock Exchange, specializing in the exploration and production of helium. It focuses on developing projects related to this rare resource.