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Corero Network Security plc Stock: price and insider trades · United Kingdom
No insider purchase over the last 90 days. The latest was filed 06 May 2026.
Corero Network Security plc: what insiders have been doing
Corero Network Security plc is a listed company. Its insiders report their share dealings to RNS (LSE). In the past year (18 October 2025 to 18 October 2026), 2 filings came from 2 insiders.
No insider sold shares on the market over the period. Instead, the filings list 2 purchases totalling €27k, made by 2 insiders. Open-market purchases are the filings investors watch most closely, because the insider pays for the shares out of pocket. Those buying include 1 board member and 1 chief executive. One trade stands out by size: a purchase of €21k from Carl Herberger, disclosed on 4 February 2026.
Compared with its exchange (833 companies, median 6 filings), a count of 2 filings is below the norm. Since 2025, the database holds 4 purchases and no sales by insiders of the company.
The last purchase on record was published on 6 May 2026, which is 164 days ago.
Source: insider filings from RNS (LSE). Past trades are no guide to future returns.
Insider Decl.
4
Thresholds
n/a
Buy Volume
€122,801
4 ops. · all time
Sell Volume
n/a
n/a
Who traded when
BuySaleCarl Herberger3 buys
Jeremy Nicholls1 buy
Since the insiders bought
- -29.3%Entry £0.12 · Close at T+90 £0.09
- -5.8%Entry £0.13 · Close at T+90 £0.12
Entry is the close on the day after publication, the first price a reader could act on. Prices in the listing currency. Past moves are not a forecast.
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 16,442 of 24,148 companies
39.8
score / 100
Value24
Quality56
FCF yld-3.8%
Earn yld-1.9%
EV/EBITDA21.0x
ROE-3.8%
Gross mgn90%
Net mgn-2.8%
Debt/EBITDA0.3x
Pillars2/3
Transparent value + quality ranking, distinct from the insider signal.
Financial data
as of FY 2025FY ended December 2025 · cache
£0.07
Analyst consensus
1 analysts1.00/5
£19.86Target £19.86(+27294%)£19.86
Income statement
Revenue£25.5M
Gross profit£23M90% margin
EBITDA£1.8M7% margin
Net income-£711k-2.8% margin
Valuation
PER (forward)3372.1x
P/Book273.8x
Beta-0.10
Balance sheet & cash
Market cap£37.1M
Total debt£458k
Free Cash Flow-£1.4M
Debt / Equity2%
Profitability & ownership
ROE-3.8%
ROA-1.3%
% insiders72.7%
% institutions10.6%
Last declaration on 6 May 2026
Declarations4 total
43,000 shares@ £0.123100.0% of flowLondon Stock Exchange - AIMISIN GB00B54X0432RNS:01fb5f79-bd67-43f8-987a-15926e9bb20e
Canonical exit: 3 Aug 2026 (T+90)
138,000 shares@ £0.132618.2% of flowLondon Stock Exchange - AIMISIN GB00B54X0432RNS:7ae6cfc3-7e09-402d-9f40-0e34902a9262
Canonical exit: 4 May 2026 (T+90)
246,095 shares@ £0.153137.3% of flowLondon Stock Exchange - AIMISIN GB00B54X0432RNS:5615420
Canonical exit: 9 Jul 2025 (T+90)
247,153 shares@ £0.177844.6% of flowLondon Stock Exchange - AIMISIN GB00B54X0432RNS:5510552
Canonical exit: 21 Apr 2025 (T+90)
4 of 4 declarations
About Corero Network Security plc
Corero Network Security plc is a cybersecurity company that provides solutions to protect against DDoS attacks and other online threats. It is listed on the London Stock Exchange.
