Biomark Diagnostics Inc.

DB:20B Stock Report

Market Cap: €34.0m

Biomark Diagnostics Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

DB:20B Recent Insider Transactions by Companies or Individuals
DateValueNameEntityRoleSharesMax Price
02 Jun 26Buy€1,099Rashid Ahmed BuxIndividual3,000€0.37
28 May 26Buy€183Guoyu HuangIndividual500€0.37
21 May 26Buy€1,282Rashid Ahmed BuxIndividual3,500€0.38
13 May 26Buy€543Rashid Ahmed BuxIndividual1,500€0.36
13 May 26Buy€178Guoyu HuangIndividual500€0.36
08 May 26Buy€1,061Bux Investments Ltd.Company3,000€0.35
08 May 26Buy€539Guoyu HuangIndividual1,500€0.36
01 May 26Buy€185Rashid Ahmed BuxIndividual500€0.37
01 May 26Buy€182Guoyu HuangIndividual500€0.36
24 Apr 26Buy€368Rashid Ahmed BuxIndividual1,000€0.37
24 Apr 26Buy€740Guoyu HuangIndividual2,000€0.37
13 Apr 26Buy€371Guoyu HuangIndividual1,000€0.37
08 Apr 26Buy€364Rashid Ahmed BuxIndividual1,000€0.36
02 Apr 26Buy€906Rashid Ahmed BuxIndividual2,500€0.36
02 Apr 26Buy€373Guoyu HuangIndividual1,000€0.37
25 Mar 26Buy€746Rashid Ahmed BuxIndividual2,000€0.38
17 Mar 26Buy€392Rashid Ahmed BuxIndividual1,000€0.39
16 Mar 26Buy€382Guoyu HuangIndividual1,000€0.38
13 Mar 26Buy€394Rashid Ahmed BuxIndividual1,000€0.39
12 Mar 26Buy€201Guoyu HuangIndividual500€0.40
06 Mar 26Buy€190Rashid Ahmed BuxIndividual500€0.38
06 Mar 26Buy€193Guoyu HuangIndividual500€0.39
27 Feb 26Buy€949Rashid Ahmed BuxIndividual2,750€0.35
26 Feb 26Buy€682Guoyu HuangIndividual2,000€0.34
19 Feb 26Buy€513Rashid Ahmed BuxIndividual1,500€0.36
10 Feb 26Buy€307Rashid Ahmed BuxIndividual1,000€0.31
06 Feb 26Buy€155Rashid Ahmed BuxIndividual500€0.31
03 Feb 26Buy€599Rashid Ahmed BuxIndividual2,000€0.30
30 Jan 26Buy€155Rashid Ahmed BuxIndividual500€0.31
23 Jan 26Buy€316Rashid Ahmed BuxIndividual1,000€0.32
15 Jan 26Buy€589Rashid Ahmed BuxIndividual2,000€0.30
12 Jan 26Buy€1,722Rashid Ahmed BuxIndividual6,000€0.30
12 Jan 26Buy€1,111Guoyu HuangIndividual4,000€0.28
31 Dec 25Buy€899Rashid Ahmed BuxIndividual3,000€0.30
23 Dec 25Buy€1,138Rashid Ahmed BuxIndividual4,000€0.29
23 Dec 25Buy€594Guoyu HuangIndividual2,000€0.30
19 Dec 25Buy€1,388Rashid Ahmed BuxIndividual5,000€0.29
19 Dec 25Buy€558Guoyu HuangIndividual2,000€0.29
05 Dec 25Buy€295Guoyu HuangIndividual1,000€0.29
05 Dec 25Buy€29,453Guoyu HuangIndividual100,000€0.29
05 Dec 25Sell€29,453Bux Investments Ltd.Company100,000€0.29
03 Dec 25Buy€295Rashid Ahmed BuxIndividual1,000€0.30
01 Dec 25Buy€1,789Rashid Ahmed BuxIndividual7,500€0.30
28 Nov 25Buy€938Guoyu HuangIndividual4,000€0.23
16 Oct 25Buy€1,074Rashid Ahmed BuxIndividual5,500€0.20
16 Oct 25Buy€1,556Guoyu HuangIndividual8,000€0.20
09 Oct 25Buy€866Guoyu HuangIndividual4,000€0.22
07 Oct 25Buy€323Rashid Ahmed BuxIndividual1,500€0.22
03 Oct 25Buy€3,686Rashid Ahmed BuxIndividual19,500€0.19
03 Oct 25Buy€1,727Guoyu HuangIndividual9,000€0.19
24 Sep 25Buy€399Rashid Ahmed BuxIndividual2,000€0.20
24 Sep 25Buy€870Guoyu HuangIndividual4,500€0.20
15 Sep 25Buy€447Guoyu HuangIndividual2,000€0.22
29 Aug 25Buy€1,455Rashid Ahmed BuxIndividual7,000€0.23
29 Aug 25Buy€212Guoyu HuangIndividual1,000€0.21
21 Aug 25Buy€705Guoyu HuangIndividual3,200€0.23
20 Aug 25Buy€659Rashid Ahmed BuxIndividual3,000€0.22
24 Jul 25Buy€630Guoyu HuangIndividual3,000€0.21
21 Jul 25Buy€418Rashid Ahmed BuxIndividual2,000€0.21
15 Jul 25Buy€427Rashid Ahmed BuxIndividual2,000€0.21
09 Jul 25Buy€323Rashid Ahmed BuxIndividual1,500€0.22
04 Jul 25Buy€773Rashid Ahmed BuxIndividual3,600€0.22
02 Jul 25Buy€598Rashid Ahmed BuxIndividual3,000€0.20
18 Jun 25Buy€615Rashid Ahmed BuxIndividual3,000€0.21

Insider Trading Volume

Insider Buying: 20B insiders have bought more shares than they have sold in the past 3 months.

Ownership Breakdown

What is the ownership structure of 20B?
Owner TypeNumber of SharesOwnership Percentage
Individual Insiders13,145,12612.5%
Private Companies44,631,40542.5%
General Public47,313,68245%

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.

Top Shareholders

Top 6 shareholders own 54.98% of the company
OwnershipNameSharesCurrent ValueChange %Portfolio %
39%
Biomark Technologies Inc
41,004,167€13.3m0%no data
4.99%
James Lavender
5,239,783€1.7m0%no data
4.75%
Guoyu Huang
4,995,112€1.6m0.14%no data
3.06%
Bux Investments Ltd.
3,215,150€1.0m41.3%no data
2.77%
Rashid Ahmed Bux
2,910,231€942.9k0.5%no data
0.39%
Grg Consulting Ltd.
412,088€133.5k0%no data

Company Analysis and Financial Data Status

DataLast Updated (UTC time)
Company Analysis2026/06/10 20:35
End of Day Share Price 2026/06/10 00:00
Earnings2025/12/31
Annual Earnings2025/03/31

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

PackageDataTimeframeExample US Source *
Company Financials10 years
  • Income statement
  • Cash flow statement
  • Balance sheet
Analyst Consensus Estimates+3 years
  • Forecast financials
  • Analyst price targets
Market Prices30 years
  • Stock prices
  • Dividends, Splits and Actions
Ownership10 years
  • Top shareholders
  • Insider trading
Management10 years
  • Leadership team
  • Board of directors
Key Developments10 years
  • Company announcements

* Example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.

Analysis Model and Snowflake

Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.

Learn about the world class team who designed and built the Simply Wall St analysis model.

Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.

Analyst Sources

Biomark Diagnostics Inc. is covered by 0 analysts. 0 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.