Company AB Science Deutsche Boerse AG

A8D

FR0010557264

Pharmaceuticals

Market Closed - Deutsche Boerse AG 02:04:54 2026-09-18 EDT			5-day change	1st Jan Change
0.7110 ^EUR	0.00%		+0.71%	-47.87%

09-10	Certain Ordinary Shares of AB Science S.A. are subject to a Lock-Up Agreement Ending on 11-SEP-2026.	CI
08-17	AB Science completes settlement and delivery of its private placement

Business description: AB Science

AB Science specializes in research, development, and sales of kinase protein inhibitors (KPI), therapeutic drugs used in treating cancerous tumors, inflammatory and neuro-degenerative diseases in both humans and animals.

Number of employees: 31

Sales by Activity: AB Science

Fiscal Period: December	2021 (EUR)	2022 (EUR)	2023 (EUR)	2024 (EUR)	2025 (EUR)
Pharmaceuticals	1.61M	958K	970K	1.07M	1.17M

See all business segments

Geographical breakdown of sales: AB Science

Fiscal Period: December	2021 (EUR)	2022 (EUR)	2023 (EUR)	2024 (EUR)	2025 (EUR)
Europe	-	-	-	-	955K
outside Europe	-	-	-	-	219K

See all geographic segments

Executive Committee: AB Science

Manager	Title	Age	Since
Stéphane Ledermann CEO	Chief Executive Officer	-	2026-07-06
Laurent Guy DFI	Director of Finance/CFO	-	2009-11-19
Christian Fassotte CTO	Chief Tech/Sci/R&D Officer	-	2018-03-31
Alexis Bernard PRN	Corporate Officer/Principal	-	-

See AB SCIENCE governance

Composition of the Board of Directors: AB Science

Director	Title	Age	Since
Alain Moussy CHM	Chairman	-	2001-07-10
Patrick Moussy BRD	Director/Board Member	-	2011-09-19
Cécile de Guillebon BRD	Director/Board Member	65	2021-06-26
Catherine Johnston-Roussillon BRD	Director/Board Member	68	2021-06-26
Guillemette Latscha BRD	Director/Board Member	-	2021-06-26
Stéphane Ledermann CHM	Chairman	-	2026-07-06

Composition of the Board of Directors

Shareholders: AB Science

Name	Stocks	%	Valuation
Jean-Claude Marian 26.86 %	25,932,042	26.86 %	21 M €
Gestys SA 0.0155 %	15,000	0.0155 %	12 249 €
UBS Wealth Management SGIIC SA 0.003211 %	3,100	0.003211 %	2 531 €

Name	Stocks	%	Valuation
Friedland Gestion SAS 5.198 %	85,471	5.198 %	33 160 €

Name	Stocks	%	Valuation
Friedland Gestion SAS 4.167 %	64,103	4.167 %	20 403 €

List of AB SCIENCE shareholders

Company details: AB Science

AB Science SA

3, avenue George V

75008, Paris

+33 1 47 20 00 14

http://www.ab-science.com

Specialty & Advanced Pharmaceuticals

Add to a list 0 selected To use this feature you must be a member Log in Sign up	Change	5-day change	1-year change	3-year change	Capi.($)
MERCK & CO., INC.	-0.19%	+2.04%	+80.19%	+36.87%	362B
MERCK KGAA	-1.22%	-1.22%	+19.95%	-19.05%	64.74B
HALOZYME THERAPEUTICS, INC.	+2.53%	+4.90%	+44.52%	+183.96%	12.76B
KYOWA KIRIN CO., LTD.	-0.29%	+2.94%	-4.00%	-15.43%	7.53B
SK BIOPHARMACEUTICALS CO., LTD.	-1.89%	-2.14%	-31.54%	-12.10%	4.38B
YUHAN CORPORATION	-2.06%	-4.41%	-36.00%	+6.54%	4.08B
BETTA PHARMACEUTICALS CO., LTD.	+1.48%	+3.64%	-29.60%	-13.12%	2.96B
SUPERNUS PHARMACEUTICALS, INC.	-2.14%	+0.86%	-8.77%	+51.84%	2.44B
SHENYANG XINGQI PHARMACEUTICAL CO.,LTD.	-0.41%	+1.15%	-23.58%	-34.10%	1.93B
Average	-0.47%	+0.50%	+1.24%	+20.60%	51.46B
Weighted average by Cap.	-0.29%	+1.57%	+65.73%	+30.99%