Company AB Science

AB

FR0010557264

Pharmaceuticals

Market Closed - Euronext Paris 16:55:00 02/09/2026 BST			After hours 17:41:24
0.7400 ^EUR	+0.54%		0.7400	0.00%

08-17	AB Science completes settlement and delivery of its private placement
08-10	AB Science Wraps Up EUR14 Million Private Placements	MT

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

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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	-	06/07/2026
Laurent Guy DFI	Director of Finance/CFO	-	19/11/2009
Christian Fassotte CTO	Chief Tech/Sci/R&D Officer	-	31/03/2018
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	-	10/07/2001
Stéphane Ledermann CHM	Chairman	-	06/07/2026
Patrick Moussy BRD	Director/Board Member	-	19/09/2011
Cécile de Guillebon BRD	Director/Board Member	65	26/06/2021
Catherine Johnston-Roussillon BRD	Director/Board Member	68	26/06/2021
Guillemette Latscha BRD	Director/Board Member	-	26/06/2021

Composition of the Board of Directors

Shareholders: AB Science

Name	Stocks	%	Valuation
Jean-Claude Marian 35.4 %	25,932,042	35.4 %	16 M €
Gestys SA 0.0205 %	15,000	0.0205 %	9 337 €
UBS Wealth Management SGIIC SA 0.004232 %	3,100	0.004232 %	1 930 €

Name	Stocks	%	Valuation
Friedland Gestion SAS 5.198 %	85,471	5.198 %	32 845 €

Name	Stocks	%	Valuation
Friedland Gestion SAS 4.167 %	64,103	4.167 %	20 208 €

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.($)
AB SCIENCE	+0.54%	+3.79%	-38.84%	-75.29%	68.27M
MERCK & CO., INC.	+0.46%	-1.67%	+76.12%	+40.03%	370B
MERCK KGAA	+0.18%	+0.97%	+29.63%	-17.09%	70.44B
HALOZYME THERAPEUTICS, INC.	+1.26%	+1.94%	+48.81%	+166.85%	12.23B
KYOWA KIRIN CO., LTD.	-11.05%	-6.86%	-8.25%	-10.29%	8.79B
SK BIOPHARMACEUTICALS CO., LTD.	-3.03%	+2.25%	-11.94%	+5.12%	5.08B
YUHAN CORPORATION	-1.69%	-2.40%	-27.80%	+21.09%	4.5B
BETTA PHARMACEUTICALS CO., LTD.	-3.55%	-2.68%	-34.57%	-3.62%	3.11B
SUPERNUS PHARMACEUTICALS, INC.	+0.83%	-2.01%	-1.26%	+38.48%	2.54B
SHENYANG XINGQI PHARMACEUTICAL CO.,LTD.	-2.03%	-4.67%	-29.44%	-17.61%	2.05B
Average	-1.81%	-2.21%	+0.25%	+14.77%	47.85B
Weighted average by Cap.	+0.09%	-1.54%	+63.52%	+32.84%