Company AB Science

AB

FR0010557264

Pharmaceuticals

Market Closed - Euronext Paris Other stock markets 18:55:00 03/08/2026 +03			After hours 22:59:22
0.6120 ^EUR	+13.12%		0.6130	+0.16%

07-13	AB Science to Discontinue Three Masitinib-related Clinical Studies	MT
07-10	AB Science streamlines its portfolio and refocuses on two molecules

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

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Executive Committee: AB Science

Manager	Title	Age	Since
Stéphane Ledermann CEO	Chief Executive Officer	-	07/07/2026
Laurent Guy DFI	Director of Finance/CFO	-	20/11/2009
Christian Fassotte CTO	Chief Tech/Sci/R&D Officer	-	01/04/2018
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	-	11/07/2001
Patrick Moussy BRD	Director/Board Member	-	20/09/2011
Cécile de Guillebon BRD	Director/Board Member	64	27/06/2021
Catherine Johnston-Roussillon BRD	Director/Board Member	68	27/06/2021
Guillemette Latscha BRD	Director/Board Member	-	27/06/2021
Stéphane Ledermann CHM	Chairman	-	07/07/2026

Composition of the Board of Directors

Shareholders: AB Science

Name	Stocks	%	Valuation
UBS Wealth Management SGIIC SA 0.004443 %	3,100	0.004443 %	3 137 €

Name	Stocks	%	Valuation
Friedland Gestion SAS 5.198 %	85,471	5.198 %	32 638 €

Name	Stocks	%	Valuation
Friedland Gestion SAS 4.167 %	64,103	4.167 %	20 081 €

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	+13.12%	+19.77%	-57.14%	-82.36%	49.8M
MERCK & CO., INC.	-1.87%	-2.29%	+59.99%	+20.85%	322B
MERCK KGAA	-0.49%	+2.37%	+32.94%	-10.44%	71.6B
HALOZYME THERAPEUTICS, INC.	-0.33%	+0.97%	+37.14%	+95.42%	9.79B
KYOWA KIRIN CO., LTD.	-1.53%	-3.92%	-2.67%	-7.72%	8.39B
SK BIOPHARMACEUTICALS CO., LTD.	-0.76%	-2.73%	-16.42%	-13.85%	4.3B
YUHAN CORPORATION	+0.14%	-1.74%	-34.69%	+6.15%	3.81B
BETTA PHARMACEUTICALS CO., LTD.	-2.35%	-3.72%	-14.99%	+13.09%	3.58B
SUPERNUS PHARMACEUTICALS, INC.	+3.07%	-2.09%	+24.16%	+44.43%	2.59B
SHENYANG XINGQI PHARMACEUTICAL CO.,LTD.	+0.47%	+10.40%	+0.22%	-2.76%	2.25B
Average	+0.92%	+0.98%	+2.85%	+6.28%	42.79B
Weighted average by Cap.	-1.40%	-0.03%	+50.93%	+16.22%