Company AB Science

AB

FR0010557264

Pharmaceuticals

Market Closed - Euronext Paris 16:55:00 27/10/2026 GMT			5-day change	1st Jan Change
0.5330 ^EUR	+0.57%		-3.09%	-65.30%

10-09	AB Science S.A. Reports Earnings Results for the Half Year Ended June 30, 2026	CI
10-05	Weekly earnings calendar: PepsiCo kicks off the quarterly marathon

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: 33

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	-	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 26.86 %	25,932,042	26.86 %	17 M €
Gestys SA 0.0155 %	15,000	0.0155 %	10 052 €
UBS Wealth Management SGIIC SA 0.003211 %	3,100	0.003211 %	2 077 €

Name	Stocks	%	Valuation
Friedland Gestion SAS 5.198 %	85,471	5.198 %	32 425 €

Name	Stocks	%	Valuation
Friedland Gestion SAS 4.167 %	64,103	4.167 %	19 950 €

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	+0.57%	-3.09%	-55.13%	-76.72%	47.52M
ELI LILLY AND COMPANY	+0.22%	-0.14%	+55.12%	+128.82%	1,143B
JOHNSON & JOHNSON	+0.91%	+3.61%	+41.21%	+84.57%	647B
ABBVIE INC.	-0.12%	-0.93%	+25.59%	+106.14%	506B
ROCHE HOLDING AG	+0.63%	+2.33%	+49.21%	+67.82%	384B
MERCK & CO., INC.	+0.86%	-4.37%	+61.16%	+37.93%	350B
NOVARTIS AG	+1.02%	+1.80%	+24.84%	+53.75%	293B
ASTRAZENECA PLC	-0.25%	+1.62%	+2.20%	+26.65%	265B
AMGEN INC.	+0.75%	+2.05%	+53.85%	+71.25%	242B
GILEAD SCIENCES, INC.	+0.25%	+1.64%	+32.05%	+107.62%	197B
Average	+0.48%	+0.45%	+29.01%	+60.78%	402.76B
Weighted average by Cap.	+0.44%	+0.71%	+42.24%	+88.46%