Investor relations

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Shareholding

Cezary Kozanecki
(directly and through Melhus Company Ltd)
Mariusz Książek
(through Książek Holding Sp. z o.o.)
Nationale-Nederlanden OFE
Other shareholders
Shareholder Number of shares Share in share capital Number of votes Share in total number of votes
Cezary Kozanecki
(directly and through Melhus Company Ltd) 		2 097 180 24,03% 2 097 180 24,03%
Mariusz Książek
(through Książek Holding Sp. z o.o.) 		1 376 143 15,76% 1 376 143 15,76%
Nationale-Nederlanden OFE 635 176 7,28% 635 176 7,28%
Other shareholders 4 620 630 52,93% 4 620 630 52,93%
TOTAL 8 729 129 100% 8 729 129 100%

Latest reports

Published Report Description  
20.05.2026 ESPI 16/2026 List of shareholders holding at least 5% of the total number of votes at the Extraordinary Shareholder Meeting on 19 May 2026 Download
19.05.2026 ESPI 15/2026 Resolutions adopted by the Extraordinary Shareholder Meeting of Syn2bio SA on 19 May 2026 Download
29.04.2026 ESPI 14/2026 Dates of publication of periodic reports Download
Current reports

Upcoming events

13.08.2026

Publication of standalone quarterly report (SA-Q) for Q3/FY2025 (Q2 of the calendar year 2026)

14.07.2026

Beginning of closed period before publication of quarterly results

25.06.2026

Publication of standalone interim report (SA-P) for H1/ FY2025 (Q4 of the calendar year 2025 and Q1 of the calendar year 2026)

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Investor relations

phone: +48 22 327 09 10