Person profile
The Polish National Court Register first listed Michał Jacek Prostacki on October 15, 2015. Since that filing the registry has recorded 3 role changes across 1 entity - 3 appointments to management or supervisory boards, prokura, and shareholder positions, and 0 resignations or dissolutions. 2 of those roles are still active today.
Total professional activity in the registry spans 10 years and 7 months (October 15, 2015 – May 5, 2026), covering 2 distinct role assignments. The timeline below plots every appointment, end-of-role and capital-share change in chronological order; each event links to the underlying KRS filing.
Recent and historical entities include "TUWIM - BIS" JOLANTA PROSTACKA, MICHAŁ PROSTACKI SPÓŁKA JAWNA.
Use the timeline to read continuity and gaps: clusters of new appointments often correspond to a founding wave, while a cluster of resignations may signal a portfolio reshuffle or exit. Each event card carries the role title, the entity, and the date the change was filed in the registry.
3 registry events linked to Michał Jacek Prostacki between 2015–2026: 3 appointments or foundings and 0 resignations or dissolutions across 1 entity.
2015
15 października 2015
Co-founds the company together with J**** P**** and K**** P****; the role of Członek Organu
Tuwim - BIS Jolanta Prostacka, Michał Prostacki