什么是5%机制？On Oct 18, 水落 憲吾 submitted the Change Report to Ministry of Finance. The report shows that 水落 憲吾 increased their holdings in $Environmental Control Center (4657.JP)$, with their joint shareholding ratio up from 10.93% to 12.28%.
Source: Edinet Announcement
What is the 5% shareholding reporting system?
Shareholders with holding ratio exceeding 5% must submit a Large Shareholding Report within five business days from that day. If the holding ratio increases or decreases by 1% or more after submitting a Large Shareholding Report, the holder must submit a Change Report within five business days from that day.