什么是5%机制？On Oct 25, セーラー広告取引先持株会 理事長 小松義彦 submitted the Large Shareholding Report to Ministry of Finance to disclose its 5.02% ownership of the shares in $Saylor Advertising (2156.JP)$.
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.