Seiyu Kogyo

9170.TServices

In English · 5

Fri, Aug 28 · JST1 filing

13:165% STAKESeiyu Kogyo · HOSONUMA Co., Ltd. + 3 joint holders · 87.62% → 78.66%−8.96pp

Fri, Aug 9 · JST2 filings

16:06MATERIALSeiyu Kogyo · Change in parent company or specified subsidiary 12:005% STAKESeiyu Kogyo · Odake Company Co., Ltd · 7.11%new 7.11%

Wed, Jul 24 · JST1 filing

14:56MATERIALSeiyu Kogyo · SEIYU KOGYO Co., Ltd. files extraordinary report

Tue, May 14 · JST1 filing

09:005% STAKESeiyu Kogyo · Yamazaki Gravel Inc. · 5.11% → 5.13%+0.02pp

All EDINET filings · 41

All Financial 7 5% 14 Material 6 Other 14

Filed	Document	Filer	Source
2026-08-28	Large shareholding report	Hosonuma Masahito	S100YSW0
2024-08-09	Large shareholding report	Oodakekanpani	S100U7AS
2024-08-06	Amended large shareholding reportAmends S100TF16	Yamazakijarishouten	S100U645
2024-06-21	Amended large shareholding reportAmends S100TNO3	Hosonuma Masahito	S100TPCD
2024-06-19	Large shareholding report	Hosonuma Masahito	S100TNO3
2024-05-14	Large shareholding report	Yamazakijarishouten	S100TF16
2024-04-05	Amended large shareholding reportAmends S100T3EG	Yamazakijarishouten	S100T7FX
2024-03-22	Large shareholding report	Yamazakijarishouten	S100T3EG
2024-03-18	Amended large shareholding reportAmends S100SKRX	Yamazakijarishouten	S100T2J6
2024-03-15	Amended large shareholding reportAmends S100T181	Yamazakijarishouten	S100T1VH
2024-03-13	Large shareholding report	Yamazakijarishouten	S100T181
2024-03-04	Amended large shareholding reportAmends S100SKRX	Yamazakijarishouten	S100SY7V
2024-01-09	Large shareholding report	Yamazakijarishouten	S100SKRX
2023-10-16	Large shareholding report	Hosonuma Masahito	S100S16J

EDINET catalog 2017-01-01 → 2026-10-03; earlier dates still being collected.