Japan Insider Activity (EDINET) — 2026-05-21

by japan-insider-activities-daily

🇯🇵 EDINET DB Report — 2026-05-21

🔁 BUYBACK — 7067 Branding Technology — NEW authorization Read: Board resolved a new share repurchase program; size and period not yet disclosed in this announcement.

🔁 BUYBACK — 9405 Asahi Broadcasting Group Holdings — NEW authorization Read: Board approved a new buyback authorization — a management-confidence signal ahead of the filing with full terms.

🔁 BUYBACK — 5257 Nova System — NEW authorization Read: Board resolved a new repurchase program; terms to be confirmed in the formal disclosure.

🔁 BUYBACK — 325A TENTIAL — NEW authorization Read: Board approved a new share buyback authorization.

🔁 BUYBACK — 3997 Trade Works — NEW authorization Read: Board approved a new share repurchase program.

🔁 BUYBACK — 7751 Canon — ToSTNeT-3 off-auction result Read: Canon disclosed results of a completed ToSTNeT-3 off-auction share purchase.

🔁 BUYBACK — 1822 Daiho Construction — ToSTNeT-3 result, program complete Read: Daiho Construction completed its ToSTNeT-3 buyback and closed the repurchase program.

🔁 BUYBACK — 3121 Merchant Bankers — ToSTNeT-3 off-auction purchase Read: Merchant Bankers announced an off-auction ToSTNeT-3 share repurchase.

🔁 BUYBACK — 365A Izawa Towel — open-market + ToSTNeT-3 purchase Read: Izawa Towel announced a combined open-market and ToSTNeT-3 off-auction buyback.

🔁 BUYBACK — 7538 Daisui — open-market + ToSTNeT-3 purchase Read: Daisui announced a combined open-market and ToSTNeT-3 off-auction share purchase.

🔁 BUYBACK — 7255 Sakurai Seisakusho — ToSTNeT-3 off-auction purchase Read: Sakurai Seisakusho announced a ToSTNeT-3 off-auction share repurchase.

🔁 BUYBACK — 7814 Nihon Sohatsu Group — ToSTNeT-3 result, program complete Read: Nihon Sohatsu Group completed its ToSTNeT-3 buyback and closed the repurchase program.

🔁 BUYBACK — 3861 Oji Holdings — monthly progress, program complete Read: Oji Holdings reported final repurchase progress and closed its buyback program.

🔁 BUYBACK — 7320 Solvvy — period extension Read: Solvvy extended the end date of its existing buyback program, reaffirming management's commitment to the repurchase.

🔁 BUYBACK — 9532 Osaka Gas — share cancellation Read: Osaka Gas announced cancellation of treasury shares, permanently reducing total share count.

🔁 BUYBACK — 9069 Senko Group Holdings — third-party committee (distributable-amount breach) Read: Senko Group established an independent investigation committee after executing a buyback that exceeded its legally distributable surplus — a governance red flag, not a bullish capital-return signal.

🔴 DISTRIBUTING — 3562 No.1 ← Growth Partners, 2.74% (decreased by 0.11pp from prior filing) Read: Growth Partners made a minor trim of its No.1 stake while still holding as a business-alliance partner — no exit signal, but direction is negative.

🔴 DISTRIBUTING — 9853 Ginza Renoir ← Kenichi Shioi, 6.99% (decreased by 1.01pp from prior filing) Read: Individual holder Kenichi Shioi cut his stake by 1.01pp and formally declared a strategy shift from long-term holding to partial-or-full disposal — a meaningful supply overhang to watch.

🔵 MAINTENANCE — 1771 Nippon Kanryu Industries ← Itochu Marubeni Nissho Steel, 5.68% Read: Itochu Marubeni Nissho Steel filed a large-holding report at 5.68% as a policy investment to deepen its supplier relationship with Nippon Kanryu Industries — no change in holding size disclosed.