Japan Insider Activity (EDINET) — 2026-06-05

by japan-insider-activities-daily

🇯🇵 EDINET DB Report — 2026-06-05

🟢 ACCUMULATING — 2186 Souval ← Evercore, 42.61% (increased by 2.58pp from prior filing) Read: Evercore deepened its position in Souval to 42.61%, with the incremental stake tied to a change in collateral arrangements under its existing stable-shareholder agreement.

🔁 BUYBACK — New authorization • 2353 Nihon Parking Development • 3360 Ship Healthcare Holdings • 5592 Kusuri no Madoguchi • 6866 Hioki • 7039 Bridge International • 2477 Temairazu Read: Six companies authorized new share repurchase programs, each a management signal of confidence in their own valuation.

🔁 BUYBACK — New authorization + ToSTNeT-3 • 7502 Plaza Holdings Read: Plaza Holdings authorized a new buyback program and simultaneously placed a ToSTNeT-3 off-hours purchase order.

🔁 BUYBACK — ToSTNeT-3 result • 8084 RYODEN Read: RYODEN disclosed the execution result of its ToSTNeT-3 off-hours share repurchase.

🔁 BUYBACK — Cancellation • 9678 Kanamot Read: Kanamot cancelled treasury shares via formal retirement, permanently reducing its total share count.

🔁 BUYBACK — Authorization amendment • 9678 Kanamot Read: Kanamot filed a partial amendment to the terms of its existing buyback authorization.

🔁 BUYBACK — Monthly progress • 325A TENTIAL • 2801 Kikkoman • 9532 Osaka Gas • 6859 ESPEC • 7273 Ikuyo • 7381 CCI Group • 6850 Chino • 9022 JR Central • 9005 Tokyu • 137A Cocolive • 7441 Misumi • 6532 BayCurrent • 4671 Falco Holdings • 6981 Murata Manufacturing • 8336 Musashino Bank • 5461 Chubu Steel Plate • 8766 Tokio Marine Holdings ×2 • 2804 Bulldog Sauce • 6448 Brother Industries • 2928 A-RIZAP G • 3549 Kusuri no Aoki Holdings • 1812 Kajima • 7417 Nanyo • 4063 Shin-Etsu Chemical • 5121 Fujikura Composites • 7378 Ashiro Read: 27 filings across 26 companies reporting routine monthly execution progress on active repurchase mandates — no individual surprise.

🔁 BUYBACK — Completion • 409A Orion Beer • 3623 Billing System • 7366 LITALICO • 2337 Ichigo • 1964 Chugai-ro • 3086 J. Front Retailing Read: Six companies closed out their buyback programs, having fully utilized their authorized repurchase capacity.

🎯 TOB — 2331 ALSOK (launch amendment) Read: ALSOK filed a correction to the commencement announcement for TCG2511's tender offer for Nihon Dry Chemical ordinary shares; price: see filing.

📊 GUIDANCE REVISED — 6675 Saxa Read: Saxa revised its consolidated earnings forecast; direction unclear — see filing.

📊 GUIDANCE REVISED — 6866 Hioki Read: Hioki revised both its consolidated earnings forecast and dividend forecast; direction unclear — see filing.

📊 GUIDANCE REVISED — 6309 Tomoe Kogyo Read: Tomoe Kogyo revised its earnings forecast; direction unclear — see filing.

📊 GUIDANCE REVISED — 7777 3D Matrix Read: 3D Matrix revised its earnings forecast; direction unclear — see filing.

🔵 MAINTENANCE • 9960 Totech ← FMR LLC 9.22% Read: FMR LLC (Fidelity) filed an administrative correction to a 2020 large-holding report that exceeded EDINET's 5-year archive window and was resubmitted as a new form due to system constraints; no change to current economic position.