Japan Insider Activity (EDINET) — 2026-08-18

by japan-insider-activities-daily

🇯🇵 EDINET DB Report — 2026-08-18

🔁 BUYBACK — 7318 Serendip Holdings Read: Company announced a new share repurchase authorization (取得に係る事項の決定), a management-confidence signal.

🔁 BUYBACK — 2221 Iwatsuka Confectionery Read: Company simultaneously authorized a new buyback program and executed a ToSTNeT-3 off-auction purchase on the same day.

🔁 BUYBACK — 6822 Oi Electric Read: Company simultaneously authorized a new buyback program and executed a ToSTNeT-3 off-auction purchase on the same day.

🔁 BUYBACK — 7083 AHC Group Read: Company announced a new buyback authorization and also executed a ToSTNeT-3 off-auction purchase on the same day.

🔁 BUYBACK — 8560 Miyazaki Taiyo Bank Read: Bank executed a ToSTNeT off-auction share purchase and separately filed an amendment to the terms of its existing buyback authorization.

🔁 BUYBACK — 325A TENTIAL Read: Company conducted a ToSTNeT-3 off-auction share purchase.

🔁 BUYBACK — 6191 Airtrip Read: Company disclosed the result of its ToSTNeT-3 off-auction share purchase.

🔁 BUYBACK — 4769 IC Read: Company disclosed its ToSTNeT-3 purchase result and announced the buyback program has now concluded.

🔁 BUYBACK — 7716 Nakanishi Read: Company disclosed its ToSTNeT-3 purchase result and announced the buyback program has now concluded.

🔁 BUYBACK — 2326 Digital Arts Read: Company reported monthly buyback progress and announced the repurchase program is complete.

🎯 TOB — 3844 Comture Read: Comture has self-disclosed a regulatory share-accumulation notice (pre-TOB stake-build equivalent) alongside a notice that the current major-shareholder structure is expected to change — the accumulating party is not named in this filing.

🎯 TOB — 8190 Yamanaka ← Okaya Real Estate Read: Okaya Real Estate has filed a regulatory share-accumulation notice (the government-ordinance equivalent of a pre-TOB stake-build) in Yamanaka, with a change of major shareholders expected to follow.

🎯 TOB — 6171 Civil Engineering Management Research Institute ← Feel Inc. (withdrawal) Read: Feel Inc. has withdrawn its share-accumulation campaign against Civil Engineering Management Research Institute (price: see filing). Source: https://www.dksiken.co.jp/ir-news/ir_202608-di04-pdf/

📊 GUIDANCE REVISED — 3174 Happiness & D Read: Company revised its FY2026 August full-year consolidated and standalone earnings forecasts; direction unclear — see filing.

📊 GUIDANCE REVISED — 2735 Watts Read: Company revised both its earnings forecast and dividend forecast for the period; direction unclear — see filing.

🔴 DISTRIBUTING — 7523 Art Vivant ← Hiroyuki Maki, 39.93% (decreased by 0.20pp from prior filing) Read: The 0.20pp slip is driven by a change in collateral-contract terms rather than open-market selling, and Maki's stated intent to pursue activist-style proposals and direct management participation at his 39.93% controlling stake remains unchanged.