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CHYY Development Group Limited — Investor Relations & Filings

Ticker · 8128 HKEX Electricity, gas, steam and air conditioning supply
Open in API
Filings indexed 1,519 across all filing types
Latest filing 2025-10-15 Transaction in Own Shar…
Country HK Hong Kong
Listing HKEX 8128

About CHYY Development Group Limited

http://www.chyy.com.hk

CHYY Development Group Limited is an investment holding company specializing in the research, development, promotion, and utilization of shallow ground source energy. The company provides comprehensive geothermal energy solutions, primarily for building heating, cooling, and domestic hot water supply. Core activities include the manufacturing and sale of renewable energy equipment, such as geothermal energy systems, heat pump products, pump wells, and buried pipes. The Group offers installation services, technical support, and full-spectrum technical services related to shallow ground energy development. Key product offerings include Distributed Geothermal Energy Cold/Heat Source Stations and Geothermal Energy Heat Pump Environmental Systems, often leveraging proprietary single-well pumping and injection technology. The company also provides property management services.

Recent filings

Filing Released Lang Actions
NEXT DAY DISCLOSURE RETURN
Transaction in Own Shares Classification · 1% confidence The document is a mandatory Next Day Disclosure Return under the Hong Kong Stock Exchange Main Board/GEM Rules (form FF305) detailing the issuer’s repurchase and sale of its own shares and changes in issued shares/treasury shares. It is not an earnings release, annual report, or general regulatory announcement but a specific report on share buybacks/treasury share transactions. This aligns with “Transaction in Own Shares” (Code: POS).
2025-10-15 English
NEXT DAY DISCLOSURE RETURN
Transaction in Own Shares Classification · 1% confidence The document is a Next Day Disclosure Return (Form FF305) filed under Hong Kong Stock Exchange rules, detailing the issuer’s changes in issued shares and treasury shares, including on-market share repurchases and repurchase mandate details. This constitutes a company report on transactions in its own shares (share buybacks and treasury share changes). According to our taxonomy, this matches the Transaction in Own Shares category (POS).
2025-10-14 English
NEXT DAY DISCLOSURE RETURN
Transaction in Own Shares Classification · 1% confidence The document is the Hong Kong Stock Exchange FF305 Next Day Disclosure Return detailing changes in issued and treasury shares, specifically share repurchases on-market and confirmation under Main Board/GEM Rules. This is a direct report of the company buying back its own shares, fitting the “Transaction in Own Shares” category.
2025-10-13 English
NEXT DAY DISCLOSURE RETURN
Transaction in Own Shares Classification · 1% confidence The document is a Form FF305 “Next Day Disclosure Return” required by the HKEX Main Board/GEM Rules, detailing share repurchases (treasury shares) and changes in issued shares for CHYY Development Group. It provides granular trading date, number of shares repurchased, prices, and balances – i.e., a report of transactions in the company’s own shares. This matches the “Transaction in Own Shares” category (Code: POS).
2025-10-09 English
NEXT DAY DISCLOSURE RETURN
Transaction in Own Shares Classification · 1% confidence The document is a Next Day Disclosure Return (Form FF305) detailing changes in issued shares or treasury shares, including repurchases and the repurchase report under HKEX Main Board/GEM rules. It discloses the company’s own share repurchase activity and treasury share transactions, fitting the definition of a Transaction in Own Shares (POS).
2025-10-08 English
NEXT DAY DISCLOSURE RETURN
Transaction in Own Shares Classification · 1% confidence The document is the Hong Kong Exchange Next Day Disclosure Return (Form FF305) reporting changes in issued shares and a share repurchase of 1,000,000 ordinary shares, including a detailed repurchase report under Main Board Rule 10.06. This is a direct report of the company buying back its own shares. Such filings are classified as 'Transaction in Own Shares' (POS).
2025-10-03 English

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