Welby 4438.T · JPY

Its shares trade on Tokyo Stock Exchange under the ticker 4438.T. It has been listed since 29 March 2019. In the fiscal year to 31 December 2025, it reported revenue of ¥635.7m and a net loss of ¥539.7m. At that date it held total assets of ¥1.05bn and shareholders' equity of ¥272.3m.

Welby, Inc. engages in the development of patient health record platform services. The company is headquartered in Chuo-Ku, Tokyo-To. The company went IPO on 2019-03-29. The firm operates business aiming at establishing the PHR platform in the medical field. The firm provides disease solution service and Welby My Carte service. The disease solution service is the development of the PHR platform at the request of the pharmaceutical companies. The Welby My Carte service is a company-owned cloud service that supports self-management of patients' living habits, such as diabetes and hypertension, among others.

Figures and description from our data supplier, not checked against the company's own report.

• Mr. Masashi ShintaniChief Marketing Officer, Director of Marketing, Executive Officer
• Mr. Akihito IokawaExecutive Officer, Deputy Director of Marketing, since 2023
• Mr. Yoshihiro AsakawaExecutive Officer, Director of Product Development, since 2023
• Mr. Tetsuya HayashiExecutive Officer, Director of Service Development, since 2022
• Mr. Takeru HikiRepresentative Director, since 2011
• Mr. Masakazu NakajimaDirector
• Mr. Takeshi YamamotoDirector
• Mr. Taro IshibashiIndependent Director
• Mr. Naoya MatsumotoIndependent Director
• Mr. Daiki NakazawaDirector in charge of Corporate Unit, since 2023

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