PRM
12 June 2026 16:36
8.45 THB
Change (% Change)
+0.25(3.05%)
Volume (Shares)
4,673,515
Value ('000 Baht)
39,111
Unit:Million baht
Assets
Revenue
Net Profit
Quick Downloads
Annual Registration Statement / Annual Report for the Year (Form 56-1 One Report) Year 2025
Management Discussion and Analysis Quarter 1/2026
Financial Statement Quarter 1/2026
Set Announcements
20 May 2026
Notification of the Results of the General Offer for Shares in Prima Marine Public Company Limited by Nathalin Company Limited
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Mr. Chainoi Puankosoom

  • Independent Director
  • Chairman of the Audit Committee
  • Member of the Nomination and Remuneration Committee
Date of appointment as director :22 January 2016
Proportion of shareholding in the Company :Own share:1,500,000 shares (0.060% of total issued shares)
Relationship Persons*:None
Family relationship between director and executive :None
Education Background
  • Master of Business Administration, Sasin Graduate Institute of Business Administration of Chulalongkorn University
  • Bachelor’s degree in Higher Accounting California College of Commerce, U.S.A.
Training Programs by the Thai Institute of Directors Association (IOD)
  • ESG in the Boardroom: A Practical Guide for Board Class in-house Prima & Sea Oil 1/2024
  • Chairing a Virtual Board Meeting (1/2021)
  • The Role of Chairman in Leading Strategic Risk Oversight (2017)
  • The Role of the Chairman Program (RCP 33/2014)
  • Financial Institutions Governance Program (FGP 3/2011)
  • Directors Accreditation Program (DAP 63/2007)
Other Training / Seminars
  • -None-
Working Experiences
2016 - Present Independent Director / Chairman of the Audit Committee / Member of Nomination, Remuneration, Corporate Governance, and Sustainable Development Committee | Prima Marine Public Company Limited
Position in other listed companies
2017 - Present Chairman / Independent Director / Member of the Audit Committee / Chairman of the Compensation and Nomination Committee / Chairman of the Corporate Governance and Sustainable Development Committee | Frasers Property (Thailand) Public Company Limited
2015 - Present Chairman and Independent Director | Tipco Asphalts Public Company Limited
Position in other non-listed companies or organizations
2021 - Present Director | The Education & Public Welfare Foundation (Non-Profit Organization)
2017 - Present Chairman | TRA Land Development Company Limited
2010 - Present Director / Member of the Executive Committee / Member of the Risk Management Committee / Member of the Business Restructuring Committee | National Power Supply Public Company Limited
Working Experiences in the Last 5 Years
2017 - 2022 Independent Director / Chairman of Audit Committee Sapthip Company Limited
Remark:
*Relationship Persons means
1. spouse or cohabiting couple;
2. minor child;
3. juristic person wherein directors, executives and the persons in (1) and (2) hold shares at an aggregate amount exceeding thirty percent of the total voting shares of such juristic person and such aggregate shareholding is the largest proportion thereof.
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