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Matthew Proud, Plantro and the Battle Over Dye & Durham

This page covers only public-business matters: Matthew Proud's former CEO role, Plantro ownership, the special-meeting requisition, the sale campaign, the cooperation agreement, the acquisition proposal, its withdrawal, and the disclosed legal dispute with the company. It does not investigate private personal life.

Document-driven · Last verified October 2026TSX: DND

Public-business role

Matthew Proud is a former CEO of Dye & Durham. Through Plantro Ltd., an entity linked to him, he became an activist shareholder in 2025, requisitioning a special meeting of shareholders, calling for board changes and a sale of the company, and making — then withdrawing — an acquisition proposal. This page covers only public-business matters and does not investigate private personal life.

What activist shareholders claimInterested-party statements — not independent findings
  • Plantro (linked to Matthew Proud), July 2025

    Requisitioned a shareholder meeting to reconstitute the board and pursue a sale.

  • Plantro, July 2025

    Alleged approximately C$1 billion of shareholder value had been destroyed.

  • Plantro, Oct 2025

    Made an unsolicited acquisition proposal for Dye & Durham, later withdrawn.

Timeline of public-business events

  • Former CEO: Matthew Proud served as CEO of Dye & Durham (departed 2024).
  • July 2025: Plantro requisitioned a shareholder meeting and called for a sale.
  • July 2025: Dye & Durham announced a strategic review.
  • Oct 2025: Plantro made an acquisition proposal; the company's strategic committee reviewed it.
  • 20 Oct 2025: Plantro withdrew its proposal.
  • Oct 2025: Dye & Durham disclosed a legal action against Plantro.

Related

Frequently asked questions

Who is Matthew Proud?

Matthew Proud is a former CEO of Dye & Durham. He is linked to Plantro Ltd., the activist shareholder that requisitioned a meeting and called for a sale of the company.

What is Matthew Proud's relationship to Plantro?

Plantro Ltd. is linked to Matthew Proud. This site covers only public-business matters related to that relationship.

DYE & DURHAM FILES

Independent Investigative Publication — Not Affiliated with Dye & Durham Limited

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Disclaimer: Dye & Durham Files is an independent publication and is not affiliated with Dye & Durham Limited. This website reports and analyzes information contained in securities filings, audited financial statements, SEDAR+ records, regulator actions, company announcements, shareholder communications and attributable news reporting. Statements made by activist shareholders or other interested parties are identified as such and are not presented as independent findings of fact. Historical regulatory restrictions are updated to reflect subsequent revocation, remediation or other material developments.

© 2026 Dye & Durham Files. For informational purposes only — not investment, legal or financial advice.

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