Tungray Technologies Inc.’s Chief Technology Officer, Lei Yao, will leave the role when his resignation takes effect on October 9, 2026. The company says Yao resigned for personal reasons and that the departure does not stem from disagreements over operations, policies or practices, giving investors a stated date and reason for the Leadership change.

Key Highlights

  • Lei Yao submitted his resignation as Tungray Technologies’ chief technology officer on September 9, 2026.
  • The company attributed the departure to personal reasons.
  • Chief Executive Officer Wanjun Yao signed the report on September 11, 2026.

Tungray Technologies Inc. (NASDAQ: TRSG) reported that Chief Technology Officer Lei Yao’s resignation takes effect on October 9, 2026. The resignation was due to personal reasons and was not the result of a disagreement with the company.

CTO Resignation Takes Effect October 9

Lei Yao tendered his resignation on September 9, 2026, and his resignation from the chief technology officer position takes effect on October 9, 2026. The notice identifies personal reasons as the basis for his decision. Wanjun Yao, Tungray Technologies’ chief executive officer, signed on the company’s behalf on September 11, 2026. The signing referenced the Securities and Exchange Act of 1934.

Company Cites No Operational Dispute

Tungray Technologies said Lei Yao’s departure was not caused by disagreement over the company’s operations. The statement also covers its policies and practices.