Failure to Satisfy Listing Rule (Form 8-K)

Item 3.01 Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing.

On January 13, 2025, Viracta Therapeutics, Inc. (the "Company") received a written notice (the "Notice") from the Nasdaq Listing Qualifications staff of The Nasdaq Stock Market LLC ("Nasdaq") indicating that, as a result of the previously disclosed resignation of Barry J. Simon, M.D. from the Company's board of directors (the "Board") and audit committee on December 18, 2024, the Company was no longer in compliance with Nasdaq's audit committee requirements under Nasdaq Listing Rule 5605(c)(2). In accordance with Nasdaq Listing Rule 5605(c)(4), the Company has been provided a cure period to regain compliance. The cure period allows the Company to remedy the deficiency by the earlier of (i) its next annual shareholders' meeting or (ii) December 18, 2025. If the next annual shareholders' meeting is held before June 16, 2025, the Company must provide evidence of compliance no later than June 16, 2025.