Item 2.01. Completion of Acquisition or Disposition of Assets.

On February 24, 2021, Sunesis Pharmaceuticals, Inc. (the "Company") completed its business combination with Viracta Therapeutics, Inc. ("Viracta"), in accordance with the terms of the Agreement and Plan of Merger and Reorganization, dated November 29, 2020, by and among the Company, Sol Merger Sub, Inc. ("Merger Sub") and Viracta (the "Merger Agreement"), pursuant to which Merger Sub merged with and into Viracta, with Viracta surviving as a wholly owned subsidiary of the Company (the "Merger").

Also, on February 24, 2021, in connection with and immediately prior to the effective time of the Merger (the "Effective Time"), the Company effected a reverse stock split of the Company's common stock, par value $0.0001 per share ("Common Stock"), at a ratio of 3.5:1 (the "Reverse Stock Split"), and changed its name from "Sunesis Pharmaceuticals, Inc." to "Viracta Therapeutics, Inc." (the "Name Change"). Following the completion of the Merger, the business conducted by the Company became primarily the business conducted by Viracta, a clinical-stage, biomarker-directed precision oncology company focused on advancing new medicines for the treatment of virus-associated malignancies.

Under the terms of the Merger Agreement, the Company issued shares of its Common Stock to Viracta's stockholders, at an exchange ratio of 0.3917 shares of Common Stock (prior to taking into account the Reverse Stock Split), in exchange for each share of Viracta's common stock outstanding as of the Effective Time (including the shares of common stock issuable upon conversion of all shares of preferred stock prior to the Effective Time). The Company also assumed all of the stock options issued and outstanding under the Viracta 2016 Equity Incentive Plan, as amended, (the "Viracta Plan") and issued and outstanding warrants of Viracta, with such stock options and warrants henceforth representing the right to purchase a number of shares of Common Stock equal to 0.3917 multiplied by the number of shares of Viracta's common stock previously represented by such stock options and warrants, as applicable, prior to taking into account the Reverse Stock Split.

Immediately following the Effective Time, there were approximately 37.0 million shares of Common Stock outstanding (post Reverse Stock Split). Immediately following the Effective Time, the former Viracta stockholders owned approximately 86.05% of the outstanding shares of Common Stock, and the Company's stockholders immediately prior to the Merger, whose shares of Common Stock remain outstanding after the Merger, owned approximately 13.95% of the outstanding shares of Common Stock.

The issuance of the shares of Common Stock to the former stockholders of Viracta was registered with the U.S. Securities and Exchange Commission (the "SEC") on a Registration Statement on Form S-4 (Reg. No. 333-251567) (the "Registration Statement"). The issuance of the shares of Common Stock to holders of stock options issued, or to be issued, under the Viracta 2016 Equity Incentive Plan will be registered with the SEC on a Registration Statement on Form S-8.

The Common Stock, which was previously listed on The Nasdaq Stock Market LLC ("Nasdaq") and traded through the close of business on February 24, 2021, under the ticker symbol "SNSS," will commence trading on Nasdaq under the ticker symbol "VIRX" on February 25, 2021. The shares previously traded on The Nasdaq Capital Market but will begin trading on The Nasdaq Global Select Market as of February 25, 2021. The Common Stock has a new CUSIP number, 92765F108.

The foregoing description of the Merger Agreement, the Reverse Stock Split and the Name Change do not purport to be complete and are qualified in its entirety by reference to the full text of the Merger Agreement that was filed as Exhibit 2.1 to the Company's Current Report on Form 8-K filed with the SEC on November 30, 2020 and the certificates of amendment to the amended and restated certificate of incorporation to effect the Reverse Stock Split and the Name Change, copies of which are attached as Exhibit 3.1 and Exhibit 3.2 hereto, . . .

Item 3.03. Material Modification to Rights of Security Holders

To the extent required by Item 3.03 of Form 8-K, the information contained in Item 2.01 of this Current Report on Form 8-K is incorporated by reference herein.

As previously disclosed, at a special meeting of the Company's stockholders held on February 22, 2021 (the "Special Meeting"), the Company's stockholders approved the Reverse Stock Split.

On February 24, 2021, in connection with the Merger and effective at 4:02 p.m. Eastern Time, immediately prior to the Effective Time, the Company amended its amended and restated certificate of incorporation to effect the Reverse Stock Split and the Name Change. As of the opening of trading on Nasdaq on February 25, 2021, the Common Stock will begin to trade on a Reverse Stock Split-adjusted basis.

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As a result of the Reverse Stock Split, the number of issued and outstanding shares of Common Stock immediately prior to the Reverse Stock Split was reduced into a smaller number of shares, such that every 3.5 shares of Common Stock held by a stockholder immediately prior to the Reverse Stock Split were combined and reclassified into one share of Common Stock after the Reverse Stock Split. Immediately following the Reverse Stock Split and the Merger, there were approximately 37.0 million shares of Common Stock outstanding.

No fractional shares were issued in connection with the Reverse Stock Split. In accordance with the certificate of amendment to the amended and restated certificate of incorporation of the Company, any fractional shares resulting from the Reverse Stock Split were rounded down to the nearest whole number and each stockholder who would otherwise be entitled to a fraction of a share of Common Stock upon the consummation of the Reverse Stock Split (after aggregating all fractions of a share to which such stockholder would otherwise be entitled) shall, in lieu thereof, be entitled to receive a cash payment in an amount equal to the fraction to which the stockholder would otherwise be entitled multiplied by the closing sales price of a share of Common Stock (as adjusted to give effect to the Reverse Stock Split) as reported on Nasdaq on February 24, 2021, the date the certificate of amendment was filed with the Secretary of State of the State of Delaware.

In accordance with the certificate of amendment to the amended and restated certificate of incorporation of the Company, no corresponding adjustment was made with respect to the Company's authorized Common Stock or Preferred Stock. The Reverse Stock Split has no effect on the par value of Common Stock or Preferred Stock of the Company. Immediately after the Reverse Stock Split, prior to giving effect to the Merger, each stockholder's percentage ownership interest in the Company and proportional voting power remained unchanged, other than as a result of the rounding to eliminate fractional shares, as described in the preceding paragraph. The rights and privileges of the holders of shares of Common Stock will be unaffected by the Reverse Stock Split.

The foregoing descriptions of the certificate of amendment to the amended and restated certificate of incorporation of the Company to effect the Reverse Stock Split are not complete and are subject to and qualified in their entirety by reference to such certificate of amendment to the amended and restated certificate of incorporation, a copy of which is attached as Exhibit 3.1 hereto and is incorporated herein by reference.

Item 5.01. Changes in Control of Registrant.

The information set forth in Item 2.01 of this Current Report on Form 8-K is incorporated by reference into this Item 5.01.

Pursuant to the Merger Agreement, each of the directors of the Company who would not be continuing as directors after the completion of the Merger resigned from the Board of Directors of the Company (the "Board") and any respective committees of the Board to which they belonged as of the closing of the Merger. In connection with the Merger, the size of the Board post-Merger was set at a total of seven directors. Pursuant to the terms of the Merger Agreement, one of such directors was designated by the Company pre-Merger and six of such directors were designated by Viracta.

In accordance with the Merger Agreement, on February 24, 2021, immediately prior to the effective time of the Merger, Steve R. Carchedi, Steven B. Ketchum, Ph.D., Homer L. Pearce, Ph.D., David C. Stump, M.D., H. Ward Wolff, and James W. Young, Ph.D. resigned from the Board and any respective committees of the Board to which they belonged.

Following such resignations and effective as of the Effective Time, the following individuals were appointed to the following classes of the Board, to serve until the next annual meeting of stockholders at which the members of such director's class are to stand for election (subject to the Company's amended and restated bylaws) or until such director's earlier death, resignation or removal or until such director's successor is duly elected and qualified:





                               Director                 Class
                   Roger J. Pomerantz, M.D. (Chair)   Class III
                     Michael Huang, M.S., M.B.A.       Class I
                          Sam Murphy, Ph.D.            Class I
                          Gur Roshwalb, M.D.           Class I
                         Nicole Onetto, M.D.          Class II
                           Thomas E. Darcy            Class II
                          Ivor Royston, M.D.          Class III

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Item 5.02. Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

Pursuant to the Merger Agreement, on February 24, 2021, effective as of the Effective Time, Steve R. Carchedi, Steven B. Ketchum, Ph.D., Homer L. Pearce, Ph.D., David C. Stump, M.D., H. Ward Wolff, and James W. Young, Ph.D. resigned from the Board and any respective committees of the Board on which they served, which resignations were not the result of any disagreements with the Company relating to the Company's operations, policies or practices.

Termination of Executive Officers

Also, pursuant to the Merger Agreement, on February 24, 2021, effective as of the Effective Time, the Company terminated the employment of Parvinder S. Hyare, the Company's interim Chief Executive Officer, Tina Gullota, the Company's Principal Financial Officer, and Judith A. Fox, Ph.D., the Company's Chief Scientific Officer. In connection with the termination of the employment, such officers resigned from all of the positions they held with the Company and its subsidiaries.

Appointment of Officers

Effective as of the Effective Time, the Board appointed Ivor Royston, M.D., as the Company's Chief Executive Officer and President, Daniel Chevallard as the Company's Chief Financial Officer and Secretary, and Lisa Rojkjaer, M.D., as the Company's Chief Medical Officer. There are no family relationships among any of the Company's directors and executive officers.

Ivor Royston, M.D.

Dr. Royston has served as Chief Executive Officer and President of Viracta since 2015, and has served as a member of Viracta's board of directors since October 2007. From 1990 to 2017, Dr. Royston was a Managing Partner of Forward Ventures, a life science venture capital firm. From 1990 to 2000, Dr. Royston also held the position of Chief Executive Officer of the Sidney Kimmel Cancer Center. Prior to that, Dr. Royston was the Director of Clinical Immunology at University of California, San Diego Cancer Center. Dr. Royston was the co-founder of Hybritech, Inc., which developed the PSA test for prostate cancer; and the co-founder of IDEC Corporation, which developed a monoclonal antibody therapy for cancer, and which subsequently merged with Biogen to form Biogen Idec, now Biogen. Dr. Royston currently serves on the board of directors of Biocept, Inc. (NASDAQ:BIOC). Dr. Royston received his B.A. and M.D. degrees from Johns Hopkins University and completed post-doctoral training in internal medicine and medical oncology at Stanford University.

Daniel Chevallard

Mr. Chevallard has served as Chief Financial Officer of Viracta since July 2019. Previously, Mr. Chevallard served as the Chief Financial Officer and principal financial officer at Regulus Therapeutics from May 2017 to July 2019. Mr. Chevallard joined Regulus Therapeutics in December 2012 as Vice President, Accounting and Financial Reporting and served as Vice President, Finance from May 2013 to April 2017. Prior to joining Regulus Therapeutics, Mr. Chevallard held various senior roles in corporate finance, accounting and financial reporting including Controller and Senior Director, Finance of Prometheus Laboratories Inc. (acquired by Nestlé Health Science in July 2011). Prior to joining Prometheus, Mr. Chevallard spent approximately five years in public accounting at Ernst & Young, LLP in their assurance services practice. He received his Bachelor of Accountancy from the University of San Diego and is a Certified Public Accountant in the state of California.

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Lisa Rojkjaer, M.D.

Dr. Lisa Rojkjaer joined Viracta Therapeutics in May 2020 as Chief Medical Officer. Previously, Dr. Rojkjaer served as the Chief Medical Officer at Nordic Nanovector from November 2016 to April 2020. Prior to this, Dr. Rojkjaer held several senior management positions in biotech and global pharmaceutical companies. She was the Global Clinical Program Head for AML at Novartis Oncology from October 2013 to November 2016. Her previous roles also included Chief Medical Officer at Molecular Partners, and Vice President, Head of Clinical Development at MorphoSys AG. Dr. Rojkjaer received her medical degree from the University of Toronto, where she also completed her internal medicine and hematology training.

Agreements with Dr. Royston, Mr. Chevallard, and Dr. Rojkjaer

Viracta has entered into executive employment agreements with each of Dr. Royston, Mr. Chevallard, and Dr. Rojkjaer (the "Employment Agreements"), which are continuing in effect following the closing of the Merger. The Employment Agreements supersede all other or prior agreements with respect to Viracta's named executive officers' employment terms. Employment under the . . .

Item 5.03. Amendments to Articles of Incorporation of Bylaws; Change in Fiscal Year.

To the extent required by Item 5.03 of Form 8-K, the information contained in Item 2.01 and Item 3.03 of this Current Report on Form 8-K is incorporated by reference herein.

Commencing on February 25, 2021, the Company expects the trading symbol for its Common Stock, which is currently listed on Nasdaq, to change from SNSS to VIRX. The change in trading symbol is related solely to the Name Change.

Item 8.01. Other Events.

On February 24, 2021, the Company issued a press release announcing the completion of the Merger. A copy of the press release is filed herewith as Exhibit 99.1.

Item 9.01. Financial Statements and Exhibits.

(a) Financial Statements of Business Acquired

The Company intends to file the financial statements of Viracta required by Item 9.01(a) as part of an amendment to this Current Report on Form 8-K not later than 71 calendar days after the date this Current Report on Form 8-K is required to be filed.

(b) Pro Forma Financial Information

The Company intends to file the pro forma financial information required by Item 9.01(b) as part of an amendment to this Current Report on Form 8-K not later than 71 calendar days after the date this Current Report on Form 8-K is required to be filed.



(d) Exhibits



Exhibit
Number                                    Description

3.1          Certificate of Amendment related to the Reverse Stock Split, filed
           February 24, 2021

3.2          Certificate of Amendment related to the Name Change, filed February 24,
           2021

99.1         Press Release, dated February 24, 2021

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