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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

 

 

FORM 8-K

 

 

CURRENT REPORT

Pursuant to Section 13 or 15(d)

of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): July 14, 2025

 

 

Atara Biotherapeutics, Inc.

(Exact name of Registrant as Specified in Its Charter)

 

 

 

Delaware   001-36548   46-0920988

(State or Other Jurisdiction

of Incorporation)

 

(Commission

File Number)

 

(IRS Employer

Identification No.)

 

2380 Conejo Spectrum Street Suite 200  
Thousand Oaks, California   91320
(Address of Principal Executive Offices)   (Zip Code)

Registrant’s Telephone Number, Including Area Code: (805) 623-4211

(Former Name or Former Address, if Changed Since Last Report)

 

 

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

 

Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

 

Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

 

Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

 

Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

 

Title of each class

 

Trading

Symbol(s)

 

Name of each exchange

on which registered

Common Stock, par value $0.0001 per share   ATRA   The Nasdaq Stock Market LLC

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter).

Emerging growth company

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

 

 
 


Item 2.02 Results of Operations and Financial Condition.

In connection with the press release described in Item 8.01 below, on July 14, 2025, Atara Biotherapeutics, Inc. (the “Company”) announced the Company’s cash, cash equivalents and short-term investments as of June 30, 2025. The preliminary estimate is based on currently available information and does not present all necessary information for a complete understanding of the Company’s financial condition as of June 30, 2025 or the Company’s results of operations for the second quarter ended June 30, 2025.

Item 8.01 Other Events.

On July 14, 2025, the Company issued a press release titled “Atara Biotherapeutics Provides Regulatory and Business Updates on Tabelecleucel (Tab-cel®).” A copy of the press release is filed herewith as Exhibit 99.1 and is incorporated by reference into this Item 8.01.

Item 9.01 Financial Statements and Exhibits

(d) Exhibits.

 

Exhibit

No.

   Description
99.1    Press release, dated July 14, 2025
104    Cover Page Interactive Data File (embedded within the Inline XBRL document).

 


SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

 

    ATARA BIOTHERAPEUTICS, INC.
Date: July 14, 2025     By:  

/s/ AnhCo Nguyen Ph.D.

      AnhCo Nguyen, Ph.D.
      President and Chief Executive Officer