Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): March 26, 2019



Principia Biopharma Inc.

(Exact name of Registrant as Specified in Its Charter)




Delaware   001-38653   26-3487603

(State or Other Jurisdiction

of Incorporation)

  (Commission File Number)  

(IRS Employer

Identification No.)

220 East Grand Avenue,

South San Francisco, California

(Address of Principal Executive Offices)     (Zip Code)

Registrant’s Telephone Number, Including Area Code: (650) 416-7700


(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 (see General Instructions A.2. below):


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))

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 8.01.

Other Events

On March 26, 2019, a description on clinicaltrials.gov of the Phase 2b clinical trial in multiple sclerosis patients for SAR442168/PRN2246 was listed by Sanofi. Additional information regarding this trial can be found on clinicaltrials.gov. SAR442168/PRN2246 is a proprietary molecule of Principia Biopharma Inc. (the “Company”) that is being developed by Sanofi pursuant to an agreement with the Company. Except as specifically referenced, no information is incorporated by reference herein.


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 thereunto duly authorized.


    Company Name
Date: March 26, 2019     By:  

/s/ Christopher Y. Chai

      Christopher Y. Chai
      Chief Financial Officer