Current Report Filing (8-k)

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, DC 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): February 23, 2017

INNOVIVA, INC.

(Exact Name of Registrant as Specified in its Charter)

Delaware
(State or Other Jurisdiction of
Incorporation)

000-30319
(Commission File Number)

94-3265960
(I.R.S. Employer Identification
Number)

2000 Sierra Point Parkway

Suite 500
Brisbane , California 94005
(650) 238-9600

(Addresses, including zip code, and telephone numbers, including area code, of principal
executive offices)

(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:

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

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

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

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

Item 8.01. Other Events.

On February 23, 2017, GlaxoSmithKline plc (GSK) and Innoviva, Inc. (Innoviva) announced positive results from a non-inferiority lung function study, which demonstrated that patients with well-controlled asthma were able to switch to the once daily RELVAR® ELLIPTA® (fluticasone furoate/vilanterol, FF/VI) 100/25, an inhaled corticosteroid (ICS) /long-acting beta 2 agonist (LABA) combination, from the twice-daily Seretide ® Accuhaler ® (fluticasone propionate /salmeterol, FP/SAL) 250/50, without compromising their lung function. The press release is filed as Exhibit 99.1 to this report and is incorporated herein by reference.

RELVAR® ELLIPTA® has been developed under the LABA collaboration agreement between Glaxo Group Limited and Innoviva.

Item 9.01. Financial Statements and Exhibits.

(d) Exhibits

99.1 Press Release dated February 23, 2017

SIGNATURE

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