Item 4.01 Changes in Registrant's Certifying Accountant.
(a) Dismissal of Independent Registered Public Accounting Firm
On March 25, 2022, the Audit Committee of the Board of Directors (the "Audit
Committee") of Innoviva, Inc. (the "Company"), dismissed Grant Thornton LLP
("Grant Thornton") as the Company's independent registered public accounting
firm, effective immediately.
Grant Thornton's reports on the Company's consolidated financial statements as
of and for the fiscal years ended December 31, 2021 and 2020 did not contain any
adverse opinion or disclaimer of opinion, nor were they qualified or modified as
to uncertainty, audit scope, or accounting principles.
During the fiscal years ended December 31, 2021 and 2020, and the subsequent
interim periods through the date of this Current Report, there were no
disagreements within the meaning of Item 304(a)(1)(iv) of Regulation S-K and the
related instructions between the Company and Grant Thornton on any matters of
accounting principles or practices, financial statement disclosure, or auditing
scope or procedure which, if not resolved to Grant Thornton's satisfaction,
would have caused Grant Thornton to make reference thereto in their reports, and
no "reportable events" within the meaning of Item 304(a)(1)(v) of Regulation
S-K.
The Company provided Grant Thornton with a copy of the disclosure contained
herein, prior to its filing with the Securities and Exchange Commission (the
"Commission"), and requested that Grant Thornton furnish a letter addressed to
the Commission stating whether or not it agrees with the above statements. A
copy of Grant Thornton's letter, dated March 25, 2022, is filed as Exhibit 16.1
to this Form 8-K.
(b) Engagement of New Independent Registered Public Accounting Firm
On March 25, 2022, following an extensive evaluation and competitive process,
the Audit Committee appointed Deloitte & Touche LLP ("Deloitte") as the
Company's new independent registered public accounting firm for the Company's
fiscal year ending December 31, 2022.
During the fiscal years ended December 31, 2021 and 2020 and the subsequent
interim periods through March 25, 2022, neither the Company nor anyone on its
behalf has consulted with Deloitte with respect to any of the matters or
reportable events set forth in Item 304(a)(2)(i) and (ii) of Regulation S-K.
Item 9.01 Financial Statements and Exhibits.
(d) Exhibits.
Exhibit # Description
16.1 Letter from Grant Thornton LLP.
104 Cover Page Interactive File (the cover page tags are embedded within the
Inline XBRL document).
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INNOVIVA, INC. 
