Form 8-K · Item 4.01 · Auditor change

Coherus Oncology, Inc.: auditor change, Ernst & Young LLP to PricewaterhouseCoopers LLP

Coherus Oncology, Inc. reported in a Form 8-K filed June 15, 2026, that on June 12, 2026, Ernst & Young LLP was dismissed as its certifying accountant, and PricewaterhouseCoopers LLP was engaged. The filing reports no disagreements with the former accountant.

In the filing's words

On June 12, 2026, the Audit Committee (the “Audit Committee”) of the Board of Directors of Coherus Oncology, Inc. (the “Company”) dismissed Ernst & Young LLP (“EY”) as the Company’s independent registered public accounting firm, with dismissal effective as of such date.
there were no “disagreements” (as defined in Item 304(a)(1)(iv) of Regulation S-K) with EY on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure
On June 12, 2026, the Audit Committee of the Board of Directors of the Company selected PricewaterhouseCoopers LLP (“PwC”) to be appointed to serve as the Company’s independent registered public accounting firm for the fiscal year ending December 31, 2026

Verbatim from sec.gov, Item 4.01 (Changes in Registrant's Certifying Accountant). We quote the filing; we do not characterize it.

CompanyCoherus Oncology, Inc.
TickerCHRS
Form and item8-K, Item 4.01
Filed with the SECJune 15, 2026
What the filing statesdismissed, engaged
Former accountantErnst & Young LLP
New accountantPricewaterhouseCoopers LLP
Date of the changeJune 12, 2026
Disagreementsnone reported
Auditor's letterExhibit 16 on sec.gov
Accession number0001104659-26-074090
SEC CIK0001512762

Coherus Oncology, Inc. reported under Form 8-K Item 4.01 (Changes in Registrant's Certifying Accountant), filed June 15, 2026. The filing's own words are quoted above.

Sources

  • sec.gov · SEC filing, Form 8-K, Item 4.01 · accessed 2026-10-23
  • sec.gov · Exhibit 16, the former accountant's letter

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