Form 8-K · Item 4.01 · Auditor change

Autolus Therapeutics plc: auditor change, Ernst & Young LLP (UK) to Ernst & Young LLP (US)

Autolus Therapeutics plc reported in a Form 8-K filed April 16, 2026, that on April 14, 2026, Ernst & Young LLP (UK) was dismissed as its certifying accountant, and Ernst & Young LLP (US) was engaged. The filing reports no disagreements with the former accountant.

In the filing's words

On April 14, 2026, the Audit Committee of the Board of Directors (the “Audit Committee”) of Autolus Therapeutics plc (the “Company”) dismissed Ernst & Young LLP (UK) (“EY UK”) as the Company’s independent registered public accounting firm.
there were no “disagreements” within the meaning of Item 304(a)(1)(iv) of Regulation S-K promulgated under the Securities Exchange Act (“Regulation S-K”) with EY UK on any matter of accounting principles or practices, financial statement disclosure or auditing scope or procedures
On April 14, 2026, the Audit Committee approved the engagement of Ernst & Young LLP (US) (“EY US”) as its new independent registered public accounting firm.

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

CompanyAutolus Therapeutics plc
TickerAUTL
Form and item8-K, Item 4.01
Filed with the SECApril 16, 2026
What the filing statesdismissed, engaged
Former accountantErnst & Young LLP (UK)
New accountantErnst & Young LLP (US)
Date of the changeApril 14, 2026
Disagreementsnone reported
Auditor's letterExhibit 16 on sec.gov
Accession number0001730463-26-000049
SEC CIK0001730463

Autolus Therapeutics plc reported under Form 8-K Item 4.01 (Changes in Registrant's Certifying Accountant), filed April 16, 2026. The filing's own words are quoted above.

Sources

  • sec.gov · SEC filing, Form 8-K, Item 4.01 · accessed 2026-10-24
  • sec.gov · Exhibit 16, the former accountant's letter

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