Form 8-K · Item 4.01 · Auditor change
Applied Optoelectronics, Inc.: auditor change, PricewaterhouseCoopers LLP engaged
Applied Optoelectronics, Inc. reported in a Form 8-K filed May 8, 2026, that on May 4, 2026, PricewaterhouseCoopers LLP was engaged. The filing reports no disagreements with the former accountant.
In the filing's words
on May 4, 2026, the Committee approved the dismissal of Grant Thornton as the Company’s independent registered public accounting firm.
there were no disagreements (as defined in Item 304(a)(1)(iv) of Regulation S-K and the related instructions) with Grant Thornton on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedures
on May 4, 2026, the Committee approved the appointment of PricewaterhouseCoopers LLP (“PwC”) 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.
| Company | Applied Optoelectronics, Inc. |
|---|---|
| Ticker | AAOI |
| Form and item | 8-K, Item 4.01 |
| Filed with the SEC | May 8, 2026 |
| What the filing states | dismissed, engaged |
| Former accountant | Not established by the filing |
| New accountant | PricewaterhouseCoopers LLP |
| Date of the change | May 4, 2026 |
| Disagreements | none reported |
| Auditor's letter | Exhibit 16 on sec.gov |
| Accession number | 0001683168-26-003572 |
| SEC CIK | 0001158114 |
Applied Optoelectronics, Inc. reported under Form 8-K Item 4.01 (Changes in Registrant's Certifying Accountant), filed May 8, 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
Documented unknowns
- former_auditor: The excerpts do not print "Grant Thornton LLP" as the former auditor.
More: all auditor changes · Something wrong? Send a correction with the primary source.