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- Auditor Change (new) — The company changed auditors from PwC to KPMG, which can signal underlying issues though none were disclosed here.
iRhythm switches auditors from PwC to KPMG, cites no accounting disputes
Filed April 1, 2026 · Period ending March 30, 2026 · ~1 min read
Key Changes
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high
iRhythm dismissed PricewaterhouseCoopers and hired KPMG as its independent auditor effective March 30, 2026. The change applies to fiscal year 2026 financial statements.
Item 4.01 verify on EDGAR → -
medium
Company disclosed no disagreements with PwC on accounting principles, financial disclosures, or audit procedures during 2024-2025 or the interim period through dismissal.
Item 4.01 verify on EDGAR → -
medium
No reportable events occurred with PwC, meaning no material weaknesses, control issues, or qualified opinions were identified in recent audits.
Item 4.01 verify on EDGAR → -
low
iRhythm had not previously consulted KPMG on accounting matters prior to the engagement, indicating a clean transition to the new auditor.
Item 4.01 verify on EDGAR →
Summary
iRhythm replaced its longtime auditor PricewaterhouseCoopers with KPMG on March 30, 2026, a move that always warrants investor attention even when presented as routine. The company took pains to clarify there were no accounting disagreements, no disputes over financial disclosures, and no reportable events like material weaknesses in internal controls during PwC's final years as auditor.
PwC's prior audit reports contained no adverse opinions. While auditor changes can be benign—driven by cost, service quality, or board preferences—they sometimes precede accounting restatements or reveal hidden friction. The clean language here suggests a planned transition rather than a crisis dismissal.
Retail investors should monitor iRhythm's next 10-K filing (due early 2027) to see if KPMG flags any issues PwC missed, and watch for any amendments to prior-period financials. If the company's accounting remains stable under KPMG's first audit, this change will likely prove immaterial.
Section-by-Section Diff
Event · Item 4.01 — Changes in Registrant's Certifying Accountant
Item 4.01 — Changes in Registrant's Certifying Accountant filed; see Key Changes for terms.
Added in current filing · verify on EDGAR →
On March 30, 2026, the Audit Committee of the Board of Directors (the “Audit Committee”) of iRhythm Holdings, Inc. (the “Company”) dismissed PricewaterhouseCoopers LLP (“PwC”) as the Company’s independent registered public accounting firm.
The Audit Committee terminated PwC as the company's independent auditor on March 30, 2026. The filing states there were no disagreements on accounting principles, financial statement disclosure, or auditing procedures during the two most recent fiscal years and subsequent interim period. PwC's prior audit reports contained no adverse opinions or disclaimers.
Added in current filing · verify on EDGAR →
On March 30, 2026, the Audit Committee approved the engagement of KPMG LLP (“KPMG”) as the Company’s independent registered public accounting firm for the fiscal year ending December 31, 2026.
KPMG was appointed as the new independent auditor for fiscal year 2026. The company had not previously consulted KPMG on accounting principles or audit opinions during the two most recent fiscal years or interim period through the engagement date.
Show 1 minor / wording change
Added in current filing · verify on EDGAR →
During the Company’s two most recent fiscal years ended December 31, 2025 and December 31, 2024, and the subsequent interim period through March 30, 2026, (i) there were no “disagreements” (within the meaning set forth in Item 304(a) (1) (iv) of Regulation S-K) between the Company and PwC on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure, which disagreements, if not resolved to PwC’s satisfaction, would have caused PwC to make reference to the subject matter of the disagreements in connection with their reports; and (ii) there were no “reportable events” (within the meaning set forth in Item 304(a) (1) (v) of Regulation S-K).
The company explicitly disclosed no disagreements with PwC on accounting matters and no reportable events during fiscal years 2024-2025 and the interim period through the dismissal date. This suggests the auditor change was not driven by accounting disputes or control issues.
Event · Item 9.01 — Financial Statements and Exhibits
iRhythm disclosed a letter from PricewaterhouseCoopers LLP dated March 31, 2026, typically indicating auditor change or resignation.
Added in current filing · verify on EDGAR →
Letter from PricewaterhouseCoopers LLP dated March 31, 2026.
The 8-K discloses a letter from PricewaterhouseCoopers LLP dated March 31, 2026. Item 9.01 filings that reference auditor letters typically relate to auditor changes, resignations, or dismissals under Item 4.01, though the specific content and nature of the letter are not disclosed in this filing excerpt. Investors should review the attached Exhibit 16.1 for the full letter content to understand the circumstances.
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Figures/quotes linked to EDGAR · Narrative written by AI · Jun 3, 2026 · How we verify