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- Auditor Change (new) — Company dismissed Big Four auditor Deloitte and hired mid-tier firm RSM US LLP as replacement.
Stem dismisses Deloitte as auditor, hires RSM US LLP with no disagreements disclosed
Filed March 17, 2026 · Period ending March 12, 2026 · ~1 min read
Key Changes
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high
Stem's Audit Committee dismissed Deloitte & Touche LLP and hired RSM US LLP as its new auditor effective March 12, 2026, marking a shift from a Big Four to mid-tier firm.
Item 4.01 verify on EDGAR → -
medium
Company disclosed no disagreements with Deloitte on accounting matters and no reportable events during 2024, 2025, or through the dismissal date, suggesting the change wasn't driven by accounting disputes.
Item 4.01 verify on EDGAR → -
medium
RSM will begin with Q1 2026 quarterly review and conduct the full-year 2026 audit, subject to customary client acceptance procedures.
Item 4.01 verify on EDGAR → -
low
Deloitte issued clean audit opinions for both 2024 and 2025 with no modifications for uncertainty, scope limitations, or accounting principle issues.
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Summary
Stem announced a significant auditor change, dismissing Deloitte & Touche LLP and engaging RSM US LLP effective March 12, 2026. While the company disclosed no disagreements with Deloitte and received clean audit opinions for 2024 and 2025, the shift from a Big Four firm to a mid-tier auditor warrants attention.
Auditor changes can occur for various reasons including cost considerations, service quality, or strategic fit, but they always merit scrutiny from investors. The company's disclosure that there were no accounting disagreements or reportable events is reassuring and suggests this wasn't a contentious separation. RSM will begin with the Q1 2026 quarterly review and handle the full-year 2026 audit.
Investors should monitor RSM's first quarterly review and annual audit for any previously unidentified issues or changes in accounting treatments. The transition period between auditors can sometimes surface accounting matters that weren't apparent under the previous firm's oversight.
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 12, 2026, the Audit Committee of the Board of Directors (the “Board”) of Stem, Inc. (the “Company”) approved the dismissal of Deloitte & Touche LLP (“Deloitte”) as the Company’s independent registered public accounting firm. The Company accordingly notified Deloitte of such action on March 13, 2026.
The Audit Committee dismissed Deloitte & Touche LLP as the company's independent auditor effective March 12, 2026. Auditor changes can signal internal issues or simply reflect competitive bidding, but investors should monitor whether the new auditor identifies any previously unreported problems.
Added in current filing · verify on EDGAR →
On March 12, 2026, the Audit Committee of the Board approved the engagement of RSM US LLP (“RSM”) as the Company’s new independent registered public accounting firm, beginning with the review of the Company’s financial statements for the quarter ending March 31, 2026, and including the audit of the Company’s consolidated financial statements for the fiscal year ending December 31, 2026.
RSM US LLP was engaged as the new auditor starting with Q1 2026 review and the full-year 2026 audit. The engagement is subject to customary client acceptance procedures. This represents a transition from a Big Four firm to a mid-tier firm.
Event · Item 9.01 — Financial Statements and Exhibits
STEM filed a letter from Deloitte & Touche LLP to the SEC, typically indicating auditor change or disagreement matters.
Added in current filing · verify on EDGAR →
Letter from Deloitte & Touche LLP to the SEC dated March 17, 2026.
The company filed a letter from its auditor Deloitte & Touche LLP addressed to the SEC. Such letters are typically filed under Item 16 when there is an auditor change, resignation, or disagreement on accounting matters. The actual content of the letter is not included in this 8-K body but would be attached as an exhibit.
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Figures/quotes linked to EDGAR · Narrative written by AI · Jun 4, 2026 · How we verify