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Sun Communities (SUI) replaces Grant Thornton with Deloitte as 2026 auditor

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
8-K/A

Rhea-AI Filing Summary

Sun Communities, Inc. has formally engaged Deloitte & Touche LLP as its new independent registered public accounting firm for the fiscal year ending December 31, 2026, effective May 12, 2026. The company states it did not consult with Deloitte on accounting or auditing matters before this engagement and had no disagreements or reportable events with Deloitte.

The Audit Committee previously dismissed Grant Thornton LLP as auditor, effective after Grant Thornton completed its review of the company’s consolidated financial statements for the period ended March 31, 2026, which was finished on April 28, 2026. Grant Thornton’s audit reports for the fiscal years ended December 31, 2025 and 2024 contained no adverse opinions, disclaimers, or qualifications, and there were no disagreements or reportable events, other than a material weakness in internal control over financial reporting as of December 31, 2024 that the company reports was remediated in 2025.

Positive

  • None.

Negative

  • None.
Item 4.01 Changes in Registrant's Certifying Accountant Governance
The company changed its independent auditing firm, which may involve disagreements on accounting matters.
Item 9.01 Financial Statements and Exhibits Exhibits
Financial statements, pro forma financial information, and exhibit attachments filed with this report.
New auditor effective date May 12, 2026 Effective date Deloitte was formally engaged
Fiscal year covered by Deloitte Year ending December 31, 2026 Audit engagement period for new firm
Grant Thornton review period end March 31, 2026 Last period reviewed by Grant Thornton
Completion of Grant Thornton review April 28, 2026 Date review of March 31, 2026 period was completed
Material weakness date December 31, 2024 Date as of which internal control material weakness existed
Material weakness remediation year 2025 Year stated for remediation of internal control weakness
independent registered public accounting firm regulatory
"appointed Deloitte & Touche LLP ("Deloitte") as the Company's new independent registered public accounting firm"
An independent registered public accounting firm is an outside accounting company officially registered with the government regulator to examine and report on a public company's financial records and controls. Investors treat its reports like an impartial inspector’s certificate — they add credibility to financial statements, help spot errors or misleading claims, and reduce the risk that shareholders are relying on unchecked or biased numbers.
material weakness financial
"the previously disclosed material weakness in the Company's internal control over financial reporting as of December 31, 2024"
A material weakness is a significant flaw in the systems and checks a company uses to ensure its financial reports are accurate, meaning errors or fraud could happen and not be caught. For investors it matters because it raises the risk that reported results are unreliable—similar to finding a hole in a ship’s hull—potentially leading to corrected financials, regulatory action, reduced trust, and negative effects on stock value and borrowing costs.
internal control over financial reporting financial
"material weakness in the Company's internal control over financial reporting as of December 31, 2024"
Internal control over financial reporting is a company’s system of procedures and checks designed to make sure its financial statements are accurate and complete, like a set of guardrails and verification steps that catch mistakes or fraud before numbers are published. Investors care because strong controls make reported results more trustworthy, lower the risk of surprise restatements or regulatory problems, and give greater confidence when valuing the company or comparing it to peers.
reportable event regulatory
"there were no reportable events (as defined by Item 304(a)(1)(v) of Regulation S-K), except for the previously disclosed material weakness"
Regulation S-K regulatory
"disagreement (as defined in Item 304(a)(1)(iv) of Regulation S-K and the related instructions)"
A set of U.S. Securities and Exchange Commission rules that tell public companies which narrative and qualitative details must be disclosed in filings, such as risk factors, management discussion, executive pay, legal proceedings and business description. Think of it as a standardized checklist or blueprint that ensures investors get the same types of background information from every company so they can compare risks, management quality and strategy before making investment decisions.
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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549

FORM 8-K/A

CURRENT REPORT
Pursuant to Section 13 OR 15(d)
of The Securities Exchange Act of 1934

Date of Report: March 23, 2026
(Date of earliest event reported)
sun-corporate-tm-oval-orange-logo-pantone.jpg
SUN COMMUNITIES, INC.
(Exact Name of Registrant as Specified in its Charter)
Maryland1-1261638-2730780
(State of Incorporation)Commission file number(I.R.S. Employer Identification No.)
27777 Franklin Rd.Suite 300,Southfield,Michigan 48034
(Address of Principal Executive Offices) (Zip Code)
(248) 208-2500
(Registrant's telephone number, including area code)


Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:
Title of each class
Trading Symbol(s)
Name of each exchange on which registered
Common Stock, $0.01 par value
SUI
New York Stock Exchange

Indicate by check mark whether the Registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter):

Emerging growth company

If an emerging growth company, indicate by check mark if the Registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.



Item 4.01Changes in Registrant's Certifying Accountant.

As previously discussed in the Current Report on Form 8-K filed on March 27, 2026 (the "Original 8-K"), the Audit Committee (the "Committee") of the Board of Directors of Sun Communities, Inc. (the "Company") appointed Deloitte & Touche LLP ("Deloitte") as the Company's new independent registered public accounting firm for the fiscal year ending December 31, 2026. On May 12, 2026 (the "Effective Date"), the Company formally engaged Deloitte as its new independent registered public accounting firm.

During the fiscal years ended December 31, 2025 and 2024, and for the subsequent interim period through the Effective Date, the Company did not, nor did anyone on its behalf, consult with Deloitte with respect to (a) the application of accounting principles to a specified transaction, either completed or proposed, or the type of audit opinion that might be rendered on the Company's consolidated financial statements, and no written report or oral advice was provided to the Company that Deloitte concluded was an important factor considered by the Company in reaching a decision as to any accounting, auditing or financial reporting issue or (b) any matter that was either the subject of a disagreement (as defined in Item 304(a)(1)(iv) of Regulation S-K and the related instructions) or a reportable event (as described in Item 304(a)(1)(v) of Regulation S-K).

As previously disclosed in the Original 8-K on March 23, 2026, the Committee dismissed Grant Thornton LLP ("Grant Thornton") as the Company's independent registered public accounting firm, effective upon completion of its engagement services for the review of the Company's consolidated financial statements for the period ended March 31, 2026, which was completed on April 28, 2026. The audit reports of Grant Thornton on the consolidated financial statements of the Company for each of the past two fiscal years ended December 31, 2025 and 2024, did not contain an adverse opinion or a disclaimer of opinion and were not qualified or modified as to uncertainty, audit scope, or accounting principles.

During the Company's two most recent fiscal years ended December 31, 2025 and 2024, and for the subsequent interim period through April 28, 2026, (i) there were no disagreements (within the meaning of Item 304(a)(1)(iv) of Regulation S-K) with Grant Thornton on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure that if not resolved to Grant Thornton's satisfaction, would have caused Grant Thornton to make reference thereto in its reports; and (ii) there were no reportable events (as defined by Item 304(a)(1)(v) of Regulation S-K), except for the previously disclosed material weakness in the Company's internal control over financial reporting as of December 31, 2024, which was remediated in 2025, relating to the lack of an effective risk assessment process that defined clear financial reporting objectives, that identified and evaluated risks of misstatement due to errors over certain financial reporting processes, or that developed internal controls to mitigate those risks. The Company has authorized Grant Thornton to respond fully to the inquiries of the successor auditor concerning the subject matter of this reportable event.

The Company provided Grant Thornton with a copy of the disclosures contained in this Current Report on Form 8-K/A and requested that Grant Thornton furnish the Company with a letter addressed to the Securities and Exchange Commission stating whether it agrees with the statements contained herein. A copy of Grant Thornton's letter, dated May 13, 2026, is filed as Exhibit 16.1 to this Current Report on Form 8-K/A.

Item 9.01
Financial Statements and Exhibits

(d)        Exhibits.

Exhibit No.
Description
Method of Filing
16.1
Letter of Grant Thornton LLP dated May 13, 2026
Filed herewith
104
Cover Page Interactive Data File (embedded within the Inline XBRL document)
Filed herewith




SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this Report to be signed on its behalf by the undersigned hereunto duly authorized.
SUN COMMUNITIES, INC.
Dated: May 13, 2026
By:
/s/ Fernando Castro-Caratini
Fernando Castro-Caratini, Chief Financial Officer, Executive Vice President, Secretary and Treasurer


FAQ

What auditor change does Sun Communities (SUI) report in this 8-K/A?

Sun Communities engaged Deloitte & Touche LLP as its independent registered public accounting firm for the fiscal year ending December 31, 2026. Deloitte’s engagement became effective May 12, 2026, following the prior decision to dismiss Grant Thornton LLP after completion of the March 31, 2026 review.

When did Grant Thornton’s role as Sun Communities (SUI) auditor end?

Grant Thornton’s role ended after completing its engagement to review Sun Communities’ consolidated financial statements for the period ended March 31, 2026. That review was completed on April 28, 2026, after which the auditor dismissal, previously approved by the Audit Committee, became effective.

Did Grant Thornton issue any adverse opinions on Sun Communities (SUI)?

Grant Thornton’s audit reports on Sun Communities’ consolidated financial statements for 2025 and 2024 did not contain adverse opinions, disclaimers, or qualifications. The reports were not modified for uncertainty, audit scope, or accounting principles during those two most recent fiscal years.

Were there disagreements with Grant Thornton regarding Sun Communities (SUI) financial reporting?

The company reports no disagreements with Grant Thornton on accounting principles, financial statement disclosure, or audit scope during 2025, 2024, or the interim period through April 28, 2026. It also notes there were no reportable events, other than one previously disclosed internal control material weakness.

What internal control issue did Sun Communities (SUI) disclose and how was it resolved?

The company previously identified a material weakness in internal control over financial reporting as of December 31, 2024. It related to an ineffective risk assessment process for certain financial reporting processes, and Sun Communities states this weakness was remediated in 2025.

How did Sun Communities (SUI) involve Grant Thornton in this amended filing?

Sun Communities provided Grant Thornton with the disclosures in this amended report and requested a letter to the SEC indicating agreement or disagreement. Grant Thornton’s letter, dated May 13, 2026, is included as Exhibit 16.1 and is filed together with the amended report.

Filing Exhibits & Attachments

4 documents