SNDA

snda-202603110001043000FALSEDallasTexas00010430002026-03-112026-03-11

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 20549

FORM 8-K

CURRENT REPORT

PURSUANT TO SECTION 13 OR 15(d)

OF THE SECURITIES EXCHANGE ACT OF 1934

Date of Report (Date of earliest event reported) March 11, 2026

Sonida Senior Living, Inc. (Exact name of registrant as specified in its charter)

Delaware (State or other jurisdiction of incorporation)

1-1344575-2678809 (Commission File Number)(IRS Employer Identification No.)

14755 Preston Road Suite 810 Dallas, Texas 75001 (Address of principal executive offices)(Zip Code)

(972) 770-5600 (Registrant’s telephone number, including area code) Not applicable (Former name or former address, if changed since last report)

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 (see General Instruction A.2. below):

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

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

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

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

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. ☐ Securities registered pursuant to Section 12(b) of the Act:

Title of each classTrading symbol(s) Name of each exchange on which registered

Common Stock, par value $0.01 per shareSNDANew York Stock Exchange

Item 2.02    Results of Operations and Financial Condition. On March 11, 2026, Sonida Senior Living, Inc. (the “Company”) announced its financial results for the fourth quarter and fiscal year ended December 31, 2025, by issuing a press release. The full text of the press release issued in connection with the announcement is attached hereto as Exhibit 99.1.

The information being furnished under Item 2.02, Item 7.01, Exhibit 99.1 and Exhibit 99.2 shall not be deemed “filed” for purposes of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as may be expressly set forth by specific reference in such a filing. The press release and the presentation referenced below contain, and may implicate, forward-looking statements regarding the Company and include cautionary statements identifying important factors that could cause actual results to differ materially from those anticipated.

Item 7.01    Regulation FD Disclosure. Attached hereto as Exhibit 99.2 is an updated presentation of the Company. By filing this Current Report on Form 8-K, the Company does not acknowledge that disclosure of this information is required by Regulation FD or that the information was material or non-public before the disclosure. The Company assumes no obligation to update or supplement forward-looking statements in this presentation that become untrue because of new information, subsequent events or otherwise.

Item 9.01    Financial Statements and Exhibits. (d) Exhibits.

*99.1Press Release dated March 11, 2026.

*99.2Sonida Senior Living, Inc. Investor Presentation.

104Cover Page Interactive Date File-formatted as Inline XBRL.

*These exhibits to this Current Report on Form 8-K are not being filed but are being furnished pursuant to Item 9.01.

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.

Date: March 11, 2026 Sonida Senior Living, Inc.

By:/s/ KEVIN J. DETZ Name:Kevin J. Detz Title:Executive Vice President and Chief Financial Officer

snda-202511100001043000FALSE00010430002025-11-102025-11-10

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 20549

FORM 8-K

CURRENT REPORT

PURSUANT TO SECTION 13 OR 15(d)

OF THE SECURITIES EXCHANGE ACT OF 1934

Date of Report (Date of earliest event reported) November 10, 2025

Sonida Senior Living, Inc. (Exact name of registrant as specified in its charter)

Delaware (State or other jurisdiction of incorporation)

1-1344575-2678809 (Commission File Number)(IRS Employer Identification No.)

14755 Preston Road Suite 810 Dallas,Texas75254 (Address of principal executive offices)(Zip Code)

(972) 770-5600 (Registrant’s telephone number, including area code)

(Former name or former address, if changed since last report)

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 (see General Instruction A.2. below):

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

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

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

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

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. ☐ Securities registered pursuant to Section 12(b) of the Act:

Title of each classTrading symbol(s) Name of each exchange on which registered

Common Stock, par value $0.01 per shareSNDANew York Stock Exchange

Item 2.02 Results of Operations and Financial Condition.

On November 10, 2025, Sonida Senior Living, Inc. (the “Company”) announced its financial results for the third quarter ended September 30, 2025 by issuing a press release. The full text of the press release issued in connection with the announcement is attached hereto as Exhibit 99.1.

The information being furnished under Item 2.02 and Exhibit 99.1 shall not be deemed “filed” for purposes of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as may be expressly set forth by specific reference in such a filing. The press release contains, and may implicate, forward-looking statements regarding the Company and includes cautionary statements identifying important factors that could cause actual results to differ materially from those anticipated.

Item 8.01    Other Events

Attached hereto as Exhibit 99.2 is the investor presentation used in connection with the Company’s webcast and is incorporated herein in its entirety by reference.

Item 9.01    Financial Statements and Exhibits. (d)Exhibits.

*99.1Press Release dated November 10, 2025

*99.2Sonida Senior Living, Inc. Investor Presentation

104Cover Page Interactive Date File-formatted as Inline XBRL.

*These exhibits to this Current Report on Form 8-K are not being filed but are being furnished pursuant to Item 9.01.

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.

Date: November 10, 2025 Sonida Senior Living, Inc.

By:/s/ KEVIN J. DETZ Name:Kevin J. Detz Title:Executive Vice President and Chief Financial Officer

snda-202508110001043000FALSE00010430002025-08-112025-08-11

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 20549

FORM 8-K

CURRENT REPORT

PURSUANT TO SECTION 13 OR 15(d)

OF THE SECURITIES EXCHANGE ACT OF 1934

Date of Report (Date of earliest event reported) August 11, 2025

Sonida Senior Living, Inc. (Exact name of registrant as specified in its charter)

Delaware (State or other jurisdiction of incorporation)

1-1344575-2678809 (Commission File Number)(IRS Employer Identification No.)

14755 Preston Road Suite 810 Dallas,Texas75254 (Address of principal executive offices)(Zip Code)

(972) 770-5600 (Registrant’s telephone number, including area code)

(Former name or former address, if changed since last report)

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 (see General Instruction A.2. below):

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

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

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

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

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. ☐ Securities registered pursuant to Section 12(b) of the Act:

Title of each classTrading symbol(s) Name of each exchange on which registered

Common Stock, par value $0.01 per shareSNDANew York Stock Exchange

Item 2.02 Results of Operations and Financial Condition.

On August 11, 2025, Sonida Senior Living, Inc. (the “Company”) announced its financial results for the second quarter ended June 30, 2025 by issuing a press release. The full text of the press release issued in connection with the announcement is attached hereto as Exhibit 99.1.

The information being furnished under Item 2.02, Item 7.01, Exhibit 99.1 and Exhibit 99.2 shall not be deemed “filed” for purposes of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as may be expressly set forth by specific reference in such a filing. The press release and the presentation referenced below contain, and may implicate, forward-looking statements regarding the Company and include cautionary statements identifying important factors that could cause actual results to differ materially from those anticipated.

Item 7.01    Regulation FD Disclosure.

Attached hereto as Exhibit 99.2 is an updated presentation of the Company.

By filing this Current Report on Form 8-K, the Company does not acknowledge that disclosure of this information is required by Regulation FD or that the information was material or non-public before the disclosure. The Company assumes no obligation to update or supplement forward-looking statements in this presentation that become untrue because of new information, subsequent events or otherwise.

Item 9.01    Financial Statements and Exhibits. (d)Exhibits.

*99.1Press Release dated August 11, 2025

*99.2Sonida Senior Living, Inc. Investor Presentation

104Cover Page Interactive Date File-formatted as Inline XBRL.

*These exhibits to this Current Report on Form 8-K are not being filed but are being furnished pursuant to Item 9.01.

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.

Date: August 11, 2025 Sonida Senior Living, Inc.

By:/s/ KEVIN J. DETZ Name:Kevin J. Detz Title:Executive Vice President and Chief Financial Officer