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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 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): May 8, 2025

APARTMENT INVESTMENT AND MANAGEMENT CO MPANY

AIMCO OP L.P.

(Exact name of registrant as specified in its charter)

Maryland (Apartment Investment and Management Company) |  | 1-13232 |  | 84-1259577
Delaware (Aimco OP L.P.) |  | 0-56223 |  | 85-2460835
(State or other jurisdiction |  | (Commission |  | (I.R.S. Employer
of incorporation or organization) |  | File Number) |  | Identification No.)

4582 SOUTH ULSTER STREET

SUITE 1450, DENVER, CO 80237

(Address of principal executive offices) (Zip Code)

Registrant’s telephone number, including area code: (303) 224-7900

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:

☐ | 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
Apartment Investment and Management Company Class A Common Stock | AIV | 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 2.02. Results of Operations and Financial Conditions.

On May 8, 2025 Apartment Investment and Management Company and Aimco OP L.P. (the “Company”) issued a press release announcing results for the period ended March 31, 2025. A copy of the press release is attached as exhibit 99.1 to this report.

The information under this Item 2.02 and Exhibit 99.1 is furnished by the Company in accordance with the rules of the Securities and Exchange Commission. This information 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 shall be expressly set forth by specific reference in such a filing.

ITEM 9.01. Financial Statements and Exhibits.

(d) The following exhibits are filed with this report:

Exhibit No. | Description
99.1 | Press release dated May 8, 2025
104 | Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the Registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

| Dated: May 8, 2025 |
|  | APARTMENT INVESTMENT AND MANAGEMENT COMPANY
|  |  | /s/ H. Lynn C. Stanfield
|  |  | H. Lynn C. Stanfield
|  |  | Executive Vice President and Chief Financial Officer
|  | AIMCO OP L.P.
|  | By: Aimco OP GP, LLC, its general partner By: Apartment Investment and Management Company, its managing member
|  |  | /s/ H. Lynn C. Stanfield
|  |  | H. Lynn C. Stanfield
|  |  | Executive Vice President and Chief Financial Officer