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): March 627, 2026

APARTMENT INVESTMENT AND MANAGEMENT COMPANY

AIMCO OP L.P.

(Exact name of registrant as specified in its charter)

MARYLAND (Apartment Investment and Management Company)DELAWARE (Aimco OP L.P.)	1-132320-56223	84-125957785-2460835
Maryland (Apartment Investment and Management Company)	1-13232	84-1259577
(State or other jurisdictionof incorporation or organization)	(CommissionFile Number)	(I.R.S. EmployerIdentification No.)
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)

~~224~~Registrant’s telephone number, including area code: (833) 373-~~7900~~1300

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))

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


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 ~~Pre-commencement~~by ~~communications~~check ~~pursuant~~mark towhether the registrant is an emerging growth company as defined in Rule ~~14d-2~~405 of the Securities Act of 1933 (b§230.405 of this chapter) ~~under~~or Rule 12b-2 of the Securities Exchange Act ~~(17~~of ~~CFR~~1934 (§240.~~14d~~12b-2(b of this chapter)).

☐ 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 TradingSymbol(s) Name of each exchangeon which registered Apartment Investment and Management CompanyClass A Common Stock AIV New York Stock Exchange

12b-2

(§240.12b-2

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. ☐

ITEMItem 82.01. OtherCompletion Events.of Acquisition or Disposition of Assets

~~Plan~~As previously reported, on December 10, 2025, Apartment Investment and Management Company (“Aimco”) and Aimco OP L.P. (collectively, the “Company” or “Seller”), through Aimco Elm Creek, L.P., Aimco Elm Creek Townhomes Three, LLC, Aimco Yorktown L.P., 2200 Grace Owner, LLC, Aimco Hyde Park Tower, L.L.C., Church Street Associates Limited Partnership, and Williamsburg Limited Partnership, each a subsidiary of ~~Sale~~the Company, entered into an agreement (the “Agreement”) to sell its portfolio of seven apartment properties, including 1,495 units, located in the Chicago market (the “Chicago Portfolio”) to LaTerra Capital Management, LLC (the “Purchaser”) for a gross price of $455 million. The Purchaser is not affiliated with the Seller. On March 27, 2026, the Company completed the sale of the Chicago Portfolio. In connection with the sale, $282.5 million of non-recourse property debt was assumed by the Purchaser. These seven properties include the properties known as Eldridge, Elm Creek, Evanston Place, Yorktown Apartments, 2200 Grace, Hyde Park Tower, and ~~Liquidation~~Willow Bend.

OnCautionary ~~February 6,~~Statement ~~2026,~~Regarding ~~the~~Forward-Looking stockholders of Apartment Investment and Management Company (“Aimco”) voted to adopt a Plan of Sale and Liquidation with respect to Aimco. Pursuant to the Plan of Sale and Liquidation, Aimco is authorized to sell, convey and transfer or otherwise dispose of any or all of the assets of Aimco in one or more transactions, and acting for itself and/or in its capacity as an equity holder, general partner or manager of any direct or indirect subsidiaries or affiliates, authorize any subsidiaries or affiliates to sell, convey, transfer and deliver or otherwise dispose of any or all assets of any subsidiaries in one or more transactions. Aimco, through the General Partner (as defined below), is the general partner and directly is the special limited partner of Aimco OP L.P (the “Partnership”). Statements

InThis ~~furtherance~~Current Report on Form 8-K contains certain forward-looking statements within the meaning of the ~~Plan~~federal securities laws. Forward-looking statements include all statements that are not historical statements of ~~Sale~~fact and ~~Liquidation,~~those onregarding ~~March 6~~our intent, ~~2026~~belief, ~~Aimco~~or OPexpectations. GPWords such as “anticipate(s),” ~~LLC~~“expect(s),” “intend(~~the~~s),” “~~General~~plan(s),” ~~Partner~~“believe(s),” “may,” “will,” “would,” “could,” “should,” “seek(s),” ~~elected~~“forecast(s),” toand ~~dissolve~~similar expressions, or the ~~Partnership~~negative ~~pursuant~~of tothese ~~the~~terms, ~~authority~~are ~~granted~~intended to identify such forward-looking statements. These statements, including those regarding the ~~General~~timing ~~Partner~~of ~~under~~asset sales and the ~~Amended~~timing and ~~Restated~~amount ~~Agreement~~of capital expected to be returned to stockholders, are not guarantees of ~~Limited~~future ~~Partnership~~performance, condition or results, and involve a number of known and unknown risks, uncertainties, and assumptions that may affect actual results or outcomes, including changes in market conditions, fluctuations in our stock price, our financial performance, regulatory changes, and general economic conditions. Readers should carefully review Aimco’s and the Partnership,’s ~~dated~~financial asstatements ofand ~~December 14~~the notes thereto, ~~2020~~as (well as the section entitled “~~Partnership~~Risk ~~Agreement~~Factors”). ~~The~~in ~~dissolution~~Aimco’s Proxy Statement on Schedule 14A filed January 2, 2026 and Item 1A of Aimco’s and the Partnership’s ~~will~~Annual ~~take~~Report ~~place~~on inForm ~~accordance~~10-K ~~with~~for the ~~Plan~~year ofended ~~Sale~~December 31, 2025, as these filings identify and ~~Liquidation~~address important risks and uncertainties that could cause actual events and results to differ materially from those contained in the ~~Partnership~~forward-looking ~~Agreement~~statements. These forward-looking statements reflect management’s judgment as of this date, and neither Aimco nor the Partnership assumes any (and each of them disclaims all) obligation to revise or update them to reflect future events or circumstances.

Forward-LookingItem 9.01 Financial Statements and Exhibits

8-K(b) Pro Forma Financial Information

10-KThe following unaudited pro forma financial information of the Company, which reflect the sale of the Company’s interests in the Chicago Portfolio to the Purchaser, are filed as Exhibit 99.1 to this Current Report.

•

~~10-Q~~Unaudited Pro Forma Condensed Consolidated Balance Sheet as of December 31, 2025

•

~~SIGNATURE~~Unaudited Pro Forma Consolidated Statements of Operations for the years ended December 31, 2025, 2024, and 2023

~~Pursuant~~(d) toThe ~~the~~following ~~requirements~~exhibits ofare ~~the~~filed ~~Securities~~with ~~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: March 6, 2026


Exhibit No.	Description
99.1	Unaudited Pro Forma Condensed Consolidated Financial Statements of Aimco and Aimco OP L.P.
104	Cover Page Interactive Data File (embedded within the Inline XBRL document)

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 partnerBy: Apartment Investment and Management Company, its managing member /s/ H. Lynn C. Stanfield H. Lynn C. Stanfield Executive Vice President and Chief Financial OfficerSIGNATURES

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.


Dated: March 30, 2026

	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

Filing Compare · APARTMENT INVESTMENT & MANAGEMENT CO