Bylaw Amendment

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): July 27, 2021 ​ ​ UDR, Inc. (Exact name of registrant as specified in its charter) ​ ​ ​ ​ ​ ​ ​ Maryland ​ 1-10524 ​ 54-0857512 (State or other jurisdiction ​ (Commission ​ (I.R.S. Employer of incorporation) ​ File Number) ​ Identification No.) ​ ​ ​ ​ ​ 1745 Shea Center Drive, Suite 200 , Highlands Ranch , Colorado ​ ​ ​ 80129 (Address of principal executive offices) ​ ​ ​ (Zip Code) ​ Registrant’s telephone number, including area code: ( 720 )  283-6120 ​ 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 Common Stock , par value $0.01 UDR 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  5.03 Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year . ​ Effective July 27, 2021, UDR, Inc. (the “Company”) amended Section 5.1 of its Articles of Restatement (the “Charter”) to increase the number of authorized shares of the Company’s common stock, par value $0.01 per share, from 350,000,000 to 450,000,000, by filing Articles of Amendment with the State Department of Assessments and Taxation of the State of Maryland on July 27, 2021 (the “Articles of Amendment”).   The foregoing description of the Articles of Amendment is qualified in its entirety by reference to the copy of the Articles of Amendment filed as Exhibit 3.1 to this Form 8-K, which is incorporated by reference herein. ​ Item 9.01 Financial Statements and Exhibits. ​ (d) Exhibits. ​ ​ ​ ​  Ex. No.       Description  3.1 ​   Articles of Amendment. 104 ​ Cover Page Interactive Data File – The cover page XBRL tags are embedded within the Inline XBRL document. ​ ​ ​ ​ 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. ​ ​ ​ ​ ​ ​ ​ ​ UDR, Inc. ​ ​ ​ ​  July 29, 2021 ​ By: ​  /s/ Joseph D. Fisher ​ ​ ​ ​  Joseph D. Fisher ​ ​ ​ ​  Senior Vice President and Chief Financial Officer ​ ​ ​ ​  (Principal Financial Officer) ​ ​ ​ ​