UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File Number 001-14784 Income Opportunity Realty Investors, Inc. (Exact name of registrant as specified in its charter) | Nevada | | | 75-2615944 | | --- | --- | --- | --- | | (State or other jur ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2021 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-14784 INCOME OPPORTUNITY REALTY INVESTORS, INC. (I.R.S. Employer Identification No.) 1603 Lyndon B. Johnson Freeway, Suite 800, Dallas, ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 1603 Lyndon B. Johnson Freeway, Suite 800, Dallas, Texas 75234 (Address of principal executive offices) (Zip Code) (469) 522-4200 (Registrant's telephone number, including area code) Securities registered pursuant to Section 12(b) of the Exchange Act: | | | Name of each exchange on which | | --- | --- | --- | | Title of each class | Tradi ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2021 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-14784 INCOME OPPORTUNITY REALTY INVESTORS, INC. (Exact Name of Registrant as Specified in Its Charter) (State or Other Jurisdiction of Inco ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2020 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-14784 Income Opportunity Realty Investors, Inc. Nevada 75-2615944 (State or other jurisdiction of Incorporation or organization) (IRS Employer I ...

For the transition period from to Commission File Number 001-14784 UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2020 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 INCOME OPPORTUNITY REALTY INVESTORS, INC. (Exact Name of Registrant as Specified in Its Charter) Nevada 75-2615944 (State or Othe ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2020 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-14784 INCOME OPPORTUNITY REALTY INVESTORS, INC. (Exact Name of Registrant as Specified in Its Charter) Nevada 75-2615944 (State or Other Jur ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q For the transition period from to Commission File Number 001-14784 INCOME OPPORTUNITY REALTY INVESTORS, INC. (Exact Name of Registrant as Specified in Its Charter) (State or Other Jurisdiction of Incorporation or Organization) Nevada 75-2615944 (I.R.S. Employer Identification No.) 1603 Lyndon B. Johnson Freeway, Suite 800, Dallas, Texas 75234 (Address of principal executive offices) (Zip Code) ☒ QUARTERLY REPORT PURSUANT TO SE ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2019 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Nevada 75-2615944 (State or other jurisdiction of Incorporation or organization) 1603 LBJ Freeway, Suite 800 Dallas, Texas 75234 (Address of principal executive offices) (Zip Code) (IRS Employer Identifica ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2019 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from _______ to _______ Commission File Number 001-14784 INCOME OPPORTUNITY REALTY INVESTORS, INC. (Exact Name of Registrant as Specified in Its Charter) Nevada 75-261594 ...