Executive Change · Shareholder Vote

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 20, 2019 INTERNATIONAL BANCSHARES CORPORATION (Exact name of registrant as specified in its charter) Texas 000-9439 74-2157138 (State or other jurisdiction (Commission File (IRS Employer of incorporation Number) Identification No.) 1200 San Bernardo, Laredo, Texas 78040-1359 (Address of principal executive offices) (Zip Code) Registrant’s telephone number, including area code (956) 722-7611 None (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); o Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) o Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) o Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) o Pre-commencement communications pursuant to Rule 13e-4 (c) under the Exchange Act (17 CFR 250.13e-4 (c)) Securities registered pursuant to Section 12(b) of the Act: Title of each class: Trading Symbol Name of each exchange on which registered: Common Stock, $1.00 par value IBOC NASDAQ Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (17 CFR §230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR §240.12b-2). Emerging growth company o 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. o Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers. On May 17, 2019, Ms. Peggy J. Newman provided notice to the Company that she had decided to retire and no longer seek or accept re-election to the Company’s Board once her term expired on May 20, 2019. Item 5.07 Submission of Matters to a Vote of Security Holders. On May 20, 2019, International Bancshares Corporation (the “Company”) held its 2019 Annual Meeting of Shareholders (the “Annual Meeting”), at which the Company submitted the following proposals to its shareholders for a vote: (1)                                  To elect eight (8) directors to serve until the next Annual Meeting of Shareholders and until their successors shall have been duly elected and qualified;(1) (2)                                  To ratify the appointment of RSM US LLP as independent auditors for the fiscal year ending December 31, 2019; (3)                                  To consider and approve a non-binding advisory resolution to approve the compensation of the Company’s named executive officers as described in the Compensation Discussion and Analysis and the tabular disclosures in the Proxy Statement; and (4)                                  To consider an advisory vote regarding the frequency of the advisory approval of the Company’s executive compensation. The following table lists the final voting results for Proposals 1, 2, 3, and 4 at the Annual Meeting: For Against Withheld Abstentions Broker Non-Votes Election of Directors : Javier De Anda 52,551,759 76,946 11,356,682 Irving Greenblum 47,331,038 5,297,667 11,356,682 Douglas B. Howland 52,070,492 558,213 11,356,682 Dennis E. Nixon 51,129,920 1,498,785 11,356,682 Larry A. Norton 52,050,951 577,754 11,356,682 Roberto R. Resendez 52,540,074 88,631 11,356,682 Antonio R. Sanchez, Jr. 52,247,728 380,977 11,356,682 Ratification of RSM US LLP 58,815,497 317,098 12,785 4,919,595 Non-binding Advisory Resolution on Compensation 52,254,051 311,120 63,533 11,356,683 (1) On May 17, 2019, Ms. Peggy J. Newman provided notice to the Company that she had decided to retire and no longer seek or accept re-election to the Company’s Board once her term expired on May 20, 2019.  Therefore, only seven directors were elected at the Annual Meeting as shown above. 2 Based on the foregoing results, each of the above director nominee was elected by a majority vote standard, which is the voting standard required by the Company’s Articles of Incorporation for uncontested director elections.  Proposals 2 and 3 were also approved by majority vote. With respect to Proposal 4, the advisory vote on the frequency of the advisory approval of the Company’s executive compensation, the following table lists the final voting results for the Annual Meeting: Broker 1 Year 2 Years 3 Years Abstentions Non-Votes Non-binding Advisory Resolution on Frequency of Compensation Vote 47,382,764 42,035 5,078,875 125,029 11,356,684 The one year option received the highest number of votes cast by the shareholders and is deemed to be the frequency that is preferred by the shareholders of the Company. The Company’s Board of Directors has determined that it will include a proposal to vote on a non-binding advisory resolution to approve the compensation of the Company’s named executive officers as described in the Compensation Discussion and Analysis and the tabular disclosures in the Company’s Proxy Statement for the 2020 Annual Shareholders Meeting. 3 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. INTERNATIONAL BANCSHARES CORPORATION (Registrant) By: /s/ Dennis E. Nixon Dennis E. Nixon, President and Chairman of the Board Date: May 21, 2019 4