LSB INDUSTRIES, INC. 10-Q

Item 5. Other Information Adoption of 10b5-1 Trading Plans by Our Officers and Directors Damien J. Renwick, Executive Vice President and Chief Commercial Officer On May 13, 2026 , Damien J. Renwick , our Executive Vice President and Chief Commercial Officer , entered into a Rule 10b5-1 trading plan that is intended to satisfy the affirmative defense of Rule 10b5-1(c) and provides that Mr. Renwick, acting through a broker, may sell up to an aggregate of 15,890 shares of our common stock, subject to adjustments for stock splits, stock combinations, stock dividends and other similar changes to our common stock. Sales of shares under the plan may only occur from August 12, 2026 to June 30, 2027 . The plan is scheduled to terminate on June 30, 2027 , subject to earlier termination upon the sale of all shares subject to the plan or the expiration of all sale orders under the plan, upon termination by Mr. Renwick or the broker, or as otherwise provided in the plan. Jonathan Z. Ackerman, Member of the Board of Directors On May 13, 2026 , Jonathan Z. Ackerman , a member of our board of directors , entered into Rule 10b5-1 trading plan that is intended to satisfy the affirmative defense of Rule 10b5-1(c) and provides that Mr. Ackerman, acting through a broker, may purchase up to an aggregate of 9,000 shares of our common stock, subject to adjustments for stock splits, stock combinations, stock dividends and other similar changes to our common stock. Purchases of shares under the plan may begin on August 12, 2026 . The plan will terminate upon the earliest to occur of the purchase of all shares subject to the plan, upon termination by Mr. Ackerman or the broker, or as otherwise provided in the plan. Other than as described above, during the three months ended June 30, 2026, none of the Company’s directors or executive officers adopted or terminated a “Rule 10b5-1 trading arrangement” or “non-Rule 10b5-1 trading arrangement,” as each term is defined in Item 408(a) of Regulation S-K. 38 Item 6. E xhibits See “Index to Exhibits” on page 39 . Index to Exhibits Item 6. Exhibit Number Exhibit Title Incorporated by Reference to the Following 3(i).1 Restated Certificate of Incorporation of LSB Industries, Inc., dated January 21, 1977, as amended August 27, 1987 Exhibit 3(i).1 to the Company’s Form 10-K filed on February 28, 2013 3(i).2 Certificate of Amendment to the Restated Certificate of Incorporation of LSB Industries, dated September 23, 2021 Exhibit 3(i).2 to the Company’s Registration Statement on Form S-3 filed on November 16, 2021 3(ii).1 Third Amended and Restated Bylaws of LSB Industries, Inc. Exhibit 3(ii).1(a) to the Company’s Form 10-Q filed on April 30, 2026 31.1(a) Certification of Mark T. Behrman, Chief Executive Officer, pursuant to Sarbanes-Oxley Act of 2002, Section 302 31.2(a) Certification of Cheryl A. Maguire, Chief Financial Officer, pursuant to Sarbanes-Oxley Act of 2002, Section 302 32.1(a)(b) Certification of Mark T. Behrman, Chief Executive Officer, furnished pursuant to Sarbanes-Oxley Act of 2002, Section 906 32.2(a)(b) Certification of Cheryl A. Maguire, Chief Financial Officer, furnished pursuant to Sarbanes-Oxley Act of 2002, Section 906 101.INS(a) Inline XBRL Instance Document – the instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document. 101.SCH(a) Inline XBRL Taxonomy Extension Schema Document 101.CAL(a) Inline XBRL Taxonomy Extension Calculation Linkbase Document 101.DEF(a) Inline XBRL Taxonomy Extension Definition Linkbase Document 101.LAB(a) Inline XBRL Taxonomy Extension Labels Linkbase Document 101.PRE(a) Inline XBRL Taxonomy Extension Presentation Linkbase Document 104(a) Cover Page Interactive Data File (embedded within the Inline XBRL document) (a) Filed herewith or furnished herewith. (b) The certifications attached as Exhibits 32.1 and 32.2 are not deemed “filed” with the SEC and are not to be incorporated by reference into any filing of LSB Industries, Inc. under the Securities Act of 1933, as amended, whether made before or after the date of this Quarterly Report on Form 10-Q, irrespective of any general incorporation language contained in such filing. 39 SIGNA TURES 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 thereunto duly authorized. LSB INDUSTRIES, INC. Date: July 30, 2026 /s/ Cheryl A. Maguire Cheryl A. Maguire Executive Vice President and Chief Financial Officer (Principal Financial and Accounting Officer) 40