Form 4 Filing for Peninger Diana M

This filing details a transaction by Peninger Diana M, a director at LSB INDUSTRIES, INC. On May 22, 2026, Ms. Peninger acquired 9,252 shares of common stock under the LSB Industries, Inc. 2025 Long Term Incentive Plan. These shares were granted as Restricted Stock Units, which will become nonforfeitable following the grant date. The acquisition was made at a price of $12.97 per share. Post-transaction, Ms. Peninger holds a total of 74,065 shares. The filing was signed on May 27, 2026, by Michael J. Foster as Attorney-in-Fact.