Agreement Terminated

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 April 3, 2026 Date of Report (date of earliest event reported) MOOG Inc. (Exact name of registrant as specified in its charter) NY 1-05129 16-0757636 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.) 400 Jamison Rd East Aurora, New York 14052-0018 (Address of principal executive offices) (Zip Code) ( 716 ) 652-2000 Registrant's telephone number, including area code 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): ☐ 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 Class A common stock MOG.A New York Stock Exchange Class B common stock MOG.B 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 1.02 Termination of a Material Definitive Agreement. Effective as of April 3, 2026 (the “Redemption Date”), Moog Inc. (the “Company”) redeemed in full (the “Redemption”) all $500 million aggregate principal amount of its outstanding 4.250% Senior Notes due 2027 at a redemption price equal to 100.000% of the principal amount thereof plus accrued and unpaid interest to, but not including, the Redemption Date, and the indenture, dated as of December 13, 2019, by and among the Company, the guarantors from time to time party thereto, and U.S Bank Trust Company, National Association (as successor to MUFG Union Bank, N.A.), as trustee, was satisfied and discharged pursuant to the terms therein. The Company funded the Redemption using net proceeds available from its previously announced offer of $500 million aggregate principal amount of its 5.500% Senior Notes due 2034, together with cash on hand. 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.       MOOG INC.         Dated: April 3, 2026 By: /s/ Nicholas Hart     Name: Nicholas Hart       Controller