SECURITIES AND EXCHANGE COMMISSION FORM 10-K Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act.Yes☐No☒ Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act.Yes☐No☒ Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during thepreceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to the filing requirements for the past 90days.Yes☒No☐ Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).Yes☒No☐ Indicate by check mark whether the Registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerginggrowth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 ofthe Exchange Act. Large accelerated filerNon-Accelerated filer 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 revisedfinancial accounting standards provided pursuant to Section 13(a) of the Exchange Act.☐ Indicate by check mark whether the registrant has filed a report on and attestation to its management’s assessment of the effectiveness of its internal control overfinancial reporting under Section 404(b) of the Sarbanes-Oxley Act (15 U.S.C. 7262(b)) by the registered public accounting firm that prepared or issued its auditreport.☒ If securities are registered pursuant to Section 12(b) of the Act, indicate by check mark whether the financial statements of the registrant included in the filing reflectthe correction of an error to previously issued financial statements.☐ Indicate by check mark whether any of those error corrections are restatements that required a recovery analysis of incentive-based compensation received by any ofthe registrant’s executive officers during the relevant recovery period pursuant to §240.10D-1(b).☐ Indicate by check mark whether the Registrant is a shell company (as defined in Rule 12b-2 of the Act).Yes☐No☒ State the aggregate market value of the voting and non-voting common equity held by non-affiliates computed by reference to the closing sale price on the New YorkStock Exchange as of June 30, 2025: $457,647,016 Indicate the number of shares outstanding of registrant’s common stock as of February 27, 2026: 37,403,228 Shares of Common Stock, without par value. DOCUMENTS INCORPORATED BY REFERENCE: Portions of the Registrant’s Definitive Proxy Statement for its 2026 Annual Meeting of Stockholders are incorporated by reference in Part III of this Form 10-K. PART I ITEM 1. General Development of Business Myers Industries, Inc. (the “Company”) was founded in 1933 and is headquartered in Akron, Ohio. The terms “Myers Industries,”“Company,” “we,” “us,” or “our” wherever used herein refer to the Company, unless the context indicates to the contrary. Since itsfounding, the Company has grown from a small storefront distributing tire service supplies into an international manufacturing and The Company designs, manufactures, and markets a variety of plastic, metal and rubber products, including a broad selection ofplastic reusable containers, pallets, small parts bins, bulk shipping containers, storage and organization products, OEM parts, customplastic products, composite ground protection matting, consumer fuel containers and tanks for water, fuel and waste handling. Ourplastic bulk containers replace single-use packaging, reducing waste and improving sustainability. The Company is also the largest The Company operates fourteen manufacturing facilities and four distribution centers located in the U.S. and Canada and threedistribution branches located in Central America. As of December 31, 2025, the Company has approximately 2,200 employees. Serving customers around the world, Myers Industries’ brands provide sustainable solutions to a wide variety of customers indiverse niche markets. Myers Industries’ diverse products and solutions help customers to improve shop productivity with point ofuse inventory, to store and transport products more safely and efficiently, to improve sustainability through reuse, to lower overall Description of Business The Company conducts its business activities in two distinct business segments, Material Handling and Distribution, consistent withthe manner in which the Company’s Chief Operating Decision Maker evaluates performance and makes resource allocati