Other Events. RBC Bearings Incorporated announced that its Dodge Industrial, Inc. subsidiary has acquired the business assets of PSC Couplings, LLC, a manufacturer of disc coupling solutions, for a cash purchase price of $24.2 million. A copy of the press release announcing the acquisition is attached hereto as Exhibit 99.1 to this report and is incorporated herein by this reference. Section 9 – Financial Statements and Exhibits

of Form 8-K, and is not deemed to be “filed” for purposes of Section 18 of the Securities Exchange Act of 1934 or otherwise subject to the liabilities of that section. The information contained herein and in the accompanying exhibit is not incorporated by reference in any filing of the Company under the Securities Act of 1933 or the Securities Exchange Act of 1934, whether made before or after the date hereof and irrespective of any general incorporation language in any filings. Section 9 – F…

Section 5 – Corporate Governance and Management Item 5.02(e). Compensation Arrangements of Certain Officers The new employment agreement entered into with Dr. Hartnett on June 23, 2026 amends and restates the employment agreement that the Company and Dr. Hartnett entered into in 2024 (which was filed with the SEC as Exhibit 10.1 to the Company’s Current Report on Form 8-K dated June 28, 2024). The new agreement has an initial term that expires on March 31, 2027 with automatic annual renewals…

of Form 8-K, and is not deemed to be “filed” for purposes of Section 18 of the Securities Exchange Act of 1934 or otherwise subject to the liabilities of that section. The information contained herein and in the accompanying exhibit is not incorporated by reference in any filing of the Company under the Securities Act of 1933 or the Securities Exchange Act of 1934, whether made before or after the date hereof and irrespective of any general incorporation language in any filings. Section 9 – F…

of Form 8-K, and is not deemed to be “filed” for purposes of Section 18 of the Securities Exchange Act of 1934 or otherwise subject to the liabilities of that section. The information contained herein and in the accompanying exhibit is not incorporated by reference in any filing of the Company under the Securities Act of 1933 or the Securities Exchange Act of 1934, whether made before or after the date hereof and irrespective of any general incorporation language in any filings. Section 9 – F…

of Form 8-K, and is not deemed to be “filed” for purposes of Section 18 of the Securities Exchange Act of 1934 or otherwise subject to the liabilities of that section. The information contained herein and in the accompanying exhibit is not incorporated by reference in any filing of the Company under the Securities Act of 1933 or the Securities Exchange Act of 1934, whether made before or after the date hereof and irrespective of any general incorporation language in any filings. Section 9 - F…

Entry into a Material Definitive Agreement. On October 28, 2025, RBC Bearings Incorporated (the “Company”) and its subsidiary, Roller Bearing Company of America, Inc. (“RBCA”), entered into that certain Second Amendment to Credit Agreement with Wells Fargo Bank, National Association, as administrative agent (the “Agent”), and the lenders party thereto (the “Second Amendment”). The Second Amendment amends that certain Credit Agreement, dated as of November 1, 2021 and amended as of December 5,…

Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant. The information set forth in

of Form 8-K, and is not deemed to be “filed” for purposes of Section 18 of the Securities Exchange Act of 1934 or otherwise subject to the liabilities of that section. The information contained herein and in the accompanying exhibit is not incorporated by reference in any filing of the Company under the Securities Act of 1933 or the Securities Exchange Act of 1934, whether made before or after the date hereof and irrespective of any general incorporation language in any filings. Section 9 – F…

Other Events. On July 18, 2025 RBCA completed the previously-announced acquisition of VACCO Industries from ESCO Technologies Inc. for $275.0 million in cash, subject to certain post-closing adjustments. The purchase price was paid with borrowing under the Revolver (see Item 2.03 “Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement” above) and cash on hand. VACCO, located in South El Monte, California, manufactures valves, manifolds, regulators, f…

Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement On July 18, 2025 Roller Bearing Company of America, Inc. (“RBCA”), a subsidiary of RBC Bearings Incorporated, drew down $200.0 million on its $500.0 million revolving credit facility with Wells Fargo Bank, National Association, and the other members of the lender group (the “Revolver”), and used the money to pay a portion of the purchase price to acquire VACCO Industries. See Item 8.01 “Other Eve…

Other Events. RBC Bearings Incorporated has announced that it has entered into a definitive agreement to acquire VACCO Industries from ESCO Technologies for $310 million in cash. VACCO, located in South El Monte, California, manufacturers valves, manifolds, regulators, filters, and other precision components and subsystems for space and naval defense applications. For the 12-month period ending March 31, 2025, VACCO generated revenue of approximately $118 million. The transaction, which is su…

of Form 8-K, and is not deemed to be “filed” for purposes of Section 18 of the Securities Exchange Act of 1934 or otherwise subject to the liabilities of that section. The information contained herein and in the accompanying exhibit is not incorporated by reference in any filing of the Company under the Securities Act of 1933 or the Securities Exchange Act of 1934, whether made before or after the date hereof and irrespective of any general incorporation language in any filings. Section 9 – F…

of Form 8-K, and is not deemed to be “filed” for purposes of Section 18 of the Securities Exchange Act of 1934 or otherwise subject to the liabilities of that section. The information contained herein and in the accompanying exhibit is not incorporated by reference in any filing of the Company under the Securities Act of 1933 or the Securities Exchange Act of 1934, whether made before or after the date hereof and irrespective of any general incorporation language in any filings. Section 9 – F…

of Form 8-K, and is not deemed to be “filed” for purposes of Section 18 of the Securities Exchange Act of 1934 or otherwise subject to the liabilities of that section. The information contained herein and in the accompanying exhibit is not incorporated by reference in any filing of the Company under the Securities Act of 1933 or the Securities Exchange Act of 1934, whether made before or after the date hereof and irrespective of any general incorporation language in any filings. Section 9 – F…

Other Events. On October 15, 2024, each then-outstanding share of the 5.00% Series A Mandatory Convertible Preferred Stock (the “Preferred Stock”) of RBC Bearings Incorporated (the “Company”) convert into 0.4413 shares of the Company’s common stock (the “Common Stock”). The conversion rate was based on a value for the Common Stock equal to the lower of (i) the average of the daily VWAPs in the 20-trading-day period through October 14, 2024 (the daily VWAP is the per share volume-weighted aver…

Director — Frederick J. Elmy: The filing discloses the election of a new director to fill a vacancy, which is a routine board composition change rather than the departure of a senior executive.

Material Modification to Rights of Security Holders. On September 11, 2024, RBC Bearings Incorporated (the “Company”) filed a certificate of amendment with the Delaware Secretary of State amending Section 1(a) of Article Eight of the Company’s certificate of incorporation to read as follows: To the fullest extent permitted by the Delaware General Corporation Law as it now exists or may hereafter be amended (but, in the case of any such amendment, only to the extent that such amendment permits…

of Form 8-K, and is not deemed to be “filed” for purposes of Section 18 of the Securities Exchange Act of 1934 or otherwise subject to the liabilities of that section. The information contained herein and in the accompanying exhibit is not incorporated by reference in any filing of the Company under the Securities Act of 1933 or the Securities Exchange Act of 1934, whether made before or after the date hereof and irrespective of any general incorporation language in any filings. Section 9 – F…

Section 5 – Corporate Governance and Management Item 5.02(e). Compensation Arrangements of Certain Officers Employment Agreements Generally The employment agreement entered into with Dr. Hartnett on June 27, 2024 amends and restates the employment agreement that the Company and Dr. Hartnett entered into in 2022 (which was filed with the SEC as Exhibit 10.1 to the Company’s Current Report on Form 8-K dated June 9, 2022). The new agreement has an initial term that expires on March 31, 2026 with…

of Form 8-K, and is not deemed to be “filed” for purposes of Section 18 of the Securities Exchange Act of 1934 or otherwise subject to the liabilities of that section. The information contained herein and in the accompanying exhibit is not incorporated by reference in any filing of the Company under the Securities Act of 1933 or the Securities Exchange Act of 1934, whether made before or after the date hereof and irrespective of any general incorporation language in any filings. Section 9 – F…