Results of Operations and Financial Condition. On August 3, 2026, we issued a press release announcing our financial results for the second quarter ended June 30, 2026. A copy of the press release is attached as Exhibit 99.1, and the information contained in Exhibit 99.1 is incorporated by reference. The information furnished pursuant to this Item 2.02, including Exhibit 99.1, shall not be deemed to be "filed" for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended,…

Results of Operations and Financial Condition. On May 4, 2026, we issued a press release announcing our financial results for the first quarter ended March 31, 2026. A copy of the press release is attached as Exhibit 99.1, and the information contained in Exhibit 99.1 is incorporated by reference. The information furnished pursuant to this Item 2.02, including Exhibit 99.1, shall not be deemed to be "filed" for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended, (th…

Results of Operations and Financial Condition. On February 23, 2026, we issued a press release announcing our financial results for the fourth quarter ended December 31, 2025. A copy of the press release is attached as Exhibit 99.1, and the information contained in Exhibit 99.1 is incorporated by reference. The information furnished pursuant to this Item 2.02, including Exhibit 99.1, shall not be deemed to be "filed" for the purposes of Section 18 of the Securities Exchange Act of 1934, as am…

Director — Daniel L. Jablonsky: The Board of Directors appointed Daniel L. Jablonsky as a new director and increased the board size from nine to ten.

Unregistered Sales of Equity Securities The information set forth under

Entry into a Material Definitive Agreement Indenture and Notes On November 10, 2025, BWX Technologies, Inc. (the “Company”) issued $1,250,000,000 aggregate principal amount of 0% Convertible Senior Notes due 2030 (the “Notes”). The Notes were issued pursuant to an Indenture, dated November 10, 2025 (the “Indenture”), among the Company, the Guarantors (as defined below) and U.S. Bank Trust Company, National Association, as trustee (the “Trustee”). The Notes are guaranteed (the “guarantees”) by…

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

Other Events On November 5, 2025, BWX Technologies, Inc. (the “Company”) issued a press release announcing that the Company plans to commence, subject to market conditions and other factors, a private offering (the “Offering”) of $1.0 billion aggregate principal amount of convertible senior notes due 2030 (the “Notes”) to persons reasonably believed to be qualified institutional buyers pursuant to Rule 144A under the Securities Act of 1933 (the “Securities Act”). The Notes will be guaranteed…

General Counsel — Ronald O. Whitford, Jr.: The Senior Vice President and General Counsel is stepping down from his executive officer role, which constitutes a genuine departure of a senior executive, though the orderly transition and lack of disagreement mitigate negative sentiment.

Results of Operations and Financial Condition. On November 3, 2025, we issued a press release announcing our financial results for the third quarter ended September 30, 2025. A copy of the press release is attached as Exhibit 99.1, and the information contained in Exhibit 99.1 is incorporated by reference. The information furnished pursuant to this Item 2.02, including Exhibit 99.1, shall not be deemed to be "filed" for the purposes of Section 18 of the Securities Exchange Act of 1934, as ame…

Results of Operations and Financial Condition. On August 4, 2025, we issued a press release announcing our financial results for the second quarter ended June 30, 2025. A copy of the press release is attached as Exhibit 99.1, and the information contained in Exhibit 99.1 is incorporated by reference. The information furnished pursuant to this Item 2.02, including Exhibit 99.1, shall not be deemed to be "filed" for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended,…

Chief Nuclear Officer — Kevin M. McCoy: The filing announces the internal appointment of an existing senior executive to a new strategic role, which is a promotion rather than a departure.

CFO — Robb A. LeMasters: The CFO stepped down but remained as a paid advisor for a transition period, and an internal successor was appointed immediately, indicating an orderly succession rather than a sudden loss of leadership.

CEO — Rex D. Geveden: The filing discloses a special equity compensation grant to the CEO, which is a compensatory arrangement rather than a change in management or departure.

Results of Operations and Financial Condition. On May 5, 2025, we issued a press release announcing our financial results for the first quarter ended March 31, 2025. A copy of the press release is attached as Exhibit 99.1, and the information contained in Exhibit 99.1 is incorporated by reference. The information furnished pursuant to this Item 2.02, including Exhibit 99.1, shall not be deemed to be "filed" for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended, (th…

Results of Operations and Financial Condition. On February 24, 2025, we issued a press release announcing our financial results for the fourth quarter ended December 31, 2024. A copy of the press release is attached as Exhibit 99.1, and the information contained in Exhibit 99.1 is incorporated by reference. The information furnished pursuant to this Item 2.02, including Exhibit 99.1, shall not be deemed to be "filed" for the purposes of Section 18 of the Securities Exchange Act of 1934, as am…

CFO — Robb A. LeMasters: The filing discloses a compensatory arrangement (PSU grant) for retention purposes, not a change in management status or departure.

Results of Operations and Financial Condition. On November 4, 2024, we issued a press release announcing our financial results for the third quarter ended September 30, 2024. A copy of the press release is attached as Exhibit 99.1, and the information contained in Exhibit 99.1 is incorporated by reference. The information furnished pursuant to this Item 2.02, including Exhibit 99.1, shall not be deemed to be "filed" for the purposes of Section 18 of the Securities Exchange Act of 1934, as ame…

Results of Operations and Financial Condition. On August 5, 2024, we issued a press release announcing our financial results for the second quarter ended June 30, 2024. A copy of the press release is attached as Exhibit 99.1, and the information contained in Exhibit 99.1 is incorporated by reference. The information furnished pursuant to this Item 2.02, including Exhibit 99.1, shall not be deemed to be "filed" for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended,…

Director — Nicole W. Piasecki: The filing reports the appointment of a sitting director to a board committee, which is a routine administrative governance action.

Results of Operations and Financial Condition. On May 6, 2024, we issued a press release announcing our financial results for the first quarter ended March 31, 2024. A copy of the press release is attached as Exhibit 99.1, and the information contained in Exhibit 99.1 is incorporated by reference. The information furnished pursuant to this Item 2.02, including Exhibit 99.1, shall not be deemed to be "filed" for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended, (th…