Form 4 Filing for Nicole W. Piasecki

Nicole W. Piasecki, a director at BWX Technologies, Inc., was granted 762 Restricted Stock Units (RSUs) on April 30, 2026, under the company's 2020 Omnibus Incentive Plan. Each RSU represents a contingent right to one share of BWXT common stock. The RSUs vested immediately, but Ms. Piasecki elected to defer the receipt of shares. These shares will be delivered in five annual installments starting one year after her termination of service on the Board of Directors. The filing indicates that this is a grant of securities and the reporting owner acquired them, with a transaction price of $0.0.