Company: BWXT
Filing Date: 2025-03-06
Form Type: PRE 14A
Source: 0001486957-25-000011
Chunk: 76

Company: BWX Technologies, Inc.
Filing Date: 2025-03-06
Form: PRE 14A
Chunk 76
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 accrued dividend equivalents paid in shares that he has elected to defer under our Incentive Plans and which are considered beneficially owned under applicable SEC rules because they will be acquired immediately upon termination of his service on the Board.

(9) Shares beneficially owned by Ms. Piasecki represent vested restricted stock units and accrued dividend equivalents paid in shares that she has elected to defer under our Incentive Plans and which are considered beneficially owned under applicable SEC rules because they will be acquired immediately upon her termination of service on the Board.

(10) Shares beneficially owned by Adm. Richardson include shares of common stock directly held and 6,966 shares of vested restricted stock units and accrued dividend equivalents paid in shares that he has elected to defer under our Incentive Plans and which are considered beneficially owned under applicable SEC rules because they will be acquired immediately upon his termination of service on the Board.

Shares beneficially owned by each of our directors and executive officers individually in each case constituted less than one percent of the outstanding shares of common stock on March 6, 2025, as determined in accordance with Rule 13d-3(d)(1) under the Securities Exchange Act of 1934. The aggregate shares beneficially owned by all of our directors and executive officers as a group constituted less than one percent of the outstanding shares of common stock measured as of the same date and on the same basis.

#### 582025 PROXY STATEMENT
| SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OFFICERS |

### SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS
The following table furnishes information concerning all persons known by us to beneficially own 5% or more of our outstanding shares of common stock, which is our only class of voting stock outstanding.

| Name and Address of Beneficial Owner |     | Amount and 
 Nature of  
 Beneficial 
 Ownership  |           |     | Percent     
 of Class(1) |      |   |
| BlackRock, Inc.(2)                   
 50 Hudson Yards                      
 New York, NY 10001                   |     |            | 9,453,104 |     |             | 10.3 | % |
| The Vanguard Group(3)                
 100 Vanguard Blvd.                   
 Malvern, PA 19335                    |     |            | 9,211,924 |     |             | 10.1 | % |

(1) Percent is based on outstanding shares of our common stock on March 6, 202