BWXT

SEC source: 0001492627-19-000066 · wf-form4_157661938995643.xml · derivative · entry 1

LeMasters Robb A. · CIK 0001645808 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 508.81

Underlying: Common Stock · 42.87 shares

Expires not disclosed

F1 · derivative.exercise_price: The dividend equivalent rights accrued on five restricted stock unit grants of which the reporting person has elected to defer receipt of the shares underlying the RSUs. Each RSU and DER represent a contingent right to receive one share of BWXT common stock. In accordance with the deferral election, the DERs will be delivered to the reporting person proportionately with the RSUs to which they relate.

F1 · derivative.exercise_date: The dividend equivalent rights accrued on five restricted stock unit grants of which the reporting person has elected to defer receipt of the shares underlying the RSUs. Each RSU and DER represent a contingent right to receive one share of BWXT common stock. In accordance with the deferral election, the DERs will be delivered to the reporting person proportionately with the RSUs to which they relate.

F1 · derivative.expiration_date: The dividend equivalent rights accrued on five restricted stock unit grants of which the reporting person has elected to defer receipt of the shares underlying the RSUs. Each RSU and DER represent a contingent right to receive one share of BWXT common stock. In accordance with the deferral election, the DERs will be delivered to the reporting person proportionately with the RSUs to which they relate.

SEC source: 0001492627-19-000065 · wf-form4_157661930827442.xml · derivative · entry 1

Krieg Kenneth J · CIK 0001477490 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 215.8

Underlying: Common Stock · 25.16 shares

Expires not disclosed

F1 · derivative.exercise_price: The dividend equivalent rights accrued on four restricted stock unit grants of which the reporting person has elected to defer receipt of the shares underlying the RSUs. Each RSU and DER represent a contingent right to receive one share of BWXT common stock. In accordance with the deferral election, the DERs will be delivered to the reporting person proportionately with the RSUs to which they relate.

F1 · derivative.exercise_date: The dividend equivalent rights accrued on four restricted stock unit grants of which the reporting person has elected to defer receipt of the shares underlying the RSUs. Each RSU and DER represent a contingent right to receive one share of BWXT common stock. In accordance with the deferral election, the DERs will be delivered to the reporting person proportionately with the RSUs to which they relate.

F1 · derivative.expiration_date: The dividend equivalent rights accrued on four restricted stock unit grants of which the reporting person has elected to defer receipt of the shares underlying the RSUs. Each RSU and DER represent a contingent right to receive one share of BWXT common stock. In accordance with the deferral election, the DERs will be delivered to the reporting person proportionately with the RSUs to which they relate.

SEC source: 0001492627-19-000064 · wf-form4_157661923575010.xml · derivative · entry 1

JASKA JAMES M · CIK 0001187147 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 215.8

Underlying: Common Stock · 25.16 shares

Expires not disclosed

F1 · derivative.exercise_price: The dividend equivalent rights accrued on four restricted stock unit grants of which the reporting person has elected to defer receipt of the shares underlying the RSUs. Each RSU and DER represent a contingent right to receive one share of BWXT common stock. In accordance with the deferral election, the DERs will be delivered to the reporting person proportionately with the RSUs to which they relate.

F1 · derivative.exercise_date: The dividend equivalent rights accrued on four restricted stock unit grants of which the reporting person has elected to defer receipt of the shares underlying the RSUs. Each RSU and DER represent a contingent right to receive one share of BWXT common stock. In accordance with the deferral election, the DERs will be delivered to the reporting person proportionately with the RSUs to which they relate.

F1 · derivative.expiration_date: The dividend equivalent rights accrued on four restricted stock unit grants of which the reporting person has elected to defer receipt of the shares underlying the RSUs. Each RSU and DER represent a contingent right to receive one share of BWXT common stock. In accordance with the deferral election, the DERs will be delivered to the reporting person proportionately with the RSUs to which they relate.

SEC source: 0001492627-19-000063 · wf-form4_157661915426359.xml · derivative · entry 1

FEES JOHN A · CIK 0001199539 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,400.26

Underlying: Common Stock · 68.36 shares

Expires not disclosed

F1 · derivative.exercise_price: The dividend equivalent rights accrued on seven restricted stock unit grants of which the reporting person has elected to defer receipt of the shares underlying the RSUs. Each RSU and DER represent a contingent right to receive one share of BWXT common stock. In accordance with the deferral election, the DERs will be delivered to the reporting person proportionately with the RSU's to which they relate.

F1 · derivative.exercise_date: The dividend equivalent rights accrued on seven restricted stock unit grants of which the reporting person has elected to defer receipt of the shares underlying the RSUs. Each RSU and DER represent a contingent right to receive one share of BWXT common stock. In accordance with the deferral election, the DERs will be delivered to the reporting person proportionately with the RSU's to which they relate.

F1 · derivative.expiration_date: The dividend equivalent rights accrued on seven restricted stock unit grants of which the reporting person has elected to defer receipt of the shares underlying the RSUs. Each RSU and DER represent a contingent right to receive one share of BWXT common stock. In accordance with the deferral election, the DERs will be delivered to the reporting person proportionately with the RSU's to which they relate.

SEC source: 0001492627-19-000062 · wf-form4_157661906721346.xml · derivative · entry 1

Burbach Gerhard F · CIK 0001307313 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 49.68

Underlying: Common Stock · 10.73 shares

Expires not disclosed

F1 · derivative.exercise_price: The dividend equivalent rights accrued on two restricted stock unit grants of which the reporting person has elected to defer receipt of the shares underlying the RSUs. Each RSU and DER represent a contingent right to receive one share of BWXT common stock. In accordance with the deferral election, the DERs will be delivered to the reporting person proportionately with the RSUs to which they relate.

F1 · derivative.exercise_date: The dividend equivalent rights accrued on two restricted stock unit grants of which the reporting person has elected to defer receipt of the shares underlying the RSUs. Each RSU and DER represent a contingent right to receive one share of BWXT common stock. In accordance with the deferral election, the DERs will be delivered to the reporting person proportionately with the RSUs to which they relate.

F1 · derivative.expiration_date: The dividend equivalent rights accrued on two restricted stock unit grants of which the reporting person has elected to defer receipt of the shares underlying the RSUs. Each RSU and DER represent a contingent right to receive one share of BWXT common stock. In accordance with the deferral election, the DERs will be delivered to the reporting person proportionately with the RSUs to which they relate.

SEC source: 0001492627-19-000061 · wf-form4_157661894339802.xml · derivative · entry 1

Bertsch Jan · CIK 0001477291 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 696.19

Underlying: Common Stock · 49.9 shares

Expires not disclosed

F1 · derivative.exercise_price: The dividend equivalent rights accrued on six restricted stock unit grants of which the reporting person has elected to defer receipt of the shares underlying the RSUs. Each RSU and DER represent a contingent right to receive one share of BWXT common stock. In accordance with the deferral election, the DERs will be delivered to the reporting person proportionately with the RSUs to which they relate.

F1 · derivative.exercise_date: The dividend equivalent rights accrued on six restricted stock unit grants of which the reporting person has elected to defer receipt of the shares underlying the RSUs. Each RSU and DER represent a contingent right to receive one share of BWXT common stock. In accordance with the deferral election, the DERs will be delivered to the reporting person proportionately with the RSUs to which they relate.

F1 · derivative.expiration_date: The dividend equivalent rights accrued on six restricted stock unit grants of which the reporting person has elected to defer receipt of the shares underlying the RSUs. Each RSU and DER represent a contingent right to receive one share of BWXT common stock. In accordance with the deferral election, the DERs will be delivered to the reporting person proportionately with the RSUs to which they relate.

SEC source: 0001492627-19-000060 · wf-form4_157610081007714.xml · nonDerivative · entry 1

Black David S · CIK 0001492627 · Sr. V.P, CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 73,161

F1 · kind: The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 28, 2019.

SEC source: 0001743322-19-000001 · wf-form4_157428586374716.xml · nonDerivative · entry 1

Duling Joel W. · CIK 0001743322 · President, Nuclear Operations

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,801

SEC source: 0001492627-19-000059 · wf-form4_157359568567339.xml · nonDerivative · entry 1

Black David S · CIK 0001492627 · Sr. V.P, CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 74,161

F1 · kind: The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 28, 2019.

SEC source: 0001492627-19-000058 · wf-form4_157074071589624.xml · nonDerivative · entry 1

Black David S · CIK 0001492627 · Sr. V.P, CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 75,161

F1 · kind: The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 28, 2019.

SEC source: 0001492627-19-000057 · wf-form4_156814859102607.xml · nonDerivative · entry 1

Black David S · CIK 0001492627 · Sr. V.P, CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 76,161

F1 · kind: The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 28, 2019.

SEC source: 0001492627-19-000056 · wf-form4_156814848188714.xml · derivative · entry 1

PRYOR CHARLES W JR · CIK 0001167322 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 250.22

Underlying: Common Stock · 29.88 shares

Expires not disclosed

F1 · derivative.exercise_price: The dividend equivalent rights accrued on four restricted stock unit grants of which the reporting person has elected to defer receipt of the shares underlying the RSU. Each RSU and DER represent a contingent right to receive one share of BWXT common stock. In accordance with the deferral election, the DERs will be delivered to the reporting person proportionately with the RSU to which they relate.

F1 · derivative.exercise_date: The dividend equivalent rights accrued on four restricted stock unit grants of which the reporting person has elected to defer receipt of the shares underlying the RSU. Each RSU and DER represent a contingent right to receive one share of BWXT common stock. In accordance with the deferral election, the DERs will be delivered to the reporting person proportionately with the RSU to which they relate.

F1 · derivative.expiration_date: The dividend equivalent rights accrued on four restricted stock unit grants of which the reporting person has elected to defer receipt of the shares underlying the RSU. Each RSU and DER represent a contingent right to receive one share of BWXT common stock. In accordance with the deferral election, the DERs will be delivered to the reporting person proportionately with the RSU to which they relate.

SEC source: 0001492627-19-000055 · wf-form4_156814838815599.xml · derivative · entry 1

NARDELLI ROBERT L · CIK 0001195005 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 646.29

Underlying: Common Stock · 51.65 shares

Expires not disclosed

F1 · derivative.exercise_price: The dividend equivalent rights accrued on six restricted stock unit grants of which the reporting person has elected to defer receipt of the shares underlying the RSUs. Each RSU and DER represent a contingent right to receive one share of BWXT common stock. In accordance with the deferral election, the DERs will be delivered to the reporting person proportionately with the RSUs to which they relate.

F1 · derivative.exercise_date: The dividend equivalent rights accrued on six restricted stock unit grants of which the reporting person has elected to defer receipt of the shares underlying the RSUs. Each RSU and DER represent a contingent right to receive one share of BWXT common stock. In accordance with the deferral election, the DERs will be delivered to the reporting person proportionately with the RSUs to which they relate.

F1 · derivative.expiration_date: The dividend equivalent rights accrued on six restricted stock unit grants of which the reporting person has elected to defer receipt of the shares underlying the RSUs. Each RSU and DER represent a contingent right to receive one share of BWXT common stock. In accordance with the deferral election, the DERs will be delivered to the reporting person proportionately with the RSUs to which they relate.

SEC source: 0001492627-19-000054 · wf-form4_156814830736963.xml · derivative · entry 1

LeMasters Robb A. · CIK 0001645808 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 465.94

Underlying: Common Stock · 44.38 shares

Expires not disclosed

F1 · derivative.exercise_price: The dividend equivalent rights accrued on five restricted stock unit grants of which the reporting person has elected to defer receipt of the shares underlying the RSUs. Each RSU and DER represent a contingent right to receive one share of BWXT common stock. In accordance with the deferral election, the DERs will be delivered to the reporting person proportionately with the RSUs to which they relate.

F1 · derivative.exercise_date: The dividend equivalent rights accrued on five restricted stock unit grants of which the reporting person has elected to defer receipt of the shares underlying the RSUs. Each RSU and DER represent a contingent right to receive one share of BWXT common stock. In accordance with the deferral election, the DERs will be delivered to the reporting person proportionately with the RSUs to which they relate.

F1 · derivative.expiration_date: The dividend equivalent rights accrued on five restricted stock unit grants of which the reporting person has elected to defer receipt of the shares underlying the RSUs. Each RSU and DER represent a contingent right to receive one share of BWXT common stock. In accordance with the deferral election, the DERs will be delivered to the reporting person proportionately with the RSUs to which they relate.

SEC source: 0001492627-19-000053 · wf-form4_156814816513053.xml · derivative · entry 1

Krieg Kenneth J · CIK 0001477490 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 190.64

Underlying: Common Stock · 26.03 shares

Expires not disclosed

F1 · derivative.exercise_price: The dividend equivalent rights accrued on four restricted stock unit grants of which the reporting person has elected to defer receipt of the shares underlying the RSUs. Each RSU and DER represent a contingent right to receive one share of BWXT common stock. In accordance with the deferral election, the DERs will be delivered to the reporting person proportionately with the RSUs to which they relate.

F1 · derivative.exercise_date: The dividend equivalent rights accrued on four restricted stock unit grants of which the reporting person has elected to defer receipt of the shares underlying the RSUs. Each RSU and DER represent a contingent right to receive one share of BWXT common stock. In accordance with the deferral election, the DERs will be delivered to the reporting person proportionately with the RSUs to which they relate.

F1 · derivative.expiration_date: The dividend equivalent rights accrued on four restricted stock unit grants of which the reporting person has elected to defer receipt of the shares underlying the RSUs. Each RSU and DER represent a contingent right to receive one share of BWXT common stock. In accordance with the deferral election, the DERs will be delivered to the reporting person proportionately with the RSUs to which they relate.

SEC source: 0001492627-19-000052 · wf-form4_156814808516585.xml · derivative · entry 1

JASKA JAMES M · CIK 0001187147 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 190.64

Underlying: Common Stock · 26.03 shares

Expires not disclosed

F1 · derivative.exercise_price: The dividend equivalent rights accrued on four restricted stock unit grants of which the reporting person has elected to defer receipt of the shares underlying the RSUs. Each RSU and DER represent a contingent right to receive one share of BWXT common stock. In accordance with the deferral election, the DERs will be delivered to the reporting person proportionately with the RSUs to which they relate.

F1 · derivative.exercise_date: The dividend equivalent rights accrued on four restricted stock unit grants of which the reporting person has elected to defer receipt of the shares underlying the RSUs. Each RSU and DER represent a contingent right to receive one share of BWXT common stock. In accordance with the deferral election, the DERs will be delivered to the reporting person proportionately with the RSUs to which they relate.

F1 · derivative.expiration_date: The dividend equivalent rights accrued on four restricted stock unit grants of which the reporting person has elected to defer receipt of the shares underlying the RSUs. Each RSU and DER represent a contingent right to receive one share of BWXT common stock. In accordance with the deferral election, the DERs will be delivered to the reporting person proportionately with the RSUs to which they relate.

SEC source: 0001492627-19-000051 · wf-form4_156814800156880.xml · derivative · entry 1

Burbach Gerhard F · CIK 0001307313 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 38.95

Underlying: Common Stock · 11.1 shares

Expires not disclosed

F1 · derivative.exercise_price: The dividend equivalent rights accrued on two restricted stock unit grants of which the reporting person has elected to defer receipt of the shares underlying the RSUs. Each RSU and DER represent a contingent right to receive one share of BWXT common stock. In accordance with the deferral election, the DERs will be delivered to the reporting person proportionately with the RSUs to which they relate.

F1 · derivative.exercise_date: The dividend equivalent rights accrued on two restricted stock unit grants of which the reporting person has elected to defer receipt of the shares underlying the RSUs. Each RSU and DER represent a contingent right to receive one share of BWXT common stock. In accordance with the deferral election, the DERs will be delivered to the reporting person proportionately with the RSUs to which they relate.

F1 · derivative.expiration_date: The dividend equivalent rights accrued on two restricted stock unit grants of which the reporting person has elected to defer receipt of the shares underlying the RSUs. Each RSU and DER represent a contingent right to receive one share of BWXT common stock. In accordance with the deferral election, the DERs will be delivered to the reporting person proportionately with the RSUs to which they relate.

SEC source: 0001492627-19-000050 · wf-form4_156814790476560.xml · derivative · entry 1

FEES JOHN A · CIK 0001199539 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,331.9

Underlying: Common Stock · 70.77 shares

Expires not disclosed

F1 · derivative.exercise_price: The dividend equivalent rights accrued on seven restricted stock unit grants of which the reporting person has elected to defer receipt of the shares underlying the RSUs. Each RSU and DER represent a contingent right to receive one share of BWXT common stock. In accordance with the deferral election, the DERs will be delivered to the reporting person proportionately with the RSU's to which they relate.

F1 · derivative.exercise_date: The dividend equivalent rights accrued on seven restricted stock unit grants of which the reporting person has elected to defer receipt of the shares underlying the RSUs. Each RSU and DER represent a contingent right to receive one share of BWXT common stock. In accordance with the deferral election, the DERs will be delivered to the reporting person proportionately with the RSU's to which they relate.

F1 · derivative.expiration_date: The dividend equivalent rights accrued on seven restricted stock unit grants of which the reporting person has elected to defer receipt of the shares underlying the RSUs. Each RSU and DER represent a contingent right to receive one share of BWXT common stock. In accordance with the deferral election, the DERs will be delivered to the reporting person proportionately with the RSU's to which they relate.

SEC source: 0001492627-19-000049 · wf-form4_156814775580927.xml · derivative · entry 1

Bertsch Jan · CIK 0001477291 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 646.29

Underlying: Common Stock · 51.65 shares

Expires not disclosed

F1 · derivative.exercise_price: The dividend equivalent rights accrued on six restricted stock unit grants of which the reporting person has elected to defer receipt of the shares underlying the RSUs. Each RSU and DER represent a contingent right to receive one share of BWXT common stock. In accordance with the deferral election, the DERs will be delivered to the reporting person proportionately with the RSUs to which they relate.

F1 · derivative.exercise_date: The dividend equivalent rights accrued on six restricted stock unit grants of which the reporting person has elected to defer receipt of the shares underlying the RSUs. Each RSU and DER represent a contingent right to receive one share of BWXT common stock. In accordance with the deferral election, the DERs will be delivered to the reporting person proportionately with the RSUs to which they relate.

F1 · derivative.expiration_date: The dividend equivalent rights accrued on six restricted stock unit grants of which the reporting person has elected to defer receipt of the shares underlying the RSUs. Each RSU and DER represent a contingent right to receive one share of BWXT common stock. In accordance with the deferral election, the DERs will be delivered to the reporting person proportionately with the RSUs to which they relate.

SEC source: 0001492627-19-000048 · wf-form4_156762945951763.xml · nonDerivative · entry 1

Black David S · CIK 0001492627 · Sr. V.P, CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 77,161

SEC source: 0001492627-19-000047 · wf-form4_156564243230670.xml · derivative · entry 4

Loving Richard W · CIK 0001681053 · SVP, Human Resources

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 619 shares

Expires 2019-08-11

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_date: RSUs vest in three equal annual installments beginning August 11, 2017.

SEC source: 0001492627-19-000047 · wf-form4_156564243230670.xml · nonDerivative · entry 2

Loving Richard W · CIK 0001681053 · SVP, Human Resources

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,373

SEC source: 0001492627-19-000047 · wf-form4_156564243230670.xml · nonDerivative · entry 1

Loving Richard W · CIK 0001681053 · SVP, Human Resources

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,559

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001492627-19-000046 · wf-form4_156564230604918.xml · derivative · entry 3

MCCABE THOMAS E · CIK 0001035150 · SVP & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,394

Underlying: Common Stock · 697 shares

Expires 2021-08-09

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_date: RSUs vest in three equal annual installments beginning August 9, 2019.

SEC source: 0001492627-19-000046 · wf-form4_156564230604918.xml · nonDerivative · entry 2

MCCABE THOMAS E · CIK 0001035150 · SVP & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 488

SEC source: 0001492627-19-000046 · wf-form4_156564230604918.xml · nonDerivative · entry 1

MCCABE THOMAS E · CIK 0001035150 · SVP & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 697

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001492627-19-000045 · wf-form4_156564220159773.xml · nonDerivative · entry 1

Black David S · CIK 0001492627 · Sr. V.P, CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 79,361

F1 · kind: The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 28, 2019.

SEC source: 0001780421-19-000004 · wf-form4_156564197767179.xml · derivative · entry 3

Melvin Leland D · CIK 0001780421 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,104 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_date: RSUs vest immediately.

F2 · derivative.expiration_date: RSUs vest immediately.

SEC source: 0001780421-19-000004 · wf-form4_156564197767179.xml · derivative · entry 2

Melvin Leland D · CIK 0001780421 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,104

Underlying: Common Stock · 2,104 shares

Expires not disclosed

F1 · kind: Grant of restricted stock units pursuant to the Amended and Restated 2010 Long-Term Incentive Plan of BWX Technologies, Inc. Each restricted stock unit represents a contingent right to receive one share of BWXT common stock.

F2 · derivative.exercise_date: RSUs vest immediately.

F2 · derivative.expiration_date: RSUs vest immediately.

SEC source: 0001780421-19-000004 · wf-form4_156564197767179.xml · nonDerivative · entry 1

Melvin Leland D · CIK 0001780421 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,104

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001492627-19-000044 · wf-form4_156564209232691.xml · nonDerivative · entry 1

FEES JOHN A · CIK 0001199539 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 78,495

F1 · price: The price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $56.66 to $57.68, inclusive. The reporting person undertakes to provide to BWX Technologies, Inc., any security holder of BWX Technologies, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (1) to this Form 4.

F2 · balance_after: Since the date of the reporting person's last report, 9,475 shares previously owned through the BWX Technologies, Inc. 401(k) plan were rolled over into a self-directed IRA and therefore are now owned directly.

SEC source: 0001492627-19-000043 · wf-form4_156287717974565.xml · nonDerivative · entry 1

Black David S · CIK 0001492627 · Sr. V.P, CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 80,361

F1 · kind: The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 28, 2019.

SEC source: 0001492627-19-000042 · wf-form4_156106489628966.xml · nonDerivative · entry 1

Black David S · CIK 0001492627 · Sr. V.P, CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 81,361

F1 · kind: The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 28, 2019.

SEC source: 0001492627-19-000041 · wf-form4_155994005993894.xml · derivative · entry 1

PRYOR CHARLES W JR · CIK 0001167322 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 220.34

Underlying: Common Stock · 36.91 shares

Expires not disclosed

F1 · derivative.exercise_price: The dividend equivalent rights accrued on four restricted stock unit grants of which the reporting person has elected to defer receipt of the shares underlying the RSU. Each RSU and DER represent a contingent right to receive one share of BWXT common stock. In accordance with the deferral election, the DERs will be delivered to the reporting person proportionately with the RSU to which they relate.

F1 · derivative.exercise_date: The dividend equivalent rights accrued on four restricted stock unit grants of which the reporting person has elected to defer receipt of the shares underlying the RSU. Each RSU and DER represent a contingent right to receive one share of BWXT common stock. In accordance with the deferral election, the DERs will be delivered to the reporting person proportionately with the RSU to which they relate.

F1 · derivative.expiration_date: The dividend equivalent rights accrued on four restricted stock unit grants of which the reporting person has elected to defer receipt of the shares underlying the RSU. Each RSU and DER represent a contingent right to receive one share of BWXT common stock. In accordance with the deferral election, the DERs will be delivered to the reporting person proportionately with the RSU to which they relate.

SEC source: 0001492627-19-000039 · wf-form4_155993986949752.xml · derivative · entry 1

LeMasters Robb A. · CIK 0001645808 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 421.56

Underlying: Common Stock · 54.81 shares

Expires not disclosed

F1 · derivative.exercise_price: The dividend equivalent rights accrued on five restricted stock unit grants of which the reporting person has elected to defer receipt of the shares underlying the RSUs. Each RSU and DER represent a contingent right to receive one share of BWXT common stock. In accordance with the deferral election, the DERs will be delivered to the reporting person proportionately with the RSUs to which they relate.

F1 · derivative.exercise_date: The dividend equivalent rights accrued on five restricted stock unit grants of which the reporting person has elected to defer receipt of the shares underlying the RSUs. Each RSU and DER represent a contingent right to receive one share of BWXT common stock. In accordance with the deferral election, the DERs will be delivered to the reporting person proportionately with the RSUs to which they relate.

F1 · derivative.expiration_date: The dividend equivalent rights accrued on five restricted stock unit grants of which the reporting person has elected to defer receipt of the shares underlying the RSUs. Each RSU and DER represent a contingent right to receive one share of BWXT common stock. In accordance with the deferral election, the DERs will be delivered to the reporting person proportionately with the RSUs to which they relate.

SEC source: 0001492627-19-000036 · wf-form4_155993955548779.xml · derivative · entry 1

FEES JOHN A · CIK 0001199539 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,261.13

Underlying: Common Stock · 87.4 shares

Expires not disclosed

F1 · derivative.exercise_price: The dividend equivalent rights accrued on seven restricted stock unit grants of which the reporting person has elected to defer receipt of the shares underlying the RSUs. Each RSU and DER represent a contingent right to receive one share of BWXT common stock. In accordance with the deferral election, the DERs will be delivered to the reporting person proportionately with the RSU's to which they relate.

F1 · derivative.exercise_date: The dividend equivalent rights accrued on seven restricted stock unit grants of which the reporting person has elected to defer receipt of the shares underlying the RSUs. Each RSU and DER represent a contingent right to receive one share of BWXT common stock. In accordance with the deferral election, the DERs will be delivered to the reporting person proportionately with the RSU's to which they relate.

F1 · derivative.expiration_date: The dividend equivalent rights accrued on seven restricted stock unit grants of which the reporting person has elected to defer receipt of the shares underlying the RSUs. Each RSU and DER represent a contingent right to receive one share of BWXT common stock. In accordance with the deferral election, the DERs will be delivered to the reporting person proportionately with the RSU's to which they relate.

SEC source: 0001492627-19-000040 · wf-form4_155993996135218.xml · derivative · entry 1

NARDELLI ROBERT L · CIK 0001195005 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 594.64

Underlying: Common Stock · 63.79 shares

Expires not disclosed

F1 · derivative.exercise_price: The dividend equivalent rights accrued on six restricted stock unit grants of which the reporting person has elected to defer receipt of the shares underlying the RSUs. Each RSU and DER represent a contingent right to receive one share of BWXT common stock. In accordance with the deferral election, the DERs will be delivered to the reporting person proportionately with the RSUs to which they relate.

F1 · derivative.exercise_date: The dividend equivalent rights accrued on six restricted stock unit grants of which the reporting person has elected to defer receipt of the shares underlying the RSUs. Each RSU and DER represent a contingent right to receive one share of BWXT common stock. In accordance with the deferral election, the DERs will be delivered to the reporting person proportionately with the RSUs to which they relate.

F1 · derivative.expiration_date: The dividend equivalent rights accrued on six restricted stock unit grants of which the reporting person has elected to defer receipt of the shares underlying the RSUs. Each RSU and DER represent a contingent right to receive one share of BWXT common stock. In accordance with the deferral election, the DERs will be delivered to the reporting person proportionately with the RSUs to which they relate.

SEC source: 0001492627-19-000038 · wf-form4_155993976526465.xml · derivative · entry 1

Krieg Kenneth J · CIK 0001477490 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 164.61

Underlying: Common Stock · 32.17 shares

Expires not disclosed

F1 · derivative.exercise_price: The dividend equivalent rights accrued on four restricted stock unit grants of which the reporting person has elected to defer receipt of the shares underlying the RSUs. Each RSU and DER represent a contingent right to receive one share of BWXT common stock. In accordance with the deferral election, the DERs will be delivered to the reporting person proportionately with the RSUs to which they relate.

F1 · derivative.exercise_date: The dividend equivalent rights accrued on four restricted stock unit grants of which the reporting person has elected to defer receipt of the shares underlying the RSUs. Each RSU and DER represent a contingent right to receive one share of BWXT common stock. In accordance with the deferral election, the DERs will be delivered to the reporting person proportionately with the RSUs to which they relate.

F1 · derivative.expiration_date: The dividend equivalent rights accrued on four restricted stock unit grants of which the reporting person has elected to defer receipt of the shares underlying the RSUs. Each RSU and DER represent a contingent right to receive one share of BWXT common stock. In accordance with the deferral election, the DERs will be delivered to the reporting person proportionately with the RSUs to which they relate.

SEC source: 0001492627-19-000037 · wf-form4_155993967227130.xml · derivative · entry 1

JASKA JAMES M · CIK 0001187147 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 164.61

Underlying: Common Stock · 32.17 shares

Expires not disclosed

F1 · derivative.exercise_price: The dividend equivalent rights accrued on four restricted stock unit grants of which the reporting person has elected to defer receipt of the shares underlying the RSUs. Each RSU and DER represent a contingent right to receive one share of BWXT common stock. In accordance with the deferral election, the DERs will be delivered to the reporting person proportionately with the RSUs to which they relate.

F1 · derivative.exercise_date: The dividend equivalent rights accrued on four restricted stock unit grants of which the reporting person has elected to defer receipt of the shares underlying the RSUs. Each RSU and DER represent a contingent right to receive one share of BWXT common stock. In accordance with the deferral election, the DERs will be delivered to the reporting person proportionately with the RSUs to which they relate.

F1 · derivative.expiration_date: The dividend equivalent rights accrued on four restricted stock unit grants of which the reporting person has elected to defer receipt of the shares underlying the RSUs. Each RSU and DER represent a contingent right to receive one share of BWXT common stock. In accordance with the deferral election, the DERs will be delivered to the reporting person proportionately with the RSUs to which they relate.

SEC source: 0001492627-19-000035 · wf-form4_155993943026244.xml · derivative · entry 1

Burbach Gerhard F · CIK 0001307313 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27.85

Underlying: Common Stock · 13.71 shares

Expires not disclosed

F1 · derivative.exercise_price: The dividend equivalent rights accrued on two restricted stock unit grants of which the reporting person has elected to defer receipt of the shares underlying the RSUs. Each RSU and DER represent a contingent right to receive one share of BWXT common stock. In accordance with the deferral election, the DERs will be delivered to the reporting person proportionately with the RSUs to which they relate.

F1 · derivative.exercise_date: The dividend equivalent rights accrued on two restricted stock unit grants of which the reporting person has elected to defer receipt of the shares underlying the RSUs. Each RSU and DER represent a contingent right to receive one share of BWXT common stock. In accordance with the deferral election, the DERs will be delivered to the reporting person proportionately with the RSUs to which they relate.

F1 · derivative.expiration_date: The dividend equivalent rights accrued on two restricted stock unit grants of which the reporting person has elected to defer receipt of the shares underlying the RSUs. Each RSU and DER represent a contingent right to receive one share of BWXT common stock. In accordance with the deferral election, the DERs will be delivered to the reporting person proportionately with the RSUs to which they relate.

SEC source: 0001492627-19-000034 · wf-form4_155993933469058.xml · derivative · entry 1

Bertsch Jan · CIK 0001477291 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 594.64

Underlying: Common Stock · 63.79 shares

Expires not disclosed

F1 · derivative.exercise_price: The dividend equivalent rights accrued on six restricted stock unit grants of which the reporting person has elected to defer receipt of the shares underlying the RSUs. Each RSU and DER represent a contingent right to receive one share of BWXT common stock. In accordance with the deferral election, the DERs will be delivered to the reporting person proportionately with the RSUs to which they relate.

F1 · derivative.exercise_date: The dividend equivalent rights accrued on six restricted stock unit grants of which the reporting person has elected to defer receipt of the shares underlying the RSUs. Each RSU and DER represent a contingent right to receive one share of BWXT common stock. In accordance with the deferral election, the DERs will be delivered to the reporting person proportionately with the RSUs to which they relate.

F1 · derivative.expiration_date: The dividend equivalent rights accrued on six restricted stock unit grants of which the reporting person has elected to defer receipt of the shares underlying the RSUs. Each RSU and DER represent a contingent right to receive one share of BWXT common stock. In accordance with the deferral election, the DERs will be delivered to the reporting person proportionately with the RSUs to which they relate.

SEC source: 0001492627-19-000033 · wf-form4_155855767925121.xml · nonDerivative · entry 1

Black David S · CIK 0001492627 · Sr. V.P, CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 83,361

F1 · price: The price in Column 4 is a weighted average price. These shares were sold in four transactions at prices ranging from $47.94 to $47.97. The reporting person undertakes to provide to BWX Technologies, Inc., any of its securities holders, or the SEC staff, upon request, information regarding the number of shares sold at each separate price within the foregoing range.

SEC source: 0001492627-19-000032 · wf-form4_155795461383890.xml · derivative · entry 1

PRYOR CHARLES W JR · CIK 0001167322 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,452

Underlying: Common Stock · 2,452 shares

Expires not disclosed

F1 · kind: Grant of restricted stock units pursuant to the Amended and Restated 2010 Long-Term Incentive Plan of BWX Technologies, Inc. Each restricted stock unit represents a contingent right to receive one share of BWXT common stock.

F2 · derivative.exercise_date: RSUs vested immediately. The reporting person elected to defer receipt of shares underlying the RSUs. In accordance with his deferral election, vested shares will be delivered to the reporting person in one lump sum following termination of service on the Board of Directors.

F2 · derivative.expiration_date: RSUs vested immediately. The reporting person elected to defer receipt of shares underlying the RSUs. In accordance with his deferral election, vested shares will be delivered to the reporting person in one lump sum following termination of service on the Board of Directors.

SEC source: 0001492627-19-000030 · wf-form4_155795440494459.xml · derivative · entry 1

NARDELLI ROBERT L · CIK 0001195005 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,452

Underlying: Common Stock · 2,452 shares

Expires not disclosed

F1 · kind: Grant of restricted stock units pursuant to the Amended and Restated 2010 Long-Term Incentive Plan of BWX Technologies, Inc. Each restricted stock unit represents a contingent right to receive one share of BWXT common stock.

F2 · derivative.exercise_date: RSUs vested immediately. The reporting person elected to defer receipt of shares underlying the RSUs. In accordance with his deferral election, vested shares will be delivered to the reporting person in one lump sum following termination of service on the Board of Directors.

F2 · derivative.expiration_date: RSUs vested immediately. The reporting person elected to defer receipt of shares underlying the RSUs. In accordance with his deferral election, vested shares will be delivered to the reporting person in one lump sum following termination of service on the Board of Directors.

SEC source: 0001492627-19-000026 · wf-form4_155795391672457.xml · derivative · entry 1

FEES JOHN A · CIK 0001199539 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,452

Underlying: Common Stock · 2,452 shares

Expires not disclosed

F1 · kind: Grant of restricted stock units pursuant to the Amended and Restated 2010 Long-Term Incentive Plan of BWX Technologies, Inc. Each restricted stock unit represents a contingent right to receive one share of BWXT common stock.

F2 · derivative.exercise_date: RSUs vested immediately. The reporting person elected to defer receipt of shares underlying the RSUs. In accordance with his deferral election, vested shares will be delivered to the reporting person in one lump sum 12 months following termination of service on the Board of Directors.

F2 · derivative.expiration_date: RSUs vested immediately. The reporting person elected to defer receipt of shares underlying the RSUs. In accordance with his deferral election, vested shares will be delivered to the reporting person in one lump sum 12 months following termination of service on the Board of Directors.

SEC source: 0001492627-19-000029 · wf-form4_155795423423095.xml · derivative · entry 1

LeMasters Robb A. · CIK 0001645808 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,452

Underlying: Common Stock · 2,452 shares

Expires not disclosed

F1 · kind: Grant of restricted stock units pursuant to the Amended and Restated 2010 Long-Term Incentive Plan of BWX Technologies, Inc. Each restricted stock unit represents a contingent right to receive one share of BWXT common stock.

F2 · derivative.exercise_date: RSUs vested immediately. The reporting person elected to defer receipt of shares underlying the RSUs. In accordance with his deferral election, vested shares will be delivered to the reporting person in one lump sum following termination of service on the Board of Directors.

F2 · derivative.expiration_date: RSUs vested immediately. The reporting person elected to defer receipt of shares underlying the RSUs. In accordance with his deferral election, vested shares will be delivered to the reporting person in one lump sum following termination of service on the Board of Directors.

SEC source: 0001492627-19-000028 · wf-form4_155795410583831.xml · derivative · entry 1

Krieg Kenneth J · CIK 0001477490 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,452

Underlying: Common Stock · 2,452 shares

Expires not disclosed

F1 · kind: Grant of restricted stock units pursuant to the Amended and Restated 2010 Long-Term Incentive Plan of BWX Technologies, Inc. Each restricted stock unit represents a contingent right to receive one share of BWXT common stock.

F2 · derivative.exercise_date: RSUs vested immediately. The reporting person elected to defer receipt of shares underlying the RSUs. In accordance with his deferral election, vested shares will be delivered to the reporting person in one lump sum following termination of service on the Board of Directors.

F2 · derivative.expiration_date: RSUs vested immediately. The reporting person elected to defer receipt of shares underlying the RSUs. In accordance with his deferral election, vested shares will be delivered to the reporting person in one lump sum following termination of service on the Board of Directors.

SEC source: 0001492627-19-000031 · wf-form4_155795450265026.xml · derivative · entry 3

NILAND BARBARA A · CIK 0001515130 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,452

Underlying: Common Stock · 2,452 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_date: RSUs vested immediately.

F2 · derivative.expiration_date: RSUs vested immediately.

SEC source: 0001492627-19-000031 · wf-form4_155795450265026.xml · derivative · entry 2

NILAND BARBARA A · CIK 0001515130 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,452

Underlying: Common Stock · 2,452 shares

Expires not disclosed

F1 · kind: Grant of restricted stock units pursuant to the Amended and Restated 2010 Long-Term Incentive Plan of BWX Technologies, Inc. Each restricted stock unit represents a contingent right to receive one share of BWXT common stock.

F2 · derivative.exercise_date: RSUs vested immediately.

F2 · derivative.expiration_date: RSUs vested immediately.

SEC source: 0001492627-19-000031 · wf-form4_155795450265026.xml · nonDerivative · entry 1

NILAND BARBARA A · CIK 0001515130 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,012

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.