BWX Technologies, Inc. - Director's Dealing 2016

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: BWX Technologies, Inc. (BWXT)
CIK: 0001486957
Period of Report: 2016-05-25

Reporting Person: Black David S (SVP, CFO and Treasurer)

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2016-05-25	Common Stock	M	11619	$20.47	Acquired	61087	Direct
2016-05-25	Common Stock	F	8618	$34.85	Disposed	52469	Direct
2016-05-25	Common Stock	M	7314	$24.97	Acquired	59783	Direct
2016-05-25	Common Stock	F	6231	$34.85	Disposed	53552	Direct
2016-05-25	Common Stock	M	7155	$20.31	Acquired	60707	Direct
2016-05-25	Common Stock	F	5160	$34.85	Disposed	55547	Direct
2016-05-25	Common Stock	M	7704	$26.39	Acquired	63251	Direct
2016-05-25	Common Stock	F	6454	$34.85	Disposed	56797	Direct

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2016-05-25	Stock Option (right to buy)	$20.47	M	11619	Disposed	2020-03-04	Common Stock (11619)	Direct
2016-05-25	Stock Option (right to buy)	$24.97	M	7314	Disposed	2021-03-03	Common Stock (7314)	Direct
2016-05-25	Stock Option (right to buy)	$20.31	M	7155	Disposed	2019-03-05	Common Stock (7155)	Direct
2016-05-25	Stock Option (right to buy)	$26.39	M	7704	Disposed	2018-03-04	Common Stock (7704)	Direct

Security	Shares	Ownership
Common Stock	2764	Indirect

F1: Based on number of units held in the BWXT Thrift Plan and the fair market value of BWXT common stock as of May 26, 2016.

F2: Stock options vested in three equal annual installments beginning March 4, 2014.

F3: Two-thirds of the stock options are vested. The remaining one-third of the stock options will vest March 3, 2017.

F4: Stock options vested in three equal annual installments beginning March 5, 2013.

F5: Stock options vested in three equal annual installments beginning March 4, 2012.