BWX Technologies, Inc. - Director's Dealing 2017

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: BWX Technologies, Inc. (BWXT)
CIK: 0001486957
Period of Report: 2017-05-26

Reporting Person: Black David S (Sr. V.P, CFO)

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2017-05-26	Common Stock	M	3657	$24.97	Acquired	62333	Direct
2017-05-26	Common Stock	F	2465	$48.59	Disposed	59868	Direct
2017-05-26	Common Stock	M	14646	$23.62	Acquired	74514	Direct
2017-05-26	Common Stock	F	10317	$48.59	Disposed	64197	Direct
2017-05-26	Common Stock	M	5052	$24.45	Acquired	69249	Direct
2017-05-26	Common Stock	F	3735	$48.59	Disposed	65514	Direct

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2017-05-26	Stock Options (right to buy)	$24.97	M	3657	Disposed	2021-03-03	Common Stock (3657.0)	Direct
2017-05-26	Stock Options (right to buy)	$23.62	M	14646	Disposed	2025-03-02	Common Stock (14646.0)	Direct
2017-05-26	Stock Options (right to buy)	$24.45	M	5052	Disposed	2025-07-01	Common Stock (5052.0)	Direct

Security	Shares	Ownership
Common Stock	2775	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 3, 2015.

F3: Stock options vest in three equal annual installments beginning March 2, 2016.

F4: Stock options vest in three equal annual installments beginning July 1, 2016.