BWC Blue Whale Acquisition Corporation I

FORM 4 [ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES	OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response... 0.5
	Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

1. Name and Address of Reporting Person * Kerr Jason S.	2. Issuer Name and Ticker or Trading Symbol BWX Technologies, Inc. [ BWXT ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director                    _____ 10% Owner __X__ Officer (give title below)    _____ Other (specify below) VP & Chief Accounting Officer
(Last)          (First)          (Middle) 800 MAIN STREET, 4TH FLOOR	3. Date of Earliest Transaction (MM/DD/YYYY) 3/1/2022
(Street) LYNCHBURG, VA 24504 (City)        (State)        (Zip)	4. If Amendment, Date Original Filed (MM/DD/YYYY)	6. Individual or Joint/Group Filing (Check Applicable Line) _X _ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security (Instr. 3)	2. Trans. Date	2A. Deemed Execution Date, if any	3. Trans. Code (Instr. 8)		4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	3/1/2022		M		515	A	$0	8120	D
Common Stock	3/1/2022		F		230	D	$54.04	7890	D
Common Stock	3/1/2022		A(1)		3153	A	$0	11043	D
Common Stock	3/1/2022		F		1258	D	$54.04	9785	D
Common Stock								304	I	401(k) Plan (2)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Trans. Date	3A. Deemed Execution Date, if any	4. Trans. Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Restricted Stock Units	$0.0	3/1/2022		M			515	(3)	3/1/2022	Common Stock	515.0	$0	0	D
Restricted Stock Units	$0.0	3/1/2022		M			3153	(1)	(1)	Common Stock	3153.0	$0	0	D

Explanation of Responses:
(1)	Represents performance restricted stock units ("PRSU") awarded on March 1, 2019 for the performance period January 1, 2019 through December 31, 2021 for which performance goals have been achieved and certified on February 18, 2022. Each PRSU represents the right to one share of the issuer's common stock. The PRSUs vested on March 1, 2022.
(2)	Based on the number of units held in the BWXT Thrift Plan and the fair market value of BWXT common stock as of December 31, 2021.
(3)	Restricted stock units vested in three equal annual installments beginning March 1, 2020.

Reporting Owners
Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Kerr Jason S. 800 MAIN STREET 4TH FLOOR LYNCHBURG, VA 24504			VP & Chief Accounting Officer

Signatures
/s/ Jason S. Kerr, by Theresa B. Taylor, attorney-in-fact		3/3/2022
**Signature of Reporting Person		Date

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note:	File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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