BWX Technologies (NYSE: BWXT) exec exercises 2,302 options

Rhea-AI Filing Summary

BWX Technologies, Inc. executive John R. MacQuarrie reported option-related transactions in company stock. He exercised an employee stock option for 2,302 shares on March 2, 2026, acquiring the same number of common shares at $61.70 per share. To cover tax obligations associated with this exercise, 1,096 common shares were disposed of through a tax-withholding transaction at $216.47 per share. Following these transactions, MacQuarrie directly owned 22,638 shares of BWX Technologies common stock. The underlying stock options vest in three equal annual installments beginning February 27, 2024 and expire on February 27, 2033.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

MacQuarrie John R.

(Last) (First) (Middle)

800 MAIN STREET

4TH FLOOR

(Street)

LYNCHBURG VA 24504

(City) (State) (Zip)

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)
	Pres., Commercial Operations

3. Date of Earliest Transaction (Month/Day/Year)
03/02/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

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. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction 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	03/02/2026		M		2,302(1)	A	$61.7	23,734	D
Common Stock	03/02/2026		F		1,096	D	$216.47	22,638	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction 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 (Month/Day/Year)		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: 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
Employee Stock Option (right to buy)	$61.7	03/02/2026		M			2,302	(1)	(1)	Common Stock	2,302	$0	4,604	D

Explanation of Responses:

1. Stock Options vest in three equal annual installments beginning February 27, 2024. Stock Options expire February 27, 2033.

	/s/ John R. MacQuarrie, by Theresa B. Taylor, attorney-in-fact	03/04/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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FAQ

What insider transactions did BWXT executive John R. MacQuarrie report?

John R. MacQuarrie exercised options for 2,302 BWXT shares and received the same number of common shares. He also disposed of 1,096 shares to satisfy tax obligations linked to the option exercise, leaving him with 22,638 directly owned shares after these transactions.

How many BWXT shares does John R. MacQuarrie own after this Form 4 filing?

After the reported transactions, John R. MacQuarrie directly owns 22,638 BWXT common shares. This reflects an option exercise for 2,302 shares and a tax-withholding disposition of 1,096 shares, as disclosed in the Form 4 insider trading report filed for March 2, 2026.

What was the nature of John R. MacQuarrie’s BWXT stock option exercise?

MacQuarrie exercised an employee stock option for 2,302 BWXT shares at a per-share exercise price of $0.00. This derivative exercise converted into 2,302 shares of common stock at $61.70 per share, as categorized by code M for derivative exercise/conversion.

Why were 1,096 BWXT shares disposed of in John R. MacQuarrie’s Form 4?

The 1,096 BWXT shares were disposed of under transaction code F, which represents payment of tax liabilities or exercise price by delivering securities. This tax-withholding disposition occurred at $216.47 per share in connection with MacQuarrie’s stock option exercise on March 2, 2026.

How do John R. MacQuarrie’s BWXT stock options vest and when do they expire?

The BWXT stock options referenced in the filing vest in three equal annual installments starting February 27, 2024. According to the footnote, these options have an expiration date of February 27, 2033, defining the period during which they can be exercised.

What do the M and F transaction codes mean in the BWXT Form 4 filing?

Code M in the BWXT Form 4 denotes an exercise or conversion of a derivative security, such as a stock option. Code F indicates a disposition of shares to pay tax liabilities or exercise costs by delivering securities, rather than an open-market sale transaction.