SPX Technologies (SPXC) executive disposes shares to cover RSU tax withholding

Rhea-AI Filing Summary

SPX Technologies, Inc. executive John William Swann III, President of Detection & Measurement, reported two tax-related share dispositions in company stock. On March 1, 2026, he delivered 356 shares of common stock at $226.94 per share, and on February 28, 2026, he delivered 264 shares at the same price. According to footnotes, these shares were delivered back to the company to cover withholding taxes due upon the vesting of previously granted restricted stock units. After these transactions, he directly held 59,402 common shares, with additional indirect holdings in a 401(k) plan and several employee stock option positions.

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^*

Swann John William III

(Last) (First) (Middle)

C/O SPX TECHNOLOGIES, INC.

6325 ARDREY KELL ROAD, SUITE 400

(Street)

CHARLOTTE NC 28277

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
SPX Technologies, Inc. [ SPXC ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	PRES., DETECTION & MEASUREMENT

3. Date of Earliest Transaction (Month/Day/Year)
02/28/2026

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	02/28/2026		F(1)		264	D	$226.94	59,758(2)	D
Common Stock	03/01/2026		F(1)		356	D	$226.94	59,402(2)	D
Common Stock								4,246	I	401 (k) Plan

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 to purchase common stock	$58.34							03/01/2024(3)	03/01/2031	Common Stock	8,101		8,101	D
Employee stock option to purchase common stock	$71.93							03/01/2026(4)	03/01/2033	Common Stock	5,948		5,948	D
Employee stock option to purchase common stock	$116.4							02/28/2027(5)	02/28/2034	Common Stock	4,215		4,215	D
Employee stock option to purchase common stock	$138.6							03/03/2028(6)	03/03/2035	Common Stock	3,210		3,210	D

Explanation of Responses:

1. Shares delivered to the issuer for the payment of withholding taxes due upon the vesting of restricted stock units previously granted under the SPX 2019 Stock Compensation Plan.

2. Includes unvested restricted stock units.

3. Vests in three equal installments beginning on March 1, 2022.

4. Vests in three equal installments beginning on March 1, 2024.

5. Vests in three equal installments beginning on February 28, 2025.

6. Vests in three equal installments beginning on March 3, 2026.

	/s/ Daniel Whitman, Attorney in Fact for John William Swann, III	03/03/2026
	** 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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FAQ

What insider activity did SPX Technologies (SPXC) report for John William Swann III?

SPX Technologies reported that executive John William Swann III disposed of shares to cover tax withholding on vested restricted stock units. He delivered 356 shares on March 1, 2026, and 264 shares on February 28, 2026, both at $226.94 per share.

Were the SPX Technologies (SPXC) insider transactions open-market sales?

The transactions were not open-market sales but tax-withholding dispositions. Shares were delivered back to SPX Technologies to satisfy withholding taxes due on vesting restricted stock units, as described in the filing footnotes under the company’s 2019 Stock Compensation Plan.

How many SPX Technologies (SPXC) shares does John William Swann III hold after the Form 4?

After the reported tax-withholding transactions, John William Swann III directly held 59,402 shares of SPX Technologies common stock. The filing also notes additional indirect holdings in a 401(k) plan and multiple employee stock option positions with specified remaining share amounts.

What price was used for the SPX Technologies (SPXC) tax-withholding share deliveries?

Both tax-withholding dispositions used a price of $226.94 per SPX Technologies share. This price applied to the 356 shares delivered on March 1, 2026, and the 264 shares delivered on February 28, 2026, to cover withholding taxes on vested restricted stock units.

What compensation plan is referenced in the SPX Technologies (SPXC) Form 4 footnotes?

The Form 4 footnotes reference the SPX 2019 Stock Compensation Plan. The shares delivered in these transactions covered withholding taxes on the vesting of restricted stock units previously granted under this plan, with some awards vesting in three equal annual installments beginning on specified dates.

Do the SPX Technologies (SPXC) footnotes mention future vesting schedules for awards?

Yes. Footnotes describe several awards that vest in three equal installments beginning on March 1, 2022, March 1, 2024, February 28, 2025, and March 3, 2026. These schedules apply to restricted stock units or options granted under SPX Technologies’ equity compensation programs.