Sec Form 4 Filing - Swann John William III @ SPX Technologies, Inc. - 2024-03-20

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 Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person Swann John William III 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 (Last) (First) (Middle) C/O SPX TECHNOLOGIES, INC., 6325 ARDREY KELL ROAD, SUITE 400 3. Date of Earliest Transaction (MM/DD/YY) 03/20/2024 (Street) CHARLOTTE, NC28277 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 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 03/20/2024 M 12,361 A $ 32.69 101,653 ( 1 ) D Common Stock 03/20/2024 M 13,556 A $ 36.51 115,209 ( 1 ) D Common Stock 03/20/2024 S( 2 ) 21,307 D $ 117.41 93,902 ( 1 ) D Common Stock 03/20/2024 S( 3 ) 11,018 D $ 118 82,884 ( 1 ) D Common Stock 4,109 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 (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number o f Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (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 Employee stock option to purchase common stock $ 32.69 03/20/2024 M 12,361 02/22/2021( 4 ) 02/22/2028 Common Stock 12,361 $ 0 0 D Employee stock option to purchase common stock $ 36.51 03/20/2024 M 13,556 02/21/2022( 5 ) 02/21/2029 Common Stock 13,556 $ 0 0 D Employee stock option to purchase common stock $ 50.09 02/20/2023( 6 ) 02/20/2030 Common Stock 10,552 10,552 D Employee stock option to purchase common stock $ 58.34 03/01/2024( 7 ) 03/01/2031 Common Stock 8,101 8,101 D Employee stock option to purchase common stock $ 48.97 03/01/2025( 8 ) 03/01/2032 Common Stock 8,641 8,641 D Employee stock option to purchase common stock $ 71.93 03/01/2026( 9 ) 03/01/2033 Common Stock 5,948 5,948 D Employee stock option to purchase common stock $ 116.4 02/28/2025( 10 ) 02/28/2034 Common Stock 4,215 4,215 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Swann John William III C/O SPX TECHNOLOGIES, INC. 6325 ARDREY KELL ROAD, SUITE 400 CHARLOTTE, NC28277 PRES., DETECTION & MEASUREMENT Signatures /s/ John Nurkin, Attorney in Fact for John William Swann, III 03/22/2024 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Includes unvested restricted stock units. ( 2 )The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $116.91 to $117.91, inclusive. The reporting person undertakes to provide to SPX Technologies, Inc., any security holder of SPX Technologies, Inc., or the staff of the Securities Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote. ( 3 )The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $117.92 to $118.18, inclusive. The reporting person undertakes to provide to SPX Technologies, Inc., any security holder of SPX Technologies, Inc., or the staff of the Securities Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote. ( 4 )Vests in three equal installments beginning on February 22, 2019. ( 5 )Vests in three equal installments beginning on February 21, 2020. ( 6 )Vests in three equal installments beginning on February 20, 2021. ( 7 )Vests in three equal installments beginning on March 1, 2022. ( 8 )Vests in three equal installments beginning on March 1, 2023. ( 9 )Vests in three equal installments beginning on March 1, 2024. ( 10 )Vests in three equal installments beginning on February 28, 2025.

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).

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