Sec Form 4 Filing - Brant Bert A. @ COLUMBUS MCKINNON CORP - 2025-02-28

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 Brant Bert A. 2. Issuer Name and Ticker or Trading Symbol COLUMBUS MCKINNON CORP [ CMCO] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) Sr VP Global Manufacturing Op (Last) (First) (Middle) 13320 BALLANTYNE CORPORATE PLACE 3. Date of Earliest Transaction (MM/DD/YY) 02/28/2025 (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 02/28/2025 F 3,850.8478 ( 1 ) D $ 17.47 28,241.9926 D Common Stock 02/28/2025 J 268.9926 ( 2 ) D $ 0 27,973 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 (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 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 (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 Non-Qualified Stock Option (Right to Buy) $ 38.7 05/22/2019 06/02/2025( 3 ) Common Stock 7,743 7,743 D Non-Qualified Stock Options (Right to Buy) $ 35.16 05/20/2020 06/02/2025( 4 ) Common Stock 8,736 8,736 D Non-Qualified Stock Options (Right to Buy) $ 25.52 05/18/2021 06/02/2025( 5 ) Common Stock 13,451 13,451 D Non-Qualified Stock Options (Right to Buy) $ 54.26 05/17/2022 02/28/2030( 6 ) Common Stock 11,225 11,225 D Non-Qualified Stock Options (Right to Buy) $ 33.12 05/16/2023 02/28/2030( 7 ) Common Stock 16,415 16,415 ( 8 ) D Non-Qualified Stock Options (Right to Buy) $ 36.16 05/22/2024 02/28/2030( 9 ) Common Stock 13,887 13,887 ( 10 ) D Non-Qualified Stock Option (Right to Buy) $ 45.34 02/28/2025 J 672 ( 11 ) 05/20/2025 02/28/2030( 12 ) Common Stock 8,064 $ 0 7,392 ( 13 ) D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Brant Bert A. 13320 BALLANTYNE CORPORATE PLACE CHARLOTTE, NC28277 Sr VP Global Manufacturing Op Signatures Bert A. Brant 03/04/2025 Signature of Reporting Person Date

Explanation of Responses:

( 1 )8,099.8478 restricted stock units became fully vested upon reporting person's retirement on February 28, 2025, of which 3850 were traded and .8478 were sold to satisfy tax withholding obligations. ( 2 )Restricted stock units forfeited due to reporting person's retirement. ( 3 )Previously reported as 5/22/2028 and on reporting retirement on February 28, 2025, the expiration date became 6/2/2025. ( 4 )Previously reported as 5/20/2029 and on reporting retirement on February 28, 2025, the expiration date became 6/2/2025. ( 5 )Previously reported as 5/18/2030 and on reporting retirement on February 28, 2025, the expiration date became 6/2/2025. ( 6 )Previously reported as 5/17/2031 and on reporting retirement on February 28, 2025, the expiration date became 2/28/2030. ( 7 )Previously reported as 5/16/2032 and on reporting retirement on February 28, 2025, the expiration date became 2/28/2030. ( 8 )Vest 33.33% per year beginning 5/16/2023. ( 9 )Previously reported as 5/22/2033 and on reporting retirement on February 28, 2025, the expiration date became 2/28/2030. ( 10 )Vest 33.33% per year beginning 5/22/2024. ( 11 )Non-qualified options forfeited due to reporting person's retirement on February 28, 2025. ( 12 )Previously reported as 5/20/2034 and on reporting retirement on February 28, 2025, the expiration date became 2/28/2030. ( 13 )Vest 33.33% per year beginning 5/20/2025.

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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