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).
1. Name and Address of Reporting Person *
Rustowicz Gregory P

(Last) (First) (Middle)
13320 BALLANTYNE CORPORATE PLACE

(Street)
CHARLOTTE NC 28277

(City) (State) (Zip)
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)
Executive VP Finance, CFO
3. Date of Earliest Transaction (Month/Day/Year)
07/08/2026
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               91,874.71 D  
Common Stock 07/08/2026   F   733 D $ 12.92 91,141.71 (1) D  
Common Stock 07/08/2026   F   3,928 D $ 12.92 87,213.71 (2) D  
Common Stock 07/08/2026   A   6,911 A $ 0 94,124.71 (3) D  
Common Stock 07/08/2026   A   15,072 A $ 0 109,196.71 (4) 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
Non-Qualified Stock Options (Right to Buy) $ 35.16             05/20/2020 01/01/2027 (5) Common Stock 13,422   13,422 D  
Non-Qualified Stock Options (Right to Buy) $ 24.33             05/22/2018 01/01/2027 (5) Common Stock 19,500   19,500 D  
Non-Qualified Stock Options (Right to Buy) $ 38.7             05/22/2019 01/01/2027 (5) Common Stock 11,897   11,897 D  
Non-Qualified Stock Options (Right to Buy) $ 25.52             05/18/2021 01/01/2027 (5) Common Stock 20,667   20,667 D  
Non-Qualified Stock Options (Right to Buy) $ 54.26             05/17/2022 01/01/2027 (5) Common Stock 16,096   16,096 D  
Non-Qualified Stock Options (Right to Buy) $ 45.34             05/20/2025 01/01/2027 (5) Common Stock 12,402 (6)   12,402 D  
Non-Qualified Stock Options (Right to Buy) $ 17.59             05/19/2026 01/01/2027 (5) Common Stock 27,843 (7)   27,843 D  
Non-Qualified Stock Options (Right to Buy) $ 36.16             05/22/2024 01/01/2027 (5) Common Stock 21,236   21,236 D  
Non-Qualified Stock Options (Right to Buy) $ 33.12             05/16/2023 01/01/2027 (5) Common Stock 23,990   23,990 D  
Explanation of Responses:
1. The reported transaction reflects the accelerated vesting of previously granted restricted stock units upon the reporting person's separation from service in connection with the Company's change in control. Pursuant to the terms of the applicable award agreement, 1,685.825 unvested restricted stock units became fully vested following the qualifying termination of the reporting person's employment occurring in connection with the change in control, of which 733 were traded to satisfy tax withholding obligations.
2. The reported transaction reflects the accelerated vesting of previously granted restricted stock units upon the reporting person's separation from service in connection with the Company's change in control. Pursuant to the terms of the applicable award agreement, 9,040.092 unvested restricted stock units became fully vested following the qualifying termination of the reporting person's employment occurring in connection with the change in control, of which 3,928 were traded to satisfy tax withholding obligations.
3. The reported transaction reflects the accelerated vesting of previously granted performance stock units upon the reporting person's qualifying termination of employment in connection with the Company's change in control. Pursuant to the terms of the applicable award agreement, performance was deemed achieved at target level and the award of 12,220.000 performance shares became vested upon such termination, of which 5,309 were traded to satisfy tax withholding obligations.
4. The reported transaction reflects the accelerated vesting of previously granted performance stock units upon the reporting person's qualifying termination of employment in connection with the Company's change in control. Pursuant to the terms of the applicable award agreement, performance was deemed achieved at target level and the award of 26,648.000 performance shares became vested upon such termination, of which 11,576 were traded to satisfy tax withholding obligations.
5. Following the qualifying termination of the reporting person's employment occurring in connection with the Company's change in control, pursuant to the terms of the applicable agreement, the expiration date of the reporting person's stock options became 01/01/2027.
6. The reported transaction reflects the accelerated vesting of previously granted stock options upon the reporting person's separation from service in connection with the Company's change in control. Pursuant to the terms of the applicable award agreement, the unvested portion of the option (4,134 shares) became fully vested and exercisable following the qualifying termination of the reporting person's employment occurring in connection with the change in control.
7. The reported transaction reflects the accelerated vesting of previously granted stock options upon the reporting person's separation from service in connection with the Company's change in control. Pursuant to the terms of the applicable award agreement, the unvested portion of the option (18,562 shares) became fully vested and exercisable following the qualifying termination of the reporting person's employment occurring in connection with the change in control.
Gregory P. Rustowicz 07/10/2026
** Signature of Reporting Person Date
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