Columbus McKinnon CFO reports small RSU-based share increase

Rhea-AI Filing Summary

Columbus McKinnon (CMCO) executive Gregory Rustowicz reported a small increase in his equity holdings through dividend reinvestment. On 11/17/2025, he acquired 91.6814 shares of common stock at a price of $0, described as additional restricted stock units attributable to dividend reinvestment. Following this transaction, he beneficially owns 95,599.4405 shares of common stock in direct form.

The total includes 19,510.4405 shares of restricted stock that are subject to forfeiture and vest over time if he remains an employee. Of these, 2,714.0242 shares vest fully on 5/22/2026, 3,344.6028 shares vest 50% per year for two years beginning 5/20/2026, and 13,451.8135 shares vest 33.33% per year for three years beginning 5/19/2026.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Rustowicz Gregory P

Role Executive VP Finance, CFO

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	91.681	$0.00	--

Holdings After Transaction: Common Stock — 95,599.441 shares (Direct)

Footnotes (1)

1. Represents additional restricted stock units attributable to dividend reinvestment. Includes 19,510.4405 shares of restricted stock issued to reporting person subject to forfeiture in whole or part; 2,714.0242 shares become fully vested 5/22/2026; 3,344.6028 shares become fully vested 50% per year for two years beginning 5/20/2026; and 13,451.8135 shares become fully vested 33.33% per year for 3 years beginning 5/19/2026, if reporting person remains an employee of issuer.

Form 4 Insider Transactions: What Each Field Means →

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

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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^*

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)
11/17/2025

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	11/17/2025		A		91.6814(1)	A	$0	95,599.4405(2)	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

Explanation of Responses:

1. Represents additional restricted stock units attributable to dividend reinvestment.

2. Includes 19,510.4405 shares of restricted stock issued to reporting person subject to forfeiture in whole or part; 2,714.0242 shares become fully vested 5/22/2026; 3,344.6028 shares become fully vested 50% per year for two years beginning 5/20/2026; and 13,451.8135 shares become fully vested 33.33% per year for 3 years beginning 5/19/2026, if reporting person remains an employee of issuer.

Remarks:

	Gregory Rustowicz	11/18/2025
	** 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.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.