[Form 4] Columbus McKinnon Corp/NY Insider Trading Activity

Rhea-AI Filing Summary

Adrienne Williams, Sr. Vice President & CHRO of Columbus McKinnon Corp (CMCO), reported equity changes on Form 4. The filing shows an acquisition on 08/18/2025 of 49.1158 additional restricted stock units attributable to dividend reinvestment at no cash price. After the transaction, Ms. Williams beneficially owns 18,333.7124 shares (including restricted stock subject to forfeiture). The filing discloses a staged vesting schedule for 10,266.7124 restricted shares: 1,350.7222 shares vest fully on 05/22/2026; 1,723.4344 shares vest 50% per year over two years beginning 05/20/2026; and 7,192.5558 shares vest 33.33% per year over three years beginning 05/19/2026.

Positive

• Transparent disclosure of insider acquisition and detailed vesting schedule
• Acquisition via dividend reinvestment indicates alignment with long-term ownership without immediate cash outlay

Negative

• Large portion of holdings are restricted and subject to multi-year vesting, limiting immediate liquidity
• Transaction is compensation-related rather than an open-market purchase, so it is not a clear positive market signal

Insights

Securities Analyst

TL;DR: Insider acquired dividend-reinvested RSUs; holdings and vesting schedule disclosed, limited immediate market impact.

The Form 4 documents a non-cash acquisition of 49.1158 restricted stock units via dividend reinvestment, increasing total beneficial ownership to 18,333.7124 shares. The majority of the reported position consists of restricted shares subject to multi-year vesting schedules, which constrains immediate liquidity and potential selling pressure. This is a routine insider compensation-related filing rather than an open-market purchase or sale, so it is not a clear signal of near-term valuation change.

Corporate Governance Expert

TL;DR: Disclosure is consistent with compensation practices; vesting timelines clarify retention incentives.

The filing clarifies that a portion of the reported ownership is restricted and subject to staggered vesting through 2026 and beyond, indicating retention-focused equity compensation. The disclosure via Form 4 is complete regarding the reported transaction and vesting tranches, supporting transparency of insider holdings and potential future dilution from vested shares converting to free shares.

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
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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^*

Williams Adrienne

(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)
	Sr. Vice President & CHRO

3. Date of Earliest Transaction (Month/Day/Year)
08/18/2025

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	08/18/2025		A		49.1158(1)	A	$0	18,333.7124(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 10,266.7124 shares of restricted stock issued to reporting person subject to forfeiture in whole or part; 1,350.7222 shares become fully vested 5/22/2026; 1,723.4344 shares become fully vested 50% per year for two years beginning 5/20/2026, and 7,192.5558 shares become fully vested 33.33% per year for 3 years beginning 5/19/2026, if reporting person remains an employee of issuer.

Remarks:

	Mary C. O'Connor as POA for Adrienne Williams	08/19/2025
	** 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.
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FAQ

What did Adrienne Williams report on the Form 4 for CMCO?

The Form 4 reports an acquisition of 49.1158 restricted stock units via dividend reinvestment on 08/18/2025, bringing her beneficial ownership to 18,333.7124 shares.

How many restricted shares held by Adrienne Williams are subject to forfeiture or vesting?

10,266.7124 shares are restricted and subject to forfeiture with specified vesting tranches detailed in the filing.

What are the vesting dates and amounts for the restricted shares?

1,350.7222 shares vest on 05/22/2026; 1,723.4344 shares vest 50% per year over two years beginning 05/20/2026; 7,192.5558 shares vest 33.33% per year over three years beginning 05/19/2026.

Was the reported transaction a cash purchase or a non-cash event?

It was a non-cash event: additional restricted stock units attributable to dividend reinvestment were acquired at $0 price.

Who signed the Form 4 and when?

The Form 4 was signed by Mary C. O'Connor as POA for Adrienne Williams on 08/19/2025.