Sec Form 3 Filing - Adams Jon @ COLUMBUS MCKINNON CORP - 2021-07-19

FORM 3 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 Adams Jon 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) Interim VP Crane Solutions (Last) (First) (Middle) 205 CROSSPOINT PARKWAY 3. Date of Earliest Transaction (MM/DD/YY) 07/19/2021 (Street) GETZVILLE, NY14068 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 9,270.6493 ( 1 ) 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 Options (Right to Buy) $ 24.94 05/18/2016 05/18/2025 Common Stock 2,717 ( 2 ) D Non-Qualified Stock Options (Right to Buy) $ 15.16 05/23/2017 05/23/2026 Common Stock 4,878 ( 2 ) D Non-Qualified Stock Options (Right to Buy) $ 24.33 05/22/2018 05/22/2027 Common Stock 4,606 ( 2 ) D Non-Qualified Stock Options (Right to Buy) $ 38.7 05/22/2019 05/22/2028 Common Stock 2,758 ( 3 ) D Non-Qualified Stock Options (Right to Buy) $ 35.16 05/20/2020 05/20/2029 Common Stock 3,494 ( 4 ) D Non-Qualified Stock Options (Right to Buy) $ 25.52 05/18/2021 05/18/2030 Common Stock 5,381 ( 5 ) D Non-Qualified Stock Options (Right to Buy) $ 54.26 05/17/2022 05/17/2031 Common Stock 2,551 ( 6 ) D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Adams Jon 205 CROSSPOINT PARKWAY GETZVILLE, NY14068 Interim VP Crane Solutions Signatures Mary C. O'Connor as POA for Jon Adams 07/28/2021 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Includes 5,886.6493 shares of restricted stock issued to reporting person subject to forfeiture in whole or part 261.8694 shares become fully vested on 5/22/2022; 1,014.8698 shares become fully vested 50% per year for two years beginning 1/2/2022; 581.5774 shares become fully vested 50% per year for two years beginning 5/20/2022; 1,009.9427 shares become fully vested 1/20/2022; 1,146.39 shares become fully vested 50% per year for two years beginning 5/18/2022; 872 shares become fully vested 33.33% per year for three years beginning 5/17/2022; and 1,000 shares become fully vested 33.33% per year for three years beginning 7/1/2022, if reporting person remains an employee of issuer. ( 2 )Fully exercisable, subject to IRS limitations. ( 3 )Exercisable 25% per year for four years beginning 5/22/2019, if reporting person remains an employee of issuer. ( 4 )Exercisable 25% per year for four years beginning 5/20/2020, if reporting person remains an employee of issuer. ( 5 )Exercisable 33.33% per year for three years beginning 5/18/2021, if reporting person remains an employee of issuer. ( 6 )Exercisable 33.33% per year for three years beginning 5/17/2022, if reporting person remains an employee of issuer.

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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