PETER M. MCCORMICK - 22 May 2021 Form 4 Insider Report for COLUMBUS MCKINNON CORP (CMCO)

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	CMCO	Common Stock	Tax liability	$20,709	-395	-0.94%	$52.47	41,671	22 May 2021	Direct	F1
transaction	CMCO	Common Stock	Tax liability	$12,869	-245	-0.59%	$52.47	41,426	22 May 2021	Direct	F2
transaction	CMCO	Common Stock	Tax liability	$75,872	-1,446	-3.5%	$52.47	39,980	22 May 2021	Direct	F3, F4

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Id	Content
F1	1,234.6867 restricted stock units became fully vested on 5/22/2021, of which 394 were traded and .6867 were converted to cash to satisfy tax withholding obligations.
F2	767.2672 restricted stock units became fully vested on 5/22/2021, of which 245 were traded and .2672 were converted to cash to satisfy tax withholding obligations.
F3	4,521 performance stock units became fully vested on 5/22/2021, of which 1,446 were traded to satisfy tax withholding obligations.
F4	Includes 8,588.5058 shares of restricted stock issued to reporting person subject to forfeiture in whole or part; 768.2861 shares become fully vested 5/22/2022; 1,672.7944 shares become fully vested 50% per year for two years beginning 5/20/2022; 2,847.0287 shares become fully vested 1/20/2022; and 3,300.3966 shares become fully vested 50% per year for two years beginning 5/18/2022, if reporting person remains an employee of issuer.