Gregory Polli - Oct 17, 2021 Form 4 Insider Report for MSC INDUSTRIAL DIRECT CO INC (MSM)

Role: SVP, PRODUCT MANAGEMENT
Signature: /s/ Gregory Polli
Stock symbol: MSM
Transactions as of: Oct 17, 2021
Transactions value $: -$12,370
Form type: 4
Date filed: 10/19/2021, 03:35 PM
Previous filing: Aug 18, 2021
Next filing: Oct 22, 2021

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	MSM	Class A Common Stock, $0.001 par value	Options Exercise	$0	+350	+3.85%	$0.00	9.44K	Oct 17, 2021	Direct	F1, F2
transaction	MSM	Class A Common Stock, $0.001 par value	Options Exercise	$0	+85.5	+0.91%	$0.00	9.52K	Oct 17, 2021	Direct	F2, F3
transaction	MSM	Class A Common Stock, $0.001 par value	Tax liability	-$12.4K	-147	-1.54%	$84.43	9.38K	Oct 17, 2021	Direct	F2, F4

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	MSM	Restricted Stock Units (RSU)	Options Exercise	$0	-350	-33.3%	$0.00	701	Oct 17, 2021	Class A Common Stock, $0.001 par value	350		Direct	F1, F5
transaction	MSM	Dividend Equivalent Units	Options Exercise	$0	-85.5	-7.12%	$0.00	1.12K	Oct 17, 2021	Class A Common Stock, $0.001 par value	85.5		Direct	F3

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

Explanation of Responses:

Id	Content
F1	Each RSU represents a contingent right to receive one share of Common Stock.
F2	Includes shares acquired under the company's Associate Stock Purchase Plan.
F3	The dividend equivalent units accrued with respect to outstanding awards of restricted stock units (RSUs) and vest at the same time(s) as the underlying RSUs. Each dividend equivalent unit represents a contingent right to receive one share of Common Stock.
F4	Disposition of Class A Common Stock to the Issuer to cover tax withholding obligations arising from the vesting of RSUs and DEUs.
F5	350 of 1,751 RSUs granted on October 17, 2018 vested on October 17, 2019, October 17, 2020, and October 17, 2021. 350 RSUs and 351 RSUs will vest on October 17, 2022 and October 17, 2023, respectively, provided that the Reporting Person remains continuously employed by the Issuer through each applicable vesting date. The vested shares will be delivered to the Reporting Person upon vesting.