Kimberly Shacklett - Nov 4, 2025 Form 4 Insider Report for MSC INDUSTRIAL DIRECT CO INC (MSM)

Role
SVP, Customer Experience
Signature
/s/ Kimberly Shacklett
Stock symbol
MSM
Transactions as of
Nov 4, 2025
Transactions value $
-$27,532
Form type
4
Date filed
11/6/2025, 09:31 AM
Previous filing
Nov 4, 2025
Next filing
Nov 7, 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Shacklett Kimberly SVP, Customer Experience C/O MSC INDUSTRIAL DIRECT CO., INC., 515 BROADHOLLOW ROAD, MELVILLE /s/ Kimberly Shacklett 2025-11-06 0001923635

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 +416 +2.76% $0.00 15.5K Nov 4, 2025 Direct F1
transaction MSM Class A Common Stock, $0.001 par value Options Exercise $0 +49.6 +0.32% $0.00 15.5K Nov 4, 2025 Direct F2
transaction MSM Class A Common Stock, $0.001 par value Tax liability -$11.5K -134 -0.86% $86.42 15.4K Nov 4, 2025 Direct F3
transaction MSM Class A Common Stock, $0.001 par value Options Exercise $0 +620 +4.03% $0.00 16K Nov 4, 2025 Direct F1
transaction MSM Class A Common Stock, $0.001 par value Options Exercise $0 +26 +0.16% $0.00 16K Nov 4, 2025 Direct F2
transaction MSM Class A Common Stock, $0.001 par value Tax liability -$16K -185 -1.15% $86.42 15.8K Nov 4, 2025 Direct F3

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 -416 -49.94% $0.00 417 Nov 4, 2025 Class A Common Stock, $0.001 par value 416 Direct F1, F4
transaction MSM Dividend Equivalent Units Options Exercise $0 -49.6 -15.66% $0.00 267 Nov 4, 2025 Class A Common Stock, $0.001 par value 49.6 Direct F2
transaction MSM Restricted Stock Units (RSU) Options Exercise $0 -620 -24.97% $0.00 1.86K Nov 4, 2025 Class A Common Stock, $0.001 par value 620 Direct F1, F5
transaction MSM Dividend Equivalent Units Options Exercise $0 -26 -9.73% $0.00 241 Nov 4, 2025 Class A Common Stock, $0.001 par value 26 Direct F2
* 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 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.
F3 Disposition of Class A Common Stock to the Issuer to cover tax withholding obligations arising from the vesting of RSUs and DEUs.
F4 1,665 RSUs were granted on November 4, 2022. 416 RSUs vested on each of November 4, 2023, November 4, 2024 and November 4, 2025. 417 RSUs vest on November 4, 2026, 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.
F5 2,483 RSUs were granted on November 4, 2024. 620 RSUs vested on November 4, 2025. 621 RSUs vest on each of November 4, 2026, November 4, 2027 and November 4, 2028, 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.