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Core & Main ($CNM) Insider Trading & Smart Money Activity

Core & Main, Inc. · Industrial Distribution · Latest filing Aug 25, 2026

Core & Main, Inc. ($CNM) has 10 insider trades, 2 congress trades and 6 13F position changes on file. Insiders filed 10 Form 4 transactions in the last 12 months, none of them open-market purchases or sales.

Insider buyers (12 mo)
0
Insider sellers (12 mo)
0
Net insider $ (12 mo)
$0
Congress trades (12 mo)
2
13F moves on file
6
Analyst ratings on file
0

CNM insider buying and selling by quarter

QuarterInsider buysInsider salesCongress buys / sales13F added / cut
Q1 2026 0 0 0 / 0 0 / 0
Q2 2026 0 0 0 / 1 2 / 4
Q3 2026 0 0 0 / 1 0 / 0
Q4 2026 0 0 0 / 0 0 / 0

Insider buys and sales count open-market trades only (Form 4 codes P and S). Grants, option exercises and tax withholding are left out.

All CNM insider, congress, 13F and analyst activity

DateSourceWhoActionSharesValue / amount ΔOwn1W1M6MFilingStory
Congress April McClain Delaney Sale $100,001 - $250,000 -4.6%-5.6% —
Insider Margaret Newman Buy (Grant or award) 2.80K sh +3.9%-7.2% Read
Insider Kathleen Mazzarella Buy (Grant or award) 2.80K sh +3.9%-7.2% Read
Insider Orvin Kimbrough Buy (Grant or award) 2.80K sh +3.9%-7.2% Read
Insider James Hope Buy (Grant or award) 2.80K sh +3.9%-7.2% Read
Insider Susan Hardwick Buy (Grant or award) 2.80K sh +3.9%-7.2% Read
Insider Dennis Gipson Buy (Grant or award) 2.80K sh +3.9%-7.2% Read
Insider James Castellano Buy (Grant or award) 2.80K sh +3.9%-7.2% Read
Insider Robert Buck Buy (Grant or award) 2.80K sh +3.9%-7.2% Read
Insider Bhavani Amirthalingam Buy (Grant or award) 2.80K sh +3.9%-7.2% Read
Insider Carla HarperSenior VP, Human Resources Sell (Tax withholding) 568 sh $26.84K +1.6%-7.4% —
Congress April McClain Delaney Sale $1,001 - $15,000 -2.2%-7.4% —
13F Select Equity Group, L.P. Reduced -524.17K sh $350.02M +1.1%+1.8% —
13F D1 Capital Partners L.P. Sold out -2.65M sh +1.1%+1.8% Read
13F Royal London Asset Management Added +64.11K sh $277.57M +0.1%+0.1% Read
13F Royal London Asset Management Added +64.11K sh $287.98M +0.1%+0.1% —
13F Pictet Asset Management Holding Reduced -926.76K sh $314.33M -1.1%-3.5% —
13F Pictet Asset Management Holding Reduced -926.76K sh $326.12M -1.1%-3.5% —

1W / 1M / 6M = how CNM moved from the trade or filing date.

Insider trading in CNM: who is buying and selling

InsiderRoleTradesOpen-market netShares heldLast trade
Margaret Newman 1 — Jun 23, 2026
Kathleen Mazzarella 1 — Jun 23, 2026
Orvin Kimbrough 1 — Jun 23, 2026
James Hope 1 — Jun 23, 2026
Susan Hardwick 1 — Jun 23, 2026
Dennis Gipson 1 — Jun 23, 2026
James Castellano 1 — Jun 23, 2026
Robert Buck 1 — Jun 23, 2026
Bhavani Amirthalingam 1 — Jun 23, 2026
Carla Harper Senior VP, Human Resources 1 — Jun 22, 2026

Members of Congress trading CNM

Institutions moving CNM (13F)

Frequently asked questions

What is the latest insider trade in CNM?

Margaret Newman filed a buy (grant or award) of 2.80K sh on Jun 23, 2026.

Which members of Congress traded CNM?

2 disclosed trades by April McClain Delaney. The latest was on Aug 25, 2026.

Which institutions changed their CNM positions?

Recent 13F filers moving the stock include Royal London Asset Management, Pictet Asset Management Holding, Select Equity Group, L.P. and D1 Capital Partners L.P..

Other industrial distribution stocks

All stocks Insider cluster buys Top insider purchases Congress 13F institutions

Data comes from public SEC Form 4 and 13F filings and STOCK Act disclosures. Dates are the trade or filing date reported. This page is for research only and is not investment advice.

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