Core & Main, Inc.
| Security | CNM / Core & Main, Inc. |
| Insider | Mark R Witkowski |
This page shows the track record and history of Witkowski Mark R
insider trades in Core & Main, Inc.. The SEC defines Insiders as officers, directors, or significant investors (greater than 10% ownership) in a company.
It is illegal for insiders to make trades in their companies based on material, non-public information ("MNPI"). This does not mean
it is illegal for them to make any
trades in their own companies. However, they must report all trades to the SEC via a Form 4.
Insider Purchases - Short Term Profit Analysis
In this section, we analyze the profitability of every unplanned, open-market insider purchase made by Mark R Witkowski in CNM / Core & Main, Inc.. This analysis helps to understand if the insider consistently generates abnormal returns, and is worth following. This analysis is for one-year following each trade, and the results are theoretical.
The following table shows the most recent open market purchases that were not part of an automatic trading plan.
| Trade Date | Reported Shares |
Reported Price |
Adjusted Shares |
Adjusted Price |
Cost Basis | Days to Max |
Price at Max |
Max Profit ($) |
Max Return (%) |
|---|---|---|---|---|---|---|---|
| There are no known unplanned open-market trades for this insider |
Adjusted Price is the split-adjusted price. Adjusted Shares is the split-adjusted shares.
Insider Sales - Short Term Loss Analysis
In this section, we analyze the short-term loss avoidance of every unplanned, open-market insider sale made by Mark R Witkowski in CNM / Core & Main, Inc.. A consistent pattern of loss avoidance may suggest that future sale transactions may predict declines in price. This analysis is for one-year following each trade, and the results are theoretical.
The following table shows the most recent open market purchases that were not part of an automatic trading plan.
| Trade Date | Reported Shares |
Reported Price |
Adjusted Shares |
Adjusted Price |
Cost Basis | Days to Min |
Price at Min |
Max Loss Avoided ($) |
Max Loss Avoided (%) |
|---|---|---|---|---|---|---|---|
| There are no known unplanned open-market trades for this insider |
Adjusted Price is the split-adjusted price. Adjusted Shares is the split-adjusted shares.
Insider Transaction History
| File Date |
Trade Date |
Form | Insider | Ticker | Security Title | Code | Direct | Exercise Price |
Unit Price |
Units Changed |
Value Changed (1K) |
Remaining Options |
Remaining Shares |
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025-08-20 | 2025-08-18 | 4 | Witkowski Mark R | CNM | Class A Common Stock | D | 64.0821 | -100,000 | -6,408 | 35,847 | ||||
| 2025-08-20 | 2025-08-18 | 4 | Witkowski Mark R | CNM | Class A Common Stock | D | 100,000 | 135,847 | ||||||
| 2025-07-21 | 2025-07-17 | 4 | Witkowski Mark R | CNM | Class A Common Stock | D | 61.6298 | -27,669 | -1,705 | 35,847 | ||||
| 2025-07-21 | 2025-07-17 | 4 | Witkowski Mark R | CNM | Class A Common Stock | D | 61.1239 | -72,331 | -4,421 | 63,516 | ||||
| 2025-07-21 | 2025-07-17 | 4 | Witkowski Mark R | CNM | Class A Common Stock | D | 100,000 | 135,847 | ||||||
| 2025-04-02 | 2025-03-31 | 4 | Witkowski Mark R | CNM | Class A Common Stock | D | 10,092 | 35,847 | ||||||
| 2025-03-17 | 2025-03-13 | 4 | Witkowski Mark R | CNM | Class A Common Stock | D | 7,296 | 25,755 | ||||||
| 2025-03-13 | 2025-03-11 | 4 | Witkowski Mark R | CNM | Class A Common Stock | D | 46.5500 | -925 | -43 | 18,459 | ||||
| 2025-03-11 | 2025-03-10 | 4 | Witkowski Mark R | CNM | Class A Common Stock | D | 46.6900 | -996 | -47 | 19,384 | ||||
| 2025-03-11 | 2025-03-07 | 4 | Witkowski Mark R | CNM | Class A Common Stock | D | 47.8700 | -536 | -26 | 20,380 | ||||
| 2025-01-17 | 2024-03-11 | 4 | Witkowski Mark R | CNM | Class A Common Stock | D | 48.2900 | -929 | -45 | 20,916 | ||||
| 2025-01-17 | 2024-03-11 | 4 | Witkowski Mark R | CNM | Class A Common Stock | D | 48.2900 | -999 | -48 | 21,845 | ||||
| 2025-01-17 | 2023-03-13 | 4 | Witkowski Mark R | CNM | Class A Common Stock | D | 21.4500 | -1,054 | -23 | 22,844 | ||||
| 2024-05-10 | 2024-05-08 | 4 | Witkowski Mark R | CNM | Class A Common Stock | D | 59.5001 | -50,000 | -2,975 | 23,898 | ||||
| 2024-05-10 | 2024-05-08 | 4 | Witkowski Mark R | CNM | Class A Common Stock | D | 50,000 | 73,898 | ||||||
| 2024-04-10 | 2024-04-08 | 4 | Witkowski Mark R | CNM | Class A Common Stock | D | 58.5146 | -50,000 | -2,926 | 23,898 | ||||
| 2024-04-10 | 2024-04-08 | 4 | Witkowski Mark R | CNM | Class A Common Stock | D | 50,000 | 73,898 | ||||||
| 2024-03-11 | 2024-03-07 | 4 | Witkowski Mark R | CNM | Class A Common Stock | D | 4,677 | 23,898 | ||||||
| 2023-11-17 | 2023-11-15 | 4 | Witkowski Mark R | CNM | Class A Common Stock | D | 34.0120 | -40,000 | -1,360 | 19,221 | ||||
| 2023-11-17 | 2023-11-15 | 4 | Witkowski Mark R | CNM | Class A Common Stock | D | 40,000 | 59,221 | ||||||
| 2023-11-13 | 2023-11-09 | 4 | Witkowski Mark R | CNM | Class A Common Stock | D | 32.1011 | -20,000 | -642 | 19,221 | ||||
| 2023-11-13 | 2023-11-09 | 4 | Witkowski Mark R | CNM | Class A Common Stock | D | 20,000 | 39,221 | ||||||
| 2023-10-06 | 2023-10-04 | 4 | Witkowski Mark R | CNM | Class A Common Stock | D | 30.0165 | -20,000 | -600 | 19,221 | ||||
| 2023-10-06 | 2023-10-04 | 4 | Witkowski Mark R | CNM | Class A Common Stock | D | 20,000 | 39,221 | ||||||
| 2023-09-27 | 2023-09-25 | 4 | Witkowski Mark R | CNM | Class A Common Stock | D | 28.4435 | -40,000 | -1,138 | 19,221 | ||||
| 2023-09-27 | 2023-09-25 | 4 | Witkowski Mark R | CNM | Class A Common Stock | D | 39,397 | 59,221 | ||||||
| 2023-09-27 | 2023-09-25 | 4 | Witkowski Mark R | CNM | Class A Common Stock | D | 603 | 19,824 | ||||||
| 2023-09-27 | 2023-09-25 | 4 | Witkowski Mark R By LLC | CNM | Class A Common Stock | I | -603 | 0 | ||||||
| 2023-03-14 | 2023-03-10 | 4 | Witkowski Mark R | CNM | Class A Common Stock | D | 9,669 | 19,221 | ||||||
| 2022-03-15 | 2022-03-11 | 4 | Witkowski Mark R | CNM | Options (Rights to Buy) | D | 20.81 | 69,714 | 69,714 | |||||
| 2022-03-15 | 2022-03-11 | 4 | Witkowski Mark R | CNM | Class A Common Stock | D | 9,552 | 9,552 | ||||||
| 2021-07-23 | 3 | Witkowski Mark R By LLC | CNM | Class A Common Stock | I | 603 |
P
Åbent marked eller privat køb af ikke-afledte eller afledte værdipapirer
S
Åbent marked eller privat salg af ikke-afledte eller afledte værdipapirer
A
Tildeling, tildeling eller anden erhvervelse af værdipapirer fra virksomheden (såsom en option)
C
Konvertering af derivat
D
Salg eller overførsel af værdipapirer tilbage til virksomheden
F
Betaling af udnyttelseskurs eller skatteforpligtelse ved brug af en del af værdipapirer modtaget fra selskabet
G
Gave af værdipapirer af eller til insideren
K
Aktieswaps og lignende sikringstransaktioner
M
Udnyttelse eller konvertering af afledt værdipapir modtaget fra virksomheden (såsom en option)
V
En transaktion rapporteret frivilligt på formular 4
J
Andet (ledsaget af en fodnote, der beskriver transaktionen)
