Skip to contentWitkowski Mark R — Core & Main, Inc. insider: 64 transactions · InsiderLensInsider trading activity of Witkowski Mark R
- Transactions on record
- 64
- since Mar 15, 2022
- Open-market buys
- 0
- Open-market sells
- 9
- $22.2M
- Companies traded
- 1
- last filing Mar 13, 2026
Figures computed from official regulatory filings — methodology.
Companies where Witkowski Mark R has traded
Track record of Witkowski Mark R
Insufficient history for a statistical track record (fewer than 5 open-market buys).
Transaction history of Witkowski Mark R
Co-insiders of Witkowski Mark R
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CD&R Fund X Advisor Waterworks B, L.P.Core & Main, Inc.
| Company | Filed | Type | Qty | Price | Value · USD | Src |
|---|
| Mar 13, 2026 | Other | -1,685 | 49.16 USD | $82.8K | SEC |
| Mar 13, 2026 | AwardD | 131,382 | 0.00 USD | $0 | SEC |
| Mar 13, 2026 | Award | 18,372 | 0.00 USD | $0 | SEC |
| Mar 11, 2026 | Other | -478 | 49.96 USD | $23.9K | SEC |
| Mar 11, 2026 | Other | -937 | 49.38 USD | $46.3K | SEC |
| Aug 20, 2025 | Sell | -100,000 | 64.08 USD | $6.4M | SEC |
| Aug 20, 2025 | OtherD | -100,000 | 0.00 USD | $0 | SEC |
| Aug 20, 2025 | Other | 100,000 | 0.00 USD | $0 | SEC |
| Aug 20, 2025 | OtherD | -100,000 | 0.00 USD | $0 | SEC |
| Aug 20, 2025 | OtherD | 100,000 | 0.00 USD | $0 | SEC |
| Jul 21, 2025 | Sell | -27,669 | 61.63 USD | $1.7M | SEC |
| Jul 21, 2025 | OtherD | -100,000 | 0.00 USD | $0 | SEC |
| Jul 21, 2025 | Other | 100,000 | 0.00 USD | $0 | SEC |
| Jul 21, 2025 | OtherD | 100,000 | 0.00 USD | $0 | SEC |
| Jul 21, 2025 | OtherD | -100,000 | 0.00 USD | $0 | SEC |
| Jul 21, 2025 | Sell | -72,331 | 61.12 USD | $4.4M | SEC |
| Apr 2, 2025 | Award | 10,092 | 0.00 USD | $0 | SEC |
| Apr 2, 2025 | AwardD | 73,458 | 0.00 USD | $0 | SEC |
| Mar 17, 2025 | AwardD | 53,094 | 0.00 USD | $0 | SEC |
| Mar 17, 2025 | Award | 7,296 | 0.00 USD | $0 | SEC |
| Mar 13, 2025 | Other | -925 | 46.55 USD | $43.1K | SEC |
| Mar 11, 2025 | Other | -996 | 46.69 USD | $46.5K | SEC |
| Mar 11, 2025 | Other | -536 | 47.87 USD | $25.7K | SEC |
| Jan 17, 2025 | Other | -929 | 48.29 USD | $44.9K | SEC |
| Jan 17, 2025 | Other | -999 | 48.29 USD | $48.2K | SEC |