
Kathleen M. Mazzarella
Director · Core & Main, Inc.
- 2025
- Jun 25, 2026
- 6
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Kathleen M. Mazzarella files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- David Cordani - $60.11M in CI purchases and sales in the last 12 months
- James C. Fish Jr. - $8.47M in WM purchases and sales in the last 12 months
- Nicole S. Jones - $6.78M in CI purchases and sales in the last 12 months
- Michael J. Watson - $4.32M in WM purchases and sales in the last 12 months
- John J. Morris - $3.13M in WM purchases and sales in the last 12 months
- Donald J. Smith - $3.00M in WM purchases and sales in the last 12 months
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Frequently asked questions
Who is Kathleen M. Mazzarella?
Kathleen M. Mazzarella is a corporate insider, tracked as Director of Core & Main, Inc. (CNM). InsiderAlpha holds 6 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Kathleen M. Mazzarella last file a Form 4?
The most recent primary Form 4 on record is dated 25 June 2026, one of 6 filings going back to 2025.