Witkowski Mark R 4
4 · Core & Main, Inc. · Filed Mar 11, 2026
Research Summary
AI-generated summary of this filing
Core & Main (CNM) CEO Mark Witkowski Withholds Shares for Taxes
What Happened
Mark R. Witkowski, Chief Executive Officer of Core & Main, reported that the company withheld shares to satisfy tax withholding obligations upon the vesting of restricted stock units (RSUs). Two withholding transactions occurred: 478 shares withheld at $49.96 each ($23,881) and 937 shares withheld at $49.38 each ($46,269), for a combined withholding of 1,415 shares valued at approximately $70,150.
Key Details
- Transaction dates and prices:
- 2026-03-09: 478 shares withheld at $49.96 (value $23,881)
- 2026-03-10: 937 shares withheld at $49.38 (value $46,269)
- Transaction code: F — shares withheld by the issuer for tax withholding on RSU vesting (footnote F1).
- Shares owned after the transactions: not specified in the provided filing summary.
- Filing: Form 4 filed 2026-03-11; transactions reported within the usual two-business-day window (timely).
Context
These were tax-withholding disposals tied to RSU vesting (a common, routine administrative action), not an open-market sale signaling a trading decision. Such withholdings reduce the insider’s net shares delivered from an award but do not necessarily indicate a view on the company’s stock.
Insider Transaction Report
- Tax Payment
Class A Common Stock
[F1]2026-03-09$49.96/sh−478$23,881→ 35,369 total - Tax Payment
Class A Common Stock
[F1]2026-03-10$49.38/sh−937$46,269→ 34,432 total
Footnotes (1)
- [F1]Represents shares withheld by the Issuer for tax withholding purposes upon the vesting of a portion of restricted stock units granted to the reporting person.