Senior insider sale
General Counsel and Secretary at CORE & MAIN, INC. — senior position signals high conviction
$4.37M
89.86K shares
What this filing means
WHITTENBURG MARK G plans to sell 89.86K shares of CORE & MAIN, INC. valued at approximately $4.37M. Form 144 is a notice of intent to sell restricted or control securities — not a mandatory transaction. This filing provides advance warning of potential selling pressure.
Filed: 6/30/2026ACC: 0001959173-26-004968
Officer· General Counsel and Secretary
Since Jul 2021
89.86K
Shares to sell
$4.37M
Approx. market value
49.06K
Acquired (3 months)
1
Planned
2 completed
Securities Acquired — Last 3 Months1
Stock Option Exercise
Cash
6/30/2026
49.06KTotal acquired49.06K
| Acquisition Date | Type | Amount Acquired | Gift |
|---|---|---|---|
6/30/2026 | Stock Option Exercise Cash | 49.06K | — |
| Total | 49.06K | ||
Planned & Completed Dispositions3
Completed
—Completed
Units to sell
18.81K
Market value
$931.3K
5/29/2026
—Completed
Units to sell
21.98K
Market value
$1.09M
5/27/2026
Planned — Approximate Date
NYSEPlanned
Units to sell
49.06K
Market value
$2.36M
6/30/2026
Total
Units
89.86K
Value
$4.37M
| Date | Units to Sell | Approx. Market Value | Exchange | Status |
|---|---|---|---|---|
| Completed | ||||
5/29/2026 | 18.81K | $931.3K | — | Completed |
5/27/2026 | 21.98K | $1.09M | — | Completed |
| Planned — Approximate Date | ||||
6/30/2026 | 49.06K | $2.36M | NYSE | Planned |
| Total | 89.86K | $4.37M | ||