Witkowski Mark R — SEC Form 4 filings
SEC reporting owner CIK 1866738. 12 Form 4 filings on record with FilingPulse; latest filed 2026-03-13.
Transaction summary — filings shown
Covers all 12 filings on record, filed 2024-03-11 to 2026-03-13. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): 5 legs across 4 filings — 300,000 shares, $18,435,333 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 33.
- Largest priced transaction: sale of 100,000 shares @ $64.08 ($6,408,210) in Core & Main, Inc., filed 2025-08-20.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| Core & Main, Inc. (CNM) | Chief Executive Officer, Director | 12 | — | 5 legs · 300,000 sh · $18,435,333 | 33 |
Form 4 filings — Witkowski Mark R
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-03-13 | 4 | Core & Main, Inc. (CNM) | Tax withholding (F): 1,685 @ $49.16 · Grant/award (A): 18,372 @ $0 · Grant/award (A): 131,382 (derivative) @ $0 | EDGAR |
| 2026-03-11 | 4 | Core & Main, Inc. (CNM) | Tax withholding (F): 478 @ $49.96 · Tax withholding (F): 937 @ $49.38 | EDGAR |
| 2025-08-20 | 4 | Core & Main, Inc. (CNM) | Conversion (C): 100,000 @ $0 · Sale (S): 100,000 @ $64.08 · Other (J): 100,000 (derivative) @ $0 · Other (J): 100,000 (derivative) @ $0 · Conversion (C): 100,000 (derivative) @ $0 | EDGAR |
| 2025-07-21 | 4 | Core & Main, Inc. (CNM) | Conversion (C): 100,000 @ $0 · Sale (S): 72,331 @ $61.12 · Sale (S): 27,669 @ $61.63 · Other (J): 100,000 (derivative) @ $0 · Other (J): 100,000 (derivative) @ $0 · Conversion (C): 100,000 (derivative) @ $0 | EDGAR |
| 2025-04-02 | 4 | Core & Main, Inc. (CNM) | Grant/award (A): 10,092 @ $0 · Grant/award (A): 73,458 (derivative) @ $0 | EDGAR |
| 2025-03-17 | 4 | Core & Main, Inc. (CNM) | Grant/award (A): 7,296 @ $0 · Grant/award (A): 53,094 (derivative) @ $0 | EDGAR |
| 2025-03-13 | 4 | Core & Main, Inc. (CNM) | Tax withholding (F): 925 @ $46.55 | EDGAR |
| 2025-03-11 | 4 | Core & Main, Inc. (CNM) | Tax withholding (F): 536 @ $47.87 · Tax withholding (F): 996 @ $46.69 | EDGAR |
| 2025-01-17 | 4 | Core & Main, Inc. (CNM) | Tax withholding (F): 1,054 @ $21.45 · Tax withholding (F): 999 @ $48.29 · Tax withholding (F): 929 @ $48.29 | EDGAR |
| 2024-05-10 | 4 | Core & Main, Inc. (CNM) | Conversion (C): 50,000 @ $0 · Sale (S): 50,000 @ $59.50 · Other (J): 50,000 (derivative) @ $0 · Other (J): 50,000 (derivative) @ $0 · Conversion (C): 50,000 (derivative) @ $0 | EDGAR |
| 2024-04-10 | 4 | Core & Main, Inc. (CNM) | Conversion (C): 50,000 @ $0 · Sale (S): 50,000 @ $58.51 · Other (J): 50,000 (derivative) @ $0 · Other (J): 50,000 (derivative) @ $0 · Conversion (C): 50,000 (derivative) @ $0 | EDGAR |
| 2024-03-11 | 4 | Core & Main, Inc. (CNM) | Grant/award (A): 4,677 @ $0 · Grant/award (A): 36,726 (derivative) @ $0 | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
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