Whittenburg Mark G — SEC Form 4 filings
SEC reporting owner CIK 1866737. 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): 7 legs across 5 filings — 250,000 shares, $13,882,323 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 44.
- Largest priced transaction: sale of 49,100 shares @ $60.03 ($2,947,232) in Core & Main, Inc., filed 2025-06-10.
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) | General Counsel and Secretary | 12 | — | 7 legs · 250,000 sh · $13,882,323 | 44 |
Form 4 filings — Whittenburg Mark G
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-03-13 | 4 | Core & Main, Inc. (CNM) | Tax withholding (F): 331 @ $49.16 | EDGAR |
| 2026-03-11 | 4 | Core & Main, Inc. (CNM) | Tax withholding (F): 278 @ $49.96 · Tax withholding (F): 557 @ $49.38 | EDGAR |
| 2026-01-02 | 4 | Core & Main, Inc. (CNM) | Gift (G): 25,500 (derivative) @ $0 | EDGAR |
| 2025-06-10 | 4 | Core & Main, Inc. (CNM) | Conversion (C): 900 @ $0 · Sale (S): 900 @ $60.03 · Conversion (C): 49,100 @ $0 · Sale (S): 49,100 @ $60.03 · Other (J): 900 (derivative) @ $0 · Other (J): 900 (derivative) @ $0 · +4 more | EDGAR |
| 2025-03-17 | 4 | Core & Main, Inc. (CNM) | Grant/award (A): 3,411 @ $0 · Grant/award (A): 24,828 (derivative) @ $0 | EDGAR |
| 2025-03-13 | 4 | Core & Main, Inc. (CNM) | Tax withholding (F): 510 @ $46.55 | EDGAR |
| 2025-03-11 | 4 | Core & Main, Inc. (CNM) | Tax withholding (F): 278 @ $47.87 · Tax withholding (F): 599 @ $46.69 | EDGAR |
| 2025-01-17 | 4 | Core & Main, Inc. (CNM) | Conversion (C): 1,974 @ $0 · Sale (S): 1,974 @ $55.29 · Conversion (C): 48,026 @ $0 · Sale (S): 48,026 @ $55.13 · Other (J): 1,974 (derivative) @ $0 · Other (J): 1,974 (derivative) @ $0 · +4 more | EDGAR |
| 2025-01-14 | 4 | Core & Main, Inc. (CNM) | Tax withholding (F): 610 @ $21.45 · Tax withholding (F): 599 @ $48.29 · Tax withholding (F): 509 @ $48.29 · Conversion (C): 46,452 @ $0 · Sale (S): 50,000 @ $50.49 · Other (J): 46,452 (derivative) @ $0 · +2 more | EDGAR |
| 2024-04-23 | 4 | Core & Main, Inc. (CNM) | Conversion (C): 50,000 @ $0 · Sale (S): 50,000 @ $54.08 · Other (J): 50,000 (derivative) @ $0 · Other (J): 50,000 (derivative) @ $0 · Conversion (C): 50,000 (derivative) @ $0 | EDGAR |
| 2024-03-26 | 4 | Core & Main, Inc. (CNM) | Other (J): 60 @ $0 · Other (J): 60 @ $0 · Conversion (C): 49,940 @ $0 · Sale (S): 50,000 @ $57.91 · Other (J): 49,940 (derivative) @ $0 · Other (J): 49,940 (derivative) @ $0 · +1 more | EDGAR |
| 2024-03-11 | 4 | Core & Main, Inc. (CNM) | Grant/award (A): 2,421 @ $0 · Grant/award (A): 18,999 (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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