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Disclosery

Cornerstone Financial Management LLC: WMB position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Cornerstone Financial Management LLC on WMB, newest first. How the timeline and the estimate are built.

Cornerstone Financial Management LLC held 386 WMB shares at 2026-06-30 per its 13F-HR/A filed 2026-08-28.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F/A 386 shares
    Change vs previous 13F +139 shares

    0.02% of the 13F portfolio, value $28,695.

    13F-HR/A 0002110329-26-000015 filed by Cornerstone Financial Management LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  2. period ended2026-03-31
    13F/A 247 shares
    Change vs previous 13F +41 shares

    0.02% of the 13F portfolio, value $17,977.

    13F-HR/A 0002110329-26-000014 filed by Cornerstone Financial Management LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  3. period ended2025-12-31
    13F/A 206 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $12,383.

    13F-HR/A 0002110329-26-000013 filed by Cornerstone Financial Management LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).