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Disclosery

R.M.SINCERBEAUX CAPITAL MANAGEMENT LLC: WMB position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of R.M.SINCERBEAUX CAPITAL MANAGEMENT LLC on WMB, newest first. How the timeline and the estimate are built.

R.M.SINCERBEAUX CAPITAL MANAGEMENT LLC held 255,723 WMB shares at 2026-06-30 per its 13F-HR filed 2026-07-29.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 255,723 shares
    Change vs previous 13F 0 shares

    10.11% of the 13F portfolio, value $19,010,448.

    13F-HR 0000919574-26-004666 filed by R.M.SINCERBEAUX CAPITAL 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 255,723 shares
    Change vs previous 13F -800 shares

    10.85% of the 13F portfolio, value $18,611,520.

    13F-HR 0000919574-26-002860 filed by R.M.SINCERBEAUX CAPITAL 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 256,523 shares
    Change vs previous 13F -31,360 shares

    8.63% of the 13F portfolio, value $15,419,598.

    13F-HR 0000919574-26-000982 filed by R.M.SINCERBEAUX CAPITAL MANAGEMENT LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-09-30
    13F 287,883 shares
    Change vs previous 13F +1,000 shares

    9.81% of the 13F portfolio, value $18,237,388.

    13F-HR 0000919574-25-006807 filed by R.M.SINCERBEAUX CAPITAL MANAGEMENT LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-06-30
    13F 286,883 shares
    Change vs previous 13F +3,333 shares

    10.16% of the 13F portfolio, value $18,019,121.

    13F-HR 0000919574-25-004659 filed by R.M.SINCERBEAUX CAPITAL MANAGEMENT LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2025-03-31
    13F 283,550 shares
    Change vs previous 13F +1,000 shares

    10.01% of the 13F portfolio, value $16,944,948.

    13F-HR 0000919574-25-003090 filed by R.M.SINCERBEAUX CAPITAL MANAGEMENT LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  7. period ended2024-12-31
    13F 282,550 shares
    Change vs previous 13F -5,600 shares

    9.18% of the 13F portfolio, value $15,291,606.

    13F-HR 0000919574-25-001230 filed by R.M.SINCERBEAUX CAPITAL MANAGEMENT LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  8. period ended2024-09-30
    13F 288,150 shares
    Change vs previous 13F not available

    8.17% of the 13F portfolio, value $13,154,048.

    13F-HR 0000919574-24-006509 filed by R.M.SINCERBEAUX CAPITAL MANAGEMENT LLC
    Filed (acceptance time not in the bulk data set), ingested

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