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Disclosery

AMG National Trust Bank: COST position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of AMG National Trust Bank on COST, newest first. How the timeline and the estimate are built.

AMG National Trust Bank held 4,590 COST shares at 2026-06-30 per its 13F-HR filed 2026-08-07.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 4,590 shares
    Change vs previous 13F -107 shares

    0.09% of the 13F portfolio, value $4,293,947.

    13F-HR 0001388829-26-000004 filed by AMG National Trust Bank
    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 4,697 shares
    Change vs previous 13F +141 shares

    0.1% of the 13F portfolio, value $4,680,378.

    13F-HR 0001388829-26-000002 filed by AMG National Trust Bank
    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 4,556 shares
    Change vs previous 13F -6 shares

    0.09% of the 13F portfolio, value $3,929,240.

    13F-HR 0001388829-26-000001 filed by AMG National Trust Bank
    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 4,562 shares
    Change vs previous 13F -230 shares

    0.1% of the 13F portfolio, value $4,222,891.

    13F-HR 0001388829-25-000005 filed by AMG National Trust Bank
    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 4,792 shares
    Change vs previous 13F -26 shares

    0.12% of the 13F portfolio, value $4,743,924.

    13F-HR 0001085146-25-004480 filed by AMG National Trust Bank
    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 4,818 shares
    Change vs previous 13F +369 shares

    0.13% of the 13F portfolio, value $4,556,826.

    13F-HR 0001085146-25-002594 filed by AMG National Trust Bank
    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 4,449 shares
    Change vs previous 13F +12 shares

    0.11% of the 13F portfolio, value $4,080,482.

    13F-HR 0001085146-25-000866 filed by AMG National Trust Bank
    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 4,437 shares
    Change vs previous 13F not available

    0.11% of the 13F portfolio, value $3,933,545.

    13F-HR 0001085146-24-005401 filed by AMG National Trust Bank
    Filed (acceptance time not in the bulk data set), ingested

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