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Disclosery

Tandem Financial, LLC: COST position timeline

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

Tandem Financial, LLC held 260 COST shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 260 shares
    Change vs previous 13F 0 shares

    0.08% of the 13F portfolio, value $243,352.

    13F-HR 0001420506-26-001637 filed by Tandem Financial, 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 260 shares
    Change vs previous 13F +40 shares

    0.09% of the 13F portfolio, value $259,201.

    13F-HR 0001420506-26-000867 filed by Tandem Financial, 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 220 shares
    Change vs previous 13F -37 shares

    0.24% of the 13F portfolio, value $201,673.

    13F-HR 0001420506-26-000250 filed by Tandem Financial, 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 257 shares
    Change vs previous 13F +39 shares

    0.09% of the 13F portfolio, value $237,992.

    13F-HR 0001420506-25-002960 filed by Tandem Financial, 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 218 shares
    Change vs previous 13F 0 shares

    0.2% of the 13F portfolio, value $215,915.

    13F-HR 0001420506-25-001987 filed by Tandem Financial, 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 218 shares
    Change vs previous 13F -2 shares

    0.22% of the 13F portfolio, value $206,280.

    13F-HR 0001420506-25-000936 filed by Tandem Financial, 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 220 shares
    Change vs previous 13F not available

    0.21% of the 13F portfolio, value $201,673.

    13F-HR 0001986152-25-000010 filed by Tandem Financial, LLC
    Filed (acceptance time not in the bulk data set), ingested

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