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Disclosery

OLD SECOND NATIONAL BANK OF AURORA: MRK position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of OLD SECOND NATIONAL BANK OF AURORA on MRK, newest first. How the timeline and the estimate are built.

OLD SECOND NATIONAL BANK OF AURORA held 6,222 MRK shares at 2026-06-30 per its 13F-HR filed 2026-07-21.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 6,222 shares
    Change vs previous 13F 0 shares

    0.15% of the 13F portfolio, value $799,527.

    13F-HR 0000903783-26-000003 filed by OLD SECOND NATIONAL BANK OF AURORA
    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 6,222 shares
    Change vs previous 13F -300 shares

    0.15% of the 13F portfolio, value $748,444.

    13F-HR 0000903783-26-000002 filed by OLD SECOND NATIONAL BANK OF AURORA
    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 6,522 shares
    Change vs previous 13F -94 shares

    0.14% of the 13F portfolio, value $686,506.

    13F-HR 0000903783-26-000001 filed by OLD SECOND NATIONAL BANK OF AURORA
    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 6,616 shares
    Change vs previous 13F -6 shares

    0.11% of the 13F portfolio, value $555,281.

    13F-HR 0000903783-25-000003 filed by OLD SECOND NATIONAL BANK OF AURORA
    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 6,622 shares
    Change vs previous 13F +34 shares

    0.11% of the 13F portfolio, value $524,198.

    13F-HR 0001964897-25-000005 filed by OLD SECOND NATIONAL BANK OF AURORA
    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 6,588 shares
    Change vs previous 13F +72 shares

    0.14% of the 13F portfolio, value $591,339.

    13F-HR 0001964897-25-000003 filed by OLD SECOND NATIONAL BANK OF AURORA
    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 6,516 shares
    Change vs previous 13F -411 shares

    0.15% of the 13F portfolio, value $648,212.

    13F-HR 0000903783-25-000001 filed by OLD SECOND NATIONAL BANK OF AURORA
    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 6,927 shares
    Change vs previous 13F not available

    0.19% of the 13F portfolio, value $786,630.

    13F-HR 0000903783-24-000006 filed by OLD SECOND NATIONAL BANK OF AURORA
    Filed (acceptance time not in the bulk data set), ingested

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