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Disclosery

River Street Advisors LLC: OSBC position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of River Street Advisors LLC on OSBC, newest first. How the timeline and the estimate are built.

River Street Advisors LLC held 779,008 OSBC 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 779,008 shares
    Change vs previous 13F +32,348 shares

    5.35% of the 13F portfolio, value $18,166,456.

    13F-HR 0001964897-26-000003 filed by River Street Advisors 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 746,660 shares
    Change vs previous 13F +380,589 shares

    5.09% of the 13F portfolio, value $15,052,662.

    13F-HR 0001964897-26-000002 filed by River Street Advisors 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 366,071 shares
    Change vs previous 13F -17,878 shares

    2.67% of the 13F portfolio, value $7,138,388.

    13F-HR 0001964897-26-000001 filed by River Street Advisors 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 383,949 shares
    Change vs previous 13F +383,949 shares

    2.57% of the 13F portfolio, value $6,636,559.

    13F-HR 0001964897-25-000010 filed by River Street Advisors 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 0 shares
    Change vs previous 13F -292,611 shares

    13F-HR 0001964897-25-000004 filed by River Street Advisors LLC
    Filed (acceptance time not in the bulk data set), ingested

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

    Exited: the 13F for this period no longer lists the position.

  6. period ended2025-03-31
    13F 292,611 shares
    Change vs previous 13F +103,462 shares

    2.41% of the 13F portfolio, value $4,869,048.

    13F-HR 0001964897-25-000002 filed by River Street Advisors 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 189,149 shares
    Change vs previous 13F not available

    1.72% of the 13F portfolio, value $3,363,070.

    13F-HR 0001964897-25-000001 filed by River Street Advisors LLC
    Filed (acceptance time not in the bulk data set), ingested

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