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Disclosery

First Business Financial Services, Inc.: OSK position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of First Business Financial Services, Inc. on OSK, newest first. How the timeline and the estimate are built.

First Business Financial Services, Inc. held 14,778 OSK shares at 2026-06-30 per its 13F-HR filed 2026-07-28.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 14,778 shares
    Change vs previous 13F +709 shares

    0.18% of the 13F portfolio, value $2,268,127.

    13F-HR 0001140361-26-029854 filed by First Business Financial Services, Inc.
    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 14,069 shares
    Change vs previous 13F +1,959 shares

    0.18% of the 13F portfolio, value $2,071,097.

    13F-HR 0001140361-26-018481 filed by First Business Financial Services, Inc.
    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 12,110 shares
    Change vs previous 13F +265 shares

    0.14% of the 13F portfolio, value $1,521,379.

    13F-HR 0001140361-26-004002 filed by First Business Financial Services, Inc.
    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 11,845 shares
    Change vs previous 13F +103 shares

    0.14% of the 13F portfolio, value $1,536,297.

    13F-HR 0001140361-25-039810 filed by First Business Financial Services, Inc.
    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 11,742 shares
    Change vs previous 13F not available

    0.12% of the 13F portfolio, value $1,333,187.

    13F-HR 0001140361-25-028130 filed by First Business Financial Services, Inc.
    Filed (acceptance time not in the bulk data set), ingested

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