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SOUTHERNSUN ASSET MANAGEMENT, LLC: OSK position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of SOUTHERNSUN ASSET MANAGEMENT, LLC on OSK, newest first. How the timeline and the estimate are built.

SOUTHERNSUN ASSET MANAGEMENT, LLC held 43,332 OSK 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 43,332 shares
    Change vs previous 13F +12,352 shares

    0.9% of the 13F portfolio, value $6,650,595.

    13F-HR 0001213900-26-089539 filed by SOUTHERNSUN ASSET MANAGEMENT, 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 30,980 shares
    Change vs previous 13F +10,824 shares

    0.66% of the 13F portfolio, value $4,560,566.

    13F-HR 0001213900-26-055668 filed by SOUTHERNSUN ASSET MANAGEMENT, 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 20,156 shares
    Change vs previous 13F not available

    0.35% of the 13F portfolio, value $2,532,198.

    13F-HR 0001213900-26-015916 filed by SOUTHERNSUN ASSET MANAGEMENT, LLC
    Filed (acceptance time not in the bulk data set), ingested

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