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Disclosery

Mathes Company, Inc.: OSK position timeline

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

Mathes Company, Inc. held 25,035 OSK shares at 2026-06-30 per its 13F-HR filed 2026-08-11.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 25,035 shares
    Change vs previous 13F +150 shares

    1.19% of the 13F portfolio, value $3,842,000.

    13F-HR 0001999371-26-017572 filed by Mathes Company, 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 24,885 shares
    Change vs previous 13F not available

    1.34% of the 13F portfolio, value $3,663,000.

    13F-HR 0001999371-26-010258 filed by Mathes Company, Inc.
    Filed (acceptance time not in the bulk data set), ingested

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