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Disclosery

Penbrook Management LLC: TUSK position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Penbrook Management LLC on TUSK, newest first. How the timeline and the estimate are built.

Penbrook Management LLC held 0 TUSK shares at 2025-09-30 per its 13F-HR filed 2025-10-22.

the latest 13F is the newest step

  1. period ended2025-09-30
    13F 0 shares
    Change vs previous 13F -13,000 shares

    13F-HR 0001381055-25-000008 filed by Penbrook Management 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.

  2. period ended2025-06-30
    13F/A 13,000 shares
    Change vs previous 13F -1,000 shares

    0.03% of the 13F portfolio, value $36,400.

    13F-HR/A 0001381055-25-000006 filed by Penbrook 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 ended2025-03-31
    13F 14,000 shares
    Change vs previous 13F -8,200 shares

    0.02% of the 13F portfolio, value $28,560.

    13F-HR 0001381055-25-000002 filed by Penbrook Management LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2024-12-31
    13F 22,200 shares
    Change vs previous 13F -10,500 shares

    0.05% of the 13F portfolio, value $66,600.

    13F-HR 0001381055-25-000001 filed by Penbrook Management LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2024-09-30
    13F 32,700 shares
    Change vs previous 13F not available

    0.09% of the 13F portfolio, value $133,743.

    13F-HR 0001381055-24-000005 filed by Penbrook Management LLC
    Filed (acceptance time not in the bulk data set), ingested

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