Skip to content

Penbrook Management LLC: ASPN position timeline

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

Penbrook Management LLC held 0 ASPN shares at 2025-12-31 per its 13F-HR filed 2026-01-06.

the latest 13F is the newest step

  1. period ended2025-12-31
    13F 0 shares
    Change vs previous 13F -14,180 shares

    13F-HR 0001381055-26-000001 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).

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

  2. period ended2025-09-30
    13F 14,180 shares
    Change vs previous 13F 0 shares

    0.07% of the 13F portfolio, value $98,692.

    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).

  3. period ended2025-06-30
    13F/A 14,180 shares
    Change vs previous 13F -3,975 shares

    0.06% of the 13F portfolio, value $83,945.

    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).

  4. period ended2025-03-31
    13F 18,155 shares
    Change vs previous 13F not available

    0.09% of the 13F portfolio, value $116,010.

    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).