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Disclosery

Penbrook Management LLC: PROF position timeline

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

Penbrook Management LLC held 12,075 PROF shares at 2026-06-30 per its 13F-HR filed 2026-07-23.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 12,075 shares
    Change vs previous 13F -225 shares

    0.05% of the 13F portfolio, value $80,298.

    13F-HR 0001381055-26-000003 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).

  2. period ended2026-03-31
    13F 12,300 shares
    Change vs previous 13F not available

    0.06% of the 13F portfolio, value $79,704.

    13F-HR 0001381055-26-000002 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).