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Disclosery

Penbrook Management LLC: EXTR position timeline

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

Penbrook Management LLC held 84,025 EXTR 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 84,025 shares
    Change vs previous 13F +500 shares

    1.73% of the 13F portfolio, value $2,719,889.

    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 83,525 shares
    Change vs previous 13F not available

    0.95% of the 13F portfolio, value $1,259,557.

    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).