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Disclosery

Penbrook Management LLC: DAIO position timeline

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

Penbrook Management LLC held 355,850 DAIO 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 355,850 shares
    Change vs previous 13F -1,000 shares

    0.89% of the 13F portfolio, value $1,402,049.

    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 356,850 shares
    Change vs previous 13F 0 shares

    0.68% of the 13F portfolio, value $902,830.

    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).

  3. period ended2025-12-31
    13F 356,850 shares
    Change vs previous 13F +4,100 shares

    0.78% of the 13F portfolio, value $1,131,215.

    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).

  4. period ended2025-09-30
    13F 352,750 shares
    Change vs previous 13F +3,000 shares

    0.82% of the 13F portfolio, value $1,178,185.

    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).

  5. period ended2025-06-30
    13F/A 349,750 shares
    Change vs previous 13F +80,300 shares

    0.82% of the 13F portfolio, value $1,084,225.

    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).

  6. period ended2025-03-31
    13F 269,450 shares
    Change vs previous 13F -2,000 shares

    0.5% of the 13F portfolio, value $660,153.

    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).

  7. period ended2024-12-31
    13F 271,450 shares
    Change vs previous 13F 0 shares

    0.51% of the 13F portfolio, value $751,917.

    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).

  8. period ended2024-09-30
    13F 271,450 shares
    Change vs previous 13F not available

    0.45% of the 13F portfolio, value $697,627.

    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).