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Disclosery

Penbrook Management LLC: NPKI position timeline

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

Penbrook Management LLC held 67,825 NPKI 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 67,825 shares
    Change vs previous 13F +575 shares

    0.69% of the 13F portfolio, value $1,079,095.

    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 67,250 shares
    Change vs previous 13F 0 shares

    0.74% of the 13F portfolio, value $974,452.

    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 67,250 shares
    Change vs previous 13F -1,335 shares

    0.55% of the 13F portfolio, value $801,620.

    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 68,585 shares
    Change vs previous 13F 0 shares

    0.54% of the 13F portfolio, value $775,696.

    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 68,585 shares
    Change vs previous 13F -12,825 shares

    0.44% of the 13F portfolio, value $583,658.

    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 81,410 shares
    Change vs previous 13F -575 shares

    0.36% of the 13F portfolio, value $472,992.

    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 81,985 shares
    Change vs previous 13F 0 shares

    0.43% of the 13F portfolio, value $628,825.

    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 81,985 shares
    Change vs previous 13F not available

    0.37% of the 13F portfolio, value $568,156.

    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).