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Disclosery

Penbrook Management LLC: RRC position timeline

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

Penbrook Management LLC held 14,240 RRC 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 14,240 shares
    Change vs previous 13F 0 shares

    0.34% of the 13F portfolio, value $529,585.

    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 14,240 shares
    Change vs previous 13F 0 shares

    0.49% of the 13F portfolio, value $643,363.

    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 14,240 shares
    Change vs previous 13F -100 shares

    0.35% of the 13F portfolio, value $502,102.

    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 14,340 shares
    Change vs previous 13F 0 shares

    0.38% of the 13F portfolio, value $539,757.

    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 14,340 shares
    Change vs previous 13F 0 shares

    0.44% of the 13F portfolio, value $583,207.

    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 14,340 shares
    Change vs previous 13F -300 shares

    0.43% of the 13F portfolio, value $572,596.

    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 14,640 shares
    Change vs previous 13F 0 shares

    0.36% of the 13F portfolio, value $526,747.

    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 14,640 shares
    Change vs previous 13F not available

    0.29% of the 13F portfolio, value $450,326.

    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).