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Disclosery

Penbrook Management LLC: MESO position timeline

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

Penbrook Management LLC held 87,075 MESO 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 87,075 shares
    Change vs previous 13F 0 shares

    0.75% of the 13F portfolio, value $1,178,124.

    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 87,075 shares
    Change vs previous 13F -500 shares

    1.01% of the 13F portfolio, value $1,339,213.

    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 87,575 shares
    Change vs previous 13F -100 shares

    1.09% of the 13F portfolio, value $1,579,853.

    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 87,675 shares
    Change vs previous 13F 0 shares

    0.99% of the 13F portfolio, value $1,412,444.

    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 87,675 shares
    Change vs previous 13F 0 shares

    0.72% of the 13F portfolio, value $954,780.

    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 87,675 shares
    Change vs previous 13F -3,400 shares

    0.83% of the 13F portfolio, value $1,094,184.

    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 91,075 shares
    Change vs previous 13F -16,200 shares

    1.23% of the 13F portfolio, value $1,803,285.

    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 107,275 shares
    Change vs previous 13F not available

    0.57% of the 13F portfolio, value $876,437.

    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).