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Disclosery

Perritt Capital Management Inc: MAMA position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Perritt Capital Management Inc on MAMA, newest first. How the timeline and the estimate are built.

Perritt Capital Management Inc held 0 MAMA shares at 2025-09-30 per its 13F-HR filed 2025-11-17.

the latest 13F is the newest step

  1. period ended2025-09-30
    13F 0 shares
    Change vs previous 13F -30,000 shares

    13F-HR 0000897069-25-001709 filed by Perritt Capital Management Inc
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

    Exited: the 13F for this period no longer lists the position.

  2. period ended2025-06-30
    13F/A 30,000 shares
    Change vs previous 13F -10,000 shares

    0.13% of the 13F portfolio, value $249,000.

    13F-HR/A 0000897069-25-001344 filed by Perritt Capital Management Inc
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  3. period ended2025-03-31
    13F 40,000 shares
    Change vs previous 13F 0 shares

    0.14% of the 13F portfolio, value $260,400.

    13F-HR 0000897069-25-000971 filed by Perritt Capital Management Inc
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  4. period ended2024-12-31
    13F 40,000 shares
    Change vs previous 13F -20,000 shares

    0.17% of the 13F portfolio, value $318,400.

    13F-HR 0000897069-25-000210 filed by Perritt Capital Management Inc
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  5. period ended2024-09-30
    13F 60,000 shares
    Change vs previous 13F -20,000 shares

    0.23% of the 13F portfolio, value $438,000.

    13F-HR 0000897069-24-002137 filed by Perritt Capital Management Inc
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  6. period ended2024-06-30
    13F 80,000 shares
    Change vs previous 13F not available

    0.29% of the 13F portfolio, value $539,200.

    13F-HR 0000897069-24-001636 filed by Perritt Capital Management Inc
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).