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Disclosery

Aufman Associates Inc: MTX position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Aufman Associates Inc on MTX, newest first. How the timeline and the estimate are built.

Aufman Associates Inc held 36,011 MTX shares at 2026-06-30 per its 13F-HR filed 2026-08-12.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 36,011 shares
    Change vs previous 13F -2,000 shares

    1.06% of the 13F portfolio, value $2,663,734.

    13F-HR 0001801573-26-000003 filed by Aufman Associates Inc
    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 38,011 shares
    Change vs previous 13F 0 shares

    1.32% of the 13F portfolio, value $2,695,740.

    13F-HR 0001801573-26-000002 filed by Aufman Associates Inc
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2025-12-31
    13F 38,011 shares
    Change vs previous 13F 0 shares

    1.19% of the 13F portfolio, value $2,316,770.

    13F-HR 0001801573-26-000001 filed by Aufman Associates Inc
    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 38,011 shares
    Change vs previous 13F 0 shares

    1.33% of the 13F portfolio, value $2,361,243.

    13F-HR 0001801573-25-000007 filed by Aufman Associates Inc
    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 38,011 shares
    Change vs previous 13F +1,007 shares

    1.29% of the 13F portfolio, value $2,093,266.

    13F-HR 0001801573-25-000004 filed by Aufman Associates Inc
    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 37,004 shares
    Change vs previous 13F +1,007 shares

    1.62% of the 13F portfolio, value $2,352,344.

    13F-HR 0001801573-25-000002 filed by Aufman Associates Inc
    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 35,997 shares
    Change vs previous 13F -12,500 shares

    1.85% of the 13F portfolio, value $2,743,331.

    13F-HR 0001801573-25-000001 filed by Aufman Associates Inc
    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 48,497 shares
    Change vs previous 13F not available

    2.41% of the 13F portfolio, value $3,745,423.

    13F-HR 0001801573-24-000005 filed by Aufman Associates Inc
    Filed (acceptance time not in the bulk data set), ingested

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