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Disclosery

GENDELL JEFFREY L: MTRN position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of GENDELL JEFFREY L on MTRN, newest first. How the timeline and the estimate are built.

GENDELL JEFFREY L held 71,296 MTRN shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 71,296 shares
    Change vs previous 13F 0 shares

    0.19% of the 13F portfolio, value $21,202,717.

    13F-HR 0001214659-26-010404 filed by GENDELL JEFFREY L
    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 71,296 shares
    Change vs previous 13F 0 shares

    0.14% of the 13F portfolio, value $10,312,966.

    13F-HR 0001214659-26-006484 filed by GENDELL JEFFREY L
    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 71,296 shares
    Change vs previous 13F 0 shares

    0.15% of the 13F portfolio, value $8,863,519.

    13F-HR 0001214659-26-001719 filed by GENDELL JEFFREY L
    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 71,296 shares
    Change vs previous 13F +10,000 shares

    0.16% of the 13F portfolio, value $8,613,269.

    13F-HR 0001214659-25-016654 filed by GENDELL JEFFREY L
    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 61,296 shares
    Change vs previous 13F not available

    0.13% of the 13F portfolio, value $4,865,063.

    13F-HR 0001214659-25-012255 filed by GENDELL JEFFREY L
    Filed (acceptance time not in the bulk data set), ingested

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