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MOUNT VERNON ASSOCIATES INC /MD/: TREX position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of MOUNT VERNON ASSOCIATES INC /MD/ on TREX, newest first. How the timeline and the estimate are built.

MOUNT VERNON ASSOCIATES INC /MD/ held 26,350 TREX shares at 2026-06-30 per its 13F-HR filed 2026-07-24.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 26,350 shares
    Change vs previous 13F -2,200 shares

    0.86% of the 13F portfolio, value $1,319,000.

    13F-HR 0000799003-26-000003 filed by MOUNT VERNON ASSOCIATES INC /MD/
    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 28,550 shares
    Change vs previous 13F -50 shares

    0.73% of the 13F portfolio, value $1,040,000.

    13F-HR 0000799003-26-000002 filed by MOUNT VERNON ASSOCIATES INC /MD/
    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 28,600 shares
    Change vs previous 13F -850 shares

    0.67% of the 13F portfolio, value $1,003,000.

    13F-HR 0000799003-26-000001 filed by MOUNT VERNON ASSOCIATES INC /MD/
    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 29,450 shares
    Change vs previous 13F -200 shares

    1.06% of the 13F portfolio, value $1,522,000.

    13F-HR 0000799003-25-000005 filed by MOUNT VERNON ASSOCIATES INC /MD/
    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 29,650 shares
    Change vs previous 13F +100 shares

    1.16% of the 13F portfolio, value $1,612,000.

    13F-HR 0000799003-25-000003 filed by MOUNT VERNON ASSOCIATES INC /MD/
    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 29,550 shares
    Change vs previous 13F +300 shares

    1.4% of the 13F portfolio, value $1,717,000.

    13F-HR 0000799003-25-000002 filed by MOUNT VERNON ASSOCIATES INC /MD/
    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 29,250 shares
    Change vs previous 13F 0 shares

    1.57% of the 13F portfolio, value $2,019,000.

    13F-HR 0000799003-25-000001 filed by MOUNT VERNON ASSOCIATES INC /MD/
    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 29,250 shares
    Change vs previous 13F not available

    1.54% of the 13F portfolio, value $1,947,000.

    13F-HR 0000799003-24-000004 filed by MOUNT VERNON ASSOCIATES INC /MD/
    Filed (acceptance time not in the bulk data set), ingested

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