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Disclosery

THOMPSON DAVIS & CO., INC.: AMPG position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of THOMPSON DAVIS & CO., INC. on AMPG, newest first. How the timeline and the estimate are built.

THOMPSON DAVIS & CO., INC. held 0 AMPG shares at 2026-06-30 per its 13F-HR filed 2026-07-29.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 0 shares
    Change vs previous 13F -12,000 shares

    13F-HR 0001017284-26-000007 filed by THOMPSON DAVIS & CO., 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 ended2026-03-31
    13F 12,000 shares
    Change vs previous 13F -20,266 shares

    0.02% of the 13F portfolio, value $22,800.

    13F-HR 0001017284-26-000005 filed by THOMPSON DAVIS & CO., 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 32,266 shares
    Change vs previous 13F +2,778 shares

    0.06% of the 13F portfolio, value $96,475.

    13F-HR 0001017284-26-000001 filed by THOMPSON DAVIS & CO., 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 29,488 shares
    Change vs previous 13F -35,843 shares

    0.07% of the 13F portfolio, value $114,708.

    13F-HR 0001017284-25-000009 filed by THOMPSON DAVIS & CO., 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/A 65,331 shares
    Change vs previous 13F +43,111 shares

    0.09% of the 13F portfolio, value $138,502.

    13F-HR/A 0001017284-25-000007 filed by THOMPSON DAVIS & CO., 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 22,220 shares
    Change vs previous 13F not available

    0.03% of the 13F portfolio, value $34,441.

    13F-HR 0001017284-25-000003 filed by THOMPSON DAVIS & CO., INC.
    Filed (acceptance time not in the bulk data set), ingested

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