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SIMPLEX TRADING, LLC: SURG position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of SIMPLEX TRADING, LLC on SURG, newest first. How the timeline and the estimate are built.

SIMPLEX TRADING, LLC held 29 SURG 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 29 shares
    Change vs previous 13F -80 shares

    <0.01% of the 13F portfolio, value $10.

    13F-HR 0001488542-26-000011 filed by SIMPLEX TRADING, LLC
    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 109 shares
    Change vs previous 13F -703 shares

    <0.01% of the 13F portfolio, value $81.

    13F-HR 0001488542-26-000009 filed by SIMPLEX TRADING, LLC
    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 812 shares
    Change vs previous 13F -11,722 shares

    <0.01% of the 13F portfolio, value $1,356.

    13F-HR 0001488542-26-000002 filed by SIMPLEX TRADING, LLC
    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 12,534 shares
    Change vs previous 13F -3,293 shares

    <0.01% of the 13F portfolio, value $35,000.

    13F-HR 0001488542-25-000018 filed by SIMPLEX TRADING, LLC
    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 15,827 shares
    Change vs previous 13F -2,870 shares

    <0.01% of the 13F portfolio, value $49,000.

    13F-HR 0001488542-25-000010 filed by SIMPLEX TRADING, LLC
    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 18,697 shares
    Change vs previous 13F +14,773 shares

    <0.01% of the 13F portfolio, value $38,000.

    13F-HR 0001488542-25-000007 filed by SIMPLEX TRADING, LLC
    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 3,924 shares
    Change vs previous 13F -4,084 shares

    <0.01% of the 13F portfolio, value $6,000.

    13F-HR 0001488542-25-000001 filed by SIMPLEX TRADING, LLC
    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 8,008 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $14,000.

    13F-HR 0001488542-24-000015 filed by SIMPLEX TRADING, LLC
    Filed (acceptance time not in the bulk data set), ingested

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