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SIMPLEX TRADING, LLC: NKTX position timeline

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

SIMPLEX TRADING, LLC held 23,016 NKTX 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 23,016 shares
    Change vs previous 13F +2,530 shares

    <0.01% of the 13F portfolio, value $65,135.

    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 20,486 shares
    Change vs previous 13F +10,725 shares

    <0.01% of the 13F portfolio, value $43,225.

    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 9,761 shares
    Change vs previous 13F +2,784 shares

    <0.01% of the 13F portfolio, value $18,057.

    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 6,977 shares
    Change vs previous 13F +1,913 shares

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

    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 5,064 shares
    Change vs previous 13F -32,175 shares

    <0.01% of the 13F portfolio, value $8,000.

    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 37,239 shares
    Change vs previous 13F -167,755 shares

    <0.01% of the 13F portfolio, value $68,000.

    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 204,994 shares
    Change vs previous 13F +202,461 shares

    0.01% of the 13F portfolio, value $510,000.

    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 2,533 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $11,000.

    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).