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Nantahala Capital Management, LLC: IRON position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Nantahala Capital Management, LLC on IRON, newest first. How the timeline and the estimate are built.

Nantahala Capital Management, LLC held 0 IRON shares at 2026-06-30 per its 13F-HR/A filed 2026-08-19.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F/A 0 shares
    Change vs previous 13F -25,653 shares

    13F-HR/A 0001104659-26-098416 filed by Nantahala Capital Management, LLC
    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 25,653 shares
    Change vs previous 13F -107,147 shares

    0.1% of the 13F portfolio, value $1,640,253.

    13F-HR 0001104659-26-062659 filed by Nantahala Capital Management, 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 132,800 shares
    Change vs previous 13F -155,000 shares

    0.63% of the 13F portfolio, value $10,545,648.

    13F-HR 0001104659-26-015271 filed by Nantahala Capital Management, 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 287,800 shares
    Change vs previous 13F 0 shares

    1.17% of the 13F portfolio, value $19,017,824.

    13F-HR 0001104659-25-112624 filed by Nantahala Capital Management, 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 287,800 shares
    Change vs previous 13F +139,409 shares

    1.08% of the 13F portfolio, value $15,241,888.

    13F-HR 0001104659-25-078700 filed by Nantahala Capital Management, 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 148,391 shares
    Change vs previous 13F -1,609 shares

    0.61% of the 13F portfolio, value $7,366,129.

    13F-HR 0001104659-25-049574 filed by Nantahala Capital Management, 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 150,000 shares
    Change vs previous 13F 0 shares

    0.67% of the 13F portfolio, value $9,510,000.

    13F-HR 0001104659-25-014223 filed by Nantahala Capital Management, 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 150,000 shares
    Change vs previous 13F not available

    0.62% of the 13F portfolio, value $7,371,000.

    13F-HR 0001104659-24-118916 filed by Nantahala Capital Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

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