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Warberg Asset Management LLC: AMPGR position timeline

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

Warberg Asset Management LLC held 309,044 AMPGR shares at 2026-06-30 per its 13F-HR filed 2026-08-11.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 309,044 shares
    Change vs previous 13F +108,927 shares

    0.18% of the 13F portfolio, value $596,395.

    13F-HR 0001597506-26-000003 filed by Warberg Asset Management 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 200,117 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $18,747.

    13F-HR 0001597506-26-000002 filed by Warberg Asset Management LLC
    Filed (acceptance time not in the bulk data set), ingested

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