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Disclosery

MYDA Advisors LLC: ARM position timeline

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

MYDA Advisors LLC held 12,000 ARM shares at 2026-06-30 per its 13F-HR filed 2026-08-13.

the latest 13F is the newest step

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

    1.03% of the 13F portfolio, value $4,254,840.

    13F-HR 0001214659-26-010089 filed by MYDA Advisors LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  2. period ended2024-12-31
    13F 0 shares
    Change vs previous 13F -38,000 shares

    13F-HR 0001214659-25-002560 filed by MYDA Advisors 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.

  3. period ended2024-09-30
    13F 38,000 shares
    Change vs previous 13F not available

    1.55% of the 13F portfolio, value $5,434,380.

    13F-HR 0001214659-24-018850 filed by MYDA Advisors LLC
    Filed (acceptance time not in the bulk data set), ingested

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