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Disclosery

Knott David M Jr: ATRC position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Knott David M Jr on ATRC, newest first. How the timeline and the estimate are built.

Knott David M Jr held 51,400 ATRC 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 51,400 shares
    Change vs previous 13F 0 shares

    0.76% of the 13F portfolio, value $1,438,172.

    13F-HR 0001104659-26-094536 filed by Knott David M Jr
    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 51,400 shares
    Change vs previous 13F 0 shares

    0.87% of the 13F portfolio, value $1,466,442.

    13F-HR 0001104659-26-060750 filed by Knott David M Jr
    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 51,400 shares
    Change vs previous 13F +3,400 shares

    0.94% of the 13F portfolio, value $2,033,384.

    13F-HR 0001104659-26-014058 filed by Knott David M Jr
    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 48,000 shares
    Change vs previous 13F +1,557 shares

    0.71% of the 13F portfolio, value $1,692,000.

    13F-HR 0001104659-25-110124 filed by Knott David M Jr
    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 46,443 shares
    Change vs previous 13F +21,823 shares

    0.69% of the 13F portfolio, value $1,521,937.

    13F-HR 0001104659-25-076007 filed by Knott David M Jr
    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 24,620 shares
    Change vs previous 13F not available

    0.37% of the 13F portfolio, value $794,241.

    13F-HR 0001104659-25-047243 filed by Knott David M Jr
    Filed (acceptance time not in the bulk data set), ingested

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