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Disclosery

Riverwater Partners LLC: ATRC position timeline

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

Riverwater Partners LLC held 71,596 ATRC shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 71,596 shares
    Change vs previous 13F +1,090 shares

    0.59% of the 13F portfolio, value $2,003,256.

    13F-HR 0001941040-26-000624 filed by Riverwater Partners 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 70,506 shares
    Change vs previous 13F +10,184 shares

    0.67% of the 13F portfolio, value $2,011,536.

    13F-HR 0001941040-26-000302 filed by Riverwater Partners 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 60,322 shares
    Change vs previous 13F 0 shares

    0.92% of the 13F portfolio, value $2,386,338.

    13F-HR 0001941040-26-000105 filed by Riverwater Partners 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 60,322 shares
    Change vs previous 13F +26,657 shares

    0.88% of the 13F portfolio, value $2,126,351.

    13F-HR 0001941040-25-000585 filed by Riverwater Partners 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 33,665 shares
    Change vs previous 13F not available

    0.52% of the 13F portfolio, value $1,103,202.

    13F-HR 0001941040-25-000393 filed by Riverwater Partners LLC
    Filed (acceptance time not in the bulk data set), ingested

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