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Disclosery

Costello Asset Management, INC: ARTNA position timeline

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

Costello Asset Management, INC held 115,979 ARTNA shares at 2026-06-30 per its 13F-HR filed 2026-07-28.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 115,979 shares
    Change vs previous 13F -15,504 shares

    1.18% of the 13F portfolio, value $3,942,123.

    13F-HR 0001760145-26-000004 filed by Costello Asset Management, INC
    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 131,483 shares
    Change vs previous 13F -8,505 shares

    1.45% of the 13F portfolio, value $4,187,729.

    13F-HR 0001760145-26-000003 filed by Costello Asset Management, INC
    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 139,988 shares
    Change vs previous 13F -2,638 shares

    1.46% of the 13F portfolio, value $4,425,012.

    13F-HR 0001760145-26-000001 filed by Costello Asset Management, INC
    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 142,626 shares
    Change vs previous 13F -8,751 shares

    1.56% of the 13F portfolio, value $4,648,881.

    13F-HR 0001760145-25-000006 filed by Costello Asset Management, INC
    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 151,377 shares
    Change vs previous 13F -1,335 shares

    1.91% of the 13F portfolio, value $5,080,229.

    13F-HR 0001760145-25-000003 filed by Costello Asset Management, INC
    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 152,712 shares
    Change vs previous 13F -3,490 shares

    2.02% of the 13F portfolio, value $4,986,041.

    13F-HR 0001760145-25-000002 filed by Costello Asset Management, INC
    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 156,202 shares
    Change vs previous 13F -1,149 shares

    3.27% of the 13F portfolio, value $4,939,100.

    13F-HR 0001760145-25-000001 filed by Costello Asset Management, INC
    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 157,351 shares
    Change vs previous 13F not available

    3.91% of the 13F portfolio, value $5,850,296.

    13F-HR 0001760145-24-000005 filed by Costello Asset Management, INC
    Filed (acceptance time not in the bulk data set), ingested

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