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Disclosery

MARTINGALE ASSET MANAGEMENT L P: ARCB position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of MARTINGALE ASSET MANAGEMENT L P on ARCB, newest first. How the timeline and the estimate are built.

MARTINGALE ASSET MANAGEMENT L P held 17,090 ARCB 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 17,090 shares
    Change vs previous 13F +1,264 shares

    0.06% of the 13F portfolio, value $2,453,099.

    13F-HR 0000936944-26-000006 filed by MARTINGALE ASSET MANAGEMENT L P
    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 15,826 shares
    Change vs previous 13F not available

    0.04% of the 13F portfolio, value $1,556,646.

    13F-HR 0000936944-26-000003 filed by MARTINGALE ASSET MANAGEMENT L P
    Filed (acceptance time not in the bulk data set), ingested

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