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Disclosery

Grove Bank & Trust: MAS position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Grove Bank & Trust on MAS, newest first. How the timeline and the estimate are built.

Grove Bank & Trust held 10,923 MAS shares at 2026-09-30 per its 13F-HR filed 2026-10-08.

the latest 13F is the newest step

  1. period ended2026-09-30
    13F 10,923 shares
    Change vs previous 13F +219 shares

    0.07% of the 13F portfolio, value $736,211.

    13F-HR 0001193125-26-417783 filed by Grove Bank & Trust
    Accepted , ingested

  2. period ended2026-06-30
    13F 10,704 shares
    Change vs previous 13F -1,213 shares

    0.09% of the 13F portfolio, value $870,985.

    13F-HR 0001193125-26-297338 filed by Grove Bank & Trust
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2026-03-31
    13F 11,917 shares
    Change vs previous 13F +1,154 shares

    0.08% of the 13F portfolio, value $719,429.

    13F-HR 0001193125-26-147358 filed by Grove Bank & Trust
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-12-31
    13F 10,763 shares
    Change vs previous 13F +4,521 shares

    0.08% of the 13F portfolio, value $683,020.

    13F-HR 0001193125-26-007162 filed by Grove Bank & Trust
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-09-30
    13F 6,242 shares
    Change vs previous 13F +6,034 shares

    0.05% of the 13F portfolio, value $439,374.

    13F-HR 0001193125-25-231429 filed by Grove Bank & Trust
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2025-06-30
    13F 208 shares
    Change vs previous 13F -11 shares

    <0.01% of the 13F portfolio, value $13,387.

    13F-HR 0000950123-25-006305 filed by Grove Bank & Trust
    Filed (acceptance time not in the bulk data set), ingested

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

  7. period ended2025-03-31
    13F 219 shares
    Change vs previous 13F +50 shares

    <0.01% of the 13F portfolio, value $15,229.

    13F-HR 0000950123-25-003568 filed by Grove Bank & Trust
    Filed (acceptance time not in the bulk data set), ingested

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

  8. period ended2024-12-31
    13F 169 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $12,264.

    13F-HR 0000950123-25-000315 filed by Grove Bank & Trust
    Filed (acceptance time not in the bulk data set), ingested

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