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Disclosery

Soapstone Management L.P.: AEM position timeline

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

Soapstone Management L.P. held 0 AEM shares at 2026-03-31 per its 13F-HR filed 2026-05-15.

the latest 13F is the newest step

  1. period ended2026-03-31
    13F 0 shares
    Change vs previous 13F -15,000 shares

    13F-HR 0001398344-26-009297 filed by Soapstone Management L.P.
    Filed (acceptance time not in the bulk data set), ingested

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

    Exited: the 13F for this period no longer lists the position.

  2. period ended2025-12-31
    13F 15,000 shares
    Change vs previous 13F -15,000 shares

    1.87% of the 13F portfolio, value $2,542,950.

    13F-HR 0001398344-26-003286 filed by Soapstone Management L.P.
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2025-09-30
    13F 30,000 shares
    Change vs previous 13F -7,500 shares

    3.43% of the 13F portfolio, value $5,056,800.

    13F-HR 0001398344-25-020993 filed by Soapstone Management L.P.
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-06-30
    13F 37,500 shares
    Change vs previous 13F -2,500 shares

    2.96% of the 13F portfolio, value $4,459,875.

    13F-HR 0001398344-25-015664 filed by Soapstone Management L.P.
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-03-31
    13F 40,000 shares
    Change vs previous 13F -18,750 shares

    3.39% of the 13F portfolio, value $4,336,400.

    13F-HR 0001398344-25-009640 filed by Soapstone Management L.P.
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2024-12-31
    13F 58,750 shares
    Change vs previous 13F not available

    4.32% of the 13F portfolio, value $4,594,838.

    13F-HR 0001398344-25-002908 filed by Soapstone Management L.P.
    Filed (acceptance time not in the bulk data set), ingested

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