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Disclosery

Central Securities Corp: SUNB position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Central Securities Corp on SUNB, newest first. How the timeline and the estimate are built.

Central Securities Corp held 500,000 SUNB shares at 2026-06-30 per its 13F-HR filed 2026-08-10.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 500,000 shares
    Change vs previous 13F -100,000 shares

    2.79% of the 13F portfolio, value $37,405,000.

    13F-HR 0001209992-26-000048 filed by Central Securities Corp
    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 600,000 shares
    Change vs previous 13F not available

    3.22% of the 13F portfolio, value $39,054,000.

    13F-HR 0001209992-26-000035 filed by Central Securities Corp
    Filed (acceptance time not in the bulk data set), ingested

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