Skip to content
Disclosery

WILLIAM JOHN SEMPOLINSKI: ITB position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of WILLIAM JOHN SEMPOLINSKI on ITB, newest first. How the timeline and the estimate are built.

WILLIAM JOHN SEMPOLINSKI held 26,497 ITB shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 26,497 shares
    Change vs previous 13F +1,425 shares

    1.12% of the 13F portfolio, value $2,768,407.

    13F-HR 0001951757-26-001260 filed by WILLIAM JOHN SEMPOLINSKI
    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 25,072 shares
    Change vs previous 13F +3,947 shares

    1.14% of the 13F portfolio, value $2,270,270.

    13F-HR 0001951757-26-001607 filed by WILLIAM JOHN SEMPOLINSKI
    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 21,125 shares
    Change vs previous 13F not available

    1% of the 13F portfolio, value $2,034,338.

    13F-HR 0001951757-26-001606 filed by WILLIAM JOHN SEMPOLINSKI
    Filed (acceptance time not in the bulk data set), ingested

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