WILLIAM JOHN SEMPOLINSKI: GRAL position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of WILLIAM JOHN SEMPOLINSKI on GRAL, newest first. How the timeline and the estimate are built.
WILLIAM JOHN SEMPOLINSKI held 7,150 GRAL shares at 2026-06-30 per its 13F-HR filed 2026-08-14.
the latest 13F is the newest step
- period ended2026-06-3013F 7,150 sharesChange vs previous 13F +7,150 shares
0.2% of the 13F portfolio, value $488,131.
13F-HR 0001951757-26-001260 filed by WILLIAM JOHN SEMPOLINSKI
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2026-03-3113F 0 sharesChange vs previous 13F -17,975 shares
13F-HR 0001951757-26-001607 filed by WILLIAM JOHN SEMPOLINSKI
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
Exited: the 13F for this period no longer lists the position.
- period ended2025-12-3113F 17,975 sharesChange vs previous 13F not available
0.76% of the 13F portfolio, value $1,538,480.
13F-HR 0001951757-26-001606 filed by WILLIAM JOHN SEMPOLINSKI
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).