ROBOTTI ROBERT: SNDK position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of ROBOTTI ROBERT on SNDK, newest first. How the timeline and the estimate are built.

ROBOTTI ROBERT held 3,039 SNDK shares at 2026-06-30 per its 13F-HR filed 2026-08-10.

the latest 13F is the newest step

period ended2026-06-30
13F 3,039 shares
Change vs previous 13F -6,217 shares
1.12% of the 13F portfolio, value $6,909,865.
13F-HR 0001140361-26-031881 filed by ROBOTTI ROBERT
Filed 2026-08-10 (acceptance time not in the bulk data set), ingested 2026-10-06 09:57:27 UTC
Acceptance time not in the bulk data set (spec §4.2).
period ended2026-03-31
13F 9,256 shares
Change vs previous 13F not available
0.92% of the 13F portfolio, value $5,880,707.
13F-HR 0001140361-26-020972 filed by ROBOTTI ROBERT
Filed 2026-05-13 (acceptance time not in the bulk data set), ingested 2026-10-06 09:58:43 UTC
Acceptance time not in the bulk data set (spec §4.2).