ZPR Investment Management: ACU position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of ZPR Investment Management on ACU, newest first. How the timeline and the estimate are built.

ZPR Investment Management held 0 ACU shares at 2018-03-31 per its 13F-HR filed 2018-05-16.

the latest 13F is the newest step

period ended2018-03-31
13F 0 shares
Change vs previous 13F -13,416 shares
13F-HR 0001085146-18-001541 filed by ZPR Investment Management
Filed 2018-05-16 (acceptance time not in the bulk data set), ingested 2026-10-07 19:05:42 UTC
Acceptance time not in the bulk data set (spec §4.2).
Exited: the 13F for this period no longer lists the position.
period ended2017-12-31
13F 13,416 shares
Change vs previous 13F not available
0.45% of the 13F portfolio, value $314,000.
13F-HR 0001085146-18-000808 filed by ZPR Investment Management
Filed 2018-02-14 (acceptance time not in the bulk data set), ingested 2026-10-07 19:06:41 UTC
Acceptance time not in the bulk data set (spec §4.2).