Rubicon Technology, Inc.
RBCNDelisted Dec 23, 2022- Industry
- Semiconductors & Related Devices
- SEC CIK
- 0001410172
Rubicon Technology, Inc. was delisted on Dec 23, 2022; its insiders filed their last Form 4 on Feb 24, 2023; 20 institutions reported holding it in 13F filings for Q3 2022, worth $867.3K in total; no superinvestor held it.
Holders of 5% or more of RBCN
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Rubicon Technology, Inc., largest stake first. The change is against the holder's previous filing.
No holder currently reports owning 5% or more of Rubicon Technology, Inc. on Schedule 13D or 13G.
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
Schedule 13D and 13G filings on Rubicon Technology, Inc., newest first.
No Schedule 13D or 13G filings on Rubicon Technology, Inc. are on file.
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Rubicon Technology, Inc. shares.
No Form 144 notices for Rubicon Technology, Inc. are on file.