Weissman William F (CIK 0001293855)

Latest company ownership

Shares held
277,778
Last filed at
Dec 2, 2015
Confidence Score
50.0
2025Q4
Confidence Score History
2010Q2 2025Q4

Recent buy/sell transactions

Exec date Filing date Company Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Dec 31, 2014 Jan 5, 2015 Rubicon Technology, Inc. CEO Sell 27.5 -1,903 -11.86% $8.3K
Jul 1, 2014 Jul 3, 2014 Rubicon Technology, Inc. CFO Sell 26.3 -1,644 -9.30% $14.4K
Feb 23, 2011 Feb 24, 2011 Rubicon Technology, Inc. CFO Buy 91.3 +2,000 100.00% $45K
Jun 21, 2010 Jun 23, 2010 Rubicon Technology, Inc. CFO Sell 17.5 -100,000 -100.00% $2.8M
Jun 15, 2010 Jun 18, 2010 Rubicon Technology, Inc. CFO Sell 17.5 -34,045 -19.38% $1M