Insider Transactions Reported by 7 Insiders of Rubicon Technology, Inc.

Symbol
RBCN on OTC
Location
Bensenville, IL

There are no Buy or Sell transactions made by insiders since 03 Mar 2025

Rubicon Technology, Inc. executives and other stock owners filed with the SEC include:

Name Relationship Holdings Value Past Year Net Change Change % Report Date
Jefferson Gramm Director, Other*, 10%+ Owner $3,025,083 19 Aug 2022
JANEL CORP 10%+ Owner $1,673,080 19 Aug 2022
Darren Seirer Director, 10%+ Owner $682,281 19 Aug 2022
MIKOLAJCZYK MICHAEL E Director $47,499 19 Aug 2022
Timothy Brog Director $7,503 22 Feb 2023
Susan Westphal Director $6,668 19 Aug 2022
John Eidinger Director 19 Aug 2022

Recent Insider Transactions by Companies or Individuals for Rubicon Technology, Inc.

Insider Symbol Class Transaction % Value $ * Price $ Shares Shares Owned Date Ownership
* An asterisk sign (*) next to the price indicates that the price is likely invalid.