E Michael Mikolajczyk

Insider Trading: Purchases See All

Company	Symbol	Price	Amount	Relationship	Remaining Holdings	Date	Form 4
Rubicon Technology Inc.	RBCN	$1.19	38,700	Director	208,169	2015-12-31	Filing
Rubicon Technology Inc.	RBCN	$1.20	41,300	Director	169,469	2015-12-30	Filing

Insider Trading: Sales See All

Company	Symbol	Price	Amount	Relationship	Remaining Holdings	Date	Form 4
Rubicon Technology Inc.	RBCN	$20.00	31,851	Director	31,456	2022-08-19	Filing
Rubicon Technology Inc.	RBCN	$28.41	20,000	Director	94,049	2010-06-21	Filing
Diamond Management & Technology Consultants Inc.	DTPI	$10.20	20,000	Director	281,784	2010-06-02	Filing