Stocks
RBCN Rubicon Technology, Inc.

RBCN

Rubicon Technology, Inc.

Company with tickers: RBCN

CIK

1410172

Shares Outstanding

9,377,815

Price Holdings Short Volume Short Interest Fails to Deliver SEC Filings Earnings Calls Insider Trading Congress Trades

Date	Insider	Role	Type	Shares	Price	Value	After
2023-02-22	Brog Timothy	Director	Sell	52,624	$1.51	$79,462	4,969
2022-08-19	Seirer Darren Clay	Director, Chairman, President & CEO, 10% Owner	Other	451,842	—	—	451,842
2022-08-19	Eidinger John	10% Owner	Other	0	—	—	0
2022-08-19	Westphal Susan	Director	Sell	4,472	$20.00	$89,440	4,416
2022-08-19	MIKOLAJCZYK MICHAEL E	Director	Sell	31,851	$20.00	$637,020	31,456
2022-08-19	Brog Timothy	Director	Sell	58,315	$20.00	$1,166,300	57,593
2022-08-19	Gramm Jefferson	Director, 10% Owner	Sell	3,059	$20.00	$61,180	3,021
2022-07-29	MIKOLAJCZYK MICHAEL E	Director	Award	1,010	—	—	63,307
2022-07-29	Westphal Susan	Director	Award	1,010	—	—	8,888
2022-07-29	Gramm Jefferson	Director, 10% Owner	Award	1,010	—	—	5,454
2022-07-29	Gramm Jefferson	Director, 10% Owner	Other	258,256	—	—	258,256
2022-07-18	Brog Timothy	Director	Tax	6,346	$16.06	$101,917	115,908
2022-07-18	Brog Timothy	Director	Convert	12,500	—	—	122,254
2022-07-13	Brog Timothy	Director	Convert	12,500	—	—	116,100
2022-07-13	Brog Timothy	Director	Tax	6,346	$15.84	$100,521	109,754
2021-12-28	Brog Timothy	Director	Award	25,000	—	—	25,000
2021-06-24	Westphal Susan	Director	Award	1,010	$9.90	$9,999	1,010
2021-06-24	MIKOLAJCZYK MICHAEL E	Director	Award	1,010	$9.90	$9,999	1,010
2021-06-24	Gramm Jefferson	Director, 10% Owner	Award	1,010	$9.90	$9,999	1,010
2021-06-23	Westphal Susan	Director	Award	1,250	—	—	7,878
2021-06-23	MIKOLAJCZYK MICHAEL E	Director	Award	1,250	—	—	62,297
2021-06-23	Gramm Jefferson	Director, 10% Owner	Other	258,256	—	—	258,256
2021-06-23	Gramm Jefferson	Director, 10% Owner	Award	1,250	—	—	4,444
2021-04-06	Brog Timothy	Director	Tax	14,950	$10.81	$161,610	103,600
2021-04-06	Brog Timothy	Director	Award	31,550	—	—	118,550
2021-03-17	Lusardi Kevin Timothy	Chief Financial Officer	Other	0	—	—	0
2021-03-17	Lusardi Kevin Timothy	Chief Financial Officer	Other	0	—	—	0
2020-10-19	Brog Timothy	Director	Convert	17,280	—	—	92,280
2020-10-19	Brog Timothy	Director	Tax	5,280	$8.50	$44,880	87,000
2020-07-16	MIKOLAJCZYK MICHAEL E	Director	Award	1,250	$8.00	$10,000	1,250
2020-07-16	Westphal Susan	Director	Award	1,250	$8.00	$10,000	1,250
2020-07-16	Gramm Jefferson	Director, 10% Owner	Award	1,250	$8.00	$10,000	1,250
2020-07-15	MIKOLAJCZYK MICHAEL E	Director	Award	1,199	—	—	61,047
2020-07-15	Westphal Susan	Director	Award	1,199	—	—	6,628
2020-07-15	Gramm Jefferson	Director, 10% Owner	Award	1,199	—	—	3,194
2020-07-15	Gramm Jefferson	Director, 10% Owner	Other	258,256	—	—	258,256
2020-05-14	Bandera Partners LLC	10% Owner	Other	258,256	—	—	258,256