Rubicon Technology Inc. (RBCN)

Hedge Fund Holdings
Filing Period:
Last update:
No. Hedge Fund Shares Value (x$1000) Activity % Port
1.
Bandera Partners

Gregory Bylinsky And Jefferson Gramm

258,256 $2,665 1.04%
2. 108,512 $1,120 -2% 0%
3.
Ariel Investments

John W. Rogers

53,798 $555 -8% 0%
Insider Trading: Purchases See All
Insider Price Amount Relationship Remaining Holdings Date Form 4
$8.08 2,051 Officer, Director 47,000 2019-06-11 Filing
$8.04 349 Officer, Director 44,949 2019-06-07 Filing
$8.00 7,600 Officer, Director 44,600 2019-06-06 Filing
$1.19 38,700 Director 208,169 2015-12-31 Filing
$1.20 41,300 Director 169,469 2015-12-30 Filing
Insider Trading: Sales See All
Insider Price Amount Relationship Remaining Holdings Date Form 4
$8.00 221,784 Director 0 2017-11-16 Filing
$12.42 2,500,000 Large Shareholder 2,217,851 2014-03-24 Filing
$12.42 2,500,000 Large Shareholder, Director 2,217,851 2014-03-24 Filing
$7.53 61,891 Large Shareholder 4,717,851 2013-04-26 Filing
$7.45 225,000 Large Shareholder 4,779,742 2013-04-25 Filing
Institutional Investors' Holdings
Filing Period:
No. Name Shares Value (x$1000) % Port
1. 22,385 $214 0.04%
2. 13,300 $126 0%
3. 81 $1 0%
4. 0 $0 0%
News See All