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Ion Geophysical Corp (IO)

Hedge Fund Holdings
Filing Period:
Last update:
No. Hedge Fund Shares Value (x$1000) Activity % Port
1. 861,844 $23,356 +69% 0.52%
2.
Ellington

Mike Vranos

30,500 $827 0.05%
3.
BlueCrest Capital Mgmt.

Michael Platt And William Reeves

50,554 $1,370 0.04%
4.
Marshall Wace LLP

Paul Marshall And Ian Wace

311,499 $8,442 0.04%
5. 1,119,656 $30,343 +92% 0.03%
Insider Trading: Purchases See All
Insider Price Amount Relationship Remaining Holdings Date Form 4
$13.63 26,000 Officer 73,949 2017-12-15 Filing
$13.50 14,850 Officer 52,217 2017-12-15 Filing
$13.76 24,429 Officer 70,690 2017-12-15 Filing
$13.68 27,000 Officer 113,595 2017-12-15 Filing
$13.05 18,176 Officer 47,949 2017-12-14 Filing
Insider Trading: Sales See All
Insider Price Amount Relationship Remaining Holdings Date Form 4
$22.50 667 Officer, Director 90,725 2018-06-19 Filing
$22.74 57,028 Officer, Director 91,392 2018-06-18 Filing
$23.95 8,133 Director 22,500 2018-06-04 Filing
$5.02 12,500 Officer 53,935 2017-08-11 Filing
$8.17 1,618 Officer 28,085 2016-11-16 Filing
Institutional Investors' Holdings
Filing Period:
No. Name Shares Value (x$1000) % Port
1. 166,613 $4,515 0.62%
2. 374,858 $10,159 0.57%
3. 130,800 $3,544 0.22%
4. 30,225 $819 0.21%
5. 29,260 $793 0.11%