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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. 582,946 $2,536 0.08%
2.
Algert Coldiron Investors

Peter Algert And Kevin Coldiron

33,359 $145 -23% 0.04%
3. 232,782 $1,013 -1% 0%
4. 71,880 $313 0%
Insider Trading: Purchases See All
Insider Price Amount Relationship Remaning Holdings Date Form 4
$6.80 107 Large Shareholder, Director 979,816 2016-12-22 Filing
$6.69 10,500 Large Shareholder, Director 979,709 2016-12-21 Filing
$7.08 11,000 Large Shareholder, Director 969,209 2016-12-20 Filing
$7.16 10,800 Large Shareholder, Director 958,209 2016-12-19 Filing
$6.48 5,400 Large Shareholder, Director 947,409 2016-11-08 Filing
Insider Trading: Sales See All
Insider Price Amount Relationship Remaining Holdings Date Form 4
$5.02 12,500 Officer 53,935 2017-08-11 Filing
$8.17 1,618 Officer 28,085 2016-11-16 Filing
$4.81 10,000 Director 93,895 2013-09-13 Filing
$6.00 25,000 Officer 47,637 2013-06-13 Filing
$6.02 9,469 Officer 47,637 2013-06-12 Filing
Institutional Investors' Holdings
Filing Period:
No. Name Shares Value (x$1000) % Port
1. 1,500 $7 0%
2. 661 $6 0%
3. 23,592 $224 0%
4. 25 $0 0%