Zhang ShaoHua

Insider CIK 1847884 · IO Director

Track record

See how this insider's past purchases performed 30 and 90 days later, and a conviction score on each buy.

Ticker	Code	Trade	Filed	Shares	Price	Value	Owned after
IO ION GEOPHYSICAL CORP	A Award	2022-03-01	2022-03-03	2,500	—	$0	4,623	SEC↗
IO ION GEOPHYSICAL CORP	F Tax w/h	2022-03-01	2022-03-03	750	$0.58	$435	2,123	SEC↗
IO ION GEOPHYSICAL CORP	A Award	2021-03-01	2021-03-03	2,500	—	$0	2,873	SEC↗
IO ION GEOPHYSICAL CORP	F Tax w/h	2021-03-01	2021-03-03	160	$3.04	$486	373	SEC↗
IO ION GEOPHYSICAL CORP	A Award	2021-03-01	2021-03-03	533	—	$0	533	SEC↗