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4//SEC Filing

Williamson Ken 4

Accession 0001209191-18-034709

CIK 0000866609other

View on SEC.gov Company Profile

Filed

May 31, 8:00 PM ET

Accepted

Jun 1, 4:45 PM ET

Size

4.8 KB

Accession

0001209191-18-034709

Insider Transaction Report

Form 4

Period: 2018-05-30

ION GEOPHYSICAL CORPIO

SVP, ISS

Transactions

Tax Payment
New Common Stock
2018-05-30$23.80/sh−3,477$82,753→ 77,507 total

Footnotes (1)

[F1]These shares were withheld upon the vesting of restricted stock shares to pay tax withholding obligations.

Documents

1 file

4
doc4.xmlPrimary
FORM 4 SUBMISSION

Issuer

ION GEOPHYSICAL CORP

CIK 0000866609

Entity typeother

Related Parties

1

filerCIK 0001507574

Filing Metadata

Form type: 4
Filed: May 31, 8:00 PM ET
Accepted: Jun 1, 4:45 PM ET
Size: 4.8 KB

View on SEC.gov