4//SEC Filing
Williamson Ken 4
Accession 0001209191-21-001051
CIK 0000866609other
Filed
Jan 4, 7:00 PM ET
Accepted
Jan 5, 4:21 PM ET
Size
5.0 KB
Accession
0001209191-21-001051
Insider Transaction Report
Form 4
Williamson Ken
SVP, ISS
Transactions
- Other
Common Stock
2020-12-31−533→ 164,108 total
Footnotes (1)
- [F1]On December 31, 2020, Mr. Williamson surrendered 533 shares of Common Stock to the Issuer that were held at the transfer agent. This was not a sale or an open market transaction. This was done by Mr. Williamson for year-end tax planning purposes.
Documents
Issuer
ION GEOPHYSICAL CORP
CIK 0000866609
Entity typeother
Related Parties
1- filerCIK 0001507574
Filing Metadata
- Form type
- 4
- Filed
- Jan 4, 7:00 PM ET
- Accepted
- Jan 5, 4:21 PM ET
- Size
- 5.0 KB