| Date Filed | Type | Description |
| 05/13/2022 |
4
| Form 4 - Statement of changes in beneficial ownership of securities: |
| 12/03/2021 |
4
| Form 4 - Statement of changes in beneficial ownership of securities: |
| 05/13/2021 |
4
| Form 4 - Statement of changes in beneficial ownership of securities: |
| 04/21/2021 |
4
| Form 4 - Statement of changes in beneficial ownership of securities: |
| 01/05/2021 |
4
| Form 4 - Statement of changes in beneficial ownership of securities: |
| 03/05/2019 |
4
| Williamson Ken (EVP&COO, E&P TECHNO & SERVICES) has filed a Form 4 on ION GEOPHYSICAL CORP|
Txns:
| Paid exercise price by delivering 2,296 shares
@ $13.16, valued at
$30.2k
|
|
| 12/04/2018 |
4
| Williamson Ken (EVP&COO, E&P TECHNO & SERVICES) has filed a Form 4 on ION GEOPHYSICAL CORP|
Txns:
| Granted 89,430 shares
@ $0
Granted 95,435 rights
@ $8.85, valued at
$844.6k
|
|
| 06/01/2018 |
4
| Williamson Ken (EVP&COO, E&P TECHNO & SERVICES) has filed a Form 4 on ION GEOPHYSICAL CORP|
Txns:
| Paid exercise price by delivering 3,477 shares
@ $23.8, valued at
$82.8k
|
|
| 03/02/2018 |
4
| Williamson Ken (EVP&COO, E&P TECHNO & SERVICES) has filed a Form 4 on ION GEOPHYSICAL CORP|
Txns:
| Granted 8,835 shares
@ $0
Paid exercise price by delivering 1,800 shares
@ $28.1, valued at
$50.6k
|
|
| 12/19/2017 |
4
| Williamson Ken (EVP&COO, E&P TECHNO & SERVICES) has filed a Form 4 on ION GEOPHYSICAL CORP|
Txns:
| Bought 26,000 shares
@ $13.6267, valued at
$354.3k
Disposed/sold 100,000 shares
@ $13.05, valued at
$1.3M
Exercised 100,000 rights
@ $3.1, valued at
$310k
|
|
| 12/18/2017 |
4
| Williamson Ken (EVP&COO, E&P TECHNO & SERVICES) has filed a Form 4 on ION GEOPHYSICAL CORP|
Txns:
| Bought 18,176 shares
@ $13.05, valued at
$237.2k
|
|
| 12/02/2016 |
4
| Form 4 - Statement of changes in beneficial ownership of securities |
| 03/03/2016 |
4
| Form 4 - Statement of changes in beneficial ownership of securities |
| 12/03/2013 |
4
| Williamson Ken (EVP & COO, GeoVentures) has filed a Form 4 on ION GEOPHYSICAL CORP|
Txns:
| Granted 20,000 shares
@ $0
Paid exercise price by delivering 912 shares
@ $3.86, valued at
$3.5k
Paid exercise price by delivering 1,368 shares
@ $3.86, valued at
$5.3k
|
|
| 12/04/2012 |
4
| Williamson Ken (EVP & COO, GeoVentures) has filed a Form 4 on ION GEOPHYSICAL CORP|
Txns:
| Granted 15,000 shares
@ $0
Paid exercise price by delivering 1,323 shares
@ $5.96, valued at
$7.9k
Paid exercise price by delivering 529 shares
@ $5.96, valued at
$3.2k
Paid exercise price by delivering 882 shares
@ $5.96, valued at
$5.3k
|
|
| 12/05/2011 |
4
| Williamson Ken (SVP, GeoVentures) has filed a Form 4 on ION GEOPHYSICAL CORP|
Txns:
| Granted 15,000 shares
@ $0
Paid exercise price by delivering 353 shares
@ $5.81, valued at
$2.1k
Paid exercise price by delivering 529 shares
@ $5.81, valued at
$3.1k
Paid exercise price by delivering 882 shares
@ $5.81, valued at
$5.1k
Granted 50,000 options to buy
@ $5.81, valued at
$290.5k
|
|
| 08/19/2011 |
3/A
| Williamson Ken (SVP, ISS) has filed a Form 3/A on ION GEOPHYSICAL CORP |
| 12/23/2010 |
3/A
| Williamson Ken (SVP, ISS) has filed a Form 3/A on ION GEOPHYSICAL CORP |
| 12/23/2010 |
3
| Williamson Ken (SVP, ISS) has filed a Form 3 on ION GEOPHYSICAL CORP |