ION GEOPHYSICAL CORP·4

Dec 19, 6:15 PM ET

Usher Christopher Theron 4

4 · ION GEOPHYSICAL CORP · Filed Dec 19, 2017

Insider Transaction Report

Form 4
Period: 2017-12-15
Usher Christopher Theron
EVP & COO, GeoScience
Transactions
  • Disposition to Issuer

    Common Stock

    2017-12-15$13.05/sh100,000$1,305,00037,367 total
  • Purchase

    Common Stock

    2017-12-15$13.50/sh+14,850$200,47552,217 total
  • Exercise/Conversion

    Common Stock

    2017-12-15$3.10/sh+100,000$310,000137,367 total
  • Exercise/Conversion

    Stock Appreciation Right

    2017-12-15100,00050,000 total
    Exercise: $3.10From: 2017-03-01Exp: 2026-03-01Common Stock (100,000 underlying)
Footnotes (2)
  • [F1]Exercise of cash-settled SARs. In accordance with the rules for filing Form 4, the exercise of cash-settled SARs is treated as the simultaneous purchase of the number of shares for which SARs are exercised and the sale of the same number of shares. No shares actually changed hands.
  • [F2]Compensation Committee approved acceleration of the vesting of the second tranche on 12/13/2017. Final tranche to vest as scheduled on 03/01/2019.

Documents

1 file
  • 4
    doc4.xmlPrimary

    FORM 4 SUBMISSION