SEC Form 4 · accession 0001209191-15-021141

ION GEOPHYSICAL CORP · IO

Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗

Reporting owner

Officer — President & CEO · Director

Period of report

Mar 1, 2015

Accepted (ET)

Mar 3, 2015 · 3:57 pm EST

Rule 10b5-1 plan

unknown — predates the checkbox

Issuer CIK

0000866609

Table I — non-derivative securities

Security	Date	Code	Shares	Price	A/D	Owned after	D/I	Nature of ownership
Common Stock^F1	Mar 1, 2015	A	129,237	$0.00	A	342,563	D
Common Stock^F2	Mar 1, 2015	F	9,789	$2.28	D	332,774	D
Common Stock	holding	—	—		—	10,000	I	Shares held by spouse

Security	Conv. / exercise price	Date	Code	Shares	A/D	Exercisable	Expires	Underlying	Underlying shares	Owned after	D/I
Employee Stock Option (right to buy)^F3	$2.28	Mar 1, 2015	A	193,855	A	Mar 1, 2016	Mar 1, 2025	Common Stock	193,855	193,855	D
Stock Appreciation Right^F4	$2.28	Mar 1, 2015	A	803,365	A	—	Mar 1, 2025	Common Stock	803,365	803,365	D

F1Restricted Stock grant issued pursuant to the ION Geophysical Corporation 2013 Long Term Incentive Plan. Shares will vest in three equal annual installments beginning the first anniversary of the transaction date in Column 2.
F2Payment of tax liability by delivering or withholding shares incident to the vesting of restricted stock.
F3Issued pursuant to the ION Geophysical Corporation 2013 Long Term Incentive Plan and become exercisable in four equal annual installments beginning on the date specified in Column 6.
F4Issued pursuant to the ION Geophysical Corporation Stock Appreciation Rights Plan. The SARs will vest in one-third increments upon the achievement of performance targets set at 20%, 25% and 30% appreciation of the 20-day volume weighted average price per share over the exercise price of the SAR. No SARs can be exercised prior to the first anniversary of the grant date. Beginning on the first anniversary date, SARs can be exercised up to one-third per year.