Arkolith/Insider Trading/IO/Form 4

Rodermund Sheila M

EVP, Operations OptimizationION GEOPHYSICAL CORP (IO) · full profile →Form 4 · filed Apr 21, 2021
No Open-Market Flow
Open-Market Buys
$0
Open-Market Sells
$0
Net Open-Market Flow
$0
Transactions
3
2 non-derivative · 1 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Apr 20, 2021Option exercise(X)1K$2.57$3K5K
Apr 19, 2021Tax withholding(F)594$2.16$1K4K

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
Apr 20, 2021Option exercise(X)1K—$00

Transaction Codes

X
Exercise of in-the-money derivative
F
Shares withheld for taxes

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001209191-21-027900) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML