FilingIndex
SC 13DThe Stakes

GEOSPACE TECHNOLOGIES CORP files SC 13D

Filed Dec 15, 1997 · 28y ago · Accession 0000950134-97-009335

Plain English

Activist stake — an investor has acquired more than 5% with intent to influence.

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Filing details
Ticker
GEOS
CIK
1001115
Form type
SC 13D
Filing date
Dec 15, 1997
Report date
Document
Size
29 KB