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ZIEGLER WILLIAM R
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Filings
Date Filed
Type
Description
02/10/2011
5
Form 5 - Annual statement of changes in beneficial ownership of securities
11/14/2001
SC 13D/A
Form SC 13D/A - General statement of acquisition of beneficial ownership: [Amend]
11/13/2001
SC 13D/A
ZIEGLER WILLIAM R reports a 14% stake in FLOTEK INDUSTRIES INC.
11/29/2000
SC 13D/A
ZIEGLER WILLIAM R reports a 14.2% stake in Flotek Industries Inc.
11/17/2000
SC 13D/A
ZIEGLER WILLIAM R reports a 28.9% stake in Flotek Industries Inc.
10/30/1997
SC 13D/A
ZIEGLER WILLIAM R reports a 64.6% stake in Geokinetics Inc.
05/05/1997
SC 13D
ZIEGLER WILLIAM R reports a 9.2% stake in Geokinetics Inc.
02/14/1997
SC 13G/A
ZIEGLER WILLIAM R reports a 5.6% stake in Falcon Drilling Company, Inc.
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