1. Corporate Officers - H
2. Hollek Darrell E

Insider Trading History of Hollek Darrell E

The following table details the insider trading activities (stock purchases, stock sales, and stock option exercises) of Hollek Darrell E since 2015. This trader's CIK number is 1640299. At the time of last reporting, Hollek Darrell E was the Director of Oil States International, Inc. (stock ticker symbol OIS). Also see all insider trading activities at Oil States International, Inc.

Note that in the past Hollek Darrell E also reported insider trading activities as an insider of the following companies:

Yearly summary of insider trading at Anadarko Petroleum Corp (APC) by Hollek Darrell E

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2017	APC	0	$0	0	$0	25,762	$0
2016	APC	0	$0	0	$0	10,016	$0
2015	APC	0	$0	0	$0	5,787	$0

Yearly summary of insider trading at Western Gas Partners Lp (WES) by Hollek Darrell E

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2015	WES	80	$4,301	0	$0	0	$0

Yearly summary of insider trading at Oil States International, Inc (OIS) by Hollek Darrell E

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2026	OIS	0	$0	42,511	$493,552	0	$0

Insider trading activities at 3 companies by Hollek Darrell E:

1. Anadarko Petroleum Corp (APC)

2. Western Gas Partners Lp (WES)

3. Oil States International, Inc (OIS)

Table 1. Insider trading of Anadarko Petroleum Corp (APC) by Hollek Darrell E

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2017-04-27	APC	Option Ex	25,762	.00	0
2016-11-06	APC	Option Ex	3,146	.00	0
2016-04-27	APC	Option Ex	6,870	.00	0
2015-11-06	APC	Option Ex	3,147	.00	0
2015-11-05	APC	Option Ex	2,640	.00	0

Table 2. Insider trading of Western Gas Partners Lp (WES) by Hollek Darrell E

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2015-07-09	WES	Buy	33	63.46	2,094
2016-01-15	WES	Buy	47	46.96	2,207

Table 3. Insider trading of Oil States International, Inc (OIS) by Hollek Darrell E

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2026-03-31	OIS	Sale	42,511	11.61	493,552

Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Hollek Darrell E (Director of Oil States International, Inc at the time of this reporting) see the Securities and Exchange Commission (SEC) website.

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