1. Corporate Officers - W
2. Wilks Staci

Insider Trading History of Wilks Staci

The following table details the insider trading activities (stock purchases, stock sales, and stock option exercises) of Wilks Staci since 2020. This trader's CIK number is 1641796. At the time of last reporting, Wilks Staci was the Officer of Solaris Oilfield Infrastructure, Inc.. (stock ticker symbol SOI). Also see all insider trading activities at Solaris Oilfield Infrastructure, Inc..

Note that in the past Wilks Staci also reported insider trading activities as an insider of the following companies:

Yearly summary of insider trading at Solaris Oilfield Infrastructure, Inc. (SOI) by Wilks Staci

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2023	SOI	0	$0	40,000	$324,799	0	$0

Yearly summary of insider trading at Fts International, Inc. (FTSI) by Wilks Staci

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2020	FTSI	876,280	$13,435,314	0	$0	0	$0

Yearly summary of insider trading at U.s. Well Services Holdings, Llc (USWS) by Wilks Staci

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2021	USWS	200,909	$200,909	0	$0	0	$0

Insider trading activities at 3 companies by Wilks Staci:

1. Solaris Oilfield Infrastructure, Inc. (SOI)

2. Fts International, Inc. (FTSI)

3. U.s. Well Services Holdings, Llc (USWS)

Table 1. Insider trading of Solaris Oilfield Infrastructure, Inc. (SOI) by Wilks Staci

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2023-12-08	SOI	Sale	40,000	8.12	324,799

Table 2. Insider trading of Fts International, Inc. (FTSI) by Wilks Staci

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2020-11-20	FTSI	Buy	351,564	13.97	4,913,106
2020-11-24	FTSI	Buy	158,974	17.08	2,714,957
2020-11-23	FTSI	Buy	365,742	15.88	5,807,251

Table 3. Insider trading of U.s. Well Services Holdings, Llc (USWS) by Wilks Staci

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2021-06-30	USWS	Buy	200,909	1.00	200,909

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 Wilks Staci (Officer of Solaris Oilfield Infrastructure, Inc. at the time of this reporting) see the Securities and Exchange Commission (SEC) website.

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