W. Howard Keenan JR - Aug 23, 2021 Form 4 Insider Report for Solaris Oilfield Infrastructure, Inc. (SOI)

Role: Director
Signature: /s/ Cynthia M. Durrett, as attorney-in-fact for W. Howard Keenan, Jr.
Stock symbol: SOI
Transactions as of: Aug 23, 2021
Transactions value $: $0
Form type: 4
Date filed: 8/25/2021, 07:22 PM
Previous filing: Jul 16, 2021
Next filing: Aug 30, 2021

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	SOI	Class A Common Stock	Award	$0	+15.7K	+47.89%	$0.00	48.4K	Aug 23, 2021	Direct	F1
holding	SOI	Class B Common Stock						8.05M	Aug 23, 2021	See Footnote	F2, F3, F4

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
holding	SOI	Solaris Oilfield Infrastructure, LLC Units						8.05M	Aug 23, 2021	Class A Common Stock	8.05M		See Footnote	F4, F5

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Restricted Stock Award pursuant to the Solaris Oilfield Infrastructure, Inc. Long Term Incentive Plan. The award vests in full on the first anniversary of the grant date.
F2	Each share of Class B common stock has no economic rights but entitles its holder to one vote on all matters to be voted on by stockholders generally.
F3	The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for Section 16 or any other purpose.
F4	These securities are owned directly by Yorktown Energy Partners X, L.P., a Delaware limited partnership ("Yorktown X"). The reporting person is a member and manager of Yorktown X Associates LLC, the general partner of Yorktown X Company LP, the general partner of Yorktown X.
F5	Subject to the terms of the Second Amended and Restated Limited Liability Company Agreement of Solaris Oilfield Infrastructure, LLC ("Solaris LLC"), dated as of May 11, 2017, included as Exhibit 10.1 to the Issuer's Current Report on Form 8-K filed May 17, 2017, the units in Solaris LLC (together with a corresponding number of shares of Class B common stock) are exchangeable from time to time for shares of Class A common stock of the Issuer.