Cynthia M. Durrett - Mar 1, 2023 Form 4 Insider Report for Solaris Oilfield Infrastructure, Inc. (SOI)

Role: Chief Administrative Officer, Director
Signature: /s/ Cynthia M. Durrett
Stock symbol: SOI
Transactions as of: Mar 1, 2023
Transactions value $: -$77,664
Form type: 4
Date filed: 3/3/2023, 05:33 PM
Previous filing: May 6, 2022
Next filing: Aug 4, 2023

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	SOI	Class A Common Stock	Award	$0	+42.4K	+50.05%	$0.00	127K	Mar 1, 2023	Direct	F1
transaction	SOI	Class A Common Stock	Tax liability	-$77.7K	-8.7K	-6.84%	$8.93	118K	Mar 1, 2023	Direct	F2, F3
holding	SOI	Class B Common Stock						165K	Mar 1, 2023	Direct	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						165K	Mar 1, 2023	Class A Common Stock	165K		Direct	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 three equal annual installments on the first three anniversaries of the grant date.
F2	Represents shares withheld by the Company to satisfy tax withholding obligations upon the vesting of previously granted Restricted Stock Awards.
F3	Includes 84,023 shares of Class A common stock subject to previously granted Restricted Stock Awards that remain subject to vesting.
F4	Each share of Class B common stock has no economic rights but entitles the holder to one vote on all matters to be voted on by the stockholders generally.
F5	Subject to the terms of the Solaris LLC Agreement, the Solaris LLC Units (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.