Cynthia M. Durrett - Mar 1, 2024 Form 4 Insider Report for Solaris Oilfield Infrastructure, Inc. (SOI)

Role: CHIEF ADMINISTRATIVE OFFICER, Director
Signature: /s/ Christopher M. Powell, Attorney-in-Fact
Stock symbol: SOI
Transactions as of: Mar 1, 2024
Transactions value $: -$85,056
Form type: 4
Date filed: 3/5/2024, 06:40 PM
Previous 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	+58.9K	+53.06%	$0.00	170K	Mar 1, 2024	Direct	F1, F2
transaction	SOI	Class A Common Stock	Tax liability	-$85.1K	-10K	-5.91%	$8.47	160K	Mar 1, 2024	Direct	F3, F4
holding	SOI	Class B Common Stock						165K	Mar 1, 2024	Direct

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, 2024	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	Includes 57,523 shares from Restricted Stock Award granted pursuant to the Solaris Oilfield Infrastructure, Inc. Long Term Incentive Plan on the date indicated. The award vests in three equal installments on the first three anniversaries of the grant date.
F2	Includes 1,388 shares vested from Performance-Based Restricted Stock Unit (PSU) Agreement pursuant to the Solaris Oilfield Infrastructure, Inc. Long Term Incentive Plan. The PSUs, which were originally granted on March 1, 2023, vested based on the issuer's level of achievement with respect to relative total stockholder return during the applicable performance period (which began on January 1, 2023 and ended on December 31, 2023).
F3	Represents shares withheld by the Company to satisfy tax withholding obligations upon the vesting of previously granted Restricted Stock Awards and Performance-Based Restricted Stock Awards.
F4	Includes 101,701 shares of Class A common stock subject to previously granted Restricted Stock Awards that remain subject to vesting.
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.