William A. Zartler - 01 Mar 2023 Form 4 Insider Report for Solaris Oilfield Infrastructure, Inc. (SEI)

Role: Chairman and CEO, Director, 10%+ Owner
Signature: /s/ Cynthia M. Durrett, as attorney-in-fact for William A. Zartler
Issuer symbol: SEI
Transactions as of: 01 Mar 2023
Net transactions value: -$339,653
Form type: 4
Filing time: 03 Mar 2023, 17:24:05 UTC
Previous filing: 19 Dec 2022
Next filing: 10 Mar 2023
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	SOI	Class A Common Stock	Award	$0	+150,000	+28%	$0.000000	688,175	01 Mar 2023	Direct	F1
transaction	SOI	Class A Common Stock	Tax liability	$339,653	-38,035	-5.5%	$8.93	650,140	01 Mar 2023	Direct	F2, F3
holding	SOI	Class B Common Stock						726,819	01 Mar 2023	Direct	F4
holding	SOI	Class B Common Stock						3,513,496	01 Mar 2023	See Footnote	F4, F5

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						726,819	01 Mar 2023	Class A Common Stock	726,819		Direct	F6
holding	SOI	Solaris Oilfield Infrastructure, LLC Units						3,513,496	01 Mar 2023	Class A Common Stock	3,513,496		See Footnote	F5, F6

* 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 333,446 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	Represents shares held by Solaris Energy Capital. The Reporting Person is the sole member of Solaris Energy Capital and has the authority to vote or dispose of the shares held by Solaris Energy Capital in his sole discretion. The Reporting Person disclaims beneficial ownership of the shares held by Solaris Energy Capital in excess of his pecuniary interest therein.
F6	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.