SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person* Hough Kevin (Last) (First) (Middle) 24275 KATY FREEWAY SUITE 600 (Street) KATY TX 77494 (City) (State) (Zip)	2. Date of Event Requiring Statement (Month/Day/Year) 10/20/2023	3. Issuer Name and Ticker or Trading Symbol U.S. SILICA HOLDINGS, INC. [ SLCA ]
		4. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director 10% Owner X Officer (give title below) Other (specify below) EVP & Chief Financial Officer	5. If Amendment, Date of Original Filed (Month/Day/Year)
			6. Individual or Joint/Group Filing (Check Applicable Line) X Form filed by One Reporting Person Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock	37,140(1)	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Employee Stock Option (Right to Buy)	03/02/2018	03/02/2025	Common Stock	915	32.41	D
Employee Stock Option (Right to Buy)	06/01/2018	06/01/2025	Common Stock	2,456	30.85	D

Explanation of Responses:

1. Includes (i) 1,975 Restricted Stock Units granted on February 12, 2021 which will vest on February 12, 2024, (ii) 1,725 Restricted Stock Units granted on December 29, 2021 which will vest as follows: 862 shares on December 29, 2023 and 863 shares on December 29, 2024, (iii) 3,568 Restricted Stock Units granted on February 10, 2022 which will vest as follows: 1,784 shares on each of February 10, 2024 and February 10, 2025, and (iv) 4,688 Restricted Stock Units granted on February 9, 2023 which will vest in three equal installments on the anniversaries of the grant date.

Remarks:

	/s/ Stacy Russell, as Attorney-in-Fact	10/26/2023
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
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