Stacy Russell - 10 Feb 2022 Form 4 Insider Report for U.S. SILICA HOLDINGS, INC. (SLCA)

Role: SVP General Counsel
Signature: /s/ Stacy Russell
Issuer symbol: SLCA
Transactions as of: 10 Feb 2022
Net transactions value: $0
Form type: 4
Filing time: 14 Feb 2022, 18:08:11 UTC
Previous filing: 22 Dec 2021
Next filing: 16 May 2022
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	SLCA	Common Stock	Award	$0	+30,874	+28%	$0.000000	139,866	10 Feb 2022	Direct	F1, F2

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

Explanation of Responses:

Id	Content
F1	Represents restricted stock units granted on February 10, 2022 which will vest in three equal installments on the anniversary of the grant date.
F2	Includes (i) 1,043 restricted stock units granted on May 15, 2019 which will vest on May 15, 2022; (ii) 13,441 restricted stock units granted on February 6, 2020 which will vest on February 6, 2023; (iii) 33,333 restricted stock units granted on August 12, 2020 which will vest in equal installments on August 12, 2022 and 2023; (iv) 22,500 restricted stock units granted on February 12, 2021 which will vest in equal installments on February 12, 2023 and 2024; and (v) 30,874 restricted stock units granted on February 10, 2022 which will vest in three equal installments on the anniversary of the grant date.

Content

Represents restricted stock units granted on February 10, 2022 which will vest in three equal installments on the anniversary of the grant date.

Includes (i) 1,043 restricted stock units granted on May 15, 2019 which will vest on May 15, 2022; (ii) 13,441 restricted stock units granted on February 6, 2020 which will vest on February 6, 2023; (iii) 33,333 restricted stock units granted on August 12, 2020 which will vest in equal installments on August 12, 2022 and 2023; (iv) 22,500 restricted stock units granted on February 12, 2021 which will vest in equal installments on February 12, 2023 and 2024; and (v) 30,874 restricted stock units granted on February 10, 2022 which will vest in three equal installments on the anniversary of the grant date.