Michael L. Winkler - Dec 20, 2021 Form 4 Insider Report for U.S. SILICA HOLDINGS, INC. (SLCA)

Role
EVP & Chief Operating Officer
Signature
/s/ Stacy Russell, as Attorney-in-Fact
Stock symbol
SLCA
Transactions as of
Dec 20, 2021
Transactions value $
-$411,900
Form type
4
Date filed
12/22/2021, 07:54 PM
Next filing
Feb 14, 2022

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction SLCA Common Stock Award $0 +26.9K +8.46% $0.00 344K Dec 20, 2021 Direct F1
transaction SLCA Common Stock Award $0 +20.7K +6.01% $0.00 365K Dec 20, 2021 Direct F2
transaction SLCA Common Stock Tax liability -$412K -45.1K -12.36% $9.13 320K Dec 20, 2021 Direct F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 On February 12, 2019, the reporting person was granted performance-based restricted stock units subject to vesting based on the attainment of certain pre-established objectives. Certain performance criteria were met, resulting in vesting of the grant as to 26,852 shares of the issuer's common stock on December 20, 2021.
F2 On February 12, 2019, the reporting person was granted performance-based restricted stock units subject to vesting based on the attainment of certain pre-established objectives. Certain performance criteria were met, resulting in vesting of the grant as to 20,694 shares of the issuer's common stock on December 20, 2021.
F3 Represents tax withholding on vested restricted stock units and vested performance-based restricted stock units.