Bryan Adair Shinn - 20 Dec 2021 Form 4 Insider Report for U.S. SILICA HOLDINGS, INC. (SLCA)

Signature
/s/ Stacy Russell, as Attorney-in-Fact
Issuer symbol
SLCA
Transactions as of
20 Dec 2021
Net transactions value
-$1,158,360
Form type
4
Filing time
22 Dec 2021, 19:56:12 UTC
Next filing
14 Feb 2022

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction SLCA Common Stock Award $0 +72,294 +8.6% $0.000000 914,281 20 Dec 2021 Direct F1
transaction SLCA Common Stock Award $0 +55,713 +6.1% $0.000000 969,994 20 Dec 2021 Direct F2
transaction SLCA Common Stock Tax liability $1,158,360 -126,874 -13% $9.13 843,120 20 Dec 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 72,294 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 55,713 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.