SEC Form 4 · accession 0000899243-19-003801

U.S. SILICA HOLDINGS, INC. · SLCA

Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗

Reporting owner

Officer — EVP & Chief Commercial Officer

Period of report

Nov 5, 2018

Accepted (ET)

Feb 14, 2019 · 9:17 pm EST

Rule 10b5-1 plan

unknown — predates the checkbox

Issuer CIK

0001524741

Table I — non-derivative securities

Security	Date	Code	Shares	Price	A/D	Owned after	D/I
Common Stock^F1	Nov 5, 2018	M	12,048	—	A	30,600	D
Common Stock	Nov 5, 2018	F	5,343	$14.38	D	25,257	D
Common Stock	Feb 12, 2019	A	45,314	$0.00	A	70,571	D
Common Stock	Feb 12, 2019	A	22,637	$12.91	A	93,208	D
Common Stock	Feb 12, 2019	F	10,325	$12.91	D	82,883	D

Security	Conv. / exercise price	Date	Code	Shares	A/D	Exercisable	Expires	Underlying	Underlying shares	Owned after	D/I
Restricted Stock Units^F6,F7	—	Nov 5, 2018	M	12,048	D	—	—	Common Stock	12,048	0	D

F1Scheduled vesting of restricted stock units granted on November 5, 2015.
F2Represents tax withholding on vested restricted stock units.
F3Represents restricted stock granted on February 12, 2019 which will vest in three equal installments on the anniversaries of the grant date.
F4On March 31, 2016, the reporting person was granted performance-based restricted stock units subject to vesting based on the attainment of pre-established objective financial goals, business unit performance objectives and individual personal performance objectives. Certain performance criteria for 2018 were met, resulting in vesting of the grant as to 22,637 shares of the issuer's common stock on February 12, 2019.
F5Represents tax withholding on vested performance-based stock.
F6Each restricted stock unit represents a contingent right to receive one share of common stock upon vesting of the unit.
F7Restricted Stock Units granted on November 5, 2015 and vesting in three equal installments on the anniversaries of the grant date.