Form Type: 4

SEC EDGAR Link
Accession Number:0001209191-21-024757
Date:2021-04-01
Issuer: U.S. SILICA HOLDINGS, INC. (SLCA)
Original Submission Date:

Reporting Person:

MERRIL DONALD A
C/O US SILICA HOLDINGS INC.
24275 KATY FREEWAY SUITE 600 KATY, TX 77494

Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
Title of SecurityTransaction Date2a. Deemed Execution Date Transaction CodeSharesAcquired or DisposedPrice per share 5. Amount of Securities Beneficially Owned Following Reported Transaction 6. Ownership Form Direct or IndirectNature of Indirect Ownership
COMMON STOCK 2021-04-01 M 4,226 a $0.00 205,758 direct
COMMON STOCK 2021-04-01 F 1,663 d $13.02 204,095 direct
Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, convertible securities
Title of Derivative Security Conversion or Exercise Price of Derivative Security Transaction Date Deemed Execution Date Transaction Code Number of Derivative Securities Acquired (A) or Disposed of (D) Date ExercisableExpiration Date Title and Amount of Securities Underlying Derivative Security Price of Derivative Security Number of derivative Securities Beneficially Owned Following Reported Transaction(s) Ownership Form: Direct (D) or Indirect (I) Nature of Indirect Beneficial Ownership
RESTRICTED STOCK 0.0 2021-04-01 deemed execution date M 4,226 (d) common stock 4,226 $0.00 0 direct
Footnotes
IDfootnote
f1 scheduled vesting of restricted stock units granted on april 1, 2018.
f2 represents tax withholding on vested restricted stock units.
f3 includes (i) 11,619 restricted stock units granted on february 12, 2019 which will vest on february 12, 2022; (ii) 53,763 restricted stock units granted on february 6, 2020 which will vest in equal installments on february 6, 2022 and 2023; and (iii) 51,136 restricted stock units granted on february 12, 2021 which will vest in three equal installments on the anniversary of the grant date.
f4 each restricted stock unit represents a contingent right to receive one share of common stock upon vesting of the unit.
f5 restricted stock units granted on april 1, 2018 and vesting in three equal installments on the anniversaries of the grant date.
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