SEC Form 4 · accession 0001209191-17-024713
U.S. SILICA HOLDINGS, INC. · SLCA
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Bradford B Casper
Officer — EVP & Chief Commercial Officer
Period of report
Mar 31, 2017
Accepted (ET)
Apr 4, 2017 · 4:12 pm EDT
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 | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common StockF1 | Mar 31, 2017 | M | 9,878 | $47.99 | A | 24,251 | D | |
| Common Stock | Mar 31, 2017 | F | 4,637 | $47.99 | D | 19,614 | D |
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Restricted Stock UnitsF3,F4 | — | Mar 31, 2017 | M | 9,878 | D | — | — | Common Stock | 9,878 | 19,756 | D |
| Restricted Stock UnitsF3,F5 | — | Apr 1, 2017 | A | 7,821 | A | — | — | Common Stock | 7,821 | 7,821 | D |
Explanation of responses
- F1Scheduled vesting of restricted stock units granted March 31, 2016.
- F2Tax withholding on vested restricted stock units.
- F3Each restricted stock unit represents a contingent right to receive one share of common stock upon vesting of the unit.
- F4Restricted Stock Units granted March 31, 2016 and vesting in three equal installments on the anniversary date of the grant.
- F5One-third of the restricted stock units are scheduled to vest on each of April 1, 2018, April 1, 2019 and April 1, 2020.