SEC Form 4 · accession 0001104659-19-012628
Summit Materials, Inc. · SUM
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Thomas W. Hill
Officer — President & CEO · Director
Period of report
Feb 28, 2019
Accepted (ET)
Mar 4, 2019 · 7:59 pm EST
Rule 10b5-1 plan
unknown — predates the checkbox
Issuer CIK
0001621563
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Class A Common StockF1 | Feb 28, 2019 | M | 10,252 | — | A | 156,640 | D | |
| Class A Common StockF1 | Feb 28, 2019 | M | 17,252 | — | A | 173,892 | D | |
| Class A Common Stock | Feb 28, 2019 | F | 6,698 | $17.00 | D | 167,194 | D | |
| Class A Common StockF2 | holding | — | — | — | 365 | I | See Footnote |
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 | — | Feb 28, 2019 | M | 10,252 | D | — | — | Class A Common Stock | 10,252 | 10,252 | D |
| Restricted Stock UnitsF3,F5 | — | Feb 28, 2019 | M | 17,252 | D | — | — | Class A Common Stock | 17,252 | 34,505 | D |
| Restricted Stock UnitsF3,F6 | — | Feb 28, 2019 | A | 105,537 | A | — | — | Class A Common Stock | 105,537 | 105,537 | D |
Explanation of responses
- F1Reflects restricted stock units that upon vesting converted into shares of Class A common stock of the Issuer ("Class A Common Stock") on a one-for-one basis.
- F2Reflects securities held by a trust for the benefit of Mr. Hill's family, for which Mr. Hill's spouse serves as trustee.
- F3Each restricted stock unit represents a contingent right to receive one share of Issuer Class A Common Stock. The restricted stock units will be settled in either Class A Common Stock or cash (or a combination thereof) at the discretion of the Issuer's compensation committee.
- F4On February 28, 2017, the Reporting Person was granted 30,757 restricted stock units that vest in three equal annual installments beginning on February 28, 2018.
- F5On February 28, 2018, the Reporting Person was granted 51,757 restricted stock units that vest in three equal annual installments beginning on February 28, 2019.
- F6These restricted stock units vest in three equal annual installments beginning on February 28, 2020.
Remarks
The Reporting Person disclaims beneficial ownership of the securities reported herein as indirectly beneficially owned, except to the extent of his pecuniary interest therein.