SEC Form 4 · accession 0001104659-17-012718
Summit Materials, Inc. · SUM
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Brian James Harris
Officer — EVP & Chief Financial Officer
Period of report
Feb 24, 2017
Accepted (ET)
Feb 28, 2017 · 8:18 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,F2 | Feb 24, 2017 | M | 5,677 | — | A | 62,171 | D | |
| Class A Common Stock | Feb 24, 2017 | F | 2,069 | $23.75 | D | 60,102 | 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 | — | Feb 24, 2017 | M | 5,677 | D | — | — | Class A Common Stock | 5,677 | 11,353 | 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.
- F2Total holdings include shares of Class A Common Stock received pursuant to a stock dividend paid on December 28, 2016.
- F3Each restricted stock unit represents a contingent right to receive one share of Class A Common Stock. The restricted stock units settle in either Class A Common Stock or cash (or a combination thereof) at the discretion of the Issuer's compensation committee.
- F4On February 24, 2016, the Reporting Person was granted 17,030 restricted stock units that vest in three equal annual installments beginning on February 24, 2017.