SEC Form 4 · accession 0001104659-17-051403
Summit Materials, Inc. · SUM
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Steven H Wunning
Director
Period of report
Aug 9, 2017
Accepted (ET)
Aug 11, 2017 · 6:08 pm EDT
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 Stock | Aug 9, 2017 | M | 4,625 | $0.00 | A | 4,625 | 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 UnitsF1,F2 | — | Aug 9, 2017 | M | 4,625 | D | — | — | Class A Common Stock | 4,625 | 0 | D |
Explanation of responses
- F1Each restricted stock unit represents a contingent right to receive one share of Issuer Class A common stock ("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.
- F2On August 9, 2016, the Reporting Person was granted 4,625 restricted stock units that vested on August 9, 2017.