SEC Form 4 · accession 0001104659-19-012127
Summit Materials, Inc. · SUM
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Susan A Ellerbusch
Director
Period of report
Feb 28, 2019
Accepted (ET)
Mar 1, 2019 · 6:02 pm EST
Rule 10b5-1 plan
unknown — predates the checkbox
Issuer CIK
0001621563
Table I — non-derivative securities
No Table I lines on this filing.
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 | — | Feb 28, 2019 | A | 8,143 | A | — | — | Class A Common Stock | 8,143 | 8,143 | D |
Explanation of responses
- F1Each restricted stock unit represents a contingent right to receive one share of 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.
- F2These restricted stock units vest on February 28, 2020.