SEC Form 4 · accession 0001104659-19-005917
Summit Materials, Inc. · SUM
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Karl Watson
Officer — EVP & Chief Operating Officer
Period of report
Jan 8, 2019
Accepted (ET)
Feb 5, 2019 · 9:07 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 | Jan 8, 2019 | M | 21,388 | — | A | 56,888 | D | |
| Class A Common Stock | Jan 8, 2019 | F | 5,652 | $14.53 | D | 51,236 | 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 UnitsF2,F3 | — | Jan 8, 2019 | M | 21,388 | D | — | — | Class A Common Stock | 21,388 | 42,776 | 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.
- F2Each 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.
- F3On January 8, 2018, the Reporting Person was granted 64,164 restricted stock units that vest in three equal annual installments beginning on January 8, 2019.