SEC Form 4/A · accession 0001104659-17-019751
Summit Materials, Inc. · SUM
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
This is an amendment (Form 4/A). It replaces an earlier filing for the same period.
Reporting owner
Damian John Murphy
Officer — EVP & East Division President
Period of report
Feb 28, 2017
Accepted (ET)
Mar 28, 2017 · 6:14 pm EDT
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Options (right to buy)F1 | $23.89 | Feb 28, 2017 | A | 8,962 | A | — | Feb 28, 2027 | Class A Common Stock | 8,962 | 8,962 | D |
Explanation of responses
- F1The options vest in three equal annual installments beginning on February 28, 2018.
Remarks
This Amendment is being filed to correct the number of options reported as granted to the Reporting Person in the original Form 4 filed on March 2, 2017.