| FORM 3 | UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940 |
| |||||||||||||||
1. Name and Address of Reporting Person*
(Street)
| 2. Date of Event Requiring Statement (Month/Day/Year) 03/12/2015 | 3. Issuer Name and Ticker or Trading Symbol Summit Materials, Inc. [ SUM ] | |||||||||||||
| 4. Relationship of Reporting Person(s) to Issuer (Check all applicable)
| 5. If Amendment, Date of Original Filed (Month/Day/Year) | ||||||||||||||
6. Individual or Joint/Group Filing (Check Applicable Line)
| |||||||||||||||
| Table I - Non-Derivative Securities Beneficially Owned | |||
|---|---|---|---|
| 1. Title of Security (Instr. 4) | 2. Amount of Securities Beneficially Owned (Instr. 4) | 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) | 4. Nature of Indirect Beneficial Ownership (Instr. 5) |
| Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities) | |||||||
|---|---|---|---|---|---|---|---|
| 1. Title of Derivative Security (Instr. 4) | 2. Date Exercisable and Expiration Date (Month/Day/Year) | 3. Title and Amount of Securities Underlying Derivative Security (Instr. 4) | 4. Conversion or Exercise Price of Derivative Security | 5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) | 6. Nature of Indirect Beneficial Ownership (Instr. 5) | ||
| Date Exercisable | Expiration Date | Title | Amount or Number of Shares | ||||
| Options (right to buy) | (1) | 03/11/2025 | Common Stock | 101,200 | 18 | D | |
| Options (right to buy) | (2) | 03/11/2025 | Common Stock | 131,560 | 18 | D | |
| LP Units of Summit Materials Holdings L.P. | (3) | (3) | Common Stock | 648,621 | (3) | I | See Footnote(4) |
| Explanation of Responses: |
| 1. The options vest in four equal annual installments beginning on March 11, 2016. |
| 2. The options vest upon the achievement of certain vesting events more fully described in the Issuer's Registration Statement on Form S-1 (File No. 333-201058). |
| 3. Pursuant to the terms of an exchange agreement, dated as of March 11, 2015, the limited partnership units of Summit Materials Holdings L.P. ("LP Units") reported herein are exchangeable from and after the first anniversary of the closing of the issuer's initial public offering (subject to the terms of the exchange agreement and vesting requirements, including certain vesting events more fully described in the Issuer's Registration Statement on Form S-1 (File No. 333-201058)) for shares of the issuer's Class A common stock on a one-for-one basis. |
| 4. Reflects securities held by a trust for the benefit of Mr. Harris' family, for which Mr. Harris' spouse serves as trustee. |
| Remarks: |
| The Reporting Person disclaims beneficial ownership of the securities reported herein as indirectly beneficially owned, except to the extent of his pecuniary interest therein. Exhibit 24 - Power of Attorney |
| /s/ Anne Lee Benedict, as Attorney-in-Fact | 03/12/2015 | |
| ** Signature of Reporting Person | Date | |
| Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. | ||
| * If the form is filed by more than one reporting person, see Instruction 5 (b)(v). | ||
| ** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a). | ||
| Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure. | ||
| Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number. | ||
