Form Type: 4

SEC EDGAR Link
Accession Number:0001104659-20-028855
Date:2020-02-28
Issuer: SUMMIT MATERIALS, INC. (SUM)
Original Submission Date:

Reporting Person:

GARDNER TED A
C/O SUMMIT MATERIALS, INC.
1550 WYNKOOP STREET, 3RD FLOOR DENVER, CO 80202

Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
Title of SecurityTransaction Date2a. Deemed Execution Date Transaction CodeSharesAcquired or DisposedPrice per share 5. Amount of Securities Beneficially Owned Following Reported Transaction 6. Ownership Form Direct or IndirectNature of Indirect Ownership
CLASS A COMMON STOCK 2020-02-28 M 8,143 a $0.00 22,738 direct
Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, convertible securities
Title of Derivative Security Conversion or Exercise Price of Derivative Security Transaction Date Deemed Execution Date Transaction Code Number of Derivative Securities Acquired (A) or Disposed of (D) Date ExercisableExpiration Date Title and Amount of Securities Underlying Derivative Security Price of Derivative Security Number of derivative Securities Beneficially Owned Following Reported Transaction(s) Ownership Form: Direct (D) or Indirect (I) Nature of Indirect Beneficial Ownership
RESTRICTED STOCK UNITS 0.0 2020-02-28 deemed execution date M 8,143 (d) class a common stock 8,143 $0.00 0 direct
RESTRICTED STOCK UNITS 0.0 2020-02-28 deemed execution date A 5,342 (a) class a common stock 5,342 $0.00 5,342 direct
Footnotes
IDfootnote
f1 reflects 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.
f2 each 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.
f3 on february 28, 2019, the reporting person was granted 8,143 restricted stock units that vested on february 28, 2020.
f4 these restricted stock units vest on february 28, 2021.
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