| Accession Number: | 0001104659-20-028868 |
| Date: | 2020-02-28 |
| Issuer: | SUMMIT MATERIALS, INC. (SUM) |
| Original Submission Date: |
BENEDICT ANNE LEE
C/O SUMMIT MATERIALS, INC.
1550 WYNKOOP STREET, 3RD FLOOR
DENVER, CO 80202
| Title of Security | Transaction Date | 2a. Deemed Execution Date | Transaction Code | Shares | Acquired or Disposed | Price per share | 5. Amount of Securities Beneficially Owned Following Reported Transaction | 6. Ownership Form Direct or Indirect | Nature of Indirect Ownership |
|---|---|---|---|---|---|---|---|---|---|
| CLASS A COMMON STOCK | 2020-02-28 | M | 1,792 | a | $0.00 | 10,490 | direct | ||
| CLASS A COMMON STOCK | 2020-02-28 | M | 2,752 | a | $0.00 | 13,242 | direct | ||
| CLASS A COMMON STOCK | 2020-02-28 | M | 5,781 | a | $0.00 | 19,023 | direct | ||
| CLASS A COMMON STOCK | 2020-02-28 | A | 3,641 | a | $0.00 | 22,664 | direct | ||
| CLASS A COMMON STOCK | 2020-02-28 | F | 4,207 | d | $19.54 | 18,457 | direct |
| 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 Exercisable | Expiration 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 | 1,792 (d) | class a common stock 1,792 | $0.00 | 0 | direct | |||
| RESTRICTED STOCK UNITS | 0.0 | 2020-02-28 | deemed execution date | M | 2,752 (d) | class a common stock 2,752 | $0.00 | 2,752 | direct | |||
| RESTRICTED STOCK UNITS | 0.0 | 2020-02-28 | deemed execution date | M | 5,781 (d) | class a common stock 5,781 | $0.00 | 11,560 | direct | |||
| RESTRICTED STOCK UNITS | 0.0 | 2020-02-28 | deemed execution date | A | 12,019 (a) | class a common stock 12,019 | $0.00 | 12,019 | direct |
| ID | footnote |
|---|---|
| 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 | reflects shares of class a common stock earned and delivered on performance units previously granted based upon the satisfaction of certain performance criteria. |
| f3 | each 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. |
| f4 | on february 28, 2017, the reporting person was granted 5,377 restricted stock units that vest in three equal annual installments beginning on february 28, 2018. |
| f5 | on february 28, 2018, the reporting person was granted 8,256 restricted stock units that vest in three equal annual installments beginning on february 28, 2019. |
| f6 | on february 28, 2019, the reporting person was granted 17,341 restricted stock units that vest in three equal annual installments beginning on february 28, 2020. |
| f7 | these restricted stock units vest in three equal annual installments beginning on february 28, 2021. |
