SEC Form 4 · accession 0001104659-19-012631
Summit Materials, Inc. · SUM
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Thomas A. Beck
Officer — See Remarks
Period of report
Feb 28, 2019
Accepted (ET)
Mar 4, 2019 · 8:00 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 | Feb 28, 2019 | M | 1,778 | — | A | 16,329 | D | |
| Class A Common StockF1 | Feb 28, 2019 | M | 2,703 | — | A | 19,032 | D | |
| Class A Common Stock | Feb 28, 2019 | F | 1,417 | $17.00 | D | 17,615 | 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 | — | Feb 28, 2019 | M | 1,778 | D | — | — | Class A Common Stock | 1,778 | 1,778 | D |
| Restricted Stock UnitsF2,F4 | — | Feb 28, 2019 | M | 2,703 | D | — | — | Class A Common Stock | 2,703 | 5,408 | D |
| Restricted Stock UnitsF2,F5 | — | Feb 28, 2019 | A | 17,036 | A | — | — | Class A Common Stock | 17,036 | 17,036 | 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 February 28, 2017, the Reporting Person was granted 5,334 restricted stock units that vest in three equal annual installments beginning on February 28, 2018.
- F4On February 28, 2018, the Reporting Person was granted 8,111 restricted stock units that vest in three equal annual installments beginning on February 28, 2019.
- F5These restricted stock units vest in three equal annual installments beginning on February 28, 2020.
Remarks
Title: EVP and Cement Division President