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4//SEC Filing

Beck Thomas A. 4

Accession 0001104659-17-056361

CIK 0001621563other
View on SEC.govCompany Profile

Filed

Sep 7, 8:00 PM ET

Accepted

Sep 8, 6:02 PM ET

Size

18.8 KB

Accession

0001104659-17-056361

Insider Transaction Report

Form 4
Period: 2017-09-06
Summit Materials, Inc.SUM
Beck Thomas A.
See Remarks
Transactions
  • Sale

    Class A Common Stock

    2017-09-06$30.24/sh−17,899$541,266→ 1,560 total
  • Exercise/Conversion

    Options (right to buy)

    2017-09-06−7,719→ 7,721 total
    Exercise: $18.00Exp: 2025-03-11→ Class A Common Stock (7,719 underlying)
  • Exercise/Conversion

    Class A Common Stock

    2017-09-06$18.00/sh+5,938$106,884→ 7,498 total
  • Exercise/Conversion

    Class A Common Stock

    2017-09-06$18.00/sh+7,719$138,942→ 15,217 total
  • Exercise/Conversion

    Class A Common Stock

    2017-09-06$17.07/sh+4,242$72,411→ 19,459 total
  • Sale

    Class A Common Stock

    2017-09-07$30.10/sh−1,560$46,956→ 0 total
  • Exercise/Conversion

    Options (right to buy)

    2017-09-06−5,938→ 5,939 total
    Exercise: $18.00Exp: 2025-03-11→ Class A Common Stock (5,938 underlying)
  • Exercise/Conversion

    Options (right to buy)

    2017-09-06−4,242→ 8,482 total
    Exercise: $17.07Exp: 2026-02-24→ Class A Common Stock (4,242 underlying)
Holdings

  • Class A Common Stock

    (indirect: See footnote)
    18,354
Footnotes (5)
  • [F1]The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $30.14 to $30.34, inclusive. The Reporting Person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.
  • [F2]Reflects securities held by a family limited liability company controlled by Mr. Beck.
  • [F3]Reflects the grant of 11,877 options that vest in four equal annual installments beginning on March 11, 2016.
  • [F4]Reflects the grant of 15,440 options that vest in four equal annual installments beginning on March 11, 2016.
  • [F5]Reflects the grant of 12,724 options that vest in three equal annual installments beginning on February 24, 2017.

Documents

1 file

Issuer

Summit Materials, Inc.

CIK 0001621563

→
Entity typeother

Related Parties

1
  • filerCIK 0001661446

Filing Metadata

Form type
4
Filed
Sep 7, 8:00 PM ET
Accepted
Sep 8, 6:02 PM ET
Size
18.8 KB
View on SEC.gov