Susan A. Ellerbusch

Director, Summit Materials, Inc.

Companies

CF IndustriesBoard member Oct 18, 2023 to now¹
Summit Materials, Inc.Board member Aug 13, 2018 to Feb 10, 2025²

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

CF Industries CF7,323 shares³$872.6K at $119.17Apr 28, 2026
Summit Materials, Inc.0 shares⁴Feb 10, 2025

As of each latest filing. The line shows shares held over time.

Recent filings

Apr 28, 2026Granted 1,390 shares of CF Industries³
May 6, 2025Granted 2,074 shares of CF Industries⁵
Feb 10, 2025Returned to company 23,386 shares at $52.50 of Summit Materials, Inc.⁴
Apr 18, 2024Granted 2,010 shares of CF Industries⁶
Oct 17, 2023Granted 1,849 shares of CF Industries⁷
Feb 28, 2022Exercised options 4,374 shares of Summit Materials, Inc.⁸

Sources

The numbers on this page point here. Each one links to the record it came from.

1
SEC EDGARCF Industries, Board member
2
SEC EDGARSummit Materials, Inc., Board member
3
SEC EDGARCF Industries shares after the filing of Apr 28, 2026
4
SEC EDGARSummit Materials, Inc. shares after the filing of Feb 10, 2025
5
SEC EDGARForm 4 filed May 8, 2025
6
SEC EDGARForm 4 filed Apr 22, 2024
7
SEC EDGARForm 4 filed Oct 18, 2023
8
SEC EDGARForm 4 filed Mar 1, 2022