SUMMIT MATERIALS, INC.

PrivateCIK: 1621563
Location

DENVER, CO

HARRIS BRIAN JAMES

4
→ASTEC INDUSTRIES INC
Sep 2, 2026·Sep 2, 2026
1 txn

SOUTHEASTERN ASSET MANAGEMENT INC/TN/

13F-HR

Holdings

Aug 14, 2026·Aug 14, 2026

ANDERSON KARLI S.

4
→WESTWATER RESOURCES, INC.
Aug 12, 2026·Aug 12, 2026
1 txn

ANDERSON KARLI S.

144
→WESTWATER RESOURCES, INC.
Aug 7, 2026·Aug 7, 2026

CANTIE JOSEPH S

4
→HOWMET AEROSPACE INC.
Jul 6, 2026·Jul 6, 2026
1 txn

COONEY ANNE M

4
→WESCO INTERNATIONAL INC
Jul 2, 2026·Jul 2, 2026
2 txn

COONEY ANNE M

144
→MANITOWOC CO INC
Jun 24, 2026·Jun 24, 2026
+5

COONEY ANNE M

144
→MANITOWOC CO INC
Jun 23, 2026·Jun 23, 2026
-2

COONEY ANNE M

144
→MANITOWOC CO INC
Jun 22, 2026·Jun 22, 2026

ANDERSON KARLI S.

4
→WESTWATER RESOURCES, INC.
May 28, 2026·May 28, 2026
1 txn

LANCE HOWARD L

4
→MERCURY SYSTEMS INC
May 27, 2026·May 27, 2026
3 txn

CANTIE JOSEPH S

4
→HOWMET AEROSPACE INC.
May 27, 2026·May 27, 2026
1 txn

NOONAN ANNE P

4
→QNITY ELECTRONICS, INC.
May 26, 2026·May 26, 2026
1 txn

MURPHY JOHN RAYMOND

4
→O REILLY AUTOMOTIVE INC
May 20, 2026·May 20, 2026
2 txn

MURPHY JOHN RAYMOND

4
→O REILLY AUTOMOTIVE INC
May 18, 2026·May 18, 2026
2 txn

MURPHY JOHN RAYMOND

144
→O REILLY AUTOMOTIVE INC
May 18, 2026·May 18, 2026

SOUTHEASTERN ASSET MANAGEMENT INC/TN/

13F-HR

Holdings

May 15, 2026·May 15, 2026

NOONAN ANNE P

4
→CF INDUSTRIES HOLDINGS, INC.
Apr 30, 2026·Apr 30, 2026
1 txn

CANTIE JOSEPH S

4
→HOWMET AEROSPACE INC.
Apr 7, 2026·Apr 7, 2026
1 txn

COONEY ANNE M

4
→WESCO INTERNATIONAL INC
Apr 2, 2026·Apr 2, 2026
2 txn

CANTIE JOSEPH S

4
→GATES INDUSTRIAL CORP LTD.
Mar 31, 2026·Mar 31, 2026
1 txn

COONEY ANNE M

4
→WESCO INTERNATIONAL INC
Mar 3, 2026·Mar 3, 2026
2 txn

LANCE HOWARD L

4
→MERCURY SYSTEMS INC
Feb 27, 2026·Feb 27, 2026
2 txn

LANCE HOWARD L

144
→MERCURY SYSTEMS INC
Feb 25, 2026·Feb 25, 2026

NOONAN ANNE P

4
→QNITY ELECTRONICS, INC.
Feb 18, 2026·Feb 18, 2026
1 txn
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