Check the appropriate box to designate the rule pursuant to which this Schedule is filed:
   Rule 13d-1(b)
   Rule 13d-1(c)
   Rule 13d-1(d)






SCHEDULE 13G




Comment for Type of Reporting Person:  Based upon 29,074,539 Common Shares of North American Construction Group Ltd. (the "Issuer") outstanding as of November 10, 2025, as reported in the Issuer's 6-K (Normal Course Issuer Bid) filed with the Securities and Exchange Commission on November 19, 2025.


SCHEDULE 13G



 
Mawer Investment Management Ltd.
 
Signature:/s/ Samir Taghiyev, Portfolio Manager
Name/Title:Mawer Investment Management Ltd.
Date:01/23/2026