The Saudi rider placed one-two in the first CSI5* of the summer tournaments; the show concludes with the AKITA Drilling Grand Prix on Sunday.
Canada finishes second as five nations contested Peter Holmes' track, which saw a lot of rails and a few surprising eliminations.
Conor Swail kicked off 4* competition with his 5th victory in eight days; the $75,000 FEI CSIO4* Nations Cup takes place on Sunday.
More than nine riders a week now receive a Recorded Warning as FEI widens the scope of what is unacceptable.
The field featured 21 of the world’s top 25 riders, including current Rolex Grand Slam of Show Jumping live contender Vogel.
Ireland's Conor Swail ruled the CSI4* division at the Canadian Premier, while Canada's Amy Millar had three close runner-up results.
The Irish rider logged his third international win of Canadian Premier week in the CSI4* Challenge, edging Canada's Nicole Walker and Excellent B.
The Frenchman piloted the speedy, brave grey Gatsby du Tillard to victory as big names fell by the wayside in the rich class.
The US rider and her SF gelding De L'Oiseliere were the only pair to manage a double clear in the field of 37 over Anderson Lima's course.
The Irish rider clinched the feature class at Old Salem Farm in New York to close out the Spring Horse Shows.