The images, provided to The Post by law enforcement sources, show the suspect, who has yet to be identified, holding a long handgun as he fired at Brian Thompson, 50, on Wednesday morning outside the Hilton Hotel on 54th Street and 6th Avenue.

The suspect fired multiple times from a distance, police said, before fleeing through the Ziegfeld alleyway and hopping on a bike.

Additional surveillance photos show the suspect riding down 6th Avenue on the bike.

The suspect was seen wearing a coat, black face mask, and black and white sneakers. He was also carrying a gray backpack.

Officials said no arrests have been made, and that the investigation is ongoing.

NYPD Crime Stoppers have put out a $10,000 reward for information regarding Thompson’s murder.

Thompson, who has served as the CEO of UnitedHealth’s insurance division since 2021, had arrived early at the hotel at around 6:45 a.m. ahead of an Investors’ Day conference, police and company officials said.

First responders arrived quickly at the scene and tried to perform emergency CPR on Thompson, who was transported to Mount Sinai Hospital.

Thompson was declared dead later in the morning, police said.

Thompson, who has worked with UnitedHealth for the last two decades, was based in Minnetonka, Minnesota, according to his LinkedIn account.

The UnitedHealth Group, which employs more than 100,000 people across America, is ranked fourth in the Fortune 500.

The company did not immediately respond to The Post’s request for comment.

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The company did not immediately respond to The Post’s request for comment.