Kentucky Sen. Rand Paul will headline an annual Republican event in Iowa next month, further signaling his interest in a 2016 presidential bid.

The announcement caps several high-profile weeks for Paul. On Saturday, he narrowly won the Conservative Political Action Committee straw poll, just after he delivered a rousing speech to the annual confab. Earlier this month, Paul filibustered for 13 hours John O. Brennan’s nomination to head the CIA.

And on Tuesday morning, Paul also announced support for a comprehensive immigration overhaul.

The Iowa Republican Party’s Lincoln Day Dinner is one of its top fundraisers of the year. It’s a platform for budding White House contenders to warm up potential supporters in the first presidential caucus state, even a full two years before candidates will begin launching their campaigns.

This year’s event will be held May 10 in Cedar Rapids. Individual tickets cost $50, while admittance to the dinner and a VIP reception runs $150.

When asked about a potential bid in November by ABC News, Paul said he would not “deny that I’m interested.”

Along with Sen. Marco Rubio, R-Fla., and Rep. Paul D. Ryan, R-Wis., Paul is one of the few GOP members of Congress believed to be eyeing a run for president. Rubio also held court at CPAC last week and paid a high-profile visit to Iowa in November for Gov. Terry E. Branstad’s birthday party.