Is this weird? What should I do?

I'm on Bumble and I see this guy that I'm interested in so I swipe right. I do hope that he sees my profile and swipes right for me too. Based on his bio, we happen to go to the same school. I decide to do some more searching and I happen to find his Instagram. Some may say this is stalking? I'm a bit tempted to send him a message. Not sure what I would say or explain the situation.
Is this weird? What should I do?
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