How was your day?

Potential cons involve bothering them or resulting in an undesired reaction that could affect the application process.

But for me personally, I couldn't imagine working for a company that would devalue communication.

Yeah, I called and left them a voicemail.
Considering that I sent all of my transcripts/educational documents on April 17th, and haven't heard of approval or denial of admission, it's a bit worry-some.