According to the university's website, the event was called "A Night With Michael Knowles," and the topic of his lecture was "Men are not women," KCTV reported.
The incident occurred 15 minutes into the program. Knowles was invited to the university by Young Americans for Freedom, the television station reported.
Protesters outside the lecture venue held signs that read, "Trans rights are human rights," "Respect my existence," and "Trans men are men," KCTV reported.
In a tweet, UMKC said, "We have a responsibility to allow free speech, but we cannot condone physical disruptions of peaceful activities."