Kiesewetter committed to Penn State just two days after receiving an offer.
Buddin finished his Penn State career with 12 total tackles and a fumble recovery.
Black runs a 4.25 40-yard dash, according to his Twitter profile.
A former player at Creighton University and High Point University, Van Eekeren will look to fill Seleisa Elisaia's place.
CATA has had recurring issues for the past three years that, until recently, were easy to ascribe to outside factors and staffing shortages.
The Bachelor of Fine Arts' (BFA) Class of 2023 will debut the show in the Theatre Building on campus and in Philadelphia.