X0306 4 2021-08-28 false 0000820318 II-VI INC IIVI 0001781635 Koeppen Christopher C/O II-VI INCORPORATED 375 SAXONBURG BLVD. SAXONBURG PA 16056 false true false false Chief Technology Officer Common Stock 2021-08-28 4 A false 9433.00 0.00 A 30462.00 D Common Stock 2021-08-28 4 A false 1763.00 0.00 A 32225.00 D Common Stock 2021-08-28 4 F false 2056.00 63.60 D 30169.00 D Common Stock 15.00 I By Daughter Common Stock 15.00 I By Son These shares represent a restricted stock unit award granted to the reporting person. The award will vest in three equal annual installments beginning on August 28, 2022. Represents shares issued upon payout of Performance Share Units granted in August 2018. These shares were withheld by the company to discharge withholding tax obligations of the reporting person and do not constitute an actual sale or other open market transaction. /s/ Jeffrey W. Acre, Attorney-in-Fact 2021-08-31