0000917520 2021-05-14 2021-05-14 0000917520 false 8-K 2021-05-14 INTEGRA LIFESCIENCES HOLDINGS CORP DE 0-26224 51-0317849 1100 Campus Road Princeton NJ 08540 609 275-0500 false false false false Common Stock, Par Value $.01 Per Share IART NASDAQ false