0001049502 2023-02-27 2023-02-27 0001049502 false 8-K 2023-02-27 MKS INSTRUMENTS, INC. MA 000-23621 04-2277512 2 Tech Drive Suite 201 Andover MA 01810 978 645-5500 Not Applicable false false false false Common Stock, no par value MKSI NASDAQ false