X0306 4 2021-03-05 false 0001091883 CIRCOR INTERNATIONAL INC CIR 0001661721 Ludwig Helmuth 30 CORPORATE DRIVE, SUITE 200 BURLINGTON MA 01803 true false false false Common Stock 2021-03-05 4 M false 2102.00 A 17249.00 D Restricted Stock Unit (MSP) 0.00 2021-03-05 4 M false 2102.00 D 2021-03-05 2028-03-05 Common Stock 2102.00 0.00 D The Restricted Stock Units (RSUs), the conversion of which are reported herein, were issued to the Reporting Person pursuant to issuers Management Stock Purchase Plan (MSPP) on 3/5/2018 utilizing a fair market value (FMV) of a share of the issuers stock of $42.62. RSUs are issued in whole units on the basis of a 33 percent discount from FMV of the issuers common stock on the date the underlying bonus is determined ($28.56 in this case) and generally vest 3 years from date of grant, at which time they convert into shares of common stock unless the executive has previously elected a longer deferral period. Acquisition price reflects the 33% discount to FMV of issuers stock on grant date. This report reflects the acquisition by the Reporting Person of the common stock underlying the RSUs. /s/ Tanya Dawkins, attorney-in-fact 2021-03-08