X0306 4 2018-02-23 false 0001091883 CIRCOR INTERNATIONAL INC CIR 0001517348 BUCKHOUT SCOTT A. 30 CORPORATE DR. SUITE 200 BURLINGTON MA 01803-4238 true true false false President and CEO Common Stock 2018-02-23 2018-02-23 4 M false 13033.00 A 34289.00 D Common Stock 2018-02-23 2018-02-23 4 F false 5600.00 D 28689.00 D Management Stock Purchase 0.00 2018-02-23 2018-02-23 4 M false 13033.00 D 2018-02-23 2025-02-23 Common Stock 13033.00 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 2/23/2015 utilizing a fair market value (FMV) of a share of the issuers stock of $51.84. 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 ($34.73 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 minus sufficient shares withheld to pay applicable income taxes. /s/ Rajeev Bhalla, attorney-in-fact 2018-02-26