X0306 4/A 2019-03-04 2019-03-06 false 0001091883 CIRCOR INTERNATIONAL INC CIR 0001762987 Chahine Chadi 30 CORPORATE DR. SUITE 200 BURLINGTON MA 01803-4238 false true false false SVP and CFO Stock Options 33.63 2019-03-04 2019-03-04 4 A false 8025.00 33.63 A 2020-03-04 2026-03-04 Common Stock 8025.00 8025.00 D Due to an administrative error in the Black Sholes calculation, the number of option units intended to be awarded was incorrect and has now been corrected with this filing. The options generally vest in equal installments of one-third of the original stock option grant over a three year period from award date. The options convert into shares of common stock on a one-for-one basis. /s/ Tanya Dawkins, attorney-in-fact 2019-05-06