UNITED STATES
	SECURITIES AND EXCHANGE COMMISSION
	Washington, D.C. 20549

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

☐	Rule 13d-1(b)
☒	Rule 13d-1(c)
☐	Rule 13d-1(d)

CUSIP No. 17273K109						13G
	1.	Names of Reporting Persons Colfax Corporation
	2.	Check the Appropriate Box if a Member of a Group (See Instructions)
		(a)		☐
		(b)		☐
	3.	SEC Use Only
	4.	Citizenship or Place of Organization Delaware
Number of Shares Beneficially Owned by Each Reporting Person With			5.		Sole Voting Power 0
			6.		Shared Voting Power 0
			7.		Sole Dispositive Power 0
			8.		Shared Dispositive Power 0
	9.	Aggregate Amount Beneficially Owned by Each Reporting Person 0
	10.	Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)  ☐
	11.	Percent of Class Represented by Amount in Row (9) 0%
	12.	Type of Reporting Person (See Instructions) CO

CUSIP No. 17273K109

13G

Item 1.
	(a)	Name of Issuer CIRCOR International, Inc.
	(b)	Address of Issuer’s Principal Executive Offices 30 Corporate Drive, Suite 200 Burlington, Massachusetts 01803
Item 2.
	(a)	Name of Person Filing Colfax Corporation
	(b)	Address of the Principal Business Office or, if none, Residence 420 National Business Parkway, 5th Floor Annapolis Junction, Maryland 20701
	(c)	Citizenship Delaware
	(d)	Title of Class of Securities Common Stock, par value $0.01, of the Issuer
	(e)	CUSIP No. 17273K109
Item 3.	If this statement is filed pursuant to §§240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
	(a)	☐	Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o).
	(b)	☐	Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c).
	(c)	☐	Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c).
	(d)	☐	Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8).
	(e)	☐	An investment adviser in accordance with §240.13d-1(b)(1)(ii)(E);
	(f)	☐	An employee benefit plan or endowment fund in accordance with §240.13d-1(b)(1)(ii)(F);
	(g)	☐	A parent holding company or control person in accordance with §240.13d-1(b)(1)(ii)(G);
	(h)	☐	A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
	(i)	☐	A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
	(j)	☐	A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J);
	(k)	☐	Group, in accordance with §240.13d-1(b)(1)(ii)(K).

Item 4.	Ownership.
Provide the following information regarding the aggregate number and percentage of the class of securities of the issuer identified in Item 1.
	(a)	Amount beneficially owned:    0   This Amendment No. 1 – Exit Filing is being filed as an exit filing and amends the Schedule 13G filed by Colfax Corporation with the Securities and Exchange Commission on December 15, 2017.  On June 15, 2018, Colfax Corporation sold 3,283,424 shares of the Common Stock of CIRCOR International, Inc. in an underwritten public offering.  As of December 31, 2018, Colfax Corporation no longer beneficially owns any shares of the Common Stock of CIRCOR International, Inc.
	(b)	Percent of class:    0%
	(c)	Number of shares as to which the person has:
		(i)	Sole power to vote or to direct the vote    0
		(ii)	Shared power to vote or to direct the vote     0
		(iii)	Sole power to dispose or to direct the disposition of    0
		(iv)	Shared power to dispose or to direct the disposition of    0

Item 5.	Ownership of Five Percent or Less of a Class.
If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following   ☒.
Item 6.	Ownership of More than Five Percent on Behalf of Another Person.
Not applicable
Item 7.	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on By the Parent Holding Company.
Not applicable
Item 8.	Identification and Classification of Members of the Group.
Not applicable

Item 9.	Notice of Dissolution of Group.
Not applicable

Item 10.

Certification.

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11.

CUSIP No. 17273K109	13G
SIGNATURE

	February 14, 2019
	Date
	Colfax Corporation
	By:	/s/ Christopher M. Hix
	Signature
	Christopher M. Hix Senior Vice President, Finance, and Chief Financial Officer and Treasurer
	Name/Title