SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person* McKenna David M (Last) (First) (Middle) C/O ADVENT INTERNATIONAL CORPORATION 75 STATE STREET, 29TH FLOOR (Street) BOSTON MA 02109 (City) (State) (Zip)	2. Date of Event Requiring Statement (Month/Day/Year) 04/27/2017	3. Issuer Name and Ticker or Trading Symbol NCS Multistage Holdings, Inc. [ NCSM ]
		4. Relationship of Reporting Person(s) to Issuer (Check all applicable) X Director 10% Owner Officer (give title below) Other (specify below)	5. If Amendment, Date of Original Filed (Month/Day/Year)
			6. Individual or Joint/Group Filing (Check Applicable Line) X Form filed by One Reporting Person Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock	30,943,536(1)(2)(3)	I	See Notes(1)(2)(3)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. The Reporting Person is a Managing Partner at Advent International Corporation ("AIC") and in addition may have limited partnership or other interests in one or more of the Advent Entities (as defined below). AIC manages funds that collectively own 30,943,536 shares (the "Shares"), which are represented as follows: 3,864,846 shares are indirectly owned by Advent International GPE VII Limited Partnership, 3,577,074 shares are indirectly owned by Advent International GPE VII-A Limited Partnership, 8,989,098 shares are indirectly owned by Advent International GPE VII-B Limited Partnership, 2,856,087 shares are indirectly owned by Advent International GPE VII-C Limited Partnership, (CONTINUED IN NEXT FOOTNOTE)

2. (CONTINUTED FROM PREVIOUS FOOTNOTE) 2,314,575 shares are indirectly owned by Advent International GPE VII-D Limited Partnership, 6,476,481 shares are indirectly owned by Advent International GPE VII-E Limited Partnership, 835,476 shares are indirectly owned by Advent International GPE VII-F Limited Partnership, 835,476 shares are indirectly owned by Advent International GPE VII-G Limited Partnership, 504,381 shares are indirectly owned by Advent International GPE VII-H Limited Partnership, 12,378 shares are indirectly owned by Advent Partners GPE VII Limited Partnership, 30,945 shares are indirectly owned by Advent Partners GPE VII-A Limited Partnership, 303,246 shares are indirectly owned by Advent Partners GPE VII-B Cayman Limited Partnership, 272,304 shares are indirectly owned by Advent Partners GPE VII Cayman Limited Partnership and (CONTINUED IN NEXT FOOTNOTE)

3. (CONTINUTED FROM PREVIOUS FOOTNOTE) 71,169 shares are indirectly owned by Advent Partners GPE VII-A Cayman Limited Partnership (collectively and together with certain other affiliates of Advent, the "Advent Entities"). The Reporting Person disclaims Section 16 beneficial ownership of the Shares except to the extent of his pecuniary interest therein, if any, and the reference to these Shares in this report shall not be deemed an admission of beneficial ownership of all of the Shares for purposes of Section 16 or any other purpose.

Remarks:

	/s/ Richard Terranova, Attorney-in-Fact	04/27/2017
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

                            LIMITED POWER OF ATTORNEY

        The undersigned hereby constitutes and appoints each of Richard
Terranova and Michael J. Minahan, signing singly, and with full power of
substitution, the undersigned's true and lawful attorney-in-fact to:

        (1)     execute for and on behalf of the undersigned, in the
undersigned's capacity as an officer, director and/or ten percent (10%) or
greater stockholder of NCS Multistage Holdings, Inc. (the "Company"), from time
to time the following U.S. Securities and Exchange Commission ("SEC") forms: (i)
Form ID, including any attached documents, to effect the assignment or amendment
of codes to the undersigned to be used in the transmission of information to the
SEC using the EDGAR System; (ii) Form 3, Initial Statement of Beneficial
Ownership of Securities, including any attached documents; (iii) Form 4,
Statement of Changes in Beneficial Ownership of Securities, including any
attached documents; (iv) Form 5, Annual Statement of Beneficial Ownership of
Securities in accordance with Section 16(a) of the Securities Exchange Act of
1934, as amended, and the rules thereunder, including any attached documents;
(v) Schedule 13D and/or Schedule 13G and (vi) amendments of each thereof, in
accordance with the Securities Exchange Act of 1934, as amended, and the rules
thereunder, including any attached documents;

        (2)     do and perform any and all acts for and on behalf of the
undersigned which may be necessary or desirable to complete and execute any such
Form 3, 4 or 5, Schedule 13D, Schedule 13G or any amendment(s) thereto, and
timely file such form(s) with the SEC and any securities exchange, national
association or similar authority; and

        (3)     take any other action of any type whatsoever in connection with
the foregoing which, in the opinion of such attorney-in-fact, may be of benefit
to, in the best interest of, or legally required by, the undersigned, it being
understood that the documents executed by such attorney-in-fact on behalf of the
undersigned pursuant to this Power of Attorney shall be in such form and shall
contain such terms and conditions as such attorney-in-fact may approve in such
attorney-in-fact's discretion.

        The undersigned hereby grants to each such attorney-in-fact, acting
singly, full power and authority to do and perform any and every act and thing
whatsoever requisite, necessary or proper to be done in the exercise of any of
the rights and powers herein granted, as fully to all intents and purposes as
the undersigned might or could do if personally present, with full power of
substitution or revocation, hereby ratifying and confirming all that such
attorney-in-fact, or such attorney-in-fact's substitute or substitutes, shall
lawfully do or cause to be done by virtue of this power of attorney and the
rights and powers herein granted. The undersigned acknowledges that the
foregoing attorneys-in-fact, in serving in such capacity at the request of the
undersigned, are not assuming, nor is the Company assuming, any of the
undersigned's responsibilities to comply with Section 16 or Regulation 13D-G of
the Securities Exchange Act of 1934, as amended. The undersigned hereby agrees
to indemnify the attorney in fact and the Company from and against any demand,
damage, loss, cost or expense arising from any false or misleading information
provided by the undersigned to the attorney-in fact.

        This Power of Attorney shall remain in full force and effect until the
undersigned is no longer required to file such forms with respect to the
undersigned's holdings of and transactions in securities issued by the Company,
unless earlier revoked by the undersigned in a signed writing delivered to the
foregoing attorneys-in-fact.

        IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to
be executed as of April 12, 2017.


                                          /s/ David M. McKenna
                                        ----------------------------------------
                                        David M. McKenna