Sec Form 4 Filing - Hummer Ryan @ NCS Multistage Holdings, Inc. - 2019-02-28

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person Hummer Ryan 2. Issuer Name and Ticker or Trading Symbol NCS Multistage Holdings, Inc. [ NCSM] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) Chief Financial Officer (Last) (First) (Middle) C/O NCS MULTISTAGE HOLDINGS, INC., 19450 STATE HIGHWAY 249, SUITE 200 3. Date of Earliest Transaction (MM/DD/YY) 02/28/2019 (Street) HOUSTON, TX77070 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 02/28/2019 A 43,574 A $ 0 130,583 ( 1 ) ( 2 ) D Common Stock 03/01/2019 F 2,231 ( 3 ) D $ 5.41 128,352 ( 1 ) ( 2 ) D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares Equivalent Stock Units ( 4 ) 02/28/2019 A 14,525 ( 5 ) ( 5 ) Common Stock 14,525 $ 0 14,525 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Hummer Ryan C/O NCS MULTISTAGE HOLDINGS, INC. 19450 STATE HIGHWAY 249, SUITE 200 HOUSTON, TX77070 Chief Financial Officer Signatures /s/ Kevin Trautner, attorney-in-fact 03/04/2019 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Includes 12,127 restricted stock units which vest in two equal annual installments beginning on August 24, 2019, 15,048 restricted stock units which vest in two equal annual installments beginning on March 1, 2020 and 43,574 restricted stock units which vest in three equal annual installments beginning on February 28, 2020. ( 2 )Includes 2,259 shares acquired under the Issuer's employee stock purchase plan on December 31, 2018. ( 3 )These shares were surrendered to satisfy the tax obligations related to the vesting of restricted stock units. ( 4 )These equivalent stock units settle in cash and represent the economic equivalent of one share of common stock, provided that the amount of cash settled for any equivalent stock unit will not exceed two times the common stock price on the day before the date of grant. ( 5 )Vest in in three equal annual installments beginning on February 28, 2020.

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 4(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).

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