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 OF SECURITIES 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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(Print or Type Responses)

1. Name and Address of Reporting Person * Bailey K Thomas   2. Issuer Name and Ticker or Trading Symbol NanoString Technologies Inc [NSTG] 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) 530 FAIRVIEW AVENUE N 3. Date of Earliest Transaction (Month/Day/Year) 03/25/2019 (Street) SEATTLE, WA 98109 4. If Amendment, Date 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 (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 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

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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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 (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

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 (Month/Day/Year)

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

Stock Options (right to buy)

$ 23.34

03/25/2019

A

30,501

(1)

03/25/2029

Common Stock

30,501

$ 0

30,501

D

Restricted Stock Units

(2)

03/25/2019

A

16,129

(3)

(3)

Common Stock

16,129

$ 0

16,129

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Bailey K Thomas 530 FAIRVIEW AVENUE N SEATTLE, WA 98109			Chief Financial Officer

Signatures

/s/ Shannon Atchison, Attorney in Fact		03/27/2019
**Signature of Reporting Person		Date

Explanation of Responses:

*	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).
(1)	1/48 of the shares subject to such option shall vest on the one-month anniversary of March 13, 2019 (the "Option Vesting Commencement Date") and 1/48th of the total number of shares each monthly anniversary of the Option Vesting Commencement Date becoming fully vested on the four-year anniversary of the Option Vesting Commencement Date.
(2)	Each restricted stock unit ("RSU") represents a contingent right to receive one (1) share of Issuer's common stock.
(3)	1/3 of the RSUs vest on the first market trading day following the first anniversary of March 13, 2019 (the "RSU Vesting Commencement Date"), and 1/3 of the RSUs vest annually each year on the first market trading day after the second and third anniversary of the RSU Vesting Commencement Date, in each case, subject to Participant's continuing to be a Service Provider (as defined in the 2013 Equity Incentive Plan) through each such date.

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