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

OMB APPROVAL OMB Number: 3235-0287 Expires: January 31, 2005 Estimated average burden hours per response... 0.5

(Print or Type Responses)

1. Name and Address of Reporting Person * Callahan Dawn   2. Issuer Name and Ticker or Trading Symbol BOINGO WIRELESS INC [WIFI] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Chief Marketing Officer (Last) (First) (Middle) C/O BOINGO WIRELESS INC., 10960 WILSHIRE BLVD. 23RD FLOOR 3. Date of Earliest Transaction (Month/Day/Year) 03/21/2019 (Street) LOS ANGELES, CA 90024 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 Common Stock 03/21/2019   M   11,092 (1) A $ 0 19,027 D   Common Stock 03/21/2019   F   5,744 (2) D $ 24.42 13,283 D

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
	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 control number.		SEC 1474 (9-02)

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

Performance Restricted Stock Units

(3)

03/21/2019

A

16,639

(4)

(4)

Common Stock

16,639

$ 0

16,639

D

Performance Restricted Stock Units

(3)

03/21/2019

M

11,092

(5)

(5)

Common Stock

11,092

$ 0

5,547

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Callahan Dawn C/O BOINGO WIRELESS INC. 10960 WILSHIRE BLVD. 23RD FLOOR LOS ANGELES, CA 90024			Chief Marketing Officer

Signatures

/s/ Efren Medina as Attorney-in-Fact for Dawn Callahan		03/25/2019
**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)	The shares acquired represent the settlement of 11,092 of the Reporting Person's restricted stock units on March 21, 2019, which vested on February 1, 2019.
(2)	Represents shares withheld in connection with the payment of withholding taxes due upon the vesting and settlement of the performance restricted stock units.
(3)	Each restricted stock unit represents a contingent right to receive one share of Boingo Wireless, Inc. common stock.
(4)	Reflects certification of the achievement of 2017 performance goals and the award of 16,639 performance restricted stock units, vesting with respect to 66 2/3 % of such units on or about February 1, 2019 and settled on March 21, 2019, and with respect to the balance in a series of four successive equal quarterly installments thereafter, so that the performance restricted stock units will become fully vested by February 1, 2020.
(5)	Following certification of the achievement of 2017 performance goals, the Reporting Person received 16,639 performance restricted stock units, and has vested with respect to 66 2/3% of such units on February 1, 2019, which shares were settled on March 21, 2019.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.