SBAC SBA Communications Corporation

[ ] 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                                                                                   
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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940                       

1. Name and Address of Reporting Person * Cavanagh Brendan Thomas	2. Issuer Name and Ticker or Trading Symbol SBA COMMUNICATIONS CORP [ SBAC ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director                    _____ 10% Owner __X__ Officer (give title below)    _____ Other (specify below) Executive Vice President & CFO
(Last)          (First)          (Middle) C/O SBA COMMUNICATIONS CORPORATION, 8051 CONGRESS AVENUE	3. Date of Earliest Transaction (MM/DD/YYYY) 9/4/2019
(Street) BOCA RATON, FL 33487 (City)        (State)        (Zip)	4. If Amendment, Date Original Filed (MM/DD/YYYY)	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 Acquired, Disposed of, or Beneficially Owned
1.Title of Security (Instr. 3)	2. Trans. Date	2A. Deemed Execution Date, if any	3. Trans. 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
Class A Common Stock	9/4/2019		M		54411	A	$124.59	98751	D
Class A Common Stock	9/4/2019		S		7221	D	$266.15 (1)	91530	D
Class A Common Stock	9/4/2019		S		6223	D	$267.14 (2)	85307	D
Class A Common Stock	9/4/2019		S		23744	D	$268.28 (3)	61563	D
Class A Common Stock	9/4/2019		S		17223	D	$268.91 (4)	44340	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Trans. Date	3A. Deemed Execution Date, if any	4. Trans. 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		7. Title and Amount of Securities Underlying Derivative Security (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)	$124.59	9/4/2019		M			54411	(5)	3/5/2022	Class A Common Stock	54411	$0.00	0	D
Stock Options (Right to Buy)	$96.58							(6)	3/4/2023	Class A Common Stock	68258		68258	D
Restricted Stock Units	(7)							(8)	(8)	Class A Common Stock	1668		1668	D
Stock Options (Right to Buy)	$115.17							(9)	3/6/2024	Class A Common	60163		60163	D
Restricted Stock Units	(7)							(10)	(10)	Class A Common Stock	3088		3088	D
Stock Options (Right to Buy)	$156.50							(11)	3/6/2025	Class A Common Stock	50212		50212	D
Restricted Stock Units	(7)							(12)	(12)	Class A Common Stock	3926		3926	D
Stock Options (Right to Buy)	$182.30							(13)	3/6/2026	Class A Common Stock	55741		55741	D
Restricted Stock Units	(7)							(14)	(14)	Class A Common Stock	5184		5184	D

Explanation of Responses:
(1)	Represents the weighted average price of the shares sold. The prices of the shares sold pursuant to the transaction ranged from $265.61 to $266.52 per share. The Reporting Person, upon request, will provide the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares sold at each separate price.
(2)	Represents the weighted average price of the shares sold. The prices of the shares sold pursuant to the transaction ranged from $266.61 to $267.60 per share. The Reporting Person, upon request, will provide the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares sold at each separate price.
(3)	Represents the weighted average price of the shares sold. The prices of the shares sold pursuant to the transaction ranged from $267.63 to $268.61 per share. The Reporting Person, upon request, will provide the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares sold at each separate price.
(4)	Represents the weighted average price of the shares sold. The prices of the shares sold pursuant to the transaction ranged from $268.63 to $269.42 per share. The Reporting Person, upon request, will provide the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares sold at each separate price.
(5)	These options are immediately exercisable.
(6)	These options vest in accordance with the following schedule: 17,064 vest on each of the first and third anniversary of the grant date and 17,065 vest on each of the second and fourth anniversary of the grant date (March 4, 2016).
(7)	Each restricted stock unit represents a contingent right to receive one share of Class A Common Stock.
(8)	These restricted stock units vest in accordance with the following schedule: 1,668 vest on each of the first through fourth anniversaries of the grant date (March 4, 2016).
(9)	These options vest in accordance with the following schedule: 15,040 vest on the first anniversary of the grant date and 15,041 vest on each of the second through fourth anniversaries of the grant date (March 6, 2017).
(10)	These restricted stock units vest in accordance with the following schedule: 1,543 vest on the first anniversary of the grant date and 1,544 vest on each of the second through fourth anniversaries of the grant date (March 6, 2017).
(11)	These options vest in accordance with the following schedule: 12,553 vest on each of the first through fourth anniversaries of the grant date (March 6, 2018).
(12)	These restricted stock units vest in accordance with the following schedule: 1,308 vest on each of the first and the third anniversaries of the grant date, and 1,309 vest on each of the second and the fourth anniversaries of the grant date (March 6, 2018).
(13)	These options vest in accordance with the following schedule: 13,935 vest on each of the first through third anniversaries of the grant date and 13,936 vest on the fourth anniversary of the grant date (March 6, 2019).
(14)	These restricted stock units vest in accordance with the following schedule: 1,296 vest on each of the first through fourth anniversaries of the grant date (March 6, 2019).

Reporting Owners
Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Cavanagh Brendan Thomas C/O SBA COMMUNICATIONS CORPORATION 8051 CONGRESS AVENUE BOCA RATON, FL 33487			Executive Vice President & CFO

Signatures
/s/ Thomas P. Hunt, Attorney-in-Fact		9/6/2019
**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 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).
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 control number.

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