Statement of Changes in Beneficial Ownership (4)

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

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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) 3/4/2021
(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								28492 (1)	D
Class A Common Stock								19049 (1)	I	By LLC (2)

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)	$115.17							(3)	3/6/2024	Class A Common	60163		60163	D
Restricted Stock Units	(4)							(5)	(5)	Class A Common Stock	1544		1544	D
Stock Options (Right to Buy)	$156.50							(6)	3/6/2025	Class A Common Stock	50212		50212	D
Restricted Stock Units	(4)							(7)	(7)	Class A Common Stock	2617		2617	D
Stock Options (Right to Buy)	$182.30							(8)	3/6/2026	Class A Common Stock	55741		55741	D
Restricted Stock Units	(4)							(9)	(9)	Class A Common Stock	3888		3888	D
Restricted Stock Units	(4)							(10)	(10)	Class A Common Stock	2442		2442	D
Performance Restricted Stock Units	(11)							(12)	(12)	Class A Common Stock	3663		3663	D
Performance Restricted Stock Units	(11)							(13)	(13)	Class A Common Stock	3663		3663	D
Restricted Stock Units	(4)	3/4/2021		A		3872		(14)	(14)	Class A Common Stock	3872	$0.00	3872	D
Performance Restricted Stock Units	(11)	3/4/2021		A		3872		(15)	(15)	Class A Common Stock	3872	$0.00	3872	D
Performance Restricted Stock Units	(11)	3/4/2021		A		3872		(16)	(16)	Class A Common Stock	3872	$0.00	3872	D

Explanation of Responses:
(1)	Reflects the transfer of 19,049 shares previously held directly by the Reporting Person to Cavanagh Investments, LLC in an exempt transaction.
(2)	These shares are owned by Cavanagh Investments, LLC. The Reporting Person holds all voting and dispositive power for these shares. The Reporting Person disclaims beneficial ownership of the shares owned by Cavanagh Investments, LLC, except to the extent of his pecuniary interest therein.
(3)	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).
(4)	Each restricted stock unit represents a contingent right to receive one share of Class A Common Stock.
(5)	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).
(6)	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).
(7)	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).
(8)	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).
(9)	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).
(10)	These restricted stock units vest in accordance with the following schedule: 1,221 vest on each of the first through third anniversaries of the grant date (February 25, 2020).
(11)	Each performance restricted stock unit represents a contingent right to receive one share of Class A Common Stock.
(12)	These performance restricted stock units have a three-year performance period and to the extent earned will vest 100% on February 25, 2023, which is the third anniversary of the grant date. The number of shares of Class A Common Stock that will be earned at the end of the three-year performance period is subject to increase or decrease based on the results of the performance condition.
(13)	These performance restricted stock units have a three-year performance period and to the extent earned will vest 100% on February 25, 2023, which is the third anniversary of the grant date. The number of shares of Class A Common Stock that will be earned at the end of the three-year performance period is subject to increase or decrease based on the results of the performance condition.
(14)	These restricted stock units vest in accordance with the following schedule: 1,290 vest on the first anniversary of the grant date and 1,291 vests on each of the second and third anniversaries of the grant date (March 4, 2021).
(15)	These performance restricted stock units have a three-year performance period and to the extent earned will vest 100% on March 4, 2024, which is the third anniversary of the grant date. The number of shares of Class A Common Stock that will be earned at the end of the three-year performance period is subject to increase or decrease based on the results of the performance condition.
(16)	These performance restricted stock units have a three-year performance period and to the extent earned will vest 100% on March 4, 2024, which is the third anniversary of the grant date. The number of shares of Class A Common Stock that will be earned at the end of the three-year performance period is subject to increase or decrease based on the results of the performance condition.

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		3/8/2021
**Signature of Reporting Person		Date