Sec Form 4 Filing - BAGWELL KURT L @ SBA COMMUNICATIONS CORP - 2018-06-27

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 BAGWELL KURT L 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) EVP; Pres. - International (Last) (First) (Middle) C/O SBA COMMUNICATIONS CORPORATION, 8051 CONGRESS AVENUE 3. Date of Earliest Transaction (MM/DD/YY) 06/27/2018 (Street) BOCA RATON, FL33487 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 Class A Common Stock 06/27/2018 M 9,123 A $ 47.52 42,089 D Class A Common Stock 06/27/2018 M 45,466 A $ 72.99 87,555 D Class A Common Stock 06/27/2018 M 1,684 A $ 95.53 89,239 D Class A Common Stock 06/27/2018 S 56,273 D $ 165.05 ( 1 ) 32,966 D Class A Common Stock 06/28/2018 M 23,474 A $ 95.53 56,440 D Class A Common Stock 06/28/2018 S 23,474 D $ 165.03 ( 2 ) 32,966 D Class A Common Stock 06/29/2018 M 46,858 A $ 95.53 79,824 D Class A Common Stock 06/29/2018 S 46,858 D $ 165.08 ( 3 ) 32,966 D Class A Common Stock 68,502 I By GRAT

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 Stock Options (Right to Buy) $ 47.52 06/27/2018 M 9,123 ( 4 ) 03/06/2019 Class A Common Stock 9,123 $ 0 0 D Stock Options (Right to Buy) $ 72.99 06/27/2018 M 45,466 ( 4 ) 03/06/2020 Class A Common Stock 45,466 $ 0 0 D Stock Options (Right to Buy) $ 95.53 06/27/2018 M 1,684 ( 4 ) 03/06/2021 Class A Common Stock 1,684 $ 0 70,332 D Stock Options (Right to Buy) $ 95.53 06/28/2018 M 23,474 ( 4 ) 03/06/2021 Class A Common Stock 23,474 $ 0 46,858 D Stock Options (Right to Buy) $ 95.53 06/29/2018 M 46,858 ( 4 ) 03/06/2021 Class A Common Stock 46,858 $ 0 0 D Stock Options (Right to Buy) $ 124.59 ( 5 ) 03/05/2022 Class A Common Stock 64,435 64,435 D Restricted Stock Units ( 6 ) ( 7 ) ( 7 ) Class A Common Stock 1,613 1,613 D Stock Options (Right to Buy) $ 96.58 ( 8 ) 03/04/2023 Class A Common Stock 80,832 80,832 D Restricted Stock Units ( 6 ) ( 9 ) ( 9 ) Class A Common Stock 3,951 3,951 D Stock Options (Right to Buy) $ 115.17 ( 10 ) 03/06/2024 Class A Common Stock 68,540 68,540 D Restricted Stock Units ( 6 ) ( 11 ) ( 11 ) Class A Common Stock 5,277 5,277 D Stock Options (Right to Buy) $ 156.5 ( 12 ) 03/06/2025 Class A Common Stock 54,074 54,074 D Restricted Stock Units ( 6 ) ( 13 ) ( 13 ) Class A Common Stock 5,636 5,636 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other BAGWELL KURT L C/O SBA COMMUNICATIONS CORPORATION 8051 CONGRESS AVENUE BOCA RATON, FL33487 EVP; Pres. - International Signatures /s/ Thomas P. Hunt, Attorney-in-Fact 06/29/2018 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Represents the weighted average price of the shares sold. The prices of the shares sold pursuant to the transactions ranged from $165.00 to $165.26 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 transactions ranged from $165.00 to $165.07 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 transactions ranged from $165.00 to $165.17 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 )These options are immediately exercisable. ( 5 )These options vest in accordance with the following schedule: 16,108 vest on the first anniversary of the grant date and 16,109 vest on each of the second through fourth anniversaries of the grant date (March 5, 2015). ( 6 )Each restricted stock unit represents a contingent right to receive one share of Class A Common Stock. ( 7 )These restricted stock units vest in accordance with the following schedule: 1,612 vest on each of the first through third anniversaries of the grant date and 1,613 vest on the fourth anniversary of the grant date (March 5, 2015). ( 8 )These options vest in accordance with the following schedule: 20,208 vest on each of the first through fourth anniversaries of the grant date (March 4, 2016). ( 9 )These restricted stock units vest in accordance with the following schedule: 1,975 vest on each of the first through third anniversaries of the grant date and 1,976 vest on the fourth anniversary of the grant date (March 4, 2016). ( 10 )These options vest in accordance with the following schedule: 17,135 vest on each of the first through fourth anniversaries of the grant date (March 6, 2017). ( 11 )These restricted stock units vest in accordance with the following schedule: 1,758 vest on the first anniversary of the grant date and 1,759 vest on each of the second through fourth anniversaries of the grant date (March 6, 2017). ( 12 )These options vest in accordance with the following schedule: 13,518 vest on each of the first and the third anniversaries of the grant date, and 13,519 vest on each of the second and the fourth anniversaries of the grant date (March 6, 2018). ( 13 )These restricted stock units vest in accordance with the following schedule: 1,409 vest on each of the first through fourth anniversaries of the grant date (March 6, 2018).

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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