X0202 4 2008-04-01 0 0001034054 SBA COMMUNICATIONS CORP SBAC 0001293293 Cavanagh Brendan Thomas C/O SBA COMMUNICATIONS CORPORATION 5900 BROKEN SOUND PARKWAY NW BOCA RATON FL 33487 0 1 0 0 Chief Accounting Officer Class A Common Stock 2008-04-01 4 S 0 300 29.53 D 50963 D Class A Common Stock 2008-04-01 4 S 0 200 29.57 D 50763 D Class A Common Stock 2008-04-01 4 S 0 600 29.59 D 50163 D Class A Common Stock 2008-04-01 4 S 0 800 29.60 D 49363 D Class A Common Stock 2008-04-01 4 S 0 99 29.62 D 49264 D Class A Common Stock 2008-04-01 4 S 0 1 29.64 D 49263 D Class A Common Stock 2008-04-01 4 S 0 100 29.65 D 49163 D Class A Common Stock 2008-04-01 4 S 0 500 29.66 D 48663 D Class A Common Stock 2008-04-01 4 S 0 200 29.67 D 48463 D Class A Common Stock 2008-04-01 4 S 0 500 29.69 D 47963 D Class A Common Stock 2008-04-01 4 S 0 200 29.7 D 47763 D Class A Common Stock 2008-04-01 4 S 0 400 29.71 D 47363 D Class A Common Stock 2008-04-01 4 S 0 300 29.72 D 47063 D Class A Common Stock 2008-04-01 4 S 0 300 29.73 D 46763 D Class A Common Stock 2008-04-01 4 S 0 500 29.74 D 46263 D Class A Common Stock 2008-04-01 4 S 0 600 29.75 D 45663 D Class A Common Stock 2008-04-01 4 S 0 1000 29.76 D 44663 D Class A Common Stock 2008-04-01 4 S 0 300 29.8 D 44363 D Class A Common Stock 2008-04-01 4 S 0 200 29.82 D 44163 D Class A Common Stock 2008-04-01 4 S 0 800 29.83 D 43363 D Class A Common Stock 2008-04-01 4 S 0 400 29.84 D 42963 D Class A Common Stock 2008-04-01 4 S 0 500 29.85 D 42463 D Class A Common Stock 2008-04-01 4 S 0 200 29.86 D 42263 D Class A Common Stock 2008-04-01 4 S 0 300 29.87 D 41963 D Class A Common Stock 2008-04-01 4 S 0 400 29.88 D 41563 D Class A Common Stock 2008-04-01 4 S 0 800 29.9 D 40763 D Class A Common Stock 2008-04-01 4 S 0 400 29.91 D 40363 D Class A Common Stock 2008-04-01 4 S 0 100 29.93 D 40263 D Class A Common Stock 2008-04-01 4 S 0 600 29.94 D 39663 D Class A Common Stock 2008-04-01 4 S 0 900 29.96 D 38763 D These sales occurred pursuant to an existing Rule 10b5-1 plan adopted by the Reporting Person. Following the reported transactions, no shares remain available for sale under the plan. Part 1 of 2. Due to the SEC's 30 line limit in Table I, this Form 4 has been filed in 2 parts. /s/ Brendan T. Cavanagh 2008-04-03