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Insider Trading Intelligence
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MC

Mary S. Chan

SBAC
DIRECTOR · SBA COMMUNICATIONS CORP · CIK 0001641154
FILING MIX · LIFETIME45%/55%
BUYS
34
SELLS
41
TOTAL VALUE
$7.89M
COMPANIES
1
ACTIVE SINCE
Jan 2020
HOLDINGS NOW
1,108
AVG SELL PX
$272.37
TRADE KIND
SHOWING 75 / 75
Trades · vs SPY
Loading price series…
Performance · forward returns vs SPY
9 backtested trades · 8 horizons · 1 pendingHow are these numbers computed? →
Forward-return performance of every backtestable P/S trade by Mary S. Chan, measured at 8 horizons from 7 days to 2 years. Deduped per economic event so co-filings count once. Excess return = trade return minus SPY return over the same window.
HORIZONTRADESWIN RATEINSIDER RETURNSPY RETURNMEAN EXCESSMEDIAN EXCESST-STAT
7d9+66.67%-1.48%+1.83%-3.31%-6.03%—
14d9+77.78%-4.38%-1.03%-3.34%-5.88%—
30d9+77.78%-1.67%-0.49%-1.19%-4.79%—
60d9+77.78%-0.05%+2.19%-2.24%-9.15%—
90d9+77.78%-0.08%+8.88%-8.96%-17.41%—
180d9+77.78%-3.94%+16.03%-19.97%-30.54%—
1y9+77.78%-2.30%+32.79%-35.09%-44.20%—
2y9(1 pending)+12.50%+13.64%+41.42%-27.78%-27.53%—
How to read this: Insider Returnis the average raw return of the filer's trades over the horizon. SPY Return is what SPY did over those same windows — reference only, not a comparison. The headline alpha number is Mean Excess = Insider − SPY; green means the filer beat SPY, red means they trailed it. Win rate is the share of individual trades where the filer beat SPY. T-statvalues above 2 mean the alpha is unlikely to be chance given the sample size. "Pending" counts trades where the horizon hasn't elapsed yet; their stats are not included in the row average.
Holdings over time
SBAC · 1,108 shares · as of May 22, 2026
03,2036,4069,60912,813202120222023202420252026SHARES HELD
Trading cadence · quarterly flow
BUY ● SELL ●
2020
2020
2020
2020
2021
2021
2021
2021
2022
2022
2022
2022
2023
2023
2023
2023
2024
2024
2024
2024
2025
2025
2025
2025
2026
2026
FLOW · 34 buys / 41 sellsCOVERAGE · 26 quarters
Form 4 filings · all activity
COMPANYTYPESHARESPRICEVALUEHELD AFTERTRADE DATEFILEDDETAILS
SBAC
SBA COMMUNICATIONS CORP
PURCHASEGRANT
Stock grant
1,108——1,108May 22, 2026May 27, 2026 ↗View →
SBAC
SBA COMMUNICATIONS CORP
SALE
302——302May 1, 2026May 5, 2026 ↗View →
SBAC
SBA COMMUNICATIONS CORP
PURCHASE
248——6,114.511May 1, 2026May 5, 2026 ↗View →
SBAC
SBA COMMUNICATIONS CORP
PURCHASE
302——6,416.511May 1, 2026May 5, 2026 ↗View →
SBAC
SBA COMMUNICATIONS CORP
SALE
248——0May 1, 2026May 5, 2026 ↗View →
SBAC
SBA COMMUNICATIONS CORP
SALE
325.968$221.20$72.1K6,421.543May 1, 2026May 5, 2026 ↗View →
SBAC
SBA COMMUNICATIONS CORP
PURCHASE
331——6,747.511May 1, 2026May 5, 2026 ↗View →
SBAC
SBA COMMUNICATIONS CORP
SALE
331——663May 1, 2026May 5, 2026 ↗View →
SBAC
SBA COMMUNICATIONS CORP
PURCHASE
1,501$212.31$318.7K7,319.511Apr 13, 2026Apr 14, 2026 ↗View →
SBAC
SBA COMMUNICATIONS CORP
SALE
1,453$223.75$325.1K5,866.511Apr 13, 2026Apr 14, 2026 ↗View →
SBAC
SBA COMMUNICATIONS CORP
SALE
1,501——0Apr 13, 2026Apr 14, 2026 ↗View →
SBAC
SBA COMMUNICATIONS CORP
PURCHASEGRANT
Stock grant
994——994May 23, 2025May 28, 2025 ↗View →
SBAC
SBA COMMUNICATIONS CORP
SALE
268.249$243.40$65.3K5,684.529May 1, 2025May 5, 2025 ↗View →
SBAC
SBA COMMUNICATIONS CORP
SALE
175——0May 1, 2025May 5, 2025 ↗View →
SBAC
SBA COMMUNICATIONS CORP
PURCHASE
175——5,402.778May 1, 2025May 5, 2025 ↗View →
SBAC
SBA COMMUNICATIONS CORP
PURCHASE
248——5,650.778May 1, 2025May 5, 2025 ↗View →
SBAC
SBA COMMUNICATIONS CORP
PURCHASE
302——5,952.778May 1, 2025May 5, 2025 ↗View →
SBAC
SBA COMMUNICATIONS CORP
SALE
248——248May 1, 2025May 5, 2025 ↗View →
SBAC
SBA COMMUNICATIONS CORP
SALE
302——604May 1, 2025May 5, 2025 ↗View →
SBAC
SBA COMMUNICATIONS CORP
PURCHASE
1,411$157.51$222.2K6,541.924Feb 28, 2025Mar 4, 2025 ↗View →
SBAC
SBA COMMUNICATIONS CORP
SALE
1,411——0Feb 28, 2025Mar 4, 2025 ↗View →
SBAC
SBA COMMUNICATIONS CORP
SALE
1,411$218.07$307.7K5,130.924Feb 28, 2025Mar 4, 2025 ↗View →
SBAC
SBA COMMUNICATIONS CORP
PURCHASEGRANT
Stock grant
906——906May 23, 2024May 28, 2024 ↗View →
SBAC
SBA COMMUNICATIONS CORP
PURCHASE
247——5,317.044May 1, 2024May 3, 2024 ↗View →
SBAC
SBA COMMUNICATIONS CORP
PURCHASE
175——5,070.044May 1, 2024May 3, 2024 ↗View →
SBAC
SBA COMMUNICATIONS CORP
SALE
247——496May 1, 2024May 3, 2024 ↗View →
SBAC
SBA COMMUNICATIONS CORP
SALE
175——175May 1, 2024May 3, 2024 ↗View →
SBAC
SBA COMMUNICATIONS CORP
SALE
232.729$186.12$43.3K5,130.924May 1, 2024May 3, 2024 ↗View →
SBAC
SBA COMMUNICATIONS CORP
SALE
207——0May 1, 2024May 3, 2024 ↗View →
SBAC
SBA COMMUNICATIONS CORP
PURCHASE
207——4,895.044May 1, 2024May 3, 2024 ↗View →
SBAC
SBA COMMUNICATIONS CORP
SALE
1,977$217.99$431.0K4,621.898Mar 5, 2024Mar 8, 2024 ↗View →
SBAC
SBA COMMUNICATIONS CORP
PURCHASE
1,977$132.00$261.0K6,598.898Mar 5, 2024Mar 8, 2024 ↗View →
SBAC
SBA COMMUNICATIONS CORP
SALE
1,977——0Mar 5, 2024Mar 8, 2024 ↗View →
SBAC
SBA COMMUNICATIONS CORP
PURCHASEGRANT
Stock grant
743——743May 25, 2023May 30, 2023 ↗View →
SBAC
SBA COMMUNICATIONS CORP
PURCHASE
175——4,621.898May 1, 2023May 3, 2023 ↗View →
SBAC
SBA COMMUNICATIONS CORP
PURCHASE
190——4,240.898May 1, 2023May 3, 2023 ↗View →
SBAC
SBA COMMUNICATIONS CORP
SALE
206——207May 1, 2023May 3, 2023 ↗View →
SBAC
SBA COMMUNICATIONS CORP
SALE
175——350May 1, 2023May 3, 2023 ↗View →
SBAC
SBA COMMUNICATIONS CORP
SALE
190——0May 1, 2023May 3, 2023 ↗View →
SBAC
SBA COMMUNICATIONS CORP
PURCHASE
206——4,446.898May 1, 2023May 3, 2023 ↗View →
SBAC
SBA COMMUNICATIONS CORP
PURCHASEGRANT
Stock grant
525——525May 12, 2022May 16, 2022 ↗View →
SBAC
SBA COMMUNICATIONS CORP
SALE
190——190May 1, 2022May 3, 2022 ↗View →
SBAC
SBA COMMUNICATIONS CORP
PURCHASE
206——4,008.327May 1, 2022May 3, 2022 ↗View →
SBAC
SBA COMMUNICATIONS CORP
PURCHASE
190——3,802.327May 1, 2022May 3, 2022 ↗View →
SBAC
SBA COMMUNICATIONS CORP
SALE
183——183May 1, 2022May 3, 2022 ↗View →
SBAC
SBA COMMUNICATIONS CORP
SALE
206——413May 1, 2022May 3, 2022 ↗View →
SBAC
SBA COMMUNICATIONS CORP
PURCHASE
183——3,612.327May 1, 2022May 3, 2022 ↗View →
SBAC
SBA COMMUNICATIONS CORP
PURCHASEGRANT
Stock grant
619——619May 13, 2021May 17, 2021 ↗View →
SBAC
SBA COMMUNICATIONS CORP
SALE
201——0May 1, 2021May 4, 2021 ↗View →
SBAC
SBA COMMUNICATIONS CORP
PURCHASE
201——3,032.864May 1, 2021May 4, 2021 ↗View →
SBAC
SBA COMMUNICATIONS CORP
PURCHASE
190——3,404.864May 1, 2021May 4, 2021 ↗View →
SBAC
SBA COMMUNICATIONS CORP
PURCHASE
182——3,214.864May 1, 2021May 4, 2021 ↗View →
SBAC
SBA COMMUNICATIONS CORP
SALE
190——380May 1, 2021May 4, 2021 ↗View →
SBAC
SBA COMMUNICATIONS CORP
SALE
182——183May 1, 2021May 4, 2021 ↗View →
SBAC
SBA COMMUNICATIONS CORP
SALE
400$308.72$123.5K11,912.594May 28, 2020Jun 1, 2020 ↗View →
SBAC
SBA COMMUNICATIONS CORP
SALE
900$311.19$280.1K8,518.594May 28, 2020Jun 1, 2020 ↗View →
SBAC
SBA COMMUNICATIONS CORP
PURCHASE
10,000$116.19$1.16M12,812.594May 28, 2020Jun 1, 2020 ↗View →
SBAC
SBA COMMUNICATIONS CORP
SALE
500$307.71$153.9K12,312.594May 28, 2020Jun 1, 2020 ↗View →
SBAC
SBA COMMUNICATIONS CORP
SALE
10,000——0May 28, 2020Jun 1, 2020 ↗View →
SBAC
SBA COMMUNICATIONS CORP
SALE
3,700$312.11$1.15M4,818.594May 28, 2020Jun 1, 2020 ↗View →
SBAC
SBA COMMUNICATIONS CORP
SALE
2,494$310.08$773.3K9,418.594May 28, 2020Jun 1, 2020 ↗View →
SBAC
SBA COMMUNICATIONS CORP
SALE
2,006$312.70$627.3K2,812.594May 28, 2020Jun 1, 2020 ↗View →
SBAC
SBA COMMUNICATIONS CORP
PURCHASEGRANT
Stock grant
570——570May 14, 2020May 18, 2020 ↗View →
SBAC
SBA COMMUNICATIONS CORP
SALE
270——0May 1, 2020May 5, 2020 ↗View →
SBAC
SBA COMMUNICATIONS CORP
PURCHASE
181——3,054.594May 1, 2020May 5, 2020 ↗View →
SBAC
SBA COMMUNICATIONS CORP
SALE
181——365May 1, 2020May 5, 2020 ↗View →
SBAC
SBA COMMUNICATIONS CORP
PURCHASE
201——2,873.594May 1, 2020May 5, 2020 ↗View →
SBAC
SBA COMMUNICATIONS CORP
SALE
242$289.92$70.2K2,812.594May 1, 2020May 5, 2020 ↗View →
SBAC
SBA COMMUNICATIONS CORP
SALE
201——201May 1, 2020May 5, 2020 ↗View →
SBAC
SBA COMMUNICATIONS CORP
PURCHASE
270——2,672.594May 1, 2020May 5, 2020 ↗View →
SBAC
SBA COMMUNICATIONS CORP
PURCHASE
1,899$113.55$215.6K4,290Jan 13, 2020Jan 15, 2020 ↗View →
SBAC
SBA COMMUNICATIONS CORP
SALE
1,899——0Jan 13, 2020Jan 15, 2020 ↗View →
SBAC
SBA COMMUNICATIONS CORP
PURCHASE
2,308$100.00$230.8K6,598Jan 13, 2020Jan 15, 2020 ↗View →
SBAC
SBA COMMUNICATIONS CORP
SALE
2,308——0Jan 13, 2020Jan 15, 2020 ↗View →
SBAC
SBA COMMUNICATIONS CORP
SALE
4,207$250.00$1.05M2,391Jan 13, 2020Jan 15, 2020 ↗View →
Other insiders · SBAC
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About this filer
CIK 0001641154
ROLE
Director
PRIMARY
SBAC
COMPANIES
1
ACTIVE SINCE
Jan 2020
MARKETPEEL · /INSIDER/0001641154DATA · SEC EDGAR · FORM 4 · CONSOLIDATED TAPE
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