InsidersTradesSigma
Total declarations
Companies
▲ Purchases (0 ops.)
▼ Sales (2 ops.)
Insider track record
Board DirectorDisclosed buys
0
Disclosed sells
2
T+90 hit rate
63%
T+90 mean return
+4.9%
Across 8 buy signals with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Explore the complete record of transactions filed by Chan Mary S, Director. Officer active across 3 companies, notably SBA Communications CORP. Cumulatively, 18 filings have been logged. Split: 0 buy · 2 sells. Total volume traded: €19k. Activity tracked since 7 May 2021. The latest transaction was disclosed on 13 April 2026 (Retenue fiscale). Regulator: SEC (Form 4). The full history is free.
Declarations18 total
1,501 shares@ US$212.310.0013% mcap27.0% of flowClass A Common StockSEC:0001641154-26-000002:0
1,453 shares@ US$223.750.0014% mcap27.6% of flowClass A Common StockSEC:0001641154-26-000002:1
175 sharesClass A Common StockSEC:0001415889-25-012022:0
1,411 shares@ US$157.5121.4% of flowClass A Common StockSEC:0001415889-25-006687:0
717 shares@ US$6.176620.6% of flowCommon StockSEC:0001731289-24-000234:0
207 sharesClass A Common StockSEC:0001415889-24-012242:0
1,478,000 shares0Common StockSEC:0001731289-24-000112:0
1,977 shares@ US$132.0024.0% of flowClass A Common StockSEC:0001415889-24-007421:0
24,627 shares@ US$0.680679.4% of flowCommon StockSEC:0001731289-24-000089:0
300,000 shares0Common StockSEC:0001731289-23-000295:0
47,170 shares0Common StockSEC:0001209191-23-029473:0
190 sharesClass A Common StockSEC:0001209191-23-027069:0
16,667 shares0Common StockSEC:0001209191-22-028073:0
183 sharesClass A Common StockSEC:0001209191-22-026846:0
9,793 shares0Common StockSEC:0001209191-21-031633
9,793 shares0Common StockSEC:0001209191-21-031633:0
201 sharesClass A Common StockSEC:0001209191-21-030002:0
201 sharesClass A Common StockSEC:0001209191-21-030002
18 of 18 declarations
About Chan Mary S
Chan Mary S is a Board Member at SBA COMMUNICATIONS CORP and CommScope Holding Company, Inc. She brings valuable expertise to the board of directors, contributing to the strategy and governance of these companies. Her experience in the industry is an asset for the company's development.
