InsidersTradesSigma
Total declarations
Company
▲ Purchases (0 ops.)
▼ Sales (7 ops.)
Insider track record
Board DirectorDisclosed buys
0
Disclosed sells
7
T+90 hit rate
60%
T+90 mean return
+2.2%
Across 5 buy signals with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Explore the detailed record of transactions filed by AUGUSTINOS NICHOLAS, Director. Officer active across 1 company, notably DEXCOM INC. Cumulatively, 16 filings have been recorded. Split: 0 buy · 7 sells. Total volume traded: €3.9m. History available since 18 March 2021. The latest transaction was disclosed on 28 May 2026 (Attribution). Regulator: SEC (Form 4). The full history is free.
Declarations16 total
5,575 shares0Common StockSEC:0001093557-26-000123:0
2,618 shares@ US$81.694.7% of flowCommon StockSEC:0001093557-25-000212:0
3,672 shares@ US$82.806.7% of flowCommon StockSEC:0001093557-25-000212:1
2,618 shares0Common StockSEC:0001093557-25-000150:0
2,618 shares0Common StockSEC:0001093557-24-000112:0
3,043 shares0Common StockSEC:0001093557-24-000092:0
3,043 shares0Common StockSEC:0001093557-24-000092:1
3,976 shares@ US$123.0211.3% of flowCommon StockSEC:0001093557-23-000246:0
3,043 shares@ US$0.0010.0% of flowCommon StockSEC:0001093557-23-000141:0
918 shares0Common StockSEC:0001093557-22-000114:0
2,500 shares@ US$600.03470.0050% mcap42.0% of flowCommon StockSEC:0001093557-21-000252:0
2,500 shares@ US$600.034732.5% of flowCommon StockSEC:0001093557-21-000252
806 shares@ US$366.990.0010% mcap8.0% of flowCommon StockSEC:0001093557-21-000165:0
806 shares@ US$366.996.2% of flowCommon StockSEC:0001093557-21-000165
2,192 shares0Common StockSEC:0001093557-21-000135
2,192 shares0Common StockSEC:0001093557-21-000135:0
16 of 16 declarations
About AUGUSTINOS NICHOLAS
Nicholas Augustinos is a Board Member at DEXCOM INC. In this role, he contributes to corporate governance and strategic decision-making. Nicholas Augustinos brings his expertise in technology and health, enabling him to guide the company in its development initiatives. His commitment to innovation and quality is essential for the brand's success.
