InsidersTradesSigma
Total declarations
Company
▲ Purchases (0 ops.)
▼ Sales (5 ops.)
Insider track record
Board DirectorDisclosed buys
0
Disclosed sells
5
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Signal history
Explore the detailed record of transactions filed by Augustinos Nicholas, Director. Officer active across 1 company, notably DEXCOM INC. Cumulatively, 14 filings have been recorded. Split: 0 buy · 5 sells. Total volume traded: €2.4m. History available since 18 March 2021. The latest transaction was disclosed on 12 August 2026 (Don). Regulator: SEC (Form 4). The full history is free.
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Declarations14 total
1,075 shares0Common StockSEC:0001093557-26-000147:0
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$600.034753.1% of flowCommon StockSEC:0001093557-21-000252:0
806 shares@ US$366.9910.1% of flowCommon StockSEC:0001093557-21-000165:0
2,192 shares0Common StockSEC:0001093557-21-000135:0
14 of 14 declarations
About Augustinos Nicholas
AUGUSTINOS NICHOLAS is Administrateur at DEXCOM INC (XNAS). He has filed 13 disclosures in total, and across the 13 sampled recent filings the activity is dominated by sell transactions, with total sales of EUR 2420208 between 2021-05-25 and 2026-06-01.
