InsidersTradesSigma
Total declarations
Companies
▲ Purchases (0 ops.)
▼ Sales (20 ops.)
Insider track record
ExecutiveDisclosed buys
0
Disclosed sells
20
T+90 hit rate
33%
T+90 mean return
-9.8%
Across 6 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 Stern Sadie, Directeur des Ressources Humaines. Officer active across 2 companies, notably DEXCOM INC. Aggregated, 36 filings have been recorded. Split: 0 buy · 20 sells. Total volume traded: €4.8m. Activity tracked since 22 November 2021. The latest transaction was disclosed on 22 May 2026 (Retenue fiscale). Regulator: SEC (Form 4). All data is openly available.
Declarations36 total
1,451 shares@ US$71.900.0003% mcap1.5% of flowCommon StockSEC:0001093557-26-000096:0
39,019 shares0Common StockSEC:0001093557-26-000047:0
7,123 shares0Common StockSEC:0001093557-26-000012:0
1,466 shares@ US$80.001.8% of flowCommon StockSEC:0001093557-25-000251:0
1,466 shares@ US$88.992.0% of flowCommon StockSEC:0001093557-25-000234:0
1,466 shares@ US$85.062.0% of flowCommon StockSEC:0001093557-25-000222:0
6,184 shares@ US$85.10977.6% of flowCommon StockSEC:0001093557-25-000199:0
11,176 shares@ US$70.380112.4% of flowCommon StockSEC:0001093557-25-000078:0
29,922 shares0Common StockSEC:0001093557-25-000064:0
5,586 shares0Common StockSEC:0001093557-25-000017:0
424 shares@ US$76.870.5% of flowCommon StockSEC:0001093557-24-000192:0
4,259 shares@ US$74.735.1% of flowCommon StockSEC:0001093557-24-000184:0
426 shares@ US$69.150.5% of flowCommon StockSEC:0001093557-24-000169:0
427 shares@ US$115.05140.8% of flowCommon StockSEC:0001093557-24-000128:0
4,137 shares@ US$140.009.2% of flowCommon StockSEC:0001093557-24-000058:0
11,633 shares@ US$134.410724.5% of flowCommon StockSEC:0001093557-24-000053:0
21,711 shares0Common StockSEC:0001093557-24-000039:0
7,620 shares@ US$0.0010.0% of flowCommon StockSEC:0001093557-24-000014:0
1,675 shares@ US$121.84943.2% of flowCommon StockSEC:0001093557-23-000254:0
392 shares@ US$117.660.7% of flowCommon StockSEC:0001093557-23-000240:0
1,176 shares@ US$110.002.0% of flowCommon StockSEC:0001093557-23-000232:0
4,106 shares@ US$104.06326.7% of flowCommon StockSEC:0001093557-23-000230:0
392 shares@ US$110.710.7% of flowCommon StockSEC:0001093557-23-000176:0
392 shares@ US$128.050.8% of flowCommon StockSEC:0001093557-23-000163:0
25,316 shares0Common StockSEC:0001562180-23-005392:0
25 of 36 declarations
About Stern Sadie
Sadie Stern is Executive Vice President and Chief Human Resources Officer at DEXCOM INC and Sonendo, Inc. She oversees human resources initiatives and contributes to the company's strategy. Her expertise is essential in supporting the growth and innovation of the organization.
