InsidersTradesSigma
Total declarations
Company
▲ Purchases (0 ops.)
▼ Sales (23 ops.)
Insider track record
CEODisclosed buys
0
Disclosed sells
23
T+90 hit rate
50%
T+90 mean return
-3.1%
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 SAYER KEVIN R, Chief Executive Officer. Officer active across 1 company, notably DEXCOM INC. Cumulatively, 33 reports have been recorded. Split: 0 buy · 23 sells. Total volume traded: €29.8m. History available since 3 May 2021. The latest transaction was disclosed on 6 July 2026 (Cession). Regulator: SEC (Form 4). All data is openly available.
Declarations33 total
26,756 shares@ US$72.00Common StockSEC:0001093557-26-000133:0
32,498 shares@ US$70.38017.0% of flowCommon StockSEC:0001093557-25-000077:0
85,490 shares0Common StockSEC:0001093557-25-000066:0
68,503 shares0Common StockSEC:0001093557-25-000015:0
27,272 shares@ US$137.961611.6% of flowCommon StockSEC:0001093557-24-000062:0
29,675 shares@ US$134.410712.2% of flowCommon StockSEC:0001093557-24-000052:0
51,692 shares0Common StockSEC:0001093557-24-000038:0
72,709 shares@ US$0.0010.0% of flowCommon StockSEC:0001093557-24-000012:0
5,995 shares@ US$113.8322.1% of flowCommon StockSEC:0001093557-23-000096:0
17,302 shares@ US$111.3996.1% of flowCommon StockSEC:0001093557-23-000082:0
54,422 shares@ US$0.0010.0% of flowCommon StockSEC:0001093557-23-000058:0
31,203 shares@ US$109.826210.8% of flowCommon StockSEC:0001093557-23-000030:0
47,693 shares@ US$106.056415.6% of flowCommon StockSEC:0001093557-23-000015:0
45,607 shares@ US$105.748514.9% of flowCommon StockSEC:0001093557-23-000012:0
10,000 shares0Common StockSEC:0001093557-23-000008:0
445 shares@ US$405.840.0006% mcap2.8% of flowCommon StockSEC:0001093557-22-000064:0
16,251 shares@ US$0.0010.0000% mcap0.0% of flowCommon StockSEC:0001093557-22-000053:0
3,000 shares@ US$418.040.0043% mcap18.7% of flowCommon StockSEC:0001093557-22-000018:0
3,000 shares@ US$438.813.9% of flowCommon StockSEC:0001093557-22-000002
3,000 shares@ US$438.810.0045% mcap19.6% of flowCommon StockSEC:0001093557-22-000002:0
200 shares@ US$528.0640.3% of flowCommon StockSEC:0001093557-21-000279
200 shares@ US$528.0640.0004% mcap1.6% of flowCommon StockSEC:0001093557-21-000279:0
3,000 shares0Common StockSEC:0001093557-21-000257:0
3,000 shares0Common StockSEC:0001093557-21-000257
999 shares@ US$545.840.0018% mcap8.0% of flowCommon StockSEC:0001093557-21-000239:0
25 of 33 declarations
About SAYER KEVIN R
Kevin R Sayer is the Chief Executive Officer of DEXCOM INC.
