InsidersTradesSigma
Total declarations
Company
▲ Purchases (0 ops.)
▼ Sales (21 ops.)
Insider track record
CEODisclosed buys
0
Disclosed sells
21
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 Sayer Kevin R, Chief Executive Officer. Officer active across 1 company, notably DEXCOM INC. Cumulatively, 32 reports have been recorded. Split: 0 buy · 21 sells. Total volume traded: €31.7m. History available since 3 May 2021. The latest transaction was disclosed on 20 August 2026 (Cession). Regulator: SEC (Form 4). All data is openly available.
Companies and markets linked to Sayer Kevin R
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations32 total
19,308 shares@ US$89.706Common StockSEC:0001093557-26-000151:0
7,351 shares@ US$90.7811Common StockSEC:0001093557-26-000151:1
97 shares@ US$91.41Common StockSEC:0001093557-26-000151:2
26,756 shares@ US$76.31930.0069% mcap5.7% of flowCommon StockSEC:0001093557-26-000137:0
26,756 shares@ US$72.000.0070% mcap5.3% of flowCommon StockSEC:0001093557-26-000133:0
32,749 shares0Common StockSEC:0001093557-26-000050:0
71,218 shares0Common StockSEC:0001093557-26-000009:0
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$405.840.5% of flowCommon StockSEC:0001093557-22-000064:0
16,251 shares@ US$0.0010.0% of flowCommon StockSEC:0001093557-22-000053:0
3,000 shares@ US$418.043.5% of flowCommon StockSEC:0001093557-22-000018:0
3,000 shares@ US$438.813.7% of flowCommon StockSEC:0001093557-22-000002:0
25 of 32 declarations
About Sayer Kevin R
SAYER KEVIN R is Directeur Général and Executive Chair at DEXCOM INC (XNAS). He has filed 28 reports in total, and across the 28 sampled filings between 2016-01-22 and 2026-07-07, the transactions are all sales, with a combined amount of EUR 29660082; the largest reported filings concern DEXCOM INC, including EUR 4652686.856127085 on 2023-01-31, EUR 4451655.710971985 on 2023-01-24, EUR 3648805.579981526 on 2024-03-14, EUR 3463370.676503722 on 2024-04-10, EUR 3239866.470154298 on 2023-03-02, and EUR 2095635.613607376 on 2025-03-14.
