Dexcom Inc (DXCM): Congress and insider trades
Who in Congress and inside the company traded DXCM, when each filing appeared, and what buying after each one would have earned against the S&P 500.
Key Facts
- Dexcom Inc (DXCM) is a listed stock on NASDAQ.
- 12 members of Congress filed 24 buys and 32 sells of DXCM, the latest published 2026-07-08 (8 July 2026).
- Insiders filed 0 open market buys worth $0 and 10 sells worth $7.1M, the latest filed 2026-09-14 (14 September 2026).
- Across 13 scored buys, Congress averaged +2.2% against the S&P 500 (SPY) over the 90 days after disclosure, with 46% of them ahead of the index. That result is not distinguishable from luck.
- Data as of 2026-09-29 (29 September 2026).
Congress buys 24 12 members
Congress sells 32
Insider buys 0 $0
Insider sells 10 $7.1M
Congress buys vs S&P, 90d +2.2% 13 scored buys
Insider buys vs S&P, 90d n/a 0 scored buys
Congress trades in DXCM
as of 2026-07-08| Filed | Member | Type | Size | Days to file | 90 day vs S&P |
|---|---|---|---|---|---|
| 8 Jul 2026 | Ro Khanna (D-CA) | sell | 1K–15K | 6 | n/a |
| 11 Jun 2026 | Ro Khanna (D-CA) | buy | 1K–15K | 39 | +9.7% |
| 11 Jun 2026 | Ro Khanna (D-CA) | buy | 1K–15K | 13 | +9.7% |
| 11 Jun 2026 | Michael McCaul (R-TX) | sell | 1K–15K | 34 | n/a |
| 11 Jun 2026 | Ro Khanna (D-CA) | sell | 1K–15K | 25 | n/a |
| 13 May 2026 | Ro Khanna (D-CA) | sell | 1K–15K | 17 | n/a |
| 13 May 2026 | Ro Khanna (D-CA) | buy | 1K–15K | 28 | +53.5% |
| 10 May 2026 | Tina Smith (D-MN) | sell | 100K–250K | 3 | n/a |
| 10 May 2026 | Tina Smith (D-MN) | sell | 100K–250K | 11 | n/a |
| 9 Apr 2026 | Ro Khanna (D-CA) | sell | 1K–15K | 8 | n/a |
| 9 Apr 2026 | Ro Khanna (D-CA) | sell | 1K–15K | 15 | n/a |
| 12 Mar 2026 | Michael McCaul (R-TX) | sell | 1K–15K | 34 | n/a |
| 12 Mar 2026 | Ro Khanna (D-CA) | sell | 1K–15K | 32 | n/a |
| 12 Mar 2026 | Ro Khanna (D-CA) | buy | 1K–15K | 20 | +5.4% |
| 15 Feb 2026 | John Boozman (R-AR) | buy | 1K–15K | 20 | -16.0% |
| 15 May 2025 | Ro Khanna (D-CA) | sell | 1K–15K | 19 | n/a |
| 15 May 2025 | Michael McCaul (R-TX) | buy | 50K–100K | 34 | -15.3% |
| 9 May 2025 | Jefferson Shreve (R-IN) | sell | 15K–50K | 31 | n/a |
| 10 Nov 2023 | Ro Khanna (D-CA) | buy | 1K–15K | 8 | +8.2% |
| 10 Nov 2023 | Ro Khanna (D-CA) | sell | 1K–15K | 29 | n/a |
| 10 Nov 2023 | Ro Khanna (D-CA) | buy | 1K–15K | 37 | +8.2% |
| 16 Oct 2023 | Josh Gottheimer (D-NJ) | sell | 1K–15K | 33 | n/a |
| 9 Oct 2023 | Ro Khanna (D-CA) | sell | 1K–15K | 30 | n/a |
| 18 Sep 2023 | Josh Gottheimer (D-NJ) | sell | 1K–15K | 26 | n/a |
| 7 Sep 2023 | Ro Khanna (D-CA) | sell | 1K–15K | 8 | n/a |
| 14 Jun 2023 | Ro Khanna (D-CA) | buy | 1K–15K | 20 | -20.9% |
| 4 Jan 2023 | Ro Khanna (D-CA) | sell | 1K–15K | 29 | n/a |
| 17 Nov 2022 | Ro Khanna (D-CA) | sell | 1K–15K | 21 | n/a |
| 17 Nov 2022 | Ro Khanna (D-CA) | sell | 1K–15K | 20 | n/a |
| 17 Oct 2022 | Josh Gottheimer (D-NJ) | sell | 1K–15K | 18 | n/a |
| 12 Oct 2022 | Ro Khanna (D-CA) | buy | 1K–15K | 8 | -4.2% |
| 9 Sep 2022 | Ro Khanna (D-CA) | buy | 1K–15K | 38 | +27.6% |
| 9 Sep 2022 | Ro Khanna (D-CA) | buy | 1K–15K | 16 | +27.6% |
| 12 Aug 2022 | Ro Khanna (D-CA) | sell | 15K–50K | 21 | n/a |
| 11 Jul 2022 | Ro Khanna (D-CA) | sell | 1K–15K | 20 | n/a |
| 15 Jun 2022 | Ro Khanna (D-CA) | buy | 1K–15K | 31 | +25.1% |
| 15 Jun 2022 | Ro Khanna (D-CA) | buy | 1K–15K | 18 | +25.1% |
| 15 Jun 2022 | Ro Khanna (D-CA) | buy | 1K–15K | 36 | +25.1% |
| 11 Mar 2022 | Ro Khanna (D-CA) | buy | 1K–15K | 22 | -21.6% |
| 11 Mar 2022 | Ro Khanna (D-CA) | buy | 15K–50K | 19 | -21.6% |
| 9 Feb 2022 | Ro Khanna (D-CA) | sell | 1K–15K | 18 | n/a |
| 9 Feb 2022 | Ro Khanna (D-CA) | sell | 1K–15K | 28 | n/a |
| 24 Sep 2021 | Tom Suozzi (D-NY) | sell | 15K–50K | 112 | n/a |
| 16 Sep 2021 | Ro Khanna (D-CA) | buy | 1K–15K | 22 | -11.7% |
| 16 Sep 2021 | Ro Khanna (D-CA) | buy | 1K–15K | 20 | -11.7% |
| 16 Sep 2021 | Ro Khanna (D-CA) | buy | 1K–15K | 43 | -11.7% |
| 16 Sep 2021 | Ro Khanna (D-CA) | buy | 1K–15K | 30 | -11.7% |
| 16 Sep 2021 | Kevin Hern (R-OK) | buy | 100K–250K | 76 | -11.7% |
| 16 Sep 2021 | Ro Khanna (D-CA) | buy | 15K–50K | 29 | -11.7% |
| 17 Mar 2021 | Peter Meijer (R-MI) | sell | 1K–15K | 28 | n/a |
| 12 Jan 2021 | Gil Cisneros (D-CA) | sell | 1K–15K | 20 | n/a |
| 8 Jan 2021 | Josh Gottheimer (D-NJ) | sell | 1K–15K | 14 | n/a |
| 17 Dec 2020 | Ro Khanna (D-CA) | buy | 1K–15K | 43 | n/a |
| 12 Dec 2020 | Phil Roe (R-TN) | sell | 1K–15K | 43 | n/a |
| 9 Dec 2020 | Susie Lee (D-NV) | sell | 1K–15K | 67 | n/a |
| 17 Nov 2020 | Phil Roe (R-TN) | sell | 1K–15K | 32 | n/a |
Nothing matches that search.
Insider trades in DXCM
as of 2026-09-14| Filed | Insider | Type | Shares | Price | Value | 90 day vs S&P |
|---|---|---|---|---|---|---|
| 14 Sep 2026 | Sylvain Jereme M | sell | 3,638 | $83.27 | $303K | n/a |
| 28 Aug 2026 | Stern Sadie | sell | 2,565 | $88.37 | $227K | n/a |
| 4 Aug 2026 | FOLETTA MARK G | sell | 2,000 | $80.00 | $160K | n/a |
| 4 Aug 2026 | FOLETTA MARK G | sell | 2,000 | $85.32 | $171K | n/a |
| 21 Jul 2026 | SAYER KEVIN R | sell | 26,756 | $76.32 | $2.0M | n/a |
| 16 Jul 2026 | Brown Michael Jon | sell | 1,700 | $74.42 | $127K | n/a |
| 7 Jul 2026 | SAYER KEVIN R | sell | 26,756 | $72.00 | $1.9M | n/a |
| 26 May 2026 | SAYER KEVIN R | sell | 26,759 | $72.00 | $1.9M | n/a |
| 16 Apr 2026 | Brown Michael Jon | sell | 1,700 | $63.04 | $107K | n/a |
| 18 Mar 2026 | Brown Michael Jon | sell | 1,700 | $64.85 | $110K | n/a |
Nothing matches that search.
Related pages
Frequently asked questions
Who has bought DXCM?
24 Congress buys by 12 members and 0 insider buys are on file. The tables on this page list every one.
Did buying DXCM after a disclosure beat the market?
Across 13 scored buys, Congress averaged +2.2% against the S&P 500 (SPY) over the 90 days after disclosure, with 46% of them ahead of the index. That result is not distinguishable from luck. A single stock is a small sample.
Sources: Congressional trades: STOCK Act disclosures, collected from CapitolTrades. Insider trades: SEC Form 4 filings, collected from Finviz. Prices: Yahoo Finance daily adjusted closes. Data as of 2026-09-29 (29 September 2026). About these sources.
Not investment advice. Past disclosed trades do not predict future returns. Disclosures are published late, so the trades shown are ones you could only have copied after the fact. Talk to a licensed adviser before you invest.