CME Group Inc (CME): Congress and insider trades

Who in Congress and inside the company traded CME, when each filing appeared, and what buying after each one would have earned against the S&P 500.

Key Facts

  • CME Group Inc (CME) is a listed stock on NASDAQ.
  • 13 members of Congress filed 35 buys and 53 sells of CME, the latest published 2026-09-07 (7 September 2026).
  • Insiders filed 5 open market buys worth $594K and 3 sells worth $5.4M, the latest filed 2026-09-28 (28 September 2026).
  • Across 22 scored buys, Congress averaged +0.3% against the S&P 500 (SPY) over the 90 days after disclosure, with 41% of them ahead of the index. That result is not distinguishable from luck.
  • Across 2 scored buys, Insiders averaged -11.4% against the S&P 500 (SPY) over the 90 days after disclosure, with 50% of them ahead of the index. That result is too few trades to draw a conclusion.
  • Data as of 2026-09-29 (29 September 2026).
Congress buys 35 13 members
Congress sells 53
Insider buys 5 $594K
Insider sells 3 $5.4M
Congress buys vs S&P, 90d +0.3% 22 scored buys
Insider buys vs S&P, 90d -11.4% 2 scored buys

Congress trades in CME

as of 2026-09-07
  1. Ro Khanna37 trades
  2. Diana Harshbarger30 trades
  3. Kathy Manning7 trades
  4. Daniel S. Goldman2 trades
  5. Gil Cisneros2 trades
  6. Julie Johnson2 trades
  7. Zoe Lofgren2 trades
  8. Michael Burgess1 trade
Congress trades in CME, newest first.
FiledMemberTypeSizeDays to file90 day vs S&P
7 Sep 2026 Ro Khanna (D-CA) buy 1K–15K 32 n/a
12 Aug 2026 Ro Khanna (D-CA) buy 1K–15K 18 n/a
21 Jul 2026 Alan Armstrong (R-OK) buy 1K–15K 116 n/a
8 Jul 2026 Ro Khanna (D-CA) sell 1K–15K 34 n/a
8 Jul 2026 Ro Khanna (D-CA) sell 1K–15K 6 n/a
8 Jul 2026 Ro Khanna (D-CA) sell 15K–50K 20 n/a
3 Jul 2026 Gil Cisneros (D-CA) sell 1K–15K 16 n/a
16 Feb 2026 Gil Cisneros (D-CA) buy 1K–15K 35 -5.4%
16 Jan 2026 Julie Johnson (D-TX) sell 1K–15K 28 n/a
12 Dec 2025 Julie Johnson (D-TX) sell 1K–15K 28 n/a
9 May 2025 Rob Bresnahan (R-PA) buy 1K–15K 30 -4.8%
6 Sep 2023 Michael Burgess (R-TX) buy 15K–50K 27 +1.8%
12 Jul 2023 Ro Khanna (D-CA) buy 1K–15K 15 +21.7%
12 Jul 2023 Ro Khanna (D-CA) buy 1K–15K 12 +21.7%
14 Jun 2023 Ro Khanna (D-CA) sell 1K–15K 39 n/a
14 Jun 2023 Ro Khanna (D-CA) sell 1K–15K 20 n/a
14 Jun 2023 Ro Khanna (D-CA) sell 1K–15K 20 n/a
14 Jun 2023 Ro Khanna (D-CA) sell 1K–15K 24 n/a
7 Jun 2023 Zoe Lofgren (D-CA) sell 1K–15K 12 n/a
12 Apr 2023 Ro Khanna (D-CA) buy 1K–15K 14 -12.2%
12 Apr 2023 Ro Khanna (D-CA) buy 1K–15K 24 -12.2%
21 Mar 2023 Daniel S. Goldman (D-NY) sell 1M–5M 38 n/a
10 Mar 2023 Ro Khanna (D-CA) buy 1K–15K 26 -8.5%
27 Feb 2023 Daniel S. Goldman (D-NY) buy 1K–15K 24 -10.5%
9 Feb 2023 Ro Khanna (D-CA) buy 1K–15K 27 -1.1%
2 Feb 2023 Tom Carper (D-DE) buy 1K–15K 22 +6.2%
4 Jan 2023 Ro Khanna (D-CA) buy 1K–15K 28 +7.8%
7 Dec 2022 Ro Khanna (D-CA) sell 15K–50K 33 n/a
1 Dec 2022 Diana Harshbarger (R-TN) sell 1K–15K 25 n/a
1 Dec 2022 Diana Harshbarger (R-TN) sell 1K–15K 25 n/a
1 Dec 2022 Diana Harshbarger (R-TN) sell 1K–15K 25 n/a
7 Nov 2022 Diana Harshbarger (R-TN) sell 1K–15K 32 n/a
7 Nov 2022 Diana Harshbarger (R-TN) sell 1K–15K 32 n/a
7 Nov 2022 Diana Harshbarger (R-TN) sell 1K–15K 32 n/a
12 Oct 2022 Ro Khanna (D-CA) sell 1K–15K 31 n/a
12 Oct 2022 Ro Khanna (D-CA) sell 1K–15K 8 n/a
12 Oct 2022 Ro Khanna (D-CA) buy 1K–15K 29 -4.6%
9 Sep 2022 Ro Khanna (D-CA) sell 1K–15K 16 n/a
12 Aug 2022 Ro Khanna (D-CA) buy 15K–50K 21 -6.7%
11 Aug 2022 Kathy Manning (D-NC) buy 1K–15K 14 -6.3%
11 Jul 2022 Ro Khanna (D-CA) buy 1K–15K 20 -11.1%
7 Jul 2022 Kathy Manning (D-NC) sell 15K–50K 27 n/a
15 Jun 2022 Ro Khanna (D-CA) sell 15K–50K 36 n/a
15 Jun 2022 Ro Khanna (D-CA) sell 15K–50K 18 n/a
15 Jun 2022 Ro Khanna (D-CA) sell 1K–15K 15 n/a
15 Jun 2022 Ro Khanna (D-CA) sell 1K–15K 31 n/a
15 Jun 2022 Ro Khanna (D-CA) sell 1K–15K 36 n/a
7 Jun 2022 Kathy Manning (D-NC) sell 1K–15K 10 n/a
3 Jun 2022 Diana Harshbarger (R-TN) sell 1K–15K 31 n/a
3 Jun 2022 Diana Harshbarger (R-TN) sell 1K–15K 29 n/a
3 Jun 2022 Diana Harshbarger (R-TN) sell 1K–15K 31 n/a
3 Jun 2022 Diana Harshbarger (R-TN) sell 1K–15K 29 n/a
3 Jun 2022 Diana Harshbarger (R-TN) sell 1K–15K 31 n/a
11 Apr 2022 Ro Khanna (D-CA) sell 1K–15K 35 n/a
8 Apr 2022 Kathy Manning (D-NC) sell 1K–15K 35 n/a
30 Mar 2022 Diana Harshbarger (R-TN) sell 1K–15K 26 n/a
30 Mar 2022 Diana Harshbarger (R-TN) sell 1K–15K 26 n/a
30 Mar 2022 Diana Harshbarger (R-TN) sell 1K–15K 26 n/a
30 Mar 2022 Diana Harshbarger (R-TN) sell 1K–15K 22 n/a
30 Mar 2022 Diana Harshbarger (R-TN) sell 1K–15K 22 n/a
30 Mar 2022 Diana Harshbarger (R-TN) sell 1K–15K 22 n/a
1 Mar 2022 Diana Harshbarger (R-TN) sell 1K–15K 12 n/a
1 Mar 2022 Diana Harshbarger (R-TN) sell 1K–15K 12 n/a
1 Mar 2022 Diana Harshbarger (R-TN) sell 1K–15K 12 n/a
14 Feb 2022 Kathy Manning (D-NC) buy 1K–15K 340 -7.5%
14 Feb 2022 Kathy Manning (D-NC) buy 1K–15K 98 -7.5%
26 Jan 2022 Diana Harshbarger (R-TN) sell 1K–15K 21 n/a
26 Jan 2022 Diana Harshbarger (R-TN) sell 1K–15K 21 n/a
26 Jan 2022 Diana Harshbarger (R-TN) sell 1K–15K 21 n/a
10 Jan 2022 Rob Wittman (R-VA) sell 1K–15K 26 n/a
8 Dec 2021 Ro Khanna (D-CA) buy 1K–15K 32 +11.0%
8 Oct 2021 Zoe Lofgren (D-CA) buy 1K–15K 35 +6.2%
23 Sep 2021 Diana Harshbarger (R-TN) sell 1K–15K 28 n/a
16 Sep 2021 Ro Khanna (D-CA) buy 15K–50K 29 +16.2%
16 Sep 2021 Ro Khanna (D-CA) buy 1K–15K 40 +16.2%
16 Sep 2021 Ro Khanna (D-CA) buy 1K–15K 28 +16.2%
16 Sep 2021 Ro Khanna (D-CA) buy 1K–15K 22 +16.2%
28 Aug 2021 Diana Harshbarger (R-TN) buy 1K–15K 213 +10.2%
28 Aug 2021 Diana Harshbarger (R-TN) buy 1K–15K 213 +10.2%
28 Aug 2021 Diana Harshbarger (R-TN) buy 1K–15K 213 +10.2%
17 Aug 2021 Diana Harshbarger (R-TN) buy 1K–15K 202 +7.5%
17 Aug 2021 Diana Harshbarger (R-TN) buy 1K–15K 202 +7.5%
17 Aug 2021 Diana Harshbarger (R-TN) buy 1K–15K 202 +7.5%
7 Jul 2021 John Curtis (R-UT) sell 1K–15K 14 n/a
17 Apr 2021 Ro Khanna (D-CA) buy 1K–15K 39 -2.0%
5 Feb 2021 Kathy Manning (D-NC) buy 1K–15K 20 -2.2%
17 Dec 2020 Ro Khanna (D-CA) sell 15K–50K 43 n/a
17 Dec 2020 Ro Khanna (D-CA) sell 1K–15K 43 n/a

Insider trades in CME

as of 2026-09-28
Open market insider trades in CME, newest first.
FiledInsiderTypeSharesPriceValue90 day vs S&P
28 Sep 2026 SHEPARD WILLIAM R buy 293 $268.76 $78.6K n/a
14 Sep 2026 Cook Elizabeth A sell 500 $280.11 $140K n/a
11 Sep 2026 DUFFY TERRENCE A sell 15,000 $274.44 $4.1M n/a
29 Jun 2026 SHEPARD WILLIAM R buy 325 $230.57 $74.9K +17.0%
29 Jun 2026 SHEPARD WILLIAM R buy 14 $230.57 $3.3K +17.0%
30 Mar 2026 SHEPARD WILLIAM R buy 1,408 $297.38 $419K -39.8%
30 Mar 2026 SHEPARD WILLIAM R buy 62 $297.38 $18.5K -39.8%
19 Mar 2026 Marcus Jonathan L sell 3,291 $333.37 $1.1M n/a

Frequently asked questions

Who has bought CME?

35 Congress buys by 13 members and 5 insider buys are on file. The tables on this page list every one.

Did buying CME after a disclosure beat the market?

Across 22 scored buys, Congress averaged +0.3% against the S&P 500 (SPY) over the 90 days after disclosure, with 41% of them ahead of the index. That result is not distinguishable from luck. Across 2 scored buys, Insiders averaged -11.4% against the S&P 500 (SPY) over the 90 days after disclosure, with 50% of them ahead of the index. That result is too few trades to draw a conclusion. 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.