Sammann Derek, Senior Managing Director and Global Head of Commodities Markets, sold CME Group Inc. ($CME) shares on the open market four times in the last year, totaling $3.3 million. His most recent sale occurred on November 20, 2025. These sales rank 2,557th among 11,678 individual insiders by value, below the average of $8.6 million across about 6.4 transactions per insider. He made no open market purchases during this period.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| March 15, 2026 | CME GROUP INC. | $CME | Sammann Derek | Sr MD Gl Hd Commodities Mkts | F | Common Stock Class A | 3627 | $311.40 | 31,362.0000 | 360,596,647 | 10.37% | 0.00% |
| March 15, 2026 | CME GROUP INC. | $CME | Sammann Derek | Sr MD Gl Hd Commodities Mkts | A | Common Stock Class A | 8256 | $311.40 | 34,989.0000 | 360,596,647 | 30.88% | 0.00% |
| Nov. 6, 2025 | CME GROUP INC. | $CME | Sammann Derek | Sr MD Gl Hd Commodities Mkts | J | Common Stock Class A | 2300 | $0.00 | 32,619.0000 | 360,596,647 | 7.59% | 0.00% |
| Nov. 6, 2025 | CME GROUP INC. | $CME | Sammann Derek | Sr MD Gl Hd Commodities Mkts | J | Common Stock Class A | 2300 | $0.00 | 26,733.0000 | 360,596,647 | 7.92% | 0.00% |
| Nov. 20, 2025 | CME GROUP INC. | $CME | Sammann Derek | Sr MD Gl Hd Commodities Mkts | S | Common Stock Class A | 1314 | $275.74 | 26,733.0000 | 360,596,647 | 4.68% | 0.00% |
| Nov. 20, 2025 | CME GROUP INC. | $CME | Sammann Derek | Sr MD Gl Hd Commodities Mkts | S | Common Stock Class A | 5886 | $275.65 | 26,733.0000 | 360,596,647 | 18.04% | 0.00% |
| Sept. 16, 2025 | CME GROUP INC. | $CME | Sammann Derek | Sr MD Gl Hd Commodities Mkts | F | Common Stock Class A | 379 | $259.83 | 33,933.0000 | 360,354,174 | 1.10% | 0.00% |
| Sept. 15, 2025 | CME GROUP INC. | $CME | Sammann Derek | Sr MD Gl Hd Commodities Mkts | F | Common Stock Class A | 1099 | $258.83 | 31,268.0000 | 360,354,174 | 3.40% | 0.00% |
| Sept. 15, 2025 | CME GROUP INC. | $CME | Sammann Derek | Sr MD Gl Hd Commodities Mkts | A | Common Stock Class A | 3044 | $258.83 | 34,312.0000 | 360,354,174 | 9.74% | 0.00% |
| March 18, 2025 | CME GROUP INC. | $CME | Sammann Derek | Sr MD Gl Hd Commodities Mkts | J | Common Stock Class A | 2175 | $0.00 | 32,367.0000 | 360,354,174 | 6.30% | 0.00% |
| March 18, 2025 | CME GROUP INC. | $CME | Sammann Derek | Sr MD Gl Hd Commodities Mkts | J | Common Stock Class A | 2175 | $0.00 | 34,542.0000 | 360,354,174 | 6.72% | 0.00% |
| May 5, 2025 | CME GROUP INC. | $CME | Sammann Derek | Sr MD Gl Hd Commodities Mkts | S | Common Stock Class A | 2175 | $280.63 | 32,367.0000 | 360,354,174 | 6.30% | 0.00% |
| May 5, 2025 | CME GROUP INC. | $CME | Sammann Derek | Sr MD Gl Hd Commodities Mkts | S | Common Stock Class A | 2475 | $280.60 | 32,367.0000 | 360,354,174 | 7.10% | 0.00% |
| March 15, 2025 | CME GROUP INC. | $CME | Sammann Derek | Sr MD Gl Hd Commodities Mkts | A | Common Stock Class A | 3883 | $258.68 | 38,725.0000 | 360,354,174 | 11.14% | 0.00% |
| March 15, 2025 | CME GROUP INC. | $CME | Sammann Derek | Sr MD Gl Hd Commodities Mkts | F | Common Stock Class A | 1708 | $258.68 | 37,017.0000 | 360,354,174 | 4.41% | 0.00% |
| Oct. 31, 2024 | CME GROUP INC. | $CME | Sammann Derek | Sr MD Gl Hd Commodities Mkts | G | Common Stock Class A | 2375 | $0.00 | 34,842.0000 | 0 | 7.32% | 0.00% |
| Oct. 31, 2024 | CME GROUP INC. | $CME | Sammann Derek | Sr MD Gl Hd Commodities Mkts | G | Common Stock Class A | 2375 | $0.00 | 34,842.0000 | 0 | 6.38% | 0.00% |
| March 15, 2025 | CME GROUP INC. | $CME | Sammann Derek | Sr MD Gl Hd Commodities Mkts | F | Common Stock Class A | 1708 | $258.68 | 37,017.0000 | 360,354,174 | 4.41% | 0.00% |
| March 15, 2025 | CME GROUP INC. | $CME | Sammann Derek | Sr MD Gl Hd Commodities Mkts | A | Common Stock Class A | 3883 | $258.68 | 38,725.0000 | 360,354,174 | 11.14% | 0.00% |
| Sept. 16, 2024 | CME GROUP INC. | $CME | Sammann Derek | Sr MD Gl Hd Commodity & Option | A | Common Stock Class A | 3604 | $218.53 | 34,842.0000 | 0 | 11.54% | 0.00% |
| Sept. 15, 2024 | CME GROUP INC. | $CME | Sammann Derek | Sr MD Gl Hd Commodity & Option | F | Common Stock Class A | 1506 | $216.99 | 31,238.0000 | 0 | 4.60% | 0.00% |
| May 14, 2024 | CME GROUP INC. | $CME | Sammann Derek | Sr MD Gl Hd Commodity & Option | G | Common Stock Class A | 3789 | $0.00 | 32,744.0000 | 0 | 10.37% | 0.00% |
| May 14, 2024 | CME GROUP INC. | $CME | Sammann Derek | Sr MD Gl Hd Commodity & Option | G | Common Stock Class A | 3789 | $0.00 | 32,744.0000 | 0 | 13.09% | 0.00% |
| March 15, 2024 | CME GROUP INC. | $CME | Sammann Derek | Sr MD Gl Hd Commodity & Option | A | Common Stock Class A | 6803 | $217.50 | 35,758.0000 | 0 | 23.50% | 0.00% |
| March 15, 2024 | CME GROUP INC. | $CME | Sammann Derek | Sr MD Gl Hd Commodity & Option | F | Common Stock Class A | 3014 | $217.50 | 32,744.0000 | 0 | 8.43% | 0.00% |
| Dec. 4, 2023 | CME GROUP INC. | $CME | Sammann Derek | Sr MD Gl Hd Commodity & Option | S | Common Stock Class A | 1862 | $222.07 | 28,955.0000 | 0 | 6.04% | 0.00% |
| Dec. 1, 2023 | CME GROUP INC. | $CME | Sammann Derek | Sr MD Gl Hd Commodity & Option | S | Common Stock Class A | 9750 | $220.50 | 28,955.0000 | 0 | 25.19% | 0.00% |
| Dec. 1, 2023 | CME GROUP INC. | $CME | Sammann Derek | Sr MD Gl Hd Commodity & Option | S | Common Stock Class A | 931 | $220.51 | 30,817.0000 | 0 | 2.93% | 0.00% |
| Nov. 7, 2023 | CME GROUP INC. | $CME | Sammann Derek | Sr MD Gl Hd Commodity & Option | G | Common Stock Class A | 514 | $0.00 | 41,498.0000 | 0 | 1.25% | 0.00% |
| Nov. 7, 2023 | CME GROUP INC. | $CME | Sammann Derek | Sr MD Gl Hd Commodity & Option | G | Common Stock Class A | 514 | $0.00 | 41,498.0000 | 0 | 1.22% | 0.00% |
| Nov. 2, 2023 | CME GROUP INC. | $CME | Sammann Derek | Sr MD Gl Hd Commodity & Option | G | Common Stock Class A | 1752 | $0.00 | 41,498.0000 | 0 | 4.41% | 0.00% |
| Nov. 2, 2023 | CME GROUP INC. | $CME | Sammann Derek | Sr MD Gl Hd Commodity & Option | G | Common Stock Class A | 1752 | $0.00 | 41,498.0000 | 0 | 4.05% | 0.00% |
| Sept. 16, 2023 | CME GROUP INC. | $CME | Sammann Derek | Sr MD Gl Hd Commodity & Option | F | Common Stock Class A | 301 | $206.82 | 41,498.0000 | 0 | 0.72% | 0.00% |
| Sept. 15, 2023 | CME GROUP INC. | $CME | Sammann Derek | Sr MD Gl Hd Commodity & Option | A | Common Stock Class A | 3808 | $206.82 | 42,976.0000 | 0 | 9.72% | 0.00% |
| Sept. 15, 2023 | CME GROUP INC. | $CME | Sammann Derek | Sr MD Gl Hd Commodity & Option | F | Common Stock Class A | 1177 | $206.82 | 41,799.0000 | 0 | 2.74% | 0.00% |
| Aug. 10, 2023 | CME GROUP INC. | $CME | Sammann Derek | Sr MD Gl Hd Commodity & Option | G | Common Stock Class A | 2650 | $0.00 | 39,168.0000 | 0 | 6.34% | 0.00% |
| Aug. 10, 2023 | CME GROUP INC. | $CME | Sammann Derek | Sr MD Gl Hd Commodity & Option | G | Common Stock Class A | 278 | $0.00 | 39,168.0000 | 0 | 0.70% | 0.00% |
| Sept. 22, 2022 | CME GROUP INC. | $CME | Sammann Derek | Sr MD Gl Hd Commodity & Option | G | Common Stock Class A | 2186 | $0.00 | 42,096.0000 | 0 | 4.94% | 0.00% |
| Sept. 22, 2022 | CME GROUP INC. | $CME | Sammann Derek | Sr MD Gl Hd Commodity & Option | G | Common Stock Class A | 2186 | $0.00 | 42,096.0000 | 0 | 5.48% | 0.00% |