Peter I. Tumminello sold DT Midstream Inc. ($DTM) shares once on the open market in the last year for a total of about $272,000. His most recent sale occurred on February 26, 2026. Among 11,678 insiders, his sales rank 7,775th by value, well below the average of $8.6 million across 6.4 transactions. He reported no open market purchases.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Feb. 26, 2026 | DT Midstream, Inc. | $DTM | Tumminello Peter I | Not found | S | Common Stock | 2002 | $135.79 | 11,386.0000 | 102,500,000 | 14.95% | 0.00% |
| Aug. 2, 2025 | DT Midstream, Inc. | $DTM | Tumminello Peter I | Not found | M | Restricted Stock Units | 1209 | $0.00 | 0.0000 | 98,400,000 | 100.00% | 0.00% |
| Aug. 2, 2025 | DT Midstream, Inc. | $DTM | Tumminello Peter I | Not found | M | Common Stock | 1443 | $0.00 | 13,388.0000 | 98,400,000 | 12.08% | 0.00% |
| May 6, 2025 | DT Midstream, Inc. | $DTM | Tumminello Peter I | Director | A | Restricted Stock Units | 1145 | $0.00 | 1,145.0000 | 98,400,000 | 9999.99% | 0.00% |
| Jan. 12, 2023 | DT Midstream, Inc. | $DTM | Tumminello Peter I | Director | P | Common Stock | 35 | $54.96 | 3,070.6670 | 97,200,000 | 1.16% | 0.00% |
| Oct. 13, 2022 | DT Midstream, Inc. | $DTM | Tumminello Peter I | Director | P | Common Stock | 35 | $54.36 | 3,035,323.0000 | 0 | 0.00% | 0.00% |
| April 13, 2023 | DT Midstream, Inc. | $DTM | Tumminello Peter I | Director | P | Common Stock | 43 | $49.02 | 3,113.8910 | 97,200,000 | 1.41% | 0.00% |
| July 13, 2023 | DT Midstream, Inc. | $DTM | Tumminello Peter I | Director | P | Common Stock | 106 | $52.64 | 10,108.2570 | 97,200,000 | 1.06% | 0.00% |
| Oct. 12, 2023 | DT Midstream, Inc. | $DTM | Tumminello Peter I | Director | P | Common Stock | 104 | $54.74 | 10,877.8730 | 97,200,000 | 0.96% | 0.00% |
| Jan. 11, 2024 | DT Midstream, Inc. | $DTM | Tumminello Peter I | Director | P | Common Stock | 108 | $53.18 | 10,985.8750 | 97,500,000 | 0.99% | 0.00% |
| April 11, 2024 | DT Midstream, Inc. | $DTM | Tumminello Peter I | Director | P | Common Stock | 98 | $62.99 | 11,084.2680 | 97,500,000 | 0.90% | 0.00% |
| July 12, 2024 | DT Midstream, Inc. | $DTM | Tumminello Peter I | Director | P | Common Stock | 88 | $71.13 | 11,172.4080 | 97,500,000 | 0.80% | 0.00% |
| Aug. 2, 2024 | DT Midstream, Inc. | $DTM | Tumminello Peter I | Director | M | Common Stock | 699 | $0.00 | 11,871.4080 | 97,500,000 | 6.26% | 0.00% |
| Oct. 14, 2024 | DT Midstream, Inc. | $DTM | Tumminello Peter I | Director | P | Common Stock | 73 | $86.28 | 11,944.8230 | 98,000,000 | 0.62% | 0.00% |
| Aug. 2, 2024 | DT Midstream, Inc. | $DTM | Tumminello Peter I | Director | M | Restricted Stock Units | 604 | $0.00 | 1,208.5000 | 97,500,000 | 33.33% | 0.00% |
| Aug. 2, 2024 | DT Midstream, Inc. | $DTM | Tumminello Peter I | Director | M | Restricted Stock Units | 604 | $0.00 | 1,208.5000 | 97,500,000 | 33.33% | 0.00% |
| Aug. 2, 2024 | DT Midstream, Inc. | $DTM | Tumminello Peter I | Director | M | Common Stock | 699 | $0.00 | 11,576.8730 | 97,500,000 | 6.43% | 0.00% |
| May 10, 2024 | DT Midstream, Inc. | $DTM | Tumminello Peter I | Director | A | Restricted Stock Units | 1758 | $0.00 | 1,758.0000 | 97,500,000 | 9999.99% | 0.00% |
| Aug. 2, 2023 | DT Midstream, Inc. | $DTM | Tumminello Peter I | Director | M | Common Stock | 666 | $0.00 | 10,554.0000 | 97,200,000 | 6.74% | 0.00% |
| Aug. 2, 2023 | DT Midstream, Inc. | $DTM | Tumminello Peter I | Director | M | Restricted Stock Units | 604 | $0.00 | 1,812.7500 | 97,200,000 | 25.00% | 0.00% |
| May 23, 2023 | DT Midstream, Inc. | $DTM | Tumminello Peter I | Director | P | Common Stock | 5000 | $47.35 | 9,888.0000 | 97,200,000 | 102.29% | 0.01% |
| May 5, 2023 | DT Midstream, Inc. | $DTM | Tumminello Peter I | Director | A | Restricted Stock Units | 2451 | $0.00 | 2,451.0000 | 97,200,000 | 9999.99% | 0.00% |
| May 5, 2023 | DT Midstream, Inc. | $DTM | Tumminello Peter I | Director | M | Restricted Stock Units | 1795 | $0.00 | 0.0000 | 97,200,000 | 100.00% | 0.00% |
| May 5, 2023 | DT Midstream, Inc. | $DTM | Tumminello Peter I | Director | M | Common Stock | 1888 | $0.00 | 4,888.0000 | 97,200,000 | 62.93% | 0.00% |