| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
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| Insider | Role | Shares | Value | Buys | Sells |
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| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
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Director
1 company
Peter I Tumminello is Director at DTM. Peter I Tumminello's net worth is not public. Form 4 filings only show shares in the companies where this person is an insider; those holdings are worth an estimated $1.4M at current prices.
Our model assigns Peter I Tumminello a middling insider score of 50/100, based on 3 past trades. Over a 12-month horizon, 50.0% of those trades were profitable, with an average 12-month return of +18.7%.
Net of sales, the DTM filings show accumulation of 5,998 shares.
Peter I Tumminello has 12 Form 4 filings on record from August 2021 to May 2026, all as Director at DT Midstream (DTM), 2021–2026.
The 13 reported transactions were 6 option or other derivative awards, 4 option exercises, 2 open-market purchases and 1 open-market sale.
Counted by filing, the open-market trades come to 2 purchases worth about $401K and 1 sale worth about $272K.
The largest open-market purchase was 5,000 shares of DTM at an average $47.35 on May 23, 2023, about $237K. Twelve months later DTM was up 39%.
The only open-market sale was 2,002 shares of DTM at an average $135.79 on February 26, 2026, about $272K.