Peter I Tumminello - Net Worth and Insider Trading
Peter I Tumminello Net Worth
The estimated net worth of Peter I Tumminello is at least $4 Million dollars as of 2025-07-19. Peter I Tumminello is the EVP & Pres., Sequent Energy of AGL Resources Inc and owns about 39,925 shares of AGL Resources Inc (GAS) stock worth over $3 Million. Peter I Tumminello is also the Director of DT Midstream Inc and owns about 11,945 shares of DT Midstream Inc (DTM) stock worth over $1 Million. Details can be seen in Peter I Tumminello's Latest Holdings Summary section.
Disclaimer: The insider information is derived from SEC filings. The estimated net worth is based on the final shares held after open market or private purchases and sales of common stock with a transaction code of "P" or "S" on Form 4, assuming that Peter I Tumminello has not made any transactions after 2024-10-14 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.

Transaction Summary of Peter I Tumminello
Peter I Tumminello Insider Ownership Reports
Based on ownership reports from SEC filings, as the reporting owner, Peter I Tumminello owns 1 companies in total, including DT Midstream Inc (DTM) .
Click here to see the complete history of Peter I Tumminello’s form 4 insider trades.
Insider Ownership Summary of Peter I Tumminello
Ticker | Company | Transaction Date | Type of Owner |
---|---|---|---|
DTM | DT Midstream Inc | 2024-10-14 | director |
Peter I Tumminello Latest Holdings Summary
Peter I Tumminello currently owns a total of 2 stocks. Among these stocks, Peter I Tumminello owns 39,925 shares of AGL Resources Inc (GAS) as of March 7, 2016, with a value of $3 Million and a weighting of 67.88%. Peter I Tumminello also owns 11,945 shares of DT Midstream Inc (DTM) as of October 14, 2024, with a value of $1 Million and a weighting of 32.12%.
Latest Holdings of Peter I Tumminello
Ticker | Company | Latest Transaction Date | Shares Owned | Current Price ($) | Current Value ($) |
---|---|---|---|---|---|
GAS | AGL Resources Inc | 2016-03-07 | 39,925 | 65.97 | 2,633,852 |
DTM | DT Midstream Inc | 2024-10-14 | 11,945 | 104.34 | 1,246,341 |
Holding Weightings of Peter I Tumminello
Peter I Tumminello Form 4 Trading Tracker
According to the SEC Form 4 filings, Peter I Tumminello has made a total of 0 transactions in AGL Resources Inc (GAS) over the past 5 years. The most-recent trade in AGL Resources Inc is the sale of 1,865 shares on March 7, 2016, which brought Peter I Tumminello around $120,610.
According to the SEC Form 4 filings, Peter I Tumminello has made a total of 3 transactions in DT Midstream Inc (DTM) over the past 5 years, including 3 buys and 0 sells. The most-recent trade in DT Midstream Inc is the acquisition of 692 shares on October 14, 2024, which cost Peter I Tumminello around $41,800.
Insider Trading History of Peter I Tumminello
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Peter I Tumminello Trading Performance
GuruFocus tracks the stock performance after each of Peter I Tumminello's buying transactions within different timeframes. To be detailed, the average return of stocks after 3 months bought by Peter I Tumminello is 14.78%. GuruFocus also compares Peter I Tumminello's trading performance to market benchmark return within the same time period. The performance of stocks bought by Peter I Tumminello within 3 months outperforms 3 times out of 3 transactions in total compared to the return of S&P 500 within the same period.
You can select different timeframes to see how Peter I Tumminello's insider trading performs compared to the benchmark.
Performance of Peter I Tumminello
Peter I Tumminello Ownership Network
Ownership Network List of Peter I Tumminello
Ownership Network Relation of Peter I Tumminello

Peter I Tumminello Owned Company Details
What does DT Midstream Inc do?
Who are the key executives at DT Midstream Inc?
Peter I Tumminello is the director of DT Midstream Inc. Other key executives at DT Midstream Inc include Executive V.P. & CFO Jeffrey A Jewell , director & Executive Chairman Skaggs Robert C Jr , and E.V.P. & Gen Counsel & Corp Sec Wendy Ellis .
DT Midstream Inc (DTM) Insider Trades Summary
Over the past 18 months, Peter I Tumminello made 1 insider transaction in DT Midstream Inc (DTM) with a net purchase of 692. Other recent insider transactions involving DT Midstream Inc (DTM) include a net purchase of 835 shares made by Jeffrey A Jewell , a net purchase of 2,013 shares made by Skaggs Robert C Jr , and a net sale of 18,854 shares made by Wendy Ellis .
In summary, during the past 3 months, insiders sold 0 shares of DT Midstream Inc (DTM) in total and bought 65 shares, with a net purchase of 65 shares. During the past 18 months, 18,854 shares of DT Midstream Inc (DTM) were sold and 3,540 shares were bought by its insiders, resulting in a net sale of 15,314 shares.
DT Midstream Inc (DTM)'s detailed insider trading history can be found in Insider Trading Tracker table.
DT Midstream Inc Insider Transactions
Peter I Tumminello Mailing Address
Above is the net worth, insider trading, and ownership report for Peter I Tumminello. Based on the public information released on the U.S. Securities and Exchange Commission (SEC) website, Peter I Tumminello's mailing address is: Atlanta Ga 30309.