Summary
Updated Aug 30, 2026
Peter I. Tumminello files SEC Form 4 reports at DT Midstream, Inc. (DTM). 3 SEC Form 4 filings on record going back to 2025, most recently on 7 May 2026. Most recent open-market trade: sold $272K of DTM on 27 February 2026. Lifetime open-market sales: $272K.
Recent Transactions
2Every recent SEC Form 4 transaction Peter I. Tumminello has reported, most recent first.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Peter I. Tumminello files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Elaine M. Pickle - $199K of DTM open-market activity in the last 12 months
- Jeffrey A. Jewell - $67K of DTM open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Peter I. Tumminello?
Peter I. Tumminello is a corporate insider of DT Midstream, Inc. (DTM). InsiderAlpha holds 3 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Peter I. Tumminello last file a Form 4?
The most recent primary Form 4 on record is dated 7 May 2026, one of 3 filings going back to 2025.
Has Peter I. Tumminello been buying or selling stock?
Recorded transactions: 0 open-market purchases and 1 open-market sale ($272K) across all tracked filings.
Where can I see all of Peter I. Tumminello's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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