Summary
Updated Aug 31, 2026
Henry Dieu is SVP & Chief Accounting Officer of TUTOR PERINI CORP (TPC). 3 SEC Form 4 filings on record, most recently on 23 June 2026.
Recent Transactions
4Every recent SEC Form 4 transaction Henry Dieu has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Henry Dieu go back to 2026: 3 primary Form 4 filings, an average of 3.0 per year. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Henry Dieu 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.
- Sidney J. Feltenstein - $26.12M of TPC open-market activity in the last 12 months
- Ronald N. Tutor - $15.52M of TPC open-market activity in the last 12 months
- Peter Arkley - $4.39M of TPC open-market activity in the last 12 months
- Robert C. Lieber - $2.06M of TPC open-market activity in the last 12 months
- Dale Anne Reiss - $1.23M of TPC open-market activity in the last 12 months
- Gary G. Smalley - $1.04M of TPC 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 Henry Dieu?
Henry Dieu is a corporate insider, tracked as SVP & Chief Accounting Officer of TUTOR PERINI CORP (TPC). InsiderAlpha holds 3 primary Form 4 filings for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Henry Dieu submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Where can I see all of Henry Dieu'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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