Summary
Updated Aug 31, 2026
Harry R. Trout III files SEC Form 4 reports at ENANTA PHARMACEUTICALS INC (ENTA). 3 SEC Form 4 filings on record, most recently on 5 December 2025. Most recent open-market trade: sold $8K of ENTA on 5 December 2025. Lifetime open-market sales: $13K.
Recent Transactions
4Every recent SEC Form 4 transaction Harry R. Trout III has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Harry R. Trout III go back to 2025: 3 primary Form 4 filings, an average of 1.5 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 Harry R. Trout III 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.
- Jay R. Luly - $67K of ENTA open-market activity in the last 12 months
- Yat Sun Or - $34K of ENTA open-market activity in the last 12 months
- Tara Lynn Kieffer - $30K of ENTA open-market activity in the last 12 months
- Brendan Luu - $20K of ENTA open-market activity in the last 12 months
- Scott T. Rottinghaus - $11K of ENTA open-market activity in the last 12 months
- Kathleen S. Capps - $7K of ENTA 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 Harry R. Trout III?
Harry R. Trout III is a corporate insider of ENANTA PHARMACEUTICALS INC (ENTA). InsiderAlpha holds 3 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Harry R. Trout III last file a Form 4?
The most recent primary Form 4 on record is dated 5 December 2025, one of 3 filings going back to 2025.
Has Harry R. Trout III been buying or selling stock?
Recorded transactions: 0 open-market purchases and 2 open-market sales ($13K) across all tracked filings.
Where can I see all of Harry R. Trout III'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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