Summary
Updated Aug 30, 2026
Yat Sun Or is Chief Scientific Officer of ENANTA PHARMACEUTICALS INC (ENTA). 7 SEC Form 4 filings on record going back to 2024, most recently on 13 February 2026. Most recent open-market trade: sold $34K of ENTA on 5 December 2025. Lifetime open-market sales: $55K.
Recent Transactions
7Every recent SEC Form 4 transaction Yat Sun Or 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 Yat Sun Or 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
- 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
- Harry R. Trout III - $13K 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 Yat Sun Or?
Yat Sun Or is a corporate insider, tracked as Chief Scientific Officer of ENANTA PHARMACEUTICALS INC (ENTA). InsiderAlpha holds 7 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Yat Sun Or last file a Form 4?
The most recent primary Form 4 on record is dated 13 February 2026, one of 7 filings going back to 2024.
Has Yat Sun Or been buying or selling stock?
Recorded transactions: 0 open-market purchases and 2 open-market sales ($55K) across all tracked filings.
Where can I see all of Yat Sun Or'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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