Summary
Updated Aug 31, 2026
Jason A. Okazaki is CEO and President of ASSEMBLY BIOSCIENCES, INC. (ASMB). 3 SEC Form 4 filings on record going back to 2024, most recently on 5 June 2026. Most recent open-market trade: sold $3K of ASMB on 4 October 2024. Lifetime open-market sales: $3K.
Recent Transactions
3Every recent SEC Form 4 transaction Jason A. Okazaki has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Jason A. Okazaki go back to 2024: 3 primary Form 4 filings, an average of 1.0 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 Jason A. Okazaki 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.
- Jeanette M. Bjorkquist - $9K of ASMB open-market activity in the last 12 months
- Nicole S. White - $5K of ASMB 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 Jason A. Okazaki?
Jason A. Okazaki is a corporate insider, tracked as CEO and President of ASSEMBLY BIOSCIENCES, INC. (ASMB). InsiderAlpha holds 3 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Jason A. Okazaki submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Jason A. Okazaki been buying or selling stock?
Recorded transactions: 0 open-market purchases and 1 open-market sale ($3K) across all tracked filings.
Where can I see all of Jason A. Okazaki'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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