Summary
Updated Aug 31, 2026
Donnell Michael J. O. is Director of CASSAVA SCIENCES INC (SAVA). 1 SEC Form 4 filing on record, dated 23 May 2025.
Trading Pattern
InsiderAlpha's records for Donnell Michael J. O. go back to 2025: 1 primary Form 4 filing, an average of 0.5 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 Donnell Michael J. O. 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.
- Richard Barry - $1.17M of SAVA open-market activity in the last 12 months
- Robert Christopher Cook - $40K of SAVA open-market activity in the last 12 months
- Robert Eugene Anderson Jr. - $25K of SAVA 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 Donnell Michael J. O.?
Donnell Michael J. O. is a corporate insider, tracked as Director of CASSAVA SCIENCES INC (SAVA). InsiderAlpha holds 1 primary Form 4 filing for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Donnell Michael J. O. last file a Form 4?
The only primary Form 4 on record is dated 23 May 2025.
Where can I see all of Donnell Michael J. O.'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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