Summary
Updated Aug 30, 2026
Aoife Brennan is President and CEO of Climb Bio, Inc. (CLYM). 4 SEC Form 4 filings on record going back to 2025, most recently on 30 June 2026. Most recent open-market trade: sold $407K of CLYM on 30 June 2026. Lifetime open-market sales: $432K.
Recent Transactions
4Every recent SEC Form 4 transaction Aoife Brennan 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 Aoife Brennan 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.
- GILEAD SCIENCES, INC. - $2.00M of XLO open-market activity in the last 12 months
- Stephen Basil Thomas - $879K of CLYM open-market activity in the last 12 months
- James Samuel Shannon - $44K of XLO open-market activity in the last 12 months
- RA CAPITAL MANAGEMENT, L.P. - $25K of CLYM open-market activity in the last 12 months
- Christopher James Frankenfield - $5K of XLO open-market activity in the last 12 months
- Kevin M. Brennan - $1K of XLO 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 Aoife Brennan?
Aoife Brennan is a corporate insider, tracked as President and CEO of Climb Bio, Inc. (CLYM). InsiderAlpha holds 4 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Aoife Brennan submitted recently?
2 primary Form 4 filings in the last 90 days, covering 2 companies.
Has Aoife Brennan been buying or selling stock?
Recorded transactions: 0 open-market purchases and 2 open-market sales ($432K) across all tracked filings.
Where can I see all of Aoife Brennan'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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