Summary
Updated Aug 31, 2026
Susan Altschuller is Chief Financial Officer of Climb Bio, Inc. (CLYM). 2 SEC Form 4 filings on record going back to 2025, most recently on 8 January 2026.
Trading Pattern
InsiderAlpha's records for Susan Altschuller go back to 2025: 2 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 Susan Altschuller 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.
- Stephen Basil Thomas - $879K of CLYM open-market activity in the last 12 months
- Aoife Brennan - $407K of CLYM open-market activity in the last 12 months
- RA CAPITAL MANAGEMENT, L.P. - $25K of CLYM 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 Susan Altschuller?
Susan Altschuller is a corporate insider, tracked as Chief Financial Officer of Climb Bio, Inc. (CLYM). InsiderAlpha holds 2 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Susan Altschuller last file a Form 4?
The most recent primary Form 4 on record is dated 8 January 2026, one of 2 filings going back to 2025.
Where can I see all of Susan Altschuller'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.
Learn More
Follow Susan Altschuller and every insider like them
A free account opens the full scored daily plan and every past day, a watchlist for any ticker, and 3 months of price history on every company page. No card.
Free plan available · Paid plans start with a 7-day free trial