AH Bio Fund IV, L.P. - SEC Form 4 Insider Trading Activity
10% Owner
Summary
Updated Aug 16, 2026
AH Bio Fund IV, L.P. has filed 1 SEC Form 4 filing across 1 company in the last 90 days - buying. Lifetime open-market purchases: $19.80M.
Trading Pattern
InsiderAlpha's records for AH Bio Fund IV, L.P. go back to 2026: 1 primary Form 4 filing, an average of 1.0 per year. The typical open-market purchase is $19.80M (1 buy totaling $19.80M). The largest single buy on record is $19.80M of BRVE in 2026. 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.
Career & Filing History
Every role AH Bio Fund IV, L.P. has reported on a Form 4, reconstructed from the filings themselves. Reporting insiders must state their relationship to the issuer (officer title, director seat, or 10% ownership) on every filing.
- 10% Owner at Braveheart Bio, Inc. (BRVE) - 1 filing, 2026
Recent Transactions
2Companies - Last 90 Days
1- Braveheart Bio, Inc. (BRVE) - 1 filing, last 2026-08-11
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades at the companies AH Bio Fund IV, L.P. has recently filed at. Multiple unrelated insiders buying the same stock within a short window - cluster buying - has historically been one of the strongest Form 4 signals.
- Forbion Growth Opportunities Fund III Cooperatief U.A. - $64.80M of BRVE open-market activity in the last 12 months
- Erez Chimovits - $34.92M of BRVE open-market activity in the last 12 months
- ORBIMED ADVISORS LLC - $34.92M of BRVE open-market activity in the last 12 months
- Christopher Viehbacher - $1.50M of BRVE open-market activity in the last 12 months
- Travis Murdoch - $1.50M of BRVE open-market activity in the last 12 months
- David Charles Lubner - $1000K of BRVE 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
What is AH Bio Fund IV, L.P.?
AH Bio Fund IV, L.P. is an investment firm - currently tracked as 10% Owner of Braveheart Bio, Inc. (BRVE). InsiderAlpha tracks every SEC Form 4 filing in real time.
How many SEC Form 4 filings has AH Bio Fund IV, L.P. submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has AH Bio Fund IV, L.P. been buying or selling stock?
Recorded transactions: 1 open-market purchase ($19.80M) and 0 open-market sales across all tracked filings.
Where can I see all of AH Bio Fund IV, L.P.'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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