Summary
Updated Aug 31, 2026
Adage Capital Management, L.P. is 10% Owner of Praxis Precision Medicines, Inc. (PRAX). 1 SEC Form 4 filing on record, dated 16 October 2025. Most recent open-market trade: sold $1.13M of PRAX on 16 October 2025. Lifetime open-market sales: $33.20M.
Recent Transactions
10Every recent SEC Form 4 transaction Adage Capital Management, L.P. has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Adage Capital Management, L.P. 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 Adage Capital Management, L.P. 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.
- Alex Nemiroff - $4.85M of PRAX open-market activity in the last 12 months
- Jill Desimone - $3.61M of PRAX open-market activity in the last 12 months
- Lauren Mastrocola - $2.61M of PRAX 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 Adage Capital Management, L.P.?
Adage Capital Management, L.P. is an investment firm, tracked as 10% Owner of Praxis Precision Medicines, Inc. (PRAX). InsiderAlpha holds 1 primary Form 4 filing for it, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Adage Capital Management, L.P. last file a Form 4?
The only primary Form 4 on record is dated 16 October 2025.
Has Adage Capital Management, L.P. been buying or selling stock?
Recorded transactions: 0 open-market purchases and 10 open-market sales ($33.20M) across all tracked filings.
Where can I see all of Adage Capital Management, 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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