Summary
Updated Aug 31, 2026
Rubric Capital Management LP is 10% Owner of HERON THERAPEUTICS, INC. /DE/ (HRTX). 4 SEC Form 4 filings on record going back to 2024, most recently on 15 October 2025. Most recent open-market trade: sold $946K of COLL on 13 August 2025. Lifetime open-market purchases: $5.00M. Lifetime open-market sales: $1.00B. Historical track record: 1/5 stars across 3 tracked purchases.
Recent Transactions
5Every recent SEC Form 4 transaction Rubric Capital Management LP 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 Rubric Capital Management LP 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.
- Scott Dreyer - $2.02M of COLL open-market activity in the last 12 months
- John A. Fallon - $1.65M of COLL open-market activity in the last 12 months
- Colleen Tupper - $1.22M of COLL open-market activity in the last 12 months
- Gizman I. Abbas - $988K of TLN open-market activity in the last 12 months
- David Dieter - $716K of COLL open-market activity in the last 12 months
- Garen G. Bohlin - $323K of COLL 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 Rubric Capital Management LP?
Rubric Capital Management LP is an investment firm, tracked as 10% Owner of HERON THERAPEUTICS, INC. /DE/ (HRTX). InsiderAlpha holds 4 primary Form 4 filings for it, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Rubric Capital Management LP last file a Form 4?
The most recent primary Form 4 on record is dated 15 October 2025, one of 4 filings going back to 2024.
Has Rubric Capital Management LP been buying or selling stock?
Recorded transactions: 3 open-market purchases ($5.00M) and 2 open-market sales ($1.00B) across all tracked filings.
How accurate is Rubric Capital Management LP's historical track record?
Across 3 tracked purchases, Rubric Capital Management LP averaged -1.5% avg 30-day return with a 0% 30-day win rate. InsiderAlpha rates the track record at 1/5 stars.
Where can I see all of Rubric Capital Management LP'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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