Diana T. Perkinson - SEC Form 4 Insider Trading Activity
Summary
Updated Aug 3, 2026
Diana T. Perkinson has filed 1 SEC Form 4 filing across 1 company in the last 90 days.
Profile
Diana T. Perkinson holds the role of Director at OMEROS CORP (OMER). Perkinson has reported 2 insider filings with the SEC since 2025. The most recent filing was in June 2026.
| Role | Director |
|---|---|
| Notability | 26/100 |
Board memberships
- OMEROS CORP
Reported roles
- Director
Trading Pattern
InsiderAlpha's records for Diana T. Perkinson 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.
Career & Filing History
Every role Diana T. Perkinson 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.
- Director at OMEROS CORP (OMER) - 2 filings, 2025 to 2026
Companies - Last 90 Days
- OMEROS CORP (OMER) - 1 filing, last 2026-06-22
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades at the companies Diana T. Perkinson 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.
- David J. Borges - $751K of OMER open-market activity in the last 12 months
- Thomas J. Cable - $87K of OMER open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
- Robert E. Dixon
- Romeo R. Dizon
- Kevin Michael Donahue
- DONEGAL MUTUAL INSURANCE CO
- DORCHESTER MINERALS OPERATING LP
- Robert W. Duggan
- John Earl
- EcoR1 Capital, LLC
Frequently Asked Questions
Who is Diana T. Perkinson?
Diana T. Perkinson holds the role of Director at OMEROS CORP (OMER). Perkinson has reported 2 insider filings with the SEC since 2025. The most recent filing was in June 2026.…
How many SEC Form 4 filings has Diana T. Perkinson submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Where can I see all of Diana T. Perkinson'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
Open the live Diana T. Perkinson profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.