Arnold C. Hanish - SEC Form 4 Insider Trading Activity
Summary
Updated Aug 3, 2026
Arnold C. Hanish has filed 1 SEC Form 4 filing across 1 company in the last 90 days - buying. Lifetime open-market purchases: $4K.
Profile

Arnold C. Hanish holds the role of Director at OMEROS CORP (OMER). Hanish's filing history also covers Salarius Pharmaceuticals, Inc. (SLRX). Hanish has reported 3 insider filings with the SEC since 2025. The most recent filing was in June 2026.
| Role | Director |
|---|---|
| Notability | 26/100 |
Board memberships
- OMEROS CORP
- Salarius Pharmaceuticals, Inc.
Reported roles
- Director
- Director
Trading Pattern
InsiderAlpha's records for Arnold C. Hanish go back to 2025: 3 primary Form 4 filings, an average of 1.5 per year. The typical open-market purchase is $4K (1 buy totaling $4K). The largest single buy on record is $4K of SLRX in 2025. 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 Arnold C. Hanish 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
- Director at Salarius Pharmaceuticals, Inc. (SLRX) - 1 filing, 2025
Recent Transactions
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2025-11-24 | SLRX | Salarius Pharmaceuticals, Inc. | P - Open-market purchase | 5.0K | $0.75 | $4K |
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 Arnold C. Hanish 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:
- Audax Private Credit Business, LP
- Milton C. Ault III
- BAIN CAPITAL INVESTORS LLC
- Bain Capital Life Sciences Investors, LLC
- BAKER BROS. ADVISORS LP
- BANK OF AMERICA CORP /DE/
- BANKERS LIFE & CASUALTY CO
- John F. Barry
Frequently Asked Questions
Who is Arnold C. Hanish?
Arnold C. Hanish holds the role of Director at OMEROS CORP (OMER). Hanish's filing history also covers Salarius Pharmaceuticals, Inc. (SLRX). Hanish has reported 3 insider filings with the SEC since 2025. The most recent filing was in June 2026.…
How many SEC Form 4 filings has Arnold C. Hanish submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Arnold C. Hanish been buying or selling stock?
Recorded transactions: 1 open-market purchase ($4K) and 0 open-market sales across all tracked filings.
Where can I see all of Arnold C. Hanish'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 Arnold C. Hanish profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.