Time on boards
- Boards served
- 2
- Current seats
- 2
- Board service
- 7 years
- Director since
- 2023
7 years of board service in total across 2 boards, counting each seat separately. Longest: Decoy Therapeutics Inc., 3 years.
Shareholder support
Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
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Decoy Therapeutics Inc. December 31, 202592.3%
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Aug 31, 2026 | Decoy Therapeutics Inc. | Grant or award | +3,000 | — | — |
| Aug 27, 2026 | Omeros Corporation | Option exercise | +2,500 | $15.81 | $39,525 |
| Aug 27, 2026 | Omeros Corporation | Option exercise | +7,500 | $14.66 | $109,950 |
| Aug 27, 2026 | Omeros Corporation | Open-market sale | −5,000 | $18.88 | $94,400 |
| Aug 27, 2026 | Omeros Corporation | Open-market sale | −5,000 | $19.02 | $95,100 |
| Aug 26, 2026 | Omeros Corporation | Option exercise | +5,000 | $15.81 | $79,050 |
| Aug 26, 2026 | Omeros Corporation | Open-market sale | −5,000 | $18.53 | $92,650 |
| Dec 30, 2025 | Decoy Therapeutics Inc. | Open-market sale | −15 | $0.64 | $10 |
| Dec 30, 2025 | Decoy Therapeutics Inc. | Open-market sale | −12 | $0.64 | $8 |
| Nov 20, 2025 | Decoy Therapeutics Inc. | Open-market purchase | +5,000 | $0.75 | $3,750 |
| May 22, 2023 | Omeros Corporation | Option exercise | +5,000 | $5.30 | $26,500 |
| May 22, 2023 | Omeros Corporation | Open-market sale | −5,000 | $6.46 | $32,300 |
| Jan 3, 2023 | Decoy Therapeutics Inc. | Grant or award | +1,440 | — | — |
Questions about Arnold C. Hanish
What boards is Arnold C. Hanish on?
Arnold C. Hanish sits on the boards of Decoy Therapeutics Inc. and Omeros Corporation.
How long has Arnold C. Hanish served on boards?
Our records show at least 7 years of board service across 2 boards, the earliest from 2023.
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