ARNA Arena Pharmaceuticals Inc.
NASDAQNo longer listedCommon stock
ARNA was the NASDAQ ticker symbol of Arena Pharmaceuticals Inc. It no longer appears in current US listing files, which usually means the security was delisted, acquired, merged, or moved to a new symbol.
ARNA at a glance
- Symbol
- ARNA
- Company / issuer
- Arena Pharmaceuticals Inc.
- Security type
- Common stock
- Last exchange
- NASDAQ
- Status
- No longer listed
- Seen in listing files
- Jan 2015 – Feb 2022
- Sector
- Health Care
- Industry
- Biotechnology: Pharmaceutical Preparations
- Country
- United States
- IPO year
- 2000
- Last reported market cap
- $5.8 billion (Feb 2022)
ARNA ticker history
All listing names we have recorded under the symbol ARNA, from periodic snapshots of US exchange listing files.
| Name | Security | First seen | Last seen |
|---|---|---|---|
| Arena Pharmaceuticals Inc. | Common Stock | Jan 2015 | Feb 2022 |
Snapshots have gaps (notably 2018–2021, and 2015–2021 for NYSE listings), so the actual delisting date may be later than the last-seen date.
Frequently asked questions
What company has the ticker symbol ARNA?
ARNA was the ticker symbol of Arena Pharmaceuticals Inc on NASDAQ.
Is ARNA still trading?
No. ARNA does not appear in current US exchange listings as of Sep 2026; it was last seen in our listing snapshots in Feb 2022.
Which exchange was ARNA listed on?
ARNA was listed on NASDAQ.
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