CLSN Celsion Corporation
NASDAQNo longer listedCommon stock
CLSN was the NASDAQ ticker symbol of Celsion Corporation. It no longer appears in current US listing files, which usually means the security was delisted, acquired, merged, or moved to a new symbol.
CLSN at a glance
- Symbol
- CLSN
- Company / issuer
- Celsion Corporation
- Security type
- Common stock
- Last exchange
- NASDAQ
- Status
- No longer listed
- Seen in listing files
- Jan 2015 – Aug 2022
- Sector
- Health Care
- Industry
- Biotechnology: Pharmaceutical Preparations
- Country
- United States
- Last reported market cap
- $15.9 million (Aug 2022)
CLSN ticker history
All listing names we have recorded under the symbol CLSN, from periodic snapshots of US exchange listing files.
| Name | Security | First seen | Last seen |
|---|---|---|---|
| Celsion Corporation | Common Stock | Jan 2015 | Aug 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 CLSN?
CLSN was the ticker symbol of Celsion Corporation on NASDAQ.
Is CLSN still trading?
No. CLSN does not appear in current US exchange listings as of Sep 2026; it was last seen in our listing snapshots in Aug 2022.
Which exchange was CLSN listed on?
CLSN was listed on NASDAQ.
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