SIEN Sientra Inc.
NASDAQNo longer listedCommon stock
SIEN was the NASDAQ ticker symbol of Sientra 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.
SIEN at a glance
- Symbol
- SIEN
- Company / issuer
- Sientra Inc.
- Security type
- Common stock
- Last exchange
- NASDAQ
- Status
- No longer listed
- Seen in listing files
- Jan 2015 – Jan 2024
- Sector
- Health Care
- Industry
- Industrial Specialties
- Country
- United States
- IPO year
- 2014
- Last reported market cap
- $8.1 million (Jan 2024)
SIEN ticker history
All listing names we have recorded under the symbol SIEN, from periodic snapshots of US exchange listing files.
| Name | Security | First seen | Last seen |
|---|---|---|---|
| Sientra Inc. | Common Stock | Jan 2015 | Jan 2024 |
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 SIEN?
SIEN was the ticker symbol of Sientra Inc on NASDAQ.
Is SIEN still trading?
No. SIEN does not appear in current US exchange listings as of Sep 2026; it was last seen in our listing snapshots in Jan 2024.
Which exchange was SIEN listed on?
SIEN was listed on NASDAQ.
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