ASEI American Science and Engineering, Inc.
NASDAQNo longer listed
ASEI was the NASDAQ ticker symbol of American Science and Engineering, 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.
ASEI at a glance
- Symbol
- ASEI
- Company / issuer
- American Science and Engineering, Inc.
- Last exchange
- NASDAQ
- Status
- No longer listed
- Seen in listing files
- Jan 2015
ASEI ticker history
All listing names we have recorded under the symbol ASEI, from periodic snapshots of US exchange listing files.
| Name | Security | First seen | Last seen |
|---|---|---|---|
| American Science and Engineering, Inc. | — | Jan 2015 | Jan 2015 |
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 ASEI?
ASEI was the ticker symbol of American Science and Engineering, Inc on NASDAQ.
Is ASEI still trading?
No. ASEI does not appear in current US exchange listings as of Sep 2026; it was last seen in our listing snapshots in Jan 2015.
Which exchange was ASEI listed on?
ASEI was listed on NASDAQ.
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