RSYS RadiSys Corporation
NASDAQNo longer listed
RSYS was the NASDAQ ticker symbol of RadiSys 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.
RSYS at a glance
- Symbol
- RSYS
- Company / issuer
- RadiSys Corporation
- Last exchange
- NASDAQ
- Status
- No longer listed
- Seen in listing files
- Jan 2015 – Aug 2018
RSYS ticker history
All listing names we have recorded under the symbol RSYS, from periodic snapshots of US exchange listing files.
| Name | Security | First seen | Last seen |
|---|---|---|---|
| RadiSys Corporation | — | Jan 2015 | Aug 2018 |
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 RSYS?
RSYS was the ticker symbol of RadiSys Corporation on NASDAQ.
Is RSYS still trading?
No. RSYS does not appear in current US exchange listings as of Sep 2026; it was last seen in our listing snapshots in Aug 2018.
Which exchange was RSYS listed on?
RSYS was listed on NASDAQ.
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