# AC Immune (ACIU) — News

ACIU · NASDAQ · Stock

Canonical page: https://www.lighthorse.io/tickers/aciu/news

## Recent headlines

- [Trading released/resumed: (Attiu) Reason not available](https://www.ainvest.com/news/trading-released-resumed-attiu-reason-2610) — AInvest Wire, Oct 13, 2026
  Trading in the security known as "Attiu" has been temporarily halted, with the resumption date and reason for the halt not currently available to the public. Trading pauses are typically implemented to address market irregularities, ensure fair trading practices, or allow for dissemination of…
- [Trading released/resumed: (ATIU) Reason not available](https://www.ainvest.com/news/trading-released-resumed-atiu-reason-2610) — AInvest Wire, Oct 13, 2026
  Trading in the security identified by the symbol ATIU has resumed following a prior halt, though the specific reason for the halt remains unavailable at this time. According to standard trading halt protocols, such occurrences may be triggered by pending news releases, regulatory concerns , or…
- [Trading halted: (ATIU) Due to limit-up limit-down trading pause](https://www.ainvest.com/news/trading-halted-atiu-due-limit-limit-trading-pause-2610) — AInvest Wire, Oct 13, 2026
- [AC Immune's ACI-7104 meets primary endpoints in phase 2](https://www.ainvest.com/news/ac-immune-aci-7104-meets-primary-endpoints-phase-2-2609) — AInvest Wire, Sep 23, 2026
- [AC Immune AG - Discussions with FDA regarding ACI-7104 development path planned for early 2027](https://www.ainvest.com/news/ac-immune-ag-discussions-fda-aci-7104-development-path-planned-early-2027-2609) — AInvest Wire, Sep 23, 2026

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