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ACIU
NASDAQ Life Sciences

AC Immune Reports ACI-24 Alzheimer's Trial Safety, Plans Efficacy Boost, Secures $12M Takeda Milestone

Arie Shkolnikov · Analysis by Wiseek AI
More coverage: Biotech Stocks · Healthcare
Sentiment info
Neutral
Importance info
8
Price
$2.36
Mkt Cap
$270.718M
52W Low
$1.65
52W High
$4
52W Position info
43% above low
Off High info
41% below high
Rel. Volume info
0.5× avg
Market data snapshot near publication time

ACIU sits 43% above its 52-week low of $1.65.

Summary

AC Immune announced interim safety data for its Alzheimer's drug ACI-24, while also revealing plans to boost its efficacy with an adjuvant and securing a $12 million milestone payment from Takeda.


Key Events · Product Development and Regulatory · ACIU

  • Interim ACI-24 ABATE Trial Data

    12-month data from the Phase 1b/2 ABATE trial for ACI-24 in prodromal Alzheimer's disease showed the drug was generally safe and well tolerated with no amyloid-related imaging abnormalities-edema (ARIA-E).

  • Immunogenicity Enhancement Planned

    While anti-Abeta antibody responses were detected, the company noted the need to further enhance immunogenicity for more effective plaque removal, leading to the testing of an additional adjuvant in Cohort AD4.

  • Takeda Milestone Payment Received

    AC Immune received a $12 million milestone payment from Takeda upon dosing of the first patients in Cohort AD4, reflecting continued partnership commitment and providing non-dilutive funding.


Analysis · ACIU · Life Sciences

AC Immune released interim 12-month data from its Phase 1b/2 ABATE trial for ACI-24 in Alzheimer's disease, demonstrating a favorable safety profile. However, the company indicated a need to enhance immunogenicity for more effective plaque removal, leading to the evaluation of an additional adjuvant in a new cohort. This suggests the current formulation's efficacy may require optimization, potentially impacting the drug's development timeline. Concurrently, AC Immune received a $12 million milestone payment from Takeda, underscoring the partner's ongoing commitment to the program and providing substantial non-dilutive funding.

At the time of this filing, ACIU was trading at $2.36 on NASDAQ in the Life Sciences sector, with a market capitalization of approximately $270.7M. The 52-week trading range was $1.65 to $4.00. This filing was assessed with neutral market sentiment and an importance score of 8 out of 10.

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ACIU
Aug 05, 2026, 7:00 AM EDT
Filing Type: 6-K
Importance Score:
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Price at Filing: $2.23
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Change: +$0.050 (+2%) info
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ACIU
Jun 11, 2026, 4:53 PM EDT
Filing Type: 6-K
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ACIU
Jun 11, 2026, 7:15 AM EDT
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Change: +$0.100 (+5%) info
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ACIU
Jun 11, 2026, 7:00 AM EDT
Source: Dow Jones Newswires
Importance Score:
7
Price at Filing: $2.22
Real-time Price: $2.28 info
Change: +$0.060 (+3%) info
Market Cap: $232.044M info
ACIU
May 15, 2026, 9:17 AM EDT
Filing Type: 6-K
Importance Score:
8
Price at Filing: $2.80
Real-time Price: $2.28 info
Change: -$0.520 (-19%) info
Market Cap: $232.044M info