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ACIU AC Immune SA Insider Trading

Latest: CEO Bought $31K of Shares · Apr 2026
1 filing analyzed · Latest 2026-04-16
Insider buys
1
Insider sells
0
Unique insiders
1
Direction
Net buying
April 2026
2026-04-16
medium
Pfeifer Andrea Buy
Chief Executive Officer
10,000 shares
$31,425
@ $3.14
Significance 4/10

CEO Pfeifer purchased 10,000 shares of ACIU at $3.14 on 2026-04-15, holding 3.83M shares post-transaction

CEO Andrea Pfeifer purchased 10,000 shares at $3.14, increasing her holdings to 3,830,288 shares. The stock currently trades at $3.07, down 23.1% from its 52-week high of $3.99 and down 7.5% over the last 30 days. This modest 0.3% net increase relative to her existing 3.82M-share position represents a routine open-market transaction at a near-current price point rather than a material portfolio redeployment. The magnitude of the purchase relative to her substantial existing position, combined with the stock's recent downward pressure, warrants investor attention to broader company fundamentals but does not by itself signal material conviction or concern.

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