AC Immune SA

Last updated September 27, 2026

Organization details

Legal name
AC Immune SA
Ownership
Public
Status
Active
Sector (GICS)
Health Care
SIC code
2834 — Pharmaceutical Preparations
Jurisdiction of incorporation
Switzerland
Headquarters city
1015 Lausanne
Headquarters country
Switzerland
Fiscal year end
December
Ticker symbol
ACIU
Primary stock exchange
Nasdaq

Identifiers

SEC CIK
0001651625

Board of directors

Chief executives

Andrea Pfeifer · Chief Executive Officer
Since March 2026
Martin Zuegel · Interim CEO Interim
Since March 2026

Insider trades

All notable trades →

From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.

Bought, last 12 months
$31,400
1 purchase by 1 insider
Sold, last 12 months
$27,900
1 sale by 1 insider
Date Insider Transaction Shares Price Value
Jun 11, 2026 Roy Ervin Twyman Director Grant or award +16,568 — —
Jun 11, 2026 Renee Aguiar-Lucander Director Grant or award +16,568 — —
Jun 11, 2026 Martin Zuegel Director, Officer (Interim CEO) Grant or award +33,136 — —
Jun 11, 2026 Monika Buetler Director Grant or award +17,751 — —
Jun 11, 2026 Carl Howard June Director Grant or award +16,568 — —
May 15, 2026 Andrea Pfeifer Director, Officer (Chief Executive Officer) Open-market sale −10,000 $2.79 $27,900
Apr 15, 2026 Andrea Pfeifer Director, Officer (Chief Executive Officer) Open-market purchase −10,000 $3.14 $31,400

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Questions about AC Immune SA

Who is the CEO of AC Immune SA?

Andrea Pfeifer has been AC Immune SA's Chief Executive Officer since March 2026.

How many directors are on AC Immune SA's board?

AC Immune SA's board has 7 directors: Andrea Pfeifer, Carl Howard June, Martin Zuegel, Monika Buetler, Renee Aguiar-Lucander, Roy Ervin Twyman and Thomas Graney.

Are AC Immune SA insiders buying or selling shares?

Over the last 12 months, AC Immune SA insiders bought $31,400 of shares in 1 purchase and sold $27,900 of shares in 1 sale on the open market, as reported to the SEC on Forms 4 and 5.

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