Monika Buetler - 18 Mar 2026 Form 3 Insider Report for AC Immune SA (ACIU)

Role
Director
Signature
/s/ Matthias Maurer, attorney-in-fact for Monika Buetler
Issuer symbol
ACIU
Transactions as of
18 Mar 2026
Net transactions value
$0
Form type
3
Filing time
18 Mar 2026, 12:35:38 UTC
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Buetler Monika Director EPFL INNOVATION PARK, BUILDING B, LAUSANNE, SWITZERLAND /s/ Matthias Maurer, attorney-in-fact for Monika Buetler 18 Mar 2026 0002115138

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
holding ACIU Common Shares 53,905 18 Mar 2026 Direct F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
holding ACIU Share Option (right to buy) 18 Mar 2026 Common Shares 14,310 $5.31 Direct F2
holding ACIU Share Option (right to buy) 18 Mar 2026 Common Shares 56,204 $3.15 Direct F2
holding ACIU Share Option (right to buy) 18 Mar 2026 Common Shares 39,823 $2.15 Direct F2
holding ACIU Share Option (right to buy) 18 Mar 2026 Common Shares 15,501 $4.23 Direct F2
holding ACIU Share Option (right to buy) 18 Mar 2026 Common Shares 46,392 $1.84 Direct F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Includes 52,905 common shares underlying outstanding restricted share units.
F2 The share option is fully vested.
F3 The share option will fully vest on June 17, 2026.

Remarks:

Exhibit 24 - Power of Attorney