Roy Ervin Twyman - 18 Mar 2026 Form 3 Insider Report for AC Immune SA (ACIU)

Role
Director
Signature
/s/ Matthias Maurer, attorney-in-fact for Roy Twyman
Issuer symbol
ACIU
Transactions as of
18 Mar 2026
Net transactions value
$0
Form type
3
Filing time
18 Mar 2026, 12:34:34 UTC
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Twyman Roy Ervin Director EPFL INNOVATION PARK, BUILDING B, LAUSANNE, SWITZERLAND /s/ Matthias Maurer, attorney-in-fact for Roy Twyman 18 Mar 2026 0002117542

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
holding ACIU Common Shares 75,988 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 36,932 $5.39 Direct F2
holding ACIU Share Option (right to buy) 18 Mar 2026 Common Shares 15,714 $6.95 Direct F2
holding ACIU Share Option (right to buy) 18 Mar 2026 Common Shares 12,865 $7.23 Direct F2
holding ACIU Share Option (right to buy) 18 Mar 2026 Common Shares 23,204 $3.15 Direct F2
holding ACIU Share Option (right to buy) 18 Mar 2026 Common Shares 37,168 $2.15 Direct F2
holding ACIU Share Option (right to buy) 18 Mar 2026 Common Shares 14,094 $4.23 Direct F2
holding ACIU Share Option (right to buy) 18 Mar 2026 Common Shares 43,299 $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 49,988 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