Patrick O'Brien - 06 Jan 2026 Form 4 Insider Report for ARROWHEAD PHARMACEUTICALS, INC. (ARWR)

Role
COO
Signature
/s/Patrick O'Brien
Issuer symbol
ARWR
Transactions as of
06 Jan 2026
Net transactions value
$0
Form type
4
Filing time
08 Jan 2026, 18:45:43 UTC
Previous filing
05 Jan 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
O'Brien Patrick COO 177 E. COLORADO BLVD, SUITE 700, PASADENA /s/Patrick O'Brien 08 Jan 2026 0001627183

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction ARWR Common Stock Gift $0 -540 -0.11% $0.000000 474,368 06 Jan 2026 Direct F1, F2
transaction ARWR Common Stock Gift $0 -540 -0.11% $0.000000 473,828 06 Jan 2026 Direct F1, F2
transaction ARWR Common Stock Gift $0 -540 -0.11% $0.000000 473,288 06 Jan 2026 Direct F1, F2
transaction ARWR Common Stock Gift $0 -440 -0.09% $0.000000 472,848 06 Jan 2026 Direct F1, F2
transaction ARWR Common Stock Gift $0 -440 -0.09% $0.000000 472,408 06 Jan 2026 Direct F1, F2
transaction ARWR Common Stock Award $0 +75,000 +16% $0.000000 547,408 06 Jan 2026 Direct F2, F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Gift to relatives
F2 Includes previously reported shares of common stock underlying Restricted Stock Units granted to the Reporting person, a portion of which are still subject to certain vesting conditions.
F3 Represents shares underlying restricted stock units which will vest in four equal annual installments.