Company: ARWR
Filing Date: 2025-12-11
Form Type: S-3ASR
Source: 0001193125-25-314755
Chunk: 48

Company: ARROWHEAD PHARMACEUTICALS, INC.
Filing Date: 2025-12-11
Form: S-3ASR
Chunk 48
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 him or her and in his or her name, place and stead, in any and all capacities, to sign any and all amendments to this registration statement, and to file the same and all exhibits thereto and any other documents in connection therewith with the Securities and Exchange Commission, granting unto each attorney-in-factand agent full power and authority to do and perform each and every act and thing requisite and necessary to be done, as fully to all intents and purposes as he or she might or could do in person, hereby ratifying and confirming all that each attorney-in-factand agent or his or her substitute or substitutes may lawfully do or cause to be done by virtue hereof.

| Signature                
 /s/ Christopher Anzalone 
 Christopher Anzalone     
 /s/ Daniel Apel          
 Daniel Apel              |     | Title                                                                                     
 Chief Executive Officer and President and Director and Chairman of the Board of Directors 
 (Principal Executive Officer)                                                             
 Chief Financial Officer                                                                   
 (Principal Financial Officer and Principal Accounting Officer)                            |     | Date              
 December 10, 2025 
 December 10, 2025 |
|:-------------------------|:----|:------------------------------------------------------------------------------------------|:----|:------------------|
| /s/ Mauro Ferrari        
 Mauro Ferrari            |     | Director                                                                                  |     | December 10, 2025 |
| /s/ Douglass Ingram      
 Douglass Ingram          |     | Director                                                                                  |     | December 10, 2025 |
| /s/ Hongbo Lu            
 Hongbo Lu                |     | Director                                                                                  |     | December 10, 2025 |
| /s/ Adeoye Olukotun      
 Adeoye Olukotun          |     | Director                                                                                  |     | December 10, 2025 |
| /s/ Michael S. Perry     
 Michael S. Perry         |     | Director                                                                                  |     | December 10, 2025 |

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