Arrowhead (ARWR) Director Olukotun Sells 2,000 Shares

What Happened

• Adeoye Y. Olukotun, a director of Arrowhead Pharmaceuticals, sold 2,000 shares of ARWR common stock in an open-market transaction on August 18, 2026.
• Sale price was $86.96 per share, for total proceeds of $173,920. The transaction is reported on Form 4 as a disposition (code S).

Key Details

• Transaction date: 2026-08-18
• Price per share: $86.96
• Shares sold: 2,000 — Total proceeds: $173,920
• Transaction type: Open-market sale (Form 4 code S)
• Filing date: 2026-08-20 (reported to the SEC; appears timely)
• Shares owned after transaction: Not disclosed in the provided filing
• Footnote (F1): Reported ownership figures include previously disclosed shares underlying Restricted Stock Units (RSUs), a portion of which remain subject to vesting

Context

• This was a straight sale of shares (not an option exercise or grant). Sales by insiders can be routine (for diversification, tax, or liquidity) and do not by themselves indicate a change in the insider’s view of the company. The filing does not indicate a 10b5-1 plan or other special arrangements.