| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
COO | COO and General Counsel | General Counsel
1 company
Patrick O'Brien is COO at ARWR. From January 2017 to January 2026, the filings on record show 0 open-market purchases and 11 sales. Patrick O'Brien's net worth is not public. Form 4 filings only show shares in the companies where this person is an insider; those holdings are worth an estimated $32.6M at current prices.
Historically, Patrick O'Brien's trades have earned a strong insider score of 76/100 across 10 rated trades. Over a 12-month horizon, 77.8% of those trades were profitable, with an average 12-month return of +2.9%.
The ARWR filings lean toward selling, a net 416,492 shares.
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|
| Jan 18, 2019 | ARWR Arrowhead Pharmaceuticals, Inc. | General Counsel | Sell | 72,000 | $14.43 | $1,038,960.00 | -23.6% |