InsidersTradesSigma
Total declarations
Companies
▲ Purchases (0 ops.)
▼ Sales (9 ops.)
Insider track record
ExecutiveDisclosed buys
0
Disclosed sells
9
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Signal history
Browse the detailed record of transactions filed by O'Brien Patrick, Chief Operating Officer. Director active across 2 companies, notably Arrowhead Pharmaceuticals, INC.. Cumulatively, 21 disclosures have been recorded. Breakdown: 0 buy · 9 sells. Total volume traded: €1.9m. History available since 31 December 2021. The latest transaction was filed on 13 March 2026 (Attribution). Regulator: SEC (Form 4). The full history is free.
Companies and markets linked to O'Brien Patrick
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations21 total
3,026 sharesORDINARY SHARESSEC:0001385613-26-000082:0
9,273 shares0ORDINARY SHARESSEC:0001385613-26-000039:0
31,961 shares0ORDINARY SHARESSEC:0001385613-26-000012:0
540 shares0Common StockSEC:0001627183-26-000003:0
560 shares0Common StockSEC:0001627183-26-000001:0
7,500 shares@ US$13.48100.0% of flowORDINARY SHARESSEC:0001385613-25-000067:0
9,389 shares0ORDINARY SHARESSEC:0001385613-25-000032:0
29,277 shares0ORDINARY SHARESSEC:0001385613-25-000026:0
19,658 shares@ US$19.6912.5% of flowCommon StockSEC:0001628280-25-000806:1
100,000 shares0Common StockSEC:0001628280-25-000806:0
9,526 shares@ US$20.106.2% of flowCommon StockSEC:0001628280-25-000806:2
8,000 shares@ US$19.695.0% of flowCommon StockSEC:0001628280-25-000806:3
8,489 shares0ORDINARY SHARESSEC:0001385613-24-000026:0
3,849 shares@ US$31.833.7% of flowCommon StockSEC:0001628280-24-000744:0
9,413 shares0CLASS A ORDINARY SHARESSEC:0001385613-23-000032:0
7,500 shares@ US$37.398.8% of flowCommon StockSEC:0001209191-23-002481:0
2,653 shares@ US$37.533.1% of flowCommon StockSEC:0001209191-23-002114:0
32,000 shares@ US$6.156.2% of flowCommon StockSEC:0001209191-22-062530:0
16,781 shares0CLASS A ORDINARY SHARESSEC:0001385613-22-000049:0
12,434 shares@ US$60.490.0062% mcap40.7% of flowCommon StockSEC:0001209191-22-002599:0
28,000 shares@ US$6.150.0014% mcap9.3% of flowCommon StockSEC:0001209191-22-001308:0
21 of 21 declarations
About O'Brien Patrick
Patrick O'Brien serves as Chief Operating Officer and General Counsel at ARROWHEAD PHARMACEUTICALS, INC. He oversees the daily operations of the company while ensuring legal and regulatory compliance. Patrick brings valuable expertise in risk management and business strategy, contributing to Arrowhead's mission of developing innovative therapies. His role is essential in ensuring operational efficiency and protecting the company's interests.
