Arrowhead Pharmaceuticals, Inc.
Could not find a ticker for this position, may be a filing error
A developer of RNA-interference medicines that silence disease-causing genes, Arrowhead's first FDA-approved drug, REDEMPLO, treats a rare condition called familial chylomicronemia syndrome by lowering triglycerides. The company began in 1989 as Arrowhead Research Corporation, a tech incubator that commercialized university patents, before pivoting to gene-silencing medicines after buying Roche's RNAi assets in 2011. Its name was chosen to symbolize a focused, forward-moving direction.
Convertible Senior Notes due 2032 (0%)
Sold 20.0K
Sold 13.1K
Sold 3.0K
Granted 11.9K
| Insider | Stake change | Holds now | Granted / vested | Bought | Sold |
|---|---|---|---|---|---|
| Hamilton James CChief Medical Officer · 2 transactions | -8.1% | 227.0K | — | — | 20.0K |
| Apel Daniel JosephChief Financial Officer · 3 transactions | -1.9% | 172.8K | — | — | 13.1K |
| Lu HongboDirector · 1 transaction | -5.4% | 52.0K | — | — | 3.0K |
| Cohen Matthew GregoryDirector · 1 transaction | — | 0 | 11.9K | — | — |
Select a row to see that insider’s individual transactions. Sum of the holdings confirmed in the 12 months before this insider's last filing. A Form 4 reports a holding per line — held directly, or through a named trust, partnership or foundation, and in each share class separately — never a person’s total. Lines not restated in that time are left out and shown apart: an active filer restates what they still hold, so a line they did not restate is more often an entity since renamed, whose shares a successor line reports too. An amber marker means some were left out.
Net open-market activity over the last 6 months: -36.1K shares. Grants, option exercises and tax withholding are excluded — they are compensation mechanics, not decisions to buy or sell.