
HALOZYME THERAPEUTICS, INC.
Nasdaq · Biological Products, (No Diagnostic Substances)
Company Overview
A concise company profile alongside the latest public filing activity.
Halozyme Therapeutics develops drug delivery technology based on its proprietary enzyme rHuPH20, which breaks down hyaluronan under the skin to enable faster subcutaneous delivery of injectable drugs and biologics. The company licenses this technology to pharmaceutical partners who incorporate it into their own drug formulations, earning royalty and milestone payments in return.
Company profile sourced from SEC filings.
Corporate Insider Trades
Open-market purchases and sales by directors, officers, and other company insiders.
| Insider | Type | Value | Shares / Price | Date |
|---|---|---|---|---|
| Torley HelenPRESIDENT AND CEO | Sell | $22K | 200at $110.51 | Oct 8, 2026 |
| Torley HelenPRESIDENT AND CEO | Sell | $656K | 6,000at $109.33 | Oct 6, 2026 |
| Torley HelenPRESIDENT AND CEO | Sell | $520K | 4,810at $108.18 | Oct 8, 2026 |
| Torley HelenPRESIDENT AND CEO | Sell | $337K | 3,090at $108.91 | Oct 8, 2026 |
| Torley HelenPRESIDENT AND CEO | Sell | $248K | 2,300at $107.90 | Oct 6, 2026 |
| Torley HelenPRESIDENT AND CEO | Sell | $197K | 1,780at $110.81 | Oct 6, 2026 |
| Torley HelenPRESIDENT AND CEO | Sell | $102K | 900at $112.78 | Oct 7, 2026 |
| Torley HelenPRESIDENT AND CEO | Sell | $23K | 200at $113.69 | Oct 7, 2026 |
| Torley HelenPRESIDENT AND CEO | Sell | $1.31M | 11,900at $110.00 | Oct 8, 2026 |
| Torley HelenPRESIDENT AND CEO | Sell | $1.15M | 10,300at $111.84 | Oct 7, 2026 |
| Torley HelenPRESIDENT AND CEO | Sell | $1.09M | 9,920at $109.89 | Oct 6, 2026 |
| Torley HelenPRESIDENT AND CEO | Sell | $955K | 8,600at $111.03 | Oct 7, 2026 |
| Torley HelenPRESIDENT AND CEO | Sell | $1.56M | 14,588at $107.01 | Sep 10, 2026 |
| Torley HelenPRESIDENT AND CEO | Sell | $1.43M | 13,304at $107.22 | Sep 9, 2026 |
| Torley HelenPRESIDENT AND CEO | Sell | $711K | 6,596at $107.82 | Sep 9, 2026 |
| Torley HelenPRESIDENT AND CEO | Sell | $582K | 5,412at $107.58 | Sep 10, 2026 |
| Torley HelenPRESIDENT AND CEO | Sell | $485K | 4,508at $107.55 | Sep 11, 2026 |
| Torley HelenPRESIDENT AND CEO | Sell | $11K | 100at $108.67 | Sep 9, 2026 |
| Torley HelenPRESIDENT AND CEO | Sell | $1.66M | 15,492at $107.15 | Sep 11, 2026 |
Source: SEC EDGAR Form 4 filings
Congressional Trades
Recent disclosures by members of the U.S. House and Senate.
| Member | Chamber | Type | Amount | Date |
|---|---|---|---|---|
| Gilbert CisnerosCA31 | House | Sell | $1,001 - $15,000 | Sep 29, 2026 |
Source: Senate eFD and House Clerk STOCK Act disclosures
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For informational purposes only, not investment advice. Filings can be delayed, corrected, or amended. Trading activity alone does not predict future performance.