Halozyme Therapeutics, Inc (HALO) insider trading
Every open-market stock purchase and sale by Halozyme Therapeutics, Inc executives, directors, large shareholders and members of Congress, from SEC Form 4 filings. Sector: Other.
Insider activity at a glance
- Helen Torley (CEO) and 2 others sold $22.1M in the last 90 days.
- Last insider buy: Kenneth J Kelley (Director), $250K, 6 years ago.
- Congress: Gilbert Cisneros sold $1K to $15K, 3 weeks ago.
Last 12 months: insiders bought $0 (0 buys) and sold $48.4M (24 sales). Last close $124.83 on Oct 21, 2026.
Recent HALO insider trades
| Date | Insider | Trade | Value |
|---|---|---|---|
| Oct 8, 2026 | Helen Torley (CEO) | Sold | $1.3M |
| Oct 8, 2026 | Helen Torley (CEO) | Sold | $520K |
| Oct 8, 2026 | Helen Torley (CEO) | Bought (not open market) | $368K |
| Oct 8, 2026 | Helen Torley (CEO) | Sold | $337K |
| Oct 8, 2026 | Helen Torley (CEO) | Sold | $22.1K |
| Oct 7, 2026 | Helen Torley (CEO) | Sold | $1.2M |
| Oct 7, 2026 | Helen Torley (CEO) | Sold | $955K |
| Oct 7, 2026 | Helen Torley (CEO) | Bought (not open market) | $368K |
| Oct 7, 2026 | Helen Torley (CEO) | Sold | $102K |
| Oct 7, 2026 | Helen Torley (CEO) | Sold | $22.7K |
| Oct 6, 2026 | Helen Torley (CEO) | Sold | $1.1M |
| Oct 6, 2026 | Helen Torley (CEO) | Sold | $656K |
| Oct 6, 2026 | Helen Torley (CEO) | Bought (not open market) | $368K |
| Oct 6, 2026 | Helen Torley (CEO) | Sold | $248K |
| Oct 6, 2026 | Helen Torley (CEO) | Sold | $197K |
| Oct 1, 2026 | Matthew L. Posard (Director) | Sold | $358K |
| Oct 1, 2026 | Matthew L. Posard (Director) | Sold | $121K |
| Oct 1, 2026 | Matthew L. Posard (Director) | Sold | $78.2K |
| Oct 1, 2026 | Matthew L. Posard (Director) | Sold | $11K |
| Oct 1, 2026 | James M Daly (Director) | Bought (not open market) | — |
| Oct 1, 2026 | James M Daly (Director) | Bought (not open market) | — |
| Sep 29, 2026 | Gilbert Cisneros (Representative) | Sold | $1K–15K |
| Sep 16, 2026 | Matthew L. Posard (Director) | Sold | $961K |
| Sep 16, 2026 | Matthew L. Posard (Director) | Sold | $436K |
| Sep 16, 2026 | Matthew L. Posard (Director) | Sold | $329K |
Who's trading HALO
- Helen Torley, CEO: sold $42.1M (85 sales), last Oct 8, 2026
- James M Daly, Director: other filings, last Oct 1, 2026
- Matthew L. Posard, Director: sold $2.6M (8 sales), last Oct 1, 2026
- Gilbert Cisneros, Representative: bought $8K (1 buy), sold $8K (1 sale), last Sep 29, 2026
- Dannielle Appelhans, Director: other filings, last Sep 1, 2026
- Bernadette Connaughton, Director: sold $839K (8 sales), last Aug 10, 2026
- David A Ramsay, President: other filings, last Jul 1, 2026
- Darren Snellgrove, CFO: other filings, last Jul 1, 2026
- Mahesh Krishnan, Director: sold $548K (1 sale), last Jun 29, 2026
- Mark Howard Snyder, C-suite exec: other filings, last Jun 12, 2026
- Jeffrey William Henderson, Insider: other filings, last May 5, 2026
- Barbara Gayle Duncan, Director: other filings, last May 5, 2026
- James Paul Lang, Director: other filings, last May 5, 2026
- Cortney Caudill, COO: sold $2.2M (4 sales), last Mar 10, 2026
- Nicole LaBrosse, CFO: other filings, last Feb 23, 2026
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