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 $15.1M in the last 90 days.
- Last insider buy: Kenneth J Kelley (Director), $250K, 6 years ago.
Last 12 months: insiders bought $0 (0 buys) and sold $43.9M (22 sales). Last close $112.45 on Sep 18, 2026.
Recent HALO insider trades
| Date | Insider | Trade | Value |
|---|---|---|---|
| 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 |
| Sep 16, 2026 | Matthew L. Posard (Director) | Sold | $320K |
| Sep 11, 2026 | Helen Torley (CEO) | Sold | $1.7M |
| Sep 11, 2026 | Helen Torley (CEO) | Sold | $485K |
| Sep 11, 2026 | Helen Torley (CEO) | Bought (not open market) | $368K |
| Sep 10, 2026 | Helen Torley (CEO) | Sold | $1.6M |
| Sep 10, 2026 | Helen Torley (CEO) | Sold | $582K |
| Sep 10, 2026 | Helen Torley (CEO) | Bought (not open market) | $368K |
| Sep 9, 2026 | Helen Torley (CEO) | Sold | $1.4M |
| Sep 9, 2026 | Helen Torley (CEO) | Sold | $711K |
| Sep 9, 2026 | Helen Torley (CEO) | Bought (not open market) | $368K |
| Sep 9, 2026 | Helen Torley (CEO) | Sold | $10.9K |
| Sep 1, 2026 | Dannielle Appelhans (Director) | Bought (not open market) | — |
| Sep 1, 2026 | Dannielle Appelhans (Director) | Bought (not open market) | — |
| Aug 19, 2026 | Helen Torley (CEO) | Sold | $1M |
| Aug 19, 2026 | Helen Torley (CEO) | Sold | $766K |
| Aug 19, 2026 | Helen Torley (CEO) | Bought (not open market) | $368K |
| Aug 19, 2026 | Helen Torley (CEO) | Sold | $345K |
| Aug 18, 2026 | Helen Torley (CEO) | Sold | $986K |
| Aug 18, 2026 | Helen Torley (CEO) | Sold | $588K |
| Aug 18, 2026 | Helen Torley (CEO) | Sold | $510K |
| Aug 18, 2026 | Helen Torley (CEO) | Bought (not open market) | $368K |
| Aug 17, 2026 | Helen Torley (CEO) | Sold | $923K |
Who's trading HALO
- Matthew L. Posard, Insider: sold $2M (4 sales), last Sep 16, 2026
- Helen Torley, CEO: sold $38.3M (82 sales), last Sep 11, 2026
- Dannielle Appelhans, Director: other filings, last Sep 1, 2026
- Bernadette Connaughton, Insider: sold $715K (6 sales), last Aug 10, 2026
- Mahesh Krishnan, Director: sold $548K (1 sale), last Jun 29, 2026
- Mark Howard Snyder, C-suite exec: other filings, last Jun 12, 2026
- Barbara Gayle Duncan, Director: other filings, last May 5, 2026
- Jeffrey William Henderson, Insider: other filings, last May 5, 2026
- James Paul Lang, Director: other filings, last May 5, 2026
- David A Ramsay, CFO: other filings, last Apr 1, 2026
- Cortney Caudill, COO: sold $2.2M (4 sales), last Mar 10, 2026
- Nicole LaBrosse, CFO: other filings, last Feb 23, 2026
Get free alerts when an insider at Halozyme Therapeutics, Inc files a new trade →