HALO
HALOZYME THERAPEUTICS, INC.
NASDAQ · Healthcare · Biotechnology · US
$112.45
+2.53%0
Insider buys (3m)
28
Insider sells (3m)
-$15.8M
Net value (3m)
+61.5%
Price return (3m)
Form 4 filings
| Date | Insider | Activity | Shares | Price |
|---|---|---|---|---|
| Sep 17, 2026 | Posard Matthew L. · director | Sale | 4,000 | $109 |
| Sep 17, 2026 | Posard Matthew L. · director | Sale | 8,896 | $108 |
| Sep 17, 2026 | Posard Matthew L. · director | Sale | 3,000 | $107 |
| Sep 17, 2026 | Posard Matthew L. · director | Sale | 3,100 | $106 |
| Sep 11, 2026 | Torley Helen · director, officer: PRESIDENT AND CEO | Sale | 5,412 | $108 |
| Sep 11, 2026 | Torley Helen · director, officer: PRESIDENT AND CEO | Sale | 13,304 | $107 |
| Sep 11, 2026 | Torley Helen · director, officer: PRESIDENT AND CEO | Sale | 14,588 | $107 |
| Sep 11, 2026 | Torley Helen · director, officer: PRESIDENT AND CEO | Sale | 4,508 | $108 |
| Sep 11, 2026 | Torley Helen · director, officer: PRESIDENT AND CEO | M-Exempt | 20,000 | $18 |
| Sep 11, 2026 | Torley Helen · director, officer: PRESIDENT AND CEO | Sale | 6,596 | $108 |
| Sep 11, 2026 | Torley Helen · director, officer: PRESIDENT AND CEO | Sale | 15,492 | $107 |
| Sep 11, 2026 | Torley Helen · director, officer: PRESIDENT AND CEO | Sale | 100 | $109 |
| Sep 2, 2026 | Appelhans Dannielle · director | A-Award | 1,161 | $0.00 |
| Sep 2, 2026 | Appelhans Dannielle · director | A-Award | 1,778 | $108 |
| Aug 19, 2026 | Torley Helen · director, officer: PRESIDENT AND CEO | Sale | 7,500 | $103 |
| Aug 19, 2026 | Torley Helen · director, officer: PRESIDENT AND CEO | Sale | 4,897 | $104 |
| Aug 19, 2026 | Torley Helen · director, officer: PRESIDENT AND CEO | Sale | 7,200 | $106 |
| Aug 19, 2026 | Torley Helen · director, officer: PRESIDENT AND CEO | M-Exempt | 20,000 | $18 |
| Aug 19, 2026 | Torley Helen · director, officer: PRESIDENT AND CEO | Sale | 9,600 | $107 |
| Aug 19, 2026 | Torley Helen · director, officer: PRESIDENT AND CEO | Sale | 3,200 | $108 |
| Aug 19, 2026 | Torley Helen · director, officer: PRESIDENT AND CEO | Sale | 5,703 | $103 |
| Aug 19, 2026 | Torley Helen · director, officer: PRESIDENT AND CEO | Sale | 9,000 | $103 |
| Aug 19, 2026 | Torley Helen · director, officer: PRESIDENT AND CEO | Sale | 900 | $99 |
| Aug 19, 2026 | Torley Helen · director, officer: PRESIDENT AND CEO | Sale | 500 | $100 |
| Aug 19, 2026 | Torley Helen · director, officer: PRESIDENT AND CEO | Sale | 9,400 | $105 |
| Aug 19, 2026 | Torley Helen · director, officer: PRESIDENT AND CEO | Sale | 2,100 | $102 |
| Aug 11, 2026 | Connaughton Bernadette · director | Sale | 1,626 | $103 |
| Jul 9, 2026 | Torley Helen · director, officer: PRESIDENT AND CEO | Sale | 1,035 | $80 |
| Jul 9, 2026 | Torley Helen · director, officer: PRESIDENT AND CEO | Sale | 888 | $79 |
| Jul 9, 2026 | Torley Helen · director, officer: PRESIDENT AND CEO | M-Exempt | 1,923 | $12 |
Institutional positioning
13F filings over the trailing two quarters
New 206Increased 502Reduced 428Sold out 69
| Filer | Action | Shares | Filed |
|---|---|---|---|
| BlackRock, Inc. | Increased | 13,271,095 | Aug 7, 2026 |
| BLACKROCK, INC. | Increased | 13,265,053 | May 13, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | Increased | 5,351,312 | Aug 13, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Increased | 5,299,008 | Aug 13, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 5,271,218 | May 15, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | New Position | 5,249,206 | May 8, 2026 |
| STATE STREET CORP | Increased | 5,179,434 | Aug 7, 2026 |
| STATE STREET CORP | Reduced | 4,937,854 | May 15, 2026 |
| INVESCO LTD. | Increased | 4,012,494 | May 12, 2026 |
| Invesco Ltd. | Reduced | 3,177,997 | Aug 14, 2026 |
| BANK OF AMERICA CORP /DE/ | Increased | 2,913,109 | May 18, 2026 |
| MORGAN STANLEY | Increased | 2,832,594 | Aug 13, 2026 |
| Boston Partners | Increased | 2,773,568 | Aug 4, 2026 |
| BANK OF AMERICA CORP /DE/ | Reduced | 2,740,561 | Aug 14, 2026 |
| BOSTON PARTNERS | Increased | 2,683,683 | May 11, 2026 |
Insider activity from SEC Form 4; institutional positioning from 13F filings · Latest filing Sep 17, 2026