Form 4 Tracker
HALOZYME THERAPEUTICS, INC.
HALO

25 insider filings · Latest: May 11, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
Jan 5, 2026Jan 5 9:39 PMBERNADETTE CONNAUGHTON
Proposed Sale
2,000$70.31$140.6K

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Oct 1, 2025Oct 1 8:26 PMHelen Torley
Proposed Sale
136,569$73.34$10.0M

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Sep 10, 2025Sep 10 8:37 PMNICOLE LABROSSE
Proposed Sale
22,227$76.07$1.7M

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Sep 2, 2025Sep 2 8:38 PMBERNADETTE CONNAUGHTON
Proposed Sale
8,829$73.15$645.8K

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Jun 20, 2025Jun 20 8:25 PMHelen Torley
Proposed Sale
240,000$53.15$12.8M

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Feb 25, 2025Feb 25 9:32 PMMICHAEL LABARRE
Proposed Sale
21,697$58.50$1.3M

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Feb 3, 2025Feb 3 9:21 PMJEFFREY HENDERSON
Proposed Sale
15,000$56.64$849.6K

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Jan 6, 2025Jan 6 9:26 PMJEFFREY HENDERSON
Proposed Sale
10,000$47.74$477.4K

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Oct 16, 2024Oct 16 8:14 PMMICHAEL LABARRE
Proposed Sale
10,000$53.26$532.6K

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Oct 15, 2024Oct 15 8:34 PMMICHAEL LABARRE
Proposed Sale
10,000$53.75$537.5K

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Oct 9, 2024Oct 9 8:09 PMHELEN TORLEY
Proposed Sale
10,000$52.58$525.8K

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Oct 8, 2024Oct 8 8:08 PMHELEN TORLEY
Proposed Sale
10,000$54.00$540.0K

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Sep 26, 2024Sep 26 8:05 PMHELEN TORLEY
Proposed Sale
10,000$56.10$561.0K

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Sep 25, 2024Sep 25 8:00 PMHELEN TORLEY
Proposed Sale
10,000$56.34$563.4K

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Sep 24, 2024Sep 24 8:05 PMHELEN TORLEY
Proposed Sale
10,000$58.21$582.1K

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Sep 18, 2024Sep 18 8:01 PMMICHAEL LABARRE
Proposed Sale
10,000$62.03$620.3K

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Sep 17, 2024Sep 17 8:03 PMMICHAEL LABARRE
Proposed Sale
10,000$62.88$628.8K

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Sep 12, 2024Sep 12 8:12 PMHELEN TORLEY
Proposed Sale
10,000$59.20$592.0K

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Sep 11, 2024Sep 11 8:05 PMHELEN TORLEY
Proposed Sale
10,000$59.09$590.9K

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Sep 10, 2024Sep 10 8:16 PMHELEN TORLEY
Proposed Sale
10,000$59.09$590.9K

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Stock Options & Derivatives
Txn DateAcceptedInsiderTypeSharesExercise PriceShares OwnedFiling
May 13, 2026May 13 9:50 PMHelen TorleyDirector, PRESIDENT AND CEO
Option Exercise
10,000$12.0751,923(D)

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May 12, 2026May 13 9:50 PMHelen TorleyDirector, PRESIDENT AND CEO
Option Exercise
20,000$12.0761,923(D)

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May 11, 2026May 13 9:50 PMHelen TorleyDirector, PRESIDENT AND CEO
Option Exercise
20,000$12.0781,923(D)

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May 5, 2026May 7 11:04 PMMatthew L. PosardDirector
Grant/Award
6,040$65.876,040(D)

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May 5, 2026May 7 11:04 PMMahesh KrishnanDirector
Grant/Award
6,040$65.876,040(D)

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May 5, 2026May 7 11:03 PMJames Paul LangDirector
Grant/Award
6,040$65.876,040(D)

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May 5, 2026May 7 11:02 PMJeffrey William HendersonDirector
Grant/Award
6,040$65.876,040(D)

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May 5, 2026May 7 11:02 PMBarbara Gayle DuncanDirector
Grant/Award
6,040$65.876,040(D)

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May 5, 2026May 7 11:01 PMBernadette ConnaughtonDirector
Grant/Award
6,040$65.876,040(D)

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Apr 6, 2026Apr 7 9:13 PMHelen TorleyDirector, PRESIDENT AND CEO
Option Exercise
10,000$12.07101,923(D)

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Apr 1, 2026Apr 2 10:29 PMDavid A RamsayInterim CFO
Grant/Award
10,000$0.0010,000(D)

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Apr 2, 2026Apr 2 10:28 PMHelen TorleyDirector, PRESIDENT AND CEO
Option Exercise
20,000$12.07111,923(D)

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Apr 1, 2026Apr 2 10:28 PMHelen TorleyDirector, PRESIDENT AND CEO
Option Exercise
20,000$12.07131,923(D)

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Mar 10, 2026Mar 10 11:18 PMCortney CaudillSVP, CHIEF OPERATING OFFICER
Option Exercise
1,546$33.5167,678(D)

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Mar 9, 2026Mar 10 11:18 PMCortney CaudillSVP, CHIEF OPERATING OFFICER
Option Exercise
20,000$33.5169,224(D)

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Mar 4, 2026Mar 4 11:56 PMHelen TorleyDirector, PRESIDENT AND CEO
Option Exercise
10,000$12.07151,923(D)

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Mar 3, 2026Mar 4 11:56 PMHelen TorleyDirector, PRESIDENT AND CEO
Option Exercise
20,000$12.07161,923(D)

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Mar 2, 2026Mar 4 11:56 PMHelen TorleyDirector, PRESIDENT AND CEO
Option Exercise
20,000$12.07181,923(D)

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Feb 20, 2026Feb 24 11:19 PMCortney CaudillSVP, CHIEF OPERATING OFFICER
Option Exercise
2,666$0.007,998(D)

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Feb 23, 2026Feb 24 11:16 PMMark Howard SnyderSVP, CHIEF LEGAL OFFICER
Option Exercise
7,011$0.0014,022(D)

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