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Halozyme Therapeutics, Inc.

$63.74+0.18 (+0.28%)

Prev Close

$63.56

Open

$64.31

High

$64.58

Low

$63.22

Volume

741.2K

Market Cap

$7.99B

P/E

24.80

Div Yield

Over the past 12 months, insider activity at Halozyme Therapeutics, Inc. (HALO) has been exclusively selling, with 0 insider purchases totaling $0.00 and 22 insider sales totaling $45.55M. The most recent insider transaction was by Caudill Cortney (officer: SVP, CHIEF OPERATING OFFICER), who sold $1.96M worth of shares on Mar 10, 2026. Halozyme Therapeutics, Inc. operates in the Healthcare sector, within the Biotechnology industry, with a market cap of $7.99B.

Buys (12M)

0

$0.00

Sells (12M)

22

$45.55M

Net Activity

Net Seller

$45.55M

Active Insiders

6

last 12 mo

HALO Price Chart

HALO Insider Trading Activity

DateInsiderRoleTypeSharesAvg PriceValueShares After
Mar 10, 2026Caudill Cortneyofficer: SVP, CHIEF OPERATING OFFICERSell28,857$67.75$1.96M16,466
Mar 4, 2026Torley Helendirector, officer: PRESIDENT AND CEOSell100,000$69.52$6.95M783,680
Feb 17, 2026Torley HelenPRESIDENT AND CEOSell48,043$79.44$3.82M0
Feb 16, 2026LaBrosse NicoleSVP, CHIEF FINANCIAL OFFICERSell12,894$79.44$1.02M0
Feb 16, 2026Snyder Mark HowardSVP, CHIEF LEGAL OFFICERSell9,068$79.44$720.4K0
Feb 5, 2026Torley Helendirector, officer: PRESIDENT AND CEOSell50,000$77.07$3.85M726,168
Jan 6, 2026Connaughton BernadettedirectorSell2,000$70.25$140.5K40,123
Dec 1, 2025Connaughton BernadetteDirectorSell829$71.60$59.4K42,123
Dec 1, 2025Torley HelenPRESIDENT AND CEOSell16,569$68.92$1.14M714,882
Nov 12, 2025Connaughton BernadetteDirectorSell2,000$68.48$137.0K42,952
Nov 12, 2025Torley HelenPRESIDENT AND CEOSell60,000$69.47$4.17M749,219
Oct 3, 2025Torley HelenPRESIDENT AND CEOSell60,000$71.86$4.31M747,119
Oct 1, 2025Connaughton BernadetteSell2,000$75.24$150.5K45,452
Sep 23, 2025LaBrosse NicoleSVP, CHIEF FINANCIAL OFFICERSell2,227$77.95$173.6K22,393
Sep 11, 2025LaBrosse NicoleSVP, CHIEF FINANCIAL OFFICERSell20,000$75.71$1.51M37,546
Sep 4, 2025Torley HelenPRESIDENT AND CEOSell60,000$74.08$4.44M753,419
Sep 2, 2025Connaughton BernadetteSell4,000$73.68$294.7K50,852
Aug 13, 2025Torley HelenPRESIDENT AND CEOSell60,000$63.62$3.82M740,677
Jul 10, 2025Torley HelenPRESIDENT AND CEOSell60,000$56.46$3.39M750,121
Jun 24, 2025Torley HelenPRESIDENT AND CEOSell60,000$53.09$3.19M749,230
Apr 28, 2025Henderson Jeffrey WilliamSell4,497$60.37$271.5K28,811
Apr 1, 2025Henderson Jeffrey WilliamSell503$64.05$32.2K33,108
Mar 3, 2025Henderson Jeffrey WilliamSell5,000$58.69$293.5K36,816
Feb 27, 2025LaBarre Michael J.SVP, CHIEF TECHNICAL OFFICERSell21,697$58.10$1.26M186,153
Feb 4, 2025Henderson Jeffrey WilliamSell5,000$56.30$281.5K42,511
Jan 7, 2025Henderson Jeffrey WilliamSell10,000$50.01$500.1K43,611
Oct 16, 2024LaBarre Michael J.SVP, CHIEF TECHNICAL OFFICERSell20,000$53.50$1.07M173,833
Oct 9, 2024Torley HelenPRESIDENT AND CEOSell20,000$53.29$1.07M680,763
Sep 26, 2024Torley HelenPRESIDENT AND CEOSell30,000$56.88$1.71M676,744
Sep 18, 2024LaBarre Michael J.SVP, CHIEF TECHNICAL OFFICERSell20,000$62.46$1.25M175,793
Sep 12, 2024Torley HelenPRESIDENT AND CEOSell30,000$59.13$1.77M676,744
Aug 21, 2024LaBarre Michael J.SVP, CHIEF TECHNICAL OFFICERSell20,000$61.40$1.23M168,276
Aug 15, 2024Torley HelenPRESIDENT AND CEOSell30,000$57.15$1.71M683,481
Aug 14, 2024Posard Matthew L.Sell29,881$56.53$1.69M89,755
Jul 24, 2024LaBarre Michael J.SVP, CHIEF TECHNICAL OFFICERSell20,000$55.00$1.10M173,467
Jul 23, 2024LaBrosse NicoleSVP, CHIEF FINANCIAL OFFICERSell5,000$53.93$269.7K15,480
Jun 28, 2024LaBrosse NicoleSVP, CHIEF FINANCIAL OFFICERSell30,000$51.93$1.56M15,480
Jun 20, 2024LaBarre Michael J.SVP, CHIEF TECHNICAL OFFICERSell10,000$49.43$494.3K168,176
Jun 13, 2024Posard Matthew L.Sell20,000$50.32$1.01M109,755
May 22, 2024LaBarre Michael J.SVP, CHIEF TECHNICAL OFFICERSell20,000$45.27$905.5K168,176
Apr 17, 2024LaBarre Michael J.SVP, CHIEF TECHNICAL OFFICERSell20,000$38.42$768.4K168,176
Mar 13, 2024LaBarre Michael J.SVP, CHIEF TECHNICAL OFFICERSell20,000$41.96$839.1K156,558
Feb 28, 2024LaBarre Michael J.SVP, CHIEF TECHNICAL OFFICERSell20,000$39.75$794.9K159,087
Jan 18, 2024LaBarre Michael J.SVP, CHIEF TECHNICAL OFFICERSell20,000$36.00$720.0K151,911
Dec 13, 2023LaBarre Michael J.SVP, CHIEF TECHNICAL OFFICERSell20,000$40.01$800.3K152,554
Nov 16, 2023LaBarre Michael J.SVP, CHIEF TECHNICAL OFFICERSell20,000$39.43$788.7K151,911
Oct 17, 2023LaBarre Michael J.SVP, CHIEF TECHNICAL OFFICERSell10,000$36.52$365.2K151,911
Sep 19, 2023LaBarre Michael J.SVP, CHIEF TECHNICAL OFFICERSell10,000$39.10$391.0K151,911
Aug 31, 2023Torley HelenPRESIDENT AND CEOSell30,000$42.69$1.28M623,666
Aug 23, 2023LaBarre Michael J.SVP, CHIEF TECHNICAL OFFICERSell10,000$42.41$424.1K151,911
Aug 17, 2023Torley HelenPRESIDENT AND CEOSell30,000$43.49$1.30M623,666
Aug 15, 2023Daly James MSell20,000$43.73$874.5K30,503
Jul 27, 2023Torley HelenPRESIDENT AND CEOSell30,000$43.09$1.29M623,666
Jul 19, 2023LaBarre Michael J.SVP, CHIEF TECHNICAL OFFICERSell10,000$40.43$404.3K141,911
Jun 22, 2023LaBarre Michael J.SVP, CHIEF TECHNICAL OFFICERSell10,000$36.00$360.0K141,911
Apr 19, 2023LaBarre Michael J.SVP, CHIEF TECHNICAL OFFICERSell10,000$36.00$360.0K141,911
Mar 9, 2023Torley HelenPRESIDENT AND CEOSell30,000$43.82$1.31M623,666
Mar 1, 2023Henderson Jeffrey WilliamSell20,000$48.11$962.2K49,045
Feb 28, 2023LaBarre Michael J.SVP, CHIEF TECHNICAL OFFICERSell10,000$49.55$495.5K141,911
Feb 21, 2023LaBarre Michael J.SVP, CHIEF TECHNICAL OFFICERSell2,878$49.26$141.8K148,927
Feb 21, 2023LaBrosse NicoleSVP, CHIEF FINANCIAL OFFICERSell2,525$49.26$124.4K9,066
Feb 21, 2023Torley HelenPRESIDENT AND CEOSell11,061$49.26$544.9K633,666
Feb 17, 2023LaBarre Michael J.SVP, CHIEF TECHNICAL OFFICERSell10,000$48.39$483.9K143,477
Feb 9, 2023Torley HelenPRESIDENT AND CEOSell30,000$51.01$1.53M587,177
Jan 19, 2023Torley HelenPRESIDENT AND CEOSell30,000$51.31$1.54M588,280
Jan 18, 2023LaBarre Michael J.SVP, CHIEF TECHNICAL OFFICERSell10,000$50.46$504.6K144,259
Dec 15, 2022Torley HelenPRESIDENT AND CEOSell30,000$58.11$1.74M588,073
Dec 13, 2022LaBarre Michael J.SVP, CHIEF TECHNICAL OFFICERSell10,000$58.67$586.7K158,202
Dec 6, 2022Posard Matthew L.Sell30,000$56.89$1.71M125,189
Nov 17, 2022Torley HelenPRESIDENT AND CEOSell30,000$53.39$1.60M587,190
Nov 16, 2022LaBarre Michael J.SVP, CHIEF TECHNICAL OFFICERSell10,000$54.13$541.3K166,260
Nov 16, 2022LaBrosse NicoleSVP, CHIEF FINANCIAL OFFICERSell5,000$53.81$269.1K4,410
Nov 8, 2021Torley HelenPresident and CEOSell50,000$39.82$1.99M549,385
Nov 5, 2021MATSUI CONNIEDirectorSell32,000$40.38$1.29M194,531
Oct 4, 2021Torley HelenPresident and CEOSell50,000$40.09$2.00M543,017
Oct 1, 2021LaBarre Michael J.SVP, Chief Technical OfficerSell29,450$39.93$1.18M148,796
Sep 7, 2021Torley HelenPresident and CEOSell50,000$42.38$2.12M543,720
Aug 25, 2021BIZZARI JEAN-PIERREDirectorSell35,000$41.01$1.44M52,544
Aug 10, 2021Torley HelenPresident and CEOSell50,000$41.11$2.06M562,022
Jul 6, 2021LaBarre Michael J.SVP, Chief Technical OfficerSell40,315$45.70$1.84M134,111
Jul 6, 2021Torley HelenPresident and CEOSell50,000$45.97$2.30M537,160
Jun 7, 2021Torley HelenPresident and CEOSell50,000$39.66$1.98M537,160
May 11, 2021Torley HelenPresident and CEOSell50,000$43.02$2.15M578,704
Apr 14, 2021Kelley Kenneth JDirectorSell5,000$45.00$225.0K179,833
Apr 5, 2021Torley HelenPresident and CEOSell50,000$42.55$2.13M537,160
Apr 1, 2021LaBarre Michael J.SVP, Chief Technical OfficerSell28,689$42.56$1.22M141,794
Mar 1, 2021Kelley Kenneth JDirectorSell5,000$45.34$226.7K185,333
Mar 1, 2021LaBarre Michael J.SVP, Chief Technical OfficerSell18,324$45.81$839.4K129,330
Mar 1, 2021Torley HelenPresident and CEOSell50,000$46.19$2.31M571,050

HALO Insider Buying Activity

The following table shows recent insider purchases of Halozyme Therapeutics, Inc. (HALO) stock reported via SEC Form 4 filings.

No insider buying activity found for HALO in the last 12 months.

HALO Insider Selling Activity

The following table shows recent insider sales of Halozyme Therapeutics, Inc. (HALO) stock reported via SEC Form 4 filings.

DateInsiderRoleTypeSharesAvg PriceValueShares After
Mar 10, 2026Caudill Cortneyofficer: SVP, CHIEF OPERATING OFFICERSell28,857$67.75$1.96M16,466
Mar 4, 2026Torley Helendirector, officer: PRESIDENT AND CEOSell100,000$69.52$6.95M783,680
Feb 17, 2026Torley HelenPRESIDENT AND CEOSell48,043$79.44$3.82M0
Feb 16, 2026LaBrosse NicoleSVP, CHIEF FINANCIAL OFFICERSell12,894$79.44$1.02M0
Feb 16, 2026Snyder Mark HowardSVP, CHIEF LEGAL OFFICERSell9,068$79.44$720.4K0
Feb 5, 2026Torley Helendirector, officer: PRESIDENT AND CEOSell50,000$77.07$3.85M726,168
Jan 6, 2026Connaughton BernadettedirectorSell2,000$70.25$140.5K40,123
Dec 1, 2025Connaughton BernadetteDirectorSell829$71.60$59.4K42,123
Dec 1, 2025Torley HelenPRESIDENT AND CEOSell16,569$68.92$1.14M714,882
Nov 12, 2025Connaughton BernadetteDirectorSell2,000$68.48$137.0K42,952
Nov 12, 2025Torley HelenPRESIDENT AND CEOSell60,000$69.47$4.17M749,219
Oct 3, 2025Torley HelenPRESIDENT AND CEOSell60,000$71.86$4.31M747,119
Oct 1, 2025Connaughton BernadetteSell2,000$75.24$150.5K45,452
Sep 23, 2025LaBrosse NicoleSVP, CHIEF FINANCIAL OFFICERSell2,227$77.95$173.6K22,393
Sep 11, 2025LaBrosse NicoleSVP, CHIEF FINANCIAL OFFICERSell20,000$75.71$1.51M37,546
Sep 4, 2025Torley HelenPRESIDENT AND CEOSell60,000$74.08$4.44M753,419
Sep 2, 2025Connaughton BernadetteSell4,000$73.68$294.7K50,852
Aug 13, 2025Torley HelenPRESIDENT AND CEOSell60,000$63.62$3.82M740,677
Jul 10, 2025Torley HelenPRESIDENT AND CEOSell60,000$56.46$3.39M750,121
Jun 24, 2025Torley HelenPRESIDENT AND CEOSell60,000$53.09$3.19M749,230
Apr 28, 2025Henderson Jeffrey WilliamSell4,497$60.37$271.5K28,811
Apr 1, 2025Henderson Jeffrey WilliamSell503$64.05$32.2K33,108
Mar 3, 2025Henderson Jeffrey WilliamSell5,000$58.69$293.5K36,816
Feb 27, 2025LaBarre Michael J.SVP, CHIEF TECHNICAL OFFICERSell21,697$58.10$1.26M186,153
Feb 4, 2025Henderson Jeffrey WilliamSell5,000$56.30$281.5K42,511
Jan 7, 2025Henderson Jeffrey WilliamSell10,000$50.01$500.1K43,611
Oct 16, 2024LaBarre Michael J.SVP, CHIEF TECHNICAL OFFICERSell20,000$53.50$1.07M173,833
Oct 9, 2024Torley HelenPRESIDENT AND CEOSell20,000$53.29$1.07M680,763
Sep 26, 2024Torley HelenPRESIDENT AND CEOSell30,000$56.88$1.71M676,744
Sep 18, 2024LaBarre Michael J.SVP, CHIEF TECHNICAL OFFICERSell20,000$62.46$1.25M175,793
Sep 12, 2024Torley HelenPRESIDENT AND CEOSell30,000$59.13$1.77M676,744
Aug 21, 2024LaBarre Michael J.SVP, CHIEF TECHNICAL OFFICERSell20,000$61.40$1.23M168,276
Aug 15, 2024Torley HelenPRESIDENT AND CEOSell30,000$57.15$1.71M683,481
Aug 14, 2024Posard Matthew L.Sell29,881$56.53$1.69M89,755
Jul 24, 2024LaBarre Michael J.SVP, CHIEF TECHNICAL OFFICERSell20,000$55.00$1.10M173,467
Jul 23, 2024LaBrosse NicoleSVP, CHIEF FINANCIAL OFFICERSell5,000$53.93$269.7K15,480
Jun 28, 2024LaBrosse NicoleSVP, CHIEF FINANCIAL OFFICERSell30,000$51.93$1.56M15,480
Jun 20, 2024LaBarre Michael J.SVP, CHIEF TECHNICAL OFFICERSell10,000$49.43$494.3K168,176
Jun 13, 2024Posard Matthew L.Sell20,000$50.32$1.01M109,755
May 22, 2024LaBarre Michael J.SVP, CHIEF TECHNICAL OFFICERSell20,000$45.27$905.5K168,176
Apr 17, 2024LaBarre Michael J.SVP, CHIEF TECHNICAL OFFICERSell20,000$38.42$768.4K168,176
Mar 13, 2024LaBarre Michael J.SVP, CHIEF TECHNICAL OFFICERSell20,000$41.96$839.1K156,558
Feb 28, 2024LaBarre Michael J.SVP, CHIEF TECHNICAL OFFICERSell20,000$39.75$794.9K159,087
Jan 18, 2024LaBarre Michael J.SVP, CHIEF TECHNICAL OFFICERSell20,000$36.00$720.0K151,911
Dec 13, 2023LaBarre Michael J.SVP, CHIEF TECHNICAL OFFICERSell20,000$40.01$800.3K152,554
Nov 16, 2023LaBarre Michael J.SVP, CHIEF TECHNICAL OFFICERSell20,000$39.43$788.7K151,911
Oct 17, 2023LaBarre Michael J.SVP, CHIEF TECHNICAL OFFICERSell10,000$36.52$365.2K151,911
Sep 19, 2023LaBarre Michael J.SVP, CHIEF TECHNICAL OFFICERSell10,000$39.10$391.0K151,911
Aug 31, 2023Torley HelenPRESIDENT AND CEOSell30,000$42.69$1.28M623,666
Aug 23, 2023LaBarre Michael J.SVP, CHIEF TECHNICAL OFFICERSell10,000$42.41$424.1K151,911
Aug 17, 2023Torley HelenPRESIDENT AND CEOSell30,000$43.49$1.30M623,666
Aug 15, 2023Daly James MSell20,000$43.73$874.5K30,503
Jul 27, 2023Torley HelenPRESIDENT AND CEOSell30,000$43.09$1.29M623,666
Jul 19, 2023LaBarre Michael J.SVP, CHIEF TECHNICAL OFFICERSell10,000$40.43$404.3K141,911
Jun 22, 2023LaBarre Michael J.SVP, CHIEF TECHNICAL OFFICERSell10,000$36.00$360.0K141,911
Apr 19, 2023LaBarre Michael J.SVP, CHIEF TECHNICAL OFFICERSell10,000$36.00$360.0K141,911
Mar 9, 2023Torley HelenPRESIDENT AND CEOSell30,000$43.82$1.31M623,666
Mar 1, 2023Henderson Jeffrey WilliamSell20,000$48.11$962.2K49,045
Feb 28, 2023LaBarre Michael J.SVP, CHIEF TECHNICAL OFFICERSell10,000$49.55$495.5K141,911
Feb 21, 2023LaBarre Michael J.SVP, CHIEF TECHNICAL OFFICERSell2,878$49.26$141.8K148,927
Feb 21, 2023LaBrosse NicoleSVP, CHIEF FINANCIAL OFFICERSell2,525$49.26$124.4K9,066
Feb 21, 2023Torley HelenPRESIDENT AND CEOSell11,061$49.26$544.9K633,666
Feb 17, 2023LaBarre Michael J.SVP, CHIEF TECHNICAL OFFICERSell10,000$48.39$483.9K143,477
Feb 9, 2023Torley HelenPRESIDENT AND CEOSell30,000$51.01$1.53M587,177
Jan 19, 2023Torley HelenPRESIDENT AND CEOSell30,000$51.31$1.54M588,280
Jan 18, 2023LaBarre Michael J.SVP, CHIEF TECHNICAL OFFICERSell10,000$50.46$504.6K144,259
Dec 15, 2022Torley HelenPRESIDENT AND CEOSell30,000$58.11$1.74M588,073
Dec 13, 2022LaBarre Michael J.SVP, CHIEF TECHNICAL OFFICERSell10,000$58.67$586.7K158,202
Dec 6, 2022Posard Matthew L.Sell30,000$56.89$1.71M125,189
Nov 17, 2022Torley HelenPRESIDENT AND CEOSell30,000$53.39$1.60M587,190
Nov 16, 2022LaBarre Michael J.SVP, CHIEF TECHNICAL OFFICERSell10,000$54.13$541.3K166,260
Nov 16, 2022LaBrosse NicoleSVP, CHIEF FINANCIAL OFFICERSell5,000$53.81$269.1K4,410
Nov 8, 2021Torley HelenPresident and CEOSell50,000$39.82$1.99M549,385
Nov 5, 2021MATSUI CONNIEDirectorSell32,000$40.38$1.29M194,531
Oct 4, 2021Torley HelenPresident and CEOSell50,000$40.09$2.00M543,017
Oct 1, 2021LaBarre Michael J.SVP, Chief Technical OfficerSell29,450$39.93$1.18M148,796
Sep 7, 2021Torley HelenPresident and CEOSell50,000$42.38$2.12M543,720
Aug 25, 2021BIZZARI JEAN-PIERREDirectorSell35,000$41.01$1.44M52,544
Aug 10, 2021Torley HelenPresident and CEOSell50,000$41.11$2.06M562,022
Jul 6, 2021LaBarre Michael J.SVP, Chief Technical OfficerSell40,315$45.70$1.84M134,111
Jul 6, 2021Torley HelenPresident and CEOSell50,000$45.97$2.30M537,160
Jun 7, 2021Torley HelenPresident and CEOSell50,000$39.66$1.98M537,160
May 11, 2021Torley HelenPresident and CEOSell50,000$43.02$2.15M578,704
Apr 14, 2021Kelley Kenneth JDirectorSell5,000$45.00$225.0K179,833
Apr 5, 2021Torley HelenPresident and CEOSell50,000$42.55$2.13M537,160
Apr 1, 2021LaBarre Michael J.SVP, Chief Technical OfficerSell28,689$42.56$1.22M141,794
Mar 1, 2021Kelley Kenneth JDirectorSell5,000$45.34$226.7K185,333
Mar 1, 2021LaBarre Michael J.SVP, Chief Technical OfficerSell18,324$45.81$839.4K129,330
Mar 1, 2021Torley HelenPresident and CEOSell50,000$46.19$2.31M571,050

HALO Insiders

Caudill Cortney

officer: SVP, CHIEF OPERATING OFFICER

Sold $1.96M
3 tradesLast: Mar 10, 2026
Torley Helen

director, officer: PRESIDENT AND CEO

Sold $10.81M
21 tradesLast: Mar 4, 2026
LaBrosse Nicole

SVP, CHIEF FINANCIAL OFFICER

Sold $4.93M
15 tradesLast: Feb 16, 2026
Snyder Mark Howard

SVP, CHIEF LEGAL OFFICER

Sold $720.4K
2 tradesLast: Feb 16, 2026
Torley Helen

PRESIDENT AND CEO

Sold $46.69M
95 tradesLast: Feb 16, 2026
Connaughton Bernadette

director

Sold $140.5K
1 tradesLast: Jan 5, 2026
Connaughton Bernadette

Director

Sold $196.3K
2 tradesLast: Dec 1, 2025
Connaughton Bernadette

Sold $445.2K
5 tradesLast: Oct 1, 2025
Henderson Jeffrey William

Sold $2.34M
10 tradesLast: Apr 28, 2025
LaBarre Michael J.

SVP, CHIEF TECHNICAL OFFICER

Sold $17.08M
54 tradesLast: Feb 27, 2025
Posard Matthew L.

Sold $4.40M
8 tradesLast: Aug 14, 2024
Daly James M

Sold $874.5K
2 tradesLast: Aug 14, 2023
Torley Helen

President and CEO

Sold $19.04M
21 tradesLast: Nov 8, 2021
MATSUI CONNIE

Director

Sold $1.29M
2 tradesLast: Nov 5, 2021
LaBarre Michael J.

SVP, Chief Technical Officer

Sold $5.08M
6 tradesLast: Oct 1, 2021
BIZZARI JEAN-PIERRE

Director

Sold $1.44M
1 tradesLast: Aug 25, 2021
Kelley Kenneth J

Director

Sold $451.7K
3 tradesLast: Apr 14, 2021