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Halozyme Therapeutics Inc (HALO)

Over the last 90 days, Halozyme Therapeutics Inc. has seen 35 insider transactions, all of which were sales totaling approximately $19.65 million. Notably, President and CEO Helen Torley has been involved in numerous planned sales. The company's stock has seen a 12.0% increase in the past 90 days. The last earnings report showed a miss of over 30%.
Stock chart
Ticker: HALO Exchange: NSM


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Purchase Sale Planned purchase Planned sale Net purchase Net sale Activity signal Earnings
Top insiders
Trades
Torley Helen
PRESIDENT AND CEO
4 sales — total 690,653 USD
Planned sale 3 Jun 2026
Value US$888,429.32 | Price 293.81 | Shares 15,662
Planned sale 3 Jun 2026
Value US$4,375,775.36 | Price 226.49 | Shares 42,356
Planned sale 3 Jun 2026
Value US$101,512.50 | Price 67.68 | Shares 1,500
Planned sale 3 Jun 2026
Value US$26,547.20 | Price 66.37 | Shares 400
Planned sale 2 Jun 2026
Value US$3,309,748.10 | Price 99.39 | Shares 99,416
Planned sale 2 Jun 2026
Value US$860,197.15 | Price 461.48 | Shares 63,901
Planned sale 1 Jun 2026
Value US$369,136.75 | Price 68.35 | Shares 5,401
Planned sale 1 Jun 2026
Value US$875,588.49 | Price 67.41 | Shares 12,989
Planned sale 1 Jun 2026
Value US$106,884.68 | Price 66.39 | Shares 1,610
Planned sale 1 Jun 2026
Value US$107,591.25 | Price 66.21 | Shares 1,625
Proposed sale 15 May 2026
Value US$986,591.97 | Price 67.12 | Shares 14,700
Planned sale 13 May 2026
Value US$42,487.20 | Price 70.81 | Shares 600
Planned sale 13 May 2026
Value US$275,658.65 | Price 69.79 | Shares 3,950
Planned sale 13 May 2026
Value US$230,748.00 | Price 68.88 | Shares 3,350
Planned sale 13 May 2026
Value US$143,014.20 | Price 68.10 | Shares 2,100
Planned sale 12 May 2026
Value US$204,738.80 | Price 73.12 | Shares 2,800
Planned sale 12 May 2026
Value US$425,673.20 | Price 72.15 | Shares 5,900
Planned sale 12 May 2026
Value US$699,568.74 | Price 71.37 | Shares 9,802
Planned sale 12 May 2026
Value US$98,261.23 | Price 70.29 | Shares 1,398
Planned sale 12 May 2026
Value US$6,785.00 | Price 67.85 | Shares 100
Planned sale 11 May 2026
Value US$444,390.90 | Price 66.33 | Shares 6,700
Planned sale 11 May 2026
Value US$234,012.35 | Price 65.46 | Shares 3,575
Planned sale 11 May 2026
Value US$628,536.48 | Price 64.63 | Shares 9,725
Proposed sale 11 May 2026
Value US$6,535,303.00 | Price 64.12 | Shares 101,923
Planned sale 1 May 2026
Value US$103,155.00 | Price 63.48 | Shares 1,625
Proposed sale 1 May 2026
Value US$310,342.50 | Price 63.66 | Shares 4,875
Planned sale 6 Apr 2026
Value US$262,461.50 | Price 64.02 | Shares 4,100
Planned sale 6 Apr 2026
Value US$372,520.10 | Price 63.14 | Shares 5,900
Planned sale 2 Apr 2026
Value US$272,525.40 | Price 64.89 | Shares 4,200
Planned sale 2 Apr 2026
Value US$272,525.40 | Price 64.89 | Shares 4,200
Planned sale 2 Apr 2026
Value US$1,012,195.40 | Price 64.06 | Shares 15,800
Planned sale 1 Apr 2026
Value US$65,714.00 | Price 65.71 | Shares 1,000
Planned sale 1 Apr 2026
Value US$65,714.00 | Price 65.71 | Shares 1,000
Planned sale 1 Apr 2026
Value US$1,241,802.00 | Price 65.36 | Shares 19,000
Planned sale 1 Apr 2026
Value US$1,241,802.00 | Price 65.36 | Shares 19,000
Proposed sale 10 Mar 2026
Value US$599,088.37 | Price 67.64 | Shares 8,857
Sale 10 Mar 2026
Value US$599,087.48 | Price 67.64 | Shares 8,857
Sale 9 Mar 2026
Value US$143,329.20 | Price 68.25 | Shares 2,100
Sale 9 Mar 2026
Value US$1,212,742.90 | Price 67.75 | Shares 17,900
Proposed sale 9 Mar 2026
Value US$1,356,062.00 | Price 67.80 | Shares 20,000
Planned sale 4 Mar 2026
Value US$189,494.09 | Price 70.95 | Shares 2,671
Planned sale 4 Mar 2026
Value US$512,619.58 | Price 69.94 | Shares 7,329
Planned sale 3 Mar 2026
Value US$451,981.83 | Price 69.33 | Shares 6,519
Planned sale 3 Mar 2026
Value US$928,166.85 | Price 68.85 | Shares 13,481
Planned sale 2 Mar 2026
Value US$40,726.46 | Price 70.46 | Shares 578
Planned sale 2 Mar 2026
Value US$1,069,460.28 | Price 69.80 | Shares 15,322
Planned sale 2 Mar 2026
Value US$283,707.70 | Price 69.20 | Shares 4,100
Planned sale 5 Feb 2026
Value US$365,000.06 | Price 78.94 | Shares 4,624
Planned sale 5 Feb 2026
Value US$421,365.50 | Price 78.38 | Shares 5,376
Planned sale 4 Feb 2026
Value US$783,154.00 | Price 77.54 | Shares 10,100
Planned sale 4 Feb 2026
Value US$761,666.40 | Price 76.94 | Shares 9,900
Planned sale 3 Feb 2026
Value US$597,757.86 | Price 76.73 | Shares 7,790
Planned sale 3 Feb 2026
Value US$733,543.10 | Price 75.94 | Shares 9,659
Planned sale 3 Feb 2026
Value US$191,016.33 | Price 74.88 | Shares 2,551
Proposed sale 3 Feb 2026
Value US$11,167,500.00 | Price 74.45 | Shares 150,000
Planned sale 5 Jan 2026
Value US$140,500.00 | Price 70.25 | Shares 2,000
Proposed sale 5 Jan 2026
Value US$140,620.00 | Price 70.31 | Shares 2,000
Planned sale 1 Dec 2025
Value US$18,687.60 | Price 71.60 | Shares 261
Planned sale 1 Dec 2025
Value US$35,181.00 | Price 70.36 | Shares 500
Planned sale 1 Dec 2025
Value US$375,120.28 | Price 69.44 | Shares 5,402
Planned sale 1 Dec 2025
Value US$712,935.87 | Price 68.51 | Shares 10,406
Planned sale 1 Dec 2025
Value US$59,356.40 | Price 71.60 | Shares 829
Planned sale 12 Nov 2025
Value US$35,690.17 | Price 71.67 | Shares 498
Planned sale 12 Nov 2025
Value US$482,267.78 | Price 71.09 | Shares 6,784
Planned sale 12 Nov 2025
Value US$893,032.52 | Price 70.22 | Shares 12,718
Planned sale 11 Nov 2025
Value US$801,906.50 | Price 69.73 | Shares 11,500
Planned sale 11 Nov 2025
Value US$275,180.00 | Price 68.80 | Shares 4,000
Planned sale 11 Nov 2025
Value US$305,514.00 | Price 67.89 | Shares 4,500
Planned sale 10 Nov 2025
Value US$6,930.00 | Price 69.30 | Shares 100
Planned sale 10 Nov 2025
Value US$1,367,408.60 | Price 68.71 | Shares 19,900
Planned sale 10 Nov 2025
Value US$136,960.00 | Price 68.48 | Shares 2,000
Sale 1 Nov 2025
Value US$277,904.97 | Price 65.19 | Shares 4,263
Planned sale 3 Oct 2025
Value US$51,890.53 | Price 71.67 | Shares 724
Planned sale 3 Oct 2025
Value US$191,065.47 | Price 70.58 | Shares 2,707
Planned sale 3 Oct 2025
Value US$162,983.22 | Price 69.83 | Shares 2,334
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value
Number of shares Price Value Details
2026-06-03 2026-06-03 PlS Planned sale

PRESIDENT AND CEO

Executive Director
15,662 +49.2%
293.81
US$888,429
15,662 +49.2% 293.81 US$888,429
2026-06-03 2026-06-03 PlS Planned sale

PRESIDENT AND CEO

Executive Director
42,356 +15.7%
226.49
US$4,375,775
42,356 +15.7% 226.49 US$4,375,775
2026-06-03 2026-06-03 PlS Planned sale

PRESIDENT AND CEO

Executive Director
34,362 +37.7%
395.31
US$4,963,874
34,362 +37.7% 395.31 US$4,963,874
2026-06-03 2026-06-03 PlS Planned sale

PRESIDENT AND CEO

Executive Director
400 -0.1%
66.37
US$26,547
400 -0.1% 66.37 US$26,547
2026-06-03 2026-06-02 PlS Planned sale

PRESIDENT AND CEO

Executive Director
3,400 -0.4%
66.75
US$226,933
3,400 -0.4% 66.75 US$226,933
2026-06-03 2026-06-02 PlS Planned sale

PRESIDENT AND CEO

Executive Director
16,600 -2.1%
66.31
US$1,100,812
16,600 -2.1% 66.31 US$1,100,812
2026-06-03 2026-06-01 PlS Planned sale

PRESIDENT AND CEO

Executive Director
5,401 -0.7%
68.35
US$369,137
5,401 -0.7% 68.35 US$369,137
2026-06-03 2026-06-01 PlS Planned sale

PRESIDENT AND CEO

Executive Director
12,989 -1.7%
67.41
US$875,588
12,989 -1.7% 67.41 US$875,588
2026-06-03 2026-06-01 PlS Planned sale

PRESIDENT AND CEO

Executive Director
1,610 -0.2%
66.39
US$106,885
1,610 -0.2% 66.39 US$106,885
2026-06-02 2026-06-01 PlS Planned sale Non-Executive Director
1,625 -3.6%
66.21
US$107,591
1,625 -3.6% 66.21 US$107,591
2026-05-15 2026-05-15 PrS Proposed sale

Former Officer

Officer
14,700
67.12
US$986,592
14,700 67.12 US$986,592
2026-05-13 2026-05-13 PlS Planned sale

PRESIDENT AND CEO

Executive Director
600 -0.1%
70.81
US$42,487
600 -0.1% 70.81 US$42,487
2026-05-13 2026-05-13 PlS Planned sale

PRESIDENT AND CEO

Executive Director
3,950 -0.5%
69.79
US$275,659
3,950 -0.5% 69.79 US$275,659
2026-05-13 2026-05-13 PlS Planned sale

PRESIDENT AND CEO

Executive Director
3,350 -0.4%
68.88
US$230,748
3,350 -0.4% 68.88 US$230,748
2026-05-13 2026-05-13 PlS Planned sale

PRESIDENT AND CEO

Executive Director
2,100 -0.3%
68.10
US$143,014
2,100 -0.3% 68.10 US$143,014
2026-05-13 2026-05-12 PlS Planned sale

PRESIDENT AND CEO

Executive Director
2,800 -0.4%
73.12
US$204,739
2,800 -0.4% 73.12 US$204,739
2026-05-13 2026-05-12 PlS Planned sale

PRESIDENT AND CEO

Executive Director
5,900 -0.8%
72.15
US$425,673
5,900 -0.8% 72.15 US$425,673
2026-05-13 2026-05-12 PlS Planned sale

PRESIDENT AND CEO

Executive Director
9,802 -1.2%
71.37
US$699,569
9,802 -1.2% 71.37 US$699,569
2026-05-13 2026-05-12 PlS Planned sale

PRESIDENT AND CEO

Executive Director
1,398 -0.2%
70.29
US$98,261
1,398 -0.2% 70.29 US$98,261
2026-05-13 2026-05-12 PlS Planned sale

PRESIDENT AND CEO

Executive Director
100 -0.0%
67.85
US$6,785
100 -0.0% 67.85 US$6,785
2026-05-13 2026-05-11 PlS Planned sale

PRESIDENT AND CEO

Executive Director
6,700 -0.9%
66.33
US$444,391
6,700 -0.9% 66.33 US$444,391
2026-05-13 2026-05-11 PlS Planned sale

PRESIDENT AND CEO

Executive Director
3,575 -0.5%
65.46
US$234,012
3,575 -0.5% 65.46 US$234,012
2026-05-13 2026-05-11 PlS Planned sale

PRESIDENT AND CEO

Executive Director
9,725 -1.2%
64.63
US$628,536
9,725 -1.2% 64.63 US$628,536
2026-05-11 2026-05-11 PrS Proposed sale

President, CEO, Director

Non-Executive Director
101,923
64.12
US$6,535,303
101,923 64.12 US$6,535,303
2026-05-05 2026-05-01 PlS Planned sale Non-Executive Director
1,625 -4.1%
63.48
US$103,155
1,625 -4.1% 63.48 US$103,155
2026-05-01 2026-05-01 PrS Proposed sale

Director

Non-Executive Director
4,875
63.66
US$310,342
4,875 63.66 US$310,342
2026-04-07 2026-04-06 PlS Planned sale

PRESIDENT AND CEO

Executive Director
4,100 -0.5%
64.02
US$262,462
4,100 -0.5% 64.02 US$262,462
2026-04-07 2026-04-06 PlS Planned sale

PRESIDENT AND CEO

Executive Director
5,900 -0.8%
63.14
US$372,520
5,900 -0.8% 63.14 US$372,520
2026-04-02 2026-04-02 PlS Planned sale

PRESIDENT AND CEO

Executive Director
4,200 -0.5%
64.89
US$272,525
4,200 -0.5% 64.89 US$272,525
2026-04-02 2026-04-02 PlS Planned sale

PRESIDENT AND CEO

Executive Director
4,200 -0.5%
64.89
US$272,525
4,200 -0.5% 64.89 US$272,525
2026-04-02 2026-04-02 PlS Planned sale

PRESIDENT AND CEO

Executive Director
15,800 -2.0%
64.06
US$1,012,195
15,800 -2.0% 64.06 US$1,012,195
2026-04-02 2026-04-01 PlS Planned sale

PRESIDENT AND CEO

Executive Director
1,000 -0.1%
65.71
US$65,714
1,000 -0.1% 65.71 US$65,714
2026-04-02 2026-04-01 PlS Planned sale

PRESIDENT AND CEO

Executive Director
1,000 -0.1%
65.71
US$65,714
1,000 -0.1% 65.71 US$65,714
2026-04-02 2026-04-01 PlS Planned sale

PRESIDENT AND CEO

Executive Director
19,000 -2.4%
65.36
US$1,241,802
19,000 -2.4% 65.36 US$1,241,802
2026-04-02 2026-04-01 PlS Planned sale

PRESIDENT AND CEO

Executive Director
19,000 -2.4%
65.36
US$1,241,802
19,000 -2.4% 65.36 US$1,241,802
2026-03-10 2026-03-10 PrS Proposed sale

Officer

Officer
8,857
67.64
US$599,088
8,857 67.64 US$599,088
2026-03-10 2026-03-10 S Sale

SVP, CHIEF OPERATING OFFICER

Officer
8,857 -55.7%
67.64
US$599,087
8,857 -55.7% 67.64 US$599,087
2026-03-10 2026-03-09 S Sale

SVP, CHIEF OPERATING OFFICER

Officer
2,100 -12.8%
68.25
US$143,329
2,100 -12.8% 68.25 US$143,329
2026-03-10 2026-03-09 S Sale

SVP, CHIEF OPERATING OFFICER

Officer
17,900 -52.1%
67.75
US$1,212,743
17,900 -52.1% 67.75 US$1,212,743
2026-03-09 2026-03-09 PrS Proposed sale

Officer

Officer
20,000
67.80
US$1,356,062
20,000 67.80 US$1,356,062
2026-03-04 2026-03-04 PlS Planned sale

PRESIDENT AND CEO

Executive Director
2,671 -0.3%
70.95
US$189,494
2,671 -0.3% 70.95 US$189,494
2026-03-04 2026-03-04 PlS Planned sale

PRESIDENT AND CEO

Executive Director
7,329 -0.9%
69.94
US$512,620
7,329 -0.9% 69.94 US$512,620
2026-03-04 2026-03-03 PlS Planned sale

PRESIDENT AND CEO

Executive Director
6,519 -0.8%
69.33
US$451,982
6,519 -0.8% 69.33 US$451,982
2026-03-04 2026-03-03 PlS Planned sale

PRESIDENT AND CEO

Executive Director
13,481 -1.7%
68.85
US$928,167
13,481 -1.7% 68.85 US$928,167
2026-03-04 2026-03-02 PlS Planned sale

PRESIDENT AND CEO

Executive Director
578 -0.1%
70.46
US$40,726
578 -0.1% 70.46 US$40,726
2026-03-04 2026-03-02 PlS Planned sale

PRESIDENT AND CEO

Executive Director
15,322 -2.0%
69.80
US$1,069,460
15,322 -2.0% 69.80 US$1,069,460
2026-03-04 2026-03-02 PlS Planned sale

PRESIDENT AND CEO

Executive Director
4,100 -0.5%
69.20
US$283,708
4,100 -0.5% 69.20 US$283,708
2026-02-05 2026-02-05 PlS Planned sale

PRESIDENT AND CEO

Executive Director
4,624 -0.6%
78.94
US$365,000
4,624 -0.6% 78.94 US$365,000
2026-02-05 2026-02-05 PlS Planned sale

PRESIDENT AND CEO

Executive Director
5,376 -0.7%
78.38
US$421,366
5,376 -0.7% 78.38 US$421,366
2026-02-05 2026-02-04 PlS Planned sale

PRESIDENT AND CEO

Executive Director
10,100 -1.4%
77.54
US$783,154
10,100 -1.4% 77.54 US$783,154
2026-02-05 2026-02-04 PlS Planned sale

PRESIDENT AND CEO

Executive Director
9,900 -1.4%
76.94
US$761,666
9,900 -1.4% 76.94 US$761,666
2026-02-05 2026-02-03 PlS Planned sale

PRESIDENT AND CEO

Executive Director
7,790 -1.1%
76.73
US$597,758
7,790 -1.1% 76.73 US$597,758
2026-02-05 2026-02-03 PlS Planned sale

PRESIDENT AND CEO

Executive Director
9,659 -1.3%
75.94
US$733,543
9,659 -1.3% 75.94 US$733,543
2026-02-05 2026-02-03 PlS Planned sale

PRESIDENT AND CEO

Executive Director
2,551 -0.4%
74.88
US$191,016
2,551 -0.4% 74.88 US$191,016
2026-02-03 2026-02-03 PrS Proposed sale

President, CEO, Director

Non-Executive Director
150,000
74.45
US$11,167,500
150,000 74.45 US$11,167,500
2026-01-06 2026-01-05 PlS Planned sale Non-Executive Director
2,000 -4.7%
70.25
US$140,500
2,000 -4.7% 70.25 US$140,500
2026-01-05 2026-01-05 PrS Proposed sale

Director

Non-Executive Director
2,000
70.31
US$140,620
2,000 70.31 US$140,620
2025-12-01 2025-12-01 PlS Planned sale

PRESIDENT AND CEO

Executive Director
261 -0.0%
71.60
US$18,688
261 -0.0% 71.60 US$18,688
2025-12-01 2025-12-01 PlS Planned sale

PRESIDENT AND CEO

Executive Director
500 -0.1%
70.36
US$35,181
500 -0.1% 70.36 US$35,181
2025-12-01 2025-12-01 PlS Planned sale

PRESIDENT AND CEO

Executive Director
5,402 -0.8%
69.44
US$375,120
5,402 -0.8% 69.44 US$375,120
2025-12-01 2025-12-01 PlS Planned sale

PRESIDENT AND CEO

Executive Director
10,406 -1.4%
68.51
US$712,936
10,406 -1.4% 68.51 US$712,936
2025-12-01 2025-12-01 PlS Planned sale Non-Executive Director
829 -1.9%
71.60
US$59,356
829 -1.9% 71.60 US$59,356
2025-11-12 2025-11-12 PlS Planned sale

PRESIDENT AND CEO

Executive Director
498 -0.1%
71.67
US$35,690
498 -0.1% 71.67 US$35,690
2025-11-12 2025-11-12 PlS Planned sale

PRESIDENT AND CEO

Executive Director
6,784 -0.9%
71.09
US$482,268
6,784 -0.9% 71.09 US$482,268
2025-11-12 2025-11-12 PlS Planned sale

PRESIDENT AND CEO

Executive Director
12,718 -1.7%
70.22
US$893,033
12,718 -1.7% 70.22 US$893,033
2025-11-12 2025-11-11 PlS Planned sale

PRESIDENT AND CEO

Executive Director
11,500 -1.5%
69.73
US$801,906
11,500 -1.5% 69.73 US$801,906
2025-11-12 2025-11-11 PlS Planned sale

PRESIDENT AND CEO

Executive Director
4,000 -0.5%
68.80
US$275,180
4,000 -0.5% 68.80 US$275,180
2025-11-12 2025-11-11 PlS Planned sale

PRESIDENT AND CEO

Executive Director
4,500 -0.6%
67.89
US$305,514
4,500 -0.6% 67.89 US$305,514
2025-11-12 2025-11-10 PlS Planned sale

PRESIDENT AND CEO

Executive Director
100 -0.0%
69.30
US$6,930
100 -0.0% 69.30 US$6,930
2025-11-12 2025-11-10 PlS Planned sale

PRESIDENT AND CEO

Executive Director
19,900 -2.6%
68.71
US$1,367,409
19,900 -2.6% 68.71 US$1,367,409
2025-11-12 2025-11-10 PlS Planned sale Non-Executive Director
2,000 -4.4%
68.48
US$136,960
2,000 -4.4% 68.48 US$136,960
2025-12-19 2025-11-01 S Sale

SVP, CHIEF OPERATING OFFICER

Officer
4,263 -25.1%
65.19
US$277,905
4,263 -25.1% 65.19 US$277,905
2025-10-03 2025-10-03 PlS Planned sale

PRESIDENT AND CEO

Executive Director
724 -0.1%
71.67
US$51,891
724 -0.1% 71.67 US$51,891
2025-10-03 2025-10-03 PlS Planned sale

PRESIDENT AND CEO

Executive Director
2,707 -0.4%
70.58
US$191,065
2,707 -0.4% 70.58 US$191,065
2025-10-03 2025-10-03 PlS Planned sale

PRESIDENT AND CEO

Executive Director
2,334 -0.3%
69.83
US$162,983
2,334 -0.3% 69.83 US$162,983