HALO
insider transactionsHALOZYME THERAPEUTICS, INC. — buys & sells by directors, officers and 10% owners A shareholder owning more than 10% of the company. Must report trades, but usually a weaker signal than an officer or director. (SEC Form 4).
Net shares · 365d
-656.0K
0 buy · 656.0K sell
Net value · 365d
-$44.6M
$0 in · $44.6M out
Sentiment · 365d
Net selling
0% buying · 100% selling
Open-market trades · 365d
104
0 buy · 656.0K sell
Net buy / sell volume
Not enough data to chart yet.
Tap or hover the chart for daily net volume. Green = net buying, red = net selling.
Transactions · 365d
-
Exercise·M
SVP, CHIEF LEGAL OFFICER
$0
5.0K sh
Own +100%
-
Other·F
SVP, CHIEF LEGAL OFFICER
$188.7K
2.7K sh · $69.50
Own -5%
-
Exercise·M
SVP, CHIEF LEGAL OFFICER
$0
5.0K sh
Own +11%
-
Exercise·M
Torley Helen KEY
PRESIDENT AND CEO · 10b5-1
$603.5K
50.0K sh · $12.07 avg · 3 lots
Own New
-
Sell·S
Torley Helen KEY
PRESIDENT AND CEO · 10b5-1
$3.4M
50.0K sh · $67.40 avg · 9 lots
Own -6%
-
Exercise·M
Torley Helen KEY
PRESIDENT AND CEO · 10b5-1
$603.5K
50.0K sh · $12.07 avg · 3 lots
Own +7%
-
Sell·S
Director · 10b5-1
$107.6K
1.6K sh · $66.21
Own -4%
-
Exercise·M
Torley Helen KEY
PRESIDENT AND CEO · 10b5-1
$603.5K
50.0K sh · $12.07 avg · 3 lots
Own +2600%
-
Sell·S
Torley Helen KEY
PRESIDENT AND CEO · 10b5-1
$3.4M
50.0K sh · $68.68 avg · 12 lots
Own -6%
-
Exercise·M
Torley Helen KEY
PRESIDENT AND CEO · 10b5-1
$603.5K
50.0K sh · $12.07 avg · 3 lots
Own +7%
-
Grant·A
Director
$0
6.0K sh
Own New
-
Grant·A
Director
$0
3.8K sh
Own +5%
-
Grant·A
Director
$0
6.0K sh
Own New
-
Grant·A
Director
$0
3.8K sh
Own +36%
-
Grant·A
Director
$0
6.0K sh
Own New
-
Grant·A
Director
$0
3.8K sh
Own +427%
-
Grant·A
Director
$0
6.0K sh
Own New
-
Grant·A
Director
$0
3.8K sh
Own +12%
-
Grant·A
Director
$0
6.0K sh
Own New
-
Grant·A
Director
$0
3.8K sh
Own +19%
-
Grant·A
Director
$0
6.0K sh
Own New
-
Grant·A
Director
$0
6.8K sh
Own +18%
-
Sell·S
Director · 10b5-1
$103.2K
1.6K sh · $63.48
Own -4%
-
Exercise·M
Torley Helen KEY
PRESIDENT AND CEO · 10b5-1
$120.7K
10.0K sh · $12.07
Own +11%
-
Sell·S
Torley Helen KEY
PRESIDENT AND CEO · 10b5-1
$635.0K
10.0K sh · $63.50 avg · 2 lots
Own -1%
-
Exercise·M
Torley Helen KEY
PRESIDENT AND CEO · 10b5-1
$120.7K
10.0K sh · $12.07
Own +1%
-
Exercise·M
Torley Helen KEY
PRESIDENT AND CEO · 10b5-1
$482.8K
40.0K sh · $12.07 avg · 2 lots
Own +56%
-
Sell·S
Torley Helen KEY
PRESIDENT AND CEO · 10b5-1
$2.6M
40.0K sh · $64.81 avg · 4 lots
Own -5%
-
Exercise·M
Torley Helen KEY
PRESIDENT AND CEO · 10b5-1
$482.8K
40.0K sh · $12.07 avg · 2 lots
Own +5%
-
Grant·A
RAMSAY DAVID A KEY
Interim CFO
$0
10.0K sh
Own New
-
Exercise·M
SVP, CHIEF OPERATING OFFICER
$722.0K
21.5K sh · $33.51 avg · 2 lots
Own +47%
-
Exercise·M
SVP, CHIEF OPERATING OFFICER
$722.0K
21.5K sh · $33.51 avg · 2 lots
Own New
-
Sell·S
SVP, CHIEF OPERATING OFFICER
$2.0M
28.9K sh · $67.75 avg · 3 lots
Own -80%
-
Exercise·M
Torley Helen KEY
PRESIDENT AND CEO · 10b5-1
$603.5K
50.0K sh · $12.07 avg · 3 lots
Own +49%
-
Exercise·M
Torley Helen KEY
PRESIDENT AND CEO · 10b5-1
$603.5K
50.0K sh · $12.07 avg · 3 lots
Own +7%
-
Sell·S
Torley Helen KEY
PRESIDENT AND CEO · 10b5-1
$3.5M
50.0K sh · $69.52 avg · 7 lots
Own -6%
-
Exercise·M
SVP, CHIEF LEGAL OFFICER
$0
12.3K sh · 2 lots
Own +735%
-
Exercise·M
SVP, CHIEF LEGAL OFFICER
$0
12.3K sh · 2 lots
Own +32%
-
Other·F
SVP, CHIEF LEGAL OFFICER
$471.3K
6.7K sh · $70.79 avg · 2 lots
Own -12%
-
Exercise·M
LaBrosse Nicole KEY
SVP, CHIEF FINANCIAL OFFICER
$0
12.0K sh · 2 lots
Own +49%
-
Exercise·M
LaBrosse Nicole KEY
SVP, CHIEF FINANCIAL OFFICER
$0
12.0K sh · 2 lots
Own +40%
-
Other·F
LaBrosse Nicole KEY
SVP, CHIEF FINANCIAL OFFICER
$459.0K
6.5K sh · $70.79 avg · 2 lots
Own -14%
-
Exercise·M
Torley Helen KEY
PRESIDENT AND CEO
$0
39.2K sh · 2 lots
Own +690%
-
Other·F
Torley Helen KEY
PRESIDENT AND CEO
$1.5M
21.1K sh · $70.79 avg · 2 lots
Own -3%
-
Exercise·M
Torley Helen KEY
PRESIDENT AND CEO
$0
39.2K sh · 2 lots
Own +5%
-
Exercise·M
SVP, CHIEF OPERATING OFFICER
$0
2.7K sh
Own +50%
-
Other·F
SVP, CHIEF OPERATING OFFICER
$73.6K
1.0K sh · $70.98
Own -7%
-
Exercise·M
SVP, CHIEF OPERATING OFFICER
$0
2.7K sh
Own +21%
-
Exercise·M
Torley Helen KEY
PRESIDENT AND CEO
$0
89.1K sh · 3 lots
Own New
-
Exercise·M
Torley Helen KEY
PRESIDENT AND CEO
$0
89.1K sh · 3 lots
Own +14%
-
Other·F
Torley Helen KEY
PRESIDENT AND CEO
$3.8M
48.0K sh · $79.44 avg · 3 lots
Own -6%
-
Exercise·M
LaBrosse Nicole KEY
SVP, CHIEF FINANCIAL OFFICER
$0
23.8K sh · 3 lots
Own New
-
Other·F
LaBrosse Nicole KEY
SVP, CHIEF FINANCIAL OFFICER
$1.0M
12.9K sh · $79.44 avg · 3 lots
Own -32%
-
Exercise·M
LaBrosse Nicole KEY
SVP, CHIEF FINANCIAL OFFICER
$0
23.8K sh · 3 lots
Own +397%
-
Exercise·M
SVP, CHIEF LEGAL OFFICER
$0
16.8K sh · 2 lots
Own New
-
Exercise·M
SVP, CHIEF LEGAL OFFICER
$0
16.8K sh · 2 lots
Own +76%
-
Other·F
SVP, CHIEF LEGAL OFFICER
$720.4K
9.1K sh · $79.44 avg · 2 lots
Own -18%
-
Grant·A
LaBrosse Nicole KEY
SVP, CHIEF FINANCIAL OFFICER
$0
42.1K sh · 3 lots
Own New
-
Grant·A
SVP, CHIEF LEGAL OFFICER
$0
78.1K sh · 5 lots
Own New
-
Grant·A
Torley Helen KEY
PRESIDENT AND CEO
$0
241.4K sh · 5 lots
Own New
-
Grant·A
SVP, CHIEF OPERATING OFFICER
$0
44.2K sh · 4 lots
Own New
-
Exercise·M
Torley Helen KEY
PRESIDENT AND CEO · 10b5-1
$603.5K
50.0K sh · $12.07 avg · 3 lots
Own +33%
-
Sell·S
Torley Helen KEY
PRESIDENT AND CEO · 10b5-1
$3.9M
50.0K sh · $77.07 avg · 7 lots
Own -7%
-
Exercise·M
Torley Helen KEY
PRESIDENT AND CEO · 10b5-1
$603.5K
50.0K sh · $12.07 avg · 3 lots
Own +7%
-
Sell·S
Director · 10b5-1
$140.5K
2.0K sh · $70.25
Own -5%
-
Exercise·M
SVP, CHIEF LEGAL OFFICER
$0
7.6K sh
Own New
-
Exercise·M
SVP, CHIEF LEGAL OFFICER
$0
7.6K sh
Own +25%
-
Other·F
SVP, CHIEF LEGAL OFFICER
$298.3K
4.2K sh · $70.31
Own -11%
-
Grant·A
Director
$0
1.3K sh
Own New
-
Grant·A
Director
$0
889 sh
Own New
-
Grant·A
Torley Helen KEY
PRESIDENT AND CEO
$0
165.5K sh
Own New
-
Exercise·M
Torley Helen KEY
PRESIDENT AND CEO · 10b5-1
$134.4K
16.6K sh · $8.11
Own New
-
Exercise·M
Torley Helen KEY
PRESIDENT AND CEO · 10b5-1
$134.4K
16.6K sh · $8.11
Own +2%
-
Sell·S
Torley Helen KEY
PRESIDENT AND CEO · 10b5-1
$1.1M
16.6K sh · $68.92 avg · 4 lots
Own -2%
-
Sell·S
Director · 10b5-1
$59.4K
829 sh · $71.60
Own -2%
-
Other·G
Torley Helen KEY
PRESIDENT AND CEO · 10b5-1
$0
25.0K sh
Own -3%
-
Exercise·M
Torley Helen KEY
PRESIDENT AND CEO · 10b5-1
$486.6K
60.0K sh · $8.11 avg · 3 lots
Own New
-
Exercise·M
Torley Helen KEY
PRESIDENT AND CEO · 10b5-1
$486.6K
60.0K sh · $8.11 avg · 3 lots
Own +9%
-
Sell·S
Torley Helen KEY
PRESIDENT AND CEO · 10b5-1
$4.2M
60.0K sh · $69.46 avg · 8 lots
Own -7%
-
Sell·S
Director · 10b5-1
$137.0K
2.0K sh · $68.48
Own -4%
-
Exercise·M
SVP, CHIEF OPERATING OFFICER
$0
9.3K sh
Own +100%
-
Sell·S
SVP, CHIEF OPERATING OFFICER
$277.9K
4.3K sh · $65.19
Own -25%
-
Exercise·M
SVP, CHIEF OPERATING OFFICER
$0
9.3K sh
Own +122%
-
Exercise·M
Torley Helen KEY
PRESIDENT AND CEO · 10b5-1
$486.6K
60.0K sh · $8.11 avg · 3 lots
Own +362%
-
Sell·S
Torley Helen KEY
PRESIDENT AND CEO · 10b5-1
$4.3M
60.0K sh · $71.86 avg · 11 lots
Own -8%
-
Exercise·M
Torley Helen KEY
PRESIDENT AND CEO · 10b5-1
$486.6K
60.0K sh · $8.11 avg · 3 lots
Own +9%
-
Grant·A
SVP, CHIEF OPERATING OFFICER
$0
12.7K sh · 2 lots
Own New
-
Sell·S
Director · 10b5-1
$150.5K
2.0K sh · $75.24 avg · 2 lots
Own -4%
-
Sell·S
LaBrosse Nicole KEY
SVP, CHIEF FINANCIAL OFFICER · 10b5-1
$173.6K
2.2K sh · $77.95 avg · 2 lots
Own -9%
-
Exercise·M
LaBrosse Nicole KEY
SVP, CHIEF FINANCIAL OFFICER · 10b5-1
$0
12.4K sh · 2 lots
Own New
-
Exercise·M
LaBrosse Nicole KEY
SVP, CHIEF FINANCIAL OFFICER · 10b5-1
$150.2K
12.4K sh · $12.11 avg · 2 lots
Own +39%
-
Sell·S
LaBrosse Nicole KEY
SVP, CHIEF FINANCIAL OFFICER · 10b5-1
$1.5M
20.0K sh · $75.71 avg · 2 lots
Own -45%
-
Exercise·M
Torley Helen KEY
PRESIDENT AND CEO · 10b5-1
$486.6K
60.0K sh · $8.11 avg · 3 lots
Own +78%
-
Sell·S
Torley Helen KEY
PRESIDENT AND CEO · 10b5-1
$4.4M
60.0K sh · $74.08 avg · 8 lots
Own -8%
-
Exercise·M
Torley Helen KEY
PRESIDENT AND CEO · 10b5-1
$486.6K
60.0K sh · $8.11 avg · 3 lots
Own +9%
-
Sell·S
Director · 10b5-1
$294.7K
4.0K sh · $73.69 avg · 3 lots
Own -7%
-
Exercise·M
Torley Helen KEY
PRESIDENT AND CEO · 10b5-1
$486.6K
60.0K sh · $8.11 avg · 3 lots
Own +44%
-
Sell·S
Torley Helen KEY
PRESIDENT AND CEO · 10b5-1
$3.8M
60.0K sh · $63.62 avg · 6 lots
Own -8%
-
Exercise·M
Torley Helen KEY
PRESIDENT AND CEO · 10b5-1
$486.6K
60.0K sh · $8.11 avg · 3 lots
Own +9%
-
Exercise·M
Torley Helen KEY
PRESIDENT AND CEO · 10b5-1
$486.6K
60.0K sh · $8.11 avg · 3 lots
Own +31%
-
Exercise·M
Torley Helen KEY
PRESIDENT AND CEO · 10b5-1
$486.6K
60.0K sh · $8.11 avg · 3 lots
Own +9%
-
Sell·S
Torley Helen KEY
PRESIDENT AND CEO · 10b5-1
$3.4M
60.0K sh · $56.46 avg · 6 lots
Own -7%
-
Exercise·M
Torley Helen KEY
PRESIDENT AND CEO · 10b5-1
$162.2K
20.0K sh · $8.11
Own +7%
-
Sell·S
Torley Helen KEY
PRESIDENT AND CEO · 10b5-1
$1.1M
20.0K sh · $53.73 avg · 2 lots
Own -3%
-
Exercise·M
Torley Helen KEY
PRESIDENT AND CEO · 10b5-1
$162.2K
20.0K sh · $8.11
Own +3%
| Date▾ | Insider | Type | Shares | Value |
|---|---|---|---|---|
| Jun 12, 2026 | Snyder Mark Howard | Exercise M | 5.0K | $0 |
| Jun 12, 2026 | Snyder Mark Howard | Other F | 2.7K | $188.7K |
| Jun 12, 2026 | Snyder Mark Howard | Exercise M | 5.0K | $0 |
| Jun 3, 2026 | Torley Helen KEY 10b5-1 | Exercise M | 50.0K3 lots | $603.5K |
| Jun 3, 2026 | Torley Helen KEY 10b5-1 | Sell S | 50.0K9 lots | $3.4M |
| Jun 3, 2026 | Torley Helen KEY 10b5-1 | Exercise M | 50.0K3 lots | $603.5K |
| Jun 1, 2026 | Connaughton Bernadette 10b5-1 | Sell S | 1.6K | $107.6K |
| May 13, 2026 | Torley Helen KEY 10b5-1 | Exercise M | 50.0K3 lots | $603.5K |
| May 13, 2026 | Torley Helen KEY 10b5-1 | Sell S | 50.0K12 lots | $3.4M |
| May 13, 2026 | Torley Helen KEY 10b5-1 | Exercise M | 50.0K3 lots | $603.5K |
| May 5, 2026 | Posard Matthew L. | Grant A | 6.0K | $0 |
| May 5, 2026 | Posard Matthew L. | Grant A | 3.8K | $0 |
| May 5, 2026 | Krishnan Mahesh | Grant A | 6.0K | $0 |
| May 5, 2026 | Krishnan Mahesh | Grant A | 3.8K | $0 |
| May 5, 2026 | Lang James Paul | Grant A | 6.0K | $0 |
| May 5, 2026 | Lang James Paul | Grant A | 3.8K | $0 |
| May 5, 2026 | Henderson Jeffrey William | Grant A | 6.0K | $0 |
| May 5, 2026 | Henderson Jeffrey William | Grant A | 3.8K | $0 |
| May 5, 2026 | Duncan Barbara Gayle | Grant A | 6.0K | $0 |
| May 5, 2026 | Duncan Barbara Gayle | Grant A | 3.8K | $0 |
| May 5, 2026 | Connaughton Bernadette | Grant A | 6.0K | $0 |
| May 5, 2026 | Connaughton Bernadette | Grant A | 6.8K | $0 |
| May 1, 2026 | Connaughton Bernadette 10b5-1 | Sell S | 1.6K | $103.2K |
| Apr 6, 2026 | Torley Helen KEY 10b5-1 | Exercise M | 10.0K | $120.7K |
| Apr 6, 2026 | Torley Helen KEY 10b5-1 | Sell S | 10.0K2 lots | $635.0K |
| Apr 6, 2026 | Torley Helen KEY 10b5-1 | Exercise M | 10.0K | $120.7K |
| Apr 2, 2026 | Torley Helen KEY 10b5-1 | Exercise M | 40.0K2 lots | $482.8K |
| Apr 2, 2026 | Torley Helen KEY 10b5-1 | Sell S | 40.0K4 lots | $2.6M |
| Apr 2, 2026 | Torley Helen KEY 10b5-1 | Exercise M | 40.0K2 lots | $482.8K |
| Apr 1, 2026 | RAMSAY DAVID A KEY | Grant A | 10.0K | $0 |
| Mar 10, 2026 | Caudill Cortney | Exercise M | 21.5K2 lots | $722.0K |
| Mar 10, 2026 | Caudill Cortney | Exercise M | 21.5K2 lots | $722.0K |
| Mar 10, 2026 | Caudill Cortney | Sell S | 28.9K3 lots | $2.0M |
| Mar 4, 2026 | Torley Helen KEY 10b5-1 | Exercise M | 50.0K3 lots | $603.5K |
| Mar 4, 2026 | Torley Helen KEY 10b5-1 | Exercise M | 50.0K3 lots | $603.5K |
| Mar 4, 2026 | Torley Helen KEY 10b5-1 | Sell S | 50.0K7 lots | $3.5M |
| Feb 23, 2026 | Snyder Mark Howard | Exercise M | 12.3K2 lots | $0 |
| Feb 23, 2026 | Snyder Mark Howard | Exercise M | 12.3K2 lots | $0 |
| Feb 23, 2026 | Snyder Mark Howard | Other F | 6.7K2 lots | $471.3K |
| Feb 23, 2026 | LaBrosse Nicole KEY | Exercise M | 12.0K2 lots | $0 |
| Feb 23, 2026 | LaBrosse Nicole KEY | Exercise M | 12.0K2 lots | $0 |
| Feb 23, 2026 | LaBrosse Nicole KEY | Other F | 6.5K2 lots | $459.0K |
| Feb 23, 2026 | Torley Helen KEY | Exercise M | 39.2K2 lots | $0 |
| Feb 23, 2026 | Torley Helen KEY | Other F | 21.1K2 lots | $1.5M |
| Feb 23, 2026 | Torley Helen KEY | Exercise M | 39.2K2 lots | $0 |
| Feb 20, 2026 | Caudill Cortney | Exercise M | 2.7K | $0 |
| Feb 20, 2026 | Caudill Cortney | Other F | 1.0K | $73.6K |
| Feb 20, 2026 | Caudill Cortney | Exercise M | 2.7K | $0 |
| Feb 16, 2026 | Torley Helen KEY | Exercise M | 89.1K3 lots | $0 |
| Feb 16, 2026 | Torley Helen KEY | Exercise M | 89.1K3 lots | $0 |
| Feb 16, 2026 | Torley Helen KEY | Other F | 48.0K3 lots | $3.8M |
| Feb 16, 2026 | LaBrosse Nicole KEY | Exercise M | 23.8K3 lots | $0 |
| Feb 16, 2026 | LaBrosse Nicole KEY | Other F | 12.9K3 lots | $1.0M |
| Feb 16, 2026 | LaBrosse Nicole KEY | Exercise M | 23.8K3 lots | $0 |
| Feb 16, 2026 | Snyder Mark Howard | Exercise M | 16.8K2 lots | $0 |
| Feb 16, 2026 | Snyder Mark Howard | Exercise M | 16.8K2 lots | $0 |
| Feb 16, 2026 | Snyder Mark Howard | Other F | 9.1K2 lots | $720.4K |
| Feb 9, 2026 | LaBrosse Nicole KEY | Grant A | 42.1K3 lots | $0 |
| Feb 9, 2026 | Snyder Mark Howard | Grant A | 78.1K5 lots | $0 |
| Feb 9, 2026 | Torley Helen KEY | Grant A | 241.4K5 lots | $0 |
| Feb 9, 2026 | Caudill Cortney | Grant A | 44.2K4 lots | $0 |
| Feb 5, 2026 | Torley Helen KEY 10b5-1 | Exercise M | 50.0K3 lots | $603.5K |
| Feb 5, 2026 | Torley Helen KEY 10b5-1 | Sell S | 50.0K7 lots | $3.9M |
| Feb 5, 2026 | Torley Helen KEY 10b5-1 | Exercise M | 50.0K3 lots | $603.5K |
| Jan 5, 2026 | Connaughton Bernadette 10b5-1 | Sell S | 2.0K | $140.5K |
| Jan 3, 2026 | Snyder Mark Howard | Exercise M | 7.6K | $0 |
| Jan 3, 2026 | Snyder Mark Howard | Exercise M | 7.6K | $0 |
| Jan 3, 2026 | Snyder Mark Howard | Other F | 4.2K | $298.3K |
| Jan 2, 2026 | Lang James Paul | Grant A | 1.3K | $0 |
| Jan 2, 2026 | Lang James Paul | Grant A | 889 | $0 |
| Dec 9, 2025 | Torley Helen KEY | Grant A | 165.5K | $0 |
| Dec 1, 2025 | Torley Helen KEY 10b5-1 | Exercise M | 16.6K | $134.4K |
| Dec 1, 2025 | Torley Helen KEY 10b5-1 | Exercise M | 16.6K | $134.4K |
| Dec 1, 2025 | Torley Helen KEY 10b5-1 | Sell S | 16.6K4 lots | $1.1M |
| Dec 1, 2025 | Connaughton Bernadette 10b5-1 | Sell S | 829 | $59.4K |
| Nov 26, 2025 | Torley Helen KEY 10b5-1 | Other G | 25.0K | $0 |
| Nov 12, 2025 | Torley Helen KEY 10b5-1 | Exercise M | 60.0K3 lots | $486.6K |
| Nov 12, 2025 | Torley Helen KEY 10b5-1 | Exercise M | 60.0K3 lots | $486.6K |
| Nov 12, 2025 | Torley Helen KEY 10b5-1 | Sell S | 60.0K8 lots | $4.2M |
| Nov 10, 2025 | Connaughton Bernadette 10b5-1 | Sell S | 2.0K | $137.0K |
| Nov 1, 2025 | Caudill Cortney | Exercise M | 9.3K | $0 |
| Nov 1, 2025 | Caudill Cortney | Sell S | 4.3K | $277.9K |
| Nov 1, 2025 | Caudill Cortney | Exercise M | 9.3K | $0 |
| Oct 3, 2025 | Torley Helen KEY 10b5-1 | Exercise M | 60.0K3 lots | $486.6K |
| Oct 3, 2025 | Torley Helen KEY 10b5-1 | Sell S | 60.0K11 lots | $4.3M |
| Oct 3, 2025 | Torley Helen KEY 10b5-1 | Exercise M | 60.0K3 lots | $486.6K |
| Oct 3, 2025 | Caudill Cortney | Grant A | 12.7K2 lots | $0 |
| Oct 1, 2025 | Connaughton Bernadette 10b5-1 | Sell S | 2.0K2 lots | $150.5K |
| Sep 22, 2025 | LaBrosse Nicole KEY 10b5-1 | Sell S | 2.2K2 lots | $173.6K |
| Sep 10, 2025 | LaBrosse Nicole KEY 10b5-1 | Exercise M | 12.4K2 lots | $0 |
| Sep 10, 2025 | LaBrosse Nicole KEY 10b5-1 | Exercise M | 12.4K2 lots | $150.2K |
| Sep 10, 2025 | LaBrosse Nicole KEY 10b5-1 | Sell S | 20.0K2 lots | $1.5M |
| Sep 4, 2025 | Torley Helen KEY 10b5-1 | Exercise M | 60.0K3 lots | $486.6K |
| Sep 4, 2025 | Torley Helen KEY 10b5-1 | Sell S | 60.0K8 lots | $4.4M |
| Sep 4, 2025 | Torley Helen KEY 10b5-1 | Exercise M | 60.0K3 lots | $486.6K |
| Sep 2, 2025 | Connaughton Bernadette 10b5-1 | Sell S | 4.0K3 lots | $294.7K |
| Aug 13, 2025 | Torley Helen KEY 10b5-1 | Exercise M | 60.0K3 lots | $486.6K |
| Aug 13, 2025 | Torley Helen KEY 10b5-1 | Sell S | 60.0K6 lots | $3.8M |
| Aug 13, 2025 | Torley Helen KEY 10b5-1 | Exercise M | 60.0K3 lots | $486.6K |
| Jul 10, 2025 | Torley Helen KEY 10b5-1 | Exercise M | 60.0K3 lots | $486.6K |
| Jul 10, 2025 | Torley Helen KEY 10b5-1 | Exercise M | 60.0K3 lots | $486.6K |
| Jul 10, 2025 | Torley Helen KEY 10b5-1 | Sell S | 60.0K6 lots | $3.4M |
| Jun 24, 2025 | Torley Helen KEY 10b5-1 | Exercise M | 20.0K | $162.2K |
| Jun 24, 2025 | Torley Helen KEY 10b5-1 | Sell S | 20.0K2 lots | $1.1M |
| Jun 24, 2025 | Torley Helen KEY 10b5-1 | Exercise M | 20.0K | $162.2K |
Buy Sell Non-market (grant · exercise · gift)
About HALO insider trading
This page tracks insider transactions for HALOZYME THERAPEUTICS, INC. (HALO) reported to the U.S. Securities and Exchange Commission on Form 4. Corporate insiders — directors, executive officers and beneficial owners of more than 10% of the stock — must disclose their trades within two business days. Open-market purchases (code P) and sales (code S) made at the insider's discretion are the most-watched opportunistic signals, while awards (A), option exercises (M) and tax-withholding (F) reflect compensation rather than conviction. Trades marked 10b5-1 were made under a pre-arranged plan and are considered routine. A cluster buy — several insiders buying within a short window — is historically a stronger bullish indicator than any single trade.