HALO
Halozyme Therapeutics, Inc.$129.31-2.12 (-1.62%)Prev Close$130.91·MCap$14.86B·P/E52.63·Vol135.5K·Yield—
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Buys (12M)
0
$0.00
▼
Sells (12M)
25
$50.19M
◆
Net Activity
Net Seller
$50.19M
●
Active Insiders
7
last 12 mo
Over the past 12 months, insider activity at Halozyme Therapeutics, Inc. (HALO) has been exclusively selling, with 0 insider purchases totaling $0.00 and 25 insider sales totaling $50.19M. The most recent insider transaction was by Torley Helen (director, officer: PRESIDENT AND CEO), who sold $6.61M worth of shares on Oct 8, 2026. Halozyme Therapeutics, Inc. operates in the Healthcare sector, within the Biotechnology industry, with a market cap of $14.86B.
HALO Insider Trading Activity
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Oct 8, 2026 | Torley Helen | director, officer: PRESIDENT AND CEO | Sell | 60,000 | $110.18 | $6.61M | 785,480 |
| Oct 2, 2026 | Posard Matthew L. | director | Sell | 5,230 | $108.54 | $567.7K | 58,109 |
| Sep 17, 2026 | Posard Matthew L. | director | Sell | 18,996 | $107.74 | $2.05M | 74,735 |
| Sep 11, 2026 | Torley Helen | director, officer: PRESIDENT AND CEO | Sell | 60,000 | $107.28 | $6.44M | 774,476 |
| Aug 19, 2026 | Torley Helen | director, officer: PRESIDENT AND CEO | Sell | 60,000 | $104.59 | $6.28M | 786,880 |
| Aug 11, 2026 | Connaughton Bernadette | director | Sell | 1,626 | $102.80 | $167.2K | 40,418 |
| Jul 9, 2026 | Torley Helen | director, officer: PRESIDENT AND CEO | Sell | 1,923 | $79.77 | $153.4K | 768,815 |
| Jul 2, 2026 | Connaughton Bernadette | director | Sell | 1,625 | $76.71 | $124.7K | 42,669 |
| Jun 30, 2026 | Krishnan Mahesh | director | Sell | 7,304 | $75.00 | $547.8K | 14,462-34% |
| Jun 3, 2026 | Torley Helen | director, officer: PRESIDENT AND CEO | Sell | 50,000 | $67.40 | $3.37M | 786,170 |
| Jun 2, 2026 | Connaughton Bernadette | director | Sell | 1,625 | $66.21 | $107.6K | 43,669 |
| May 13, 2026 | Torley Helen | director, officer: PRESIDENT AND CEO | Sell | 50,000 | $68.68 | $3.43M | 787,680 |
| May 5, 2026 | Connaughton Bernadette | director | Sell | 1,625 | $63.48 | $103.2K | 38,498 |
| Apr 7, 2026 | Torley Helen | director, officer: PRESIDENT AND CEO | Sell | 10,000 | $63.50 | $635.0K | 771,880 |
| Apr 2, 2026 | Torley Helen | director, officer: PRESIDENT AND CEO | Sell | 40,000 | $64.81 | $2.59M | 771,980 |
| Mar 10, 2026 | Caudill Cortney | officer: SVP, CHIEF OPERATING OFFICER | Sell | 28,857 | $67.75 | $1.96M | 16,466-64% |
| Feb 17, 2026 | Torley Helen | PRESIDENT AND CEO | Sell | 48,043 | $79.44 | $3.82M | 0 |
| Feb 16, 2026 | LaBrosse Nicole | SVP, CHIEF FINANCIAL OFFICER | Sell | 12,894 | $79.44 | $1.02M | 0 |
| Feb 16, 2026 | Snyder Mark Howard | SVP, CHIEF LEGAL OFFICER | Sell | 9,068 | $79.44 | $720.4K | 0 |
| Feb 5, 2026 | Torley Helen | director, officer: PRESIDENT AND CEO | Sell | 50,000 | $77.07 | $3.85M | 726,168 |
| Jan 6, 2026 | Connaughton Bernadette | director | Sell | 2,000 | $70.25 | $140.5K | 40,123 |
| Dec 1, 2025 | Connaughton Bernadette | Director | Sell | 829 | $71.60 | $59.4K | 42,123 |
| Dec 1, 2025 | Torley Helen | PRESIDENT AND CEO | Sell | 16,569 | $68.92 | $1.14M | 714,882 |
| Nov 12, 2025 | Connaughton Bernadette | Director | Sell | 2,000 | $68.48 | $137.0K | 42,952 |
| Nov 12, 2025 | Torley Helen | PRESIDENT AND CEO | Sell | 60,000 | $69.47 | $4.17M | 749,219 |
| Oct 3, 2025 | Torley Helen | PRESIDENT AND CEO | Sell | 60,000 | $71.86 | $4.31M | 747,119 |
| Oct 1, 2025 | Connaughton Bernadette | Sell | 2,000 | $75.24 | $150.5K | 45,452 | |
| Sep 23, 2025 | LaBrosse Nicole | SVP, CHIEF FINANCIAL OFFICER | Sell | 2,227 | $77.95 | $173.6K | 22,393 |
| Sep 11, 2025 | LaBrosse Nicole | SVP, CHIEF FINANCIAL OFFICER | Sell | 20,000 | $75.71 | $1.51M | 37,546-35% |
| Sep 4, 2025 | Torley Helen | PRESIDENT AND CEO | Sell | 60,000 | $74.08 | $4.44M | 753,419 |
| Sep 2, 2025 | Connaughton Bernadette | Sell | 4,000 | $73.68 | $294.7K | 50,852 | |
| Aug 13, 2025 | Torley Helen | PRESIDENT AND CEO | Sell | 60,000 | $63.62 | $3.82M | 740,677 |
| Jul 10, 2025 | Torley Helen | PRESIDENT AND CEO | Sell | 60,000 | $56.46 | $3.39M | 750,121 |
| Jun 24, 2025 | Torley Helen | PRESIDENT AND CEO | Sell | 60,000 | $53.09 | $3.19M | 749,230 |
| Apr 28, 2025 | Henderson Jeffrey William | Sell | 4,497 | $60.37 | $271.5K | 28,811 | |
| Apr 1, 2025 | Henderson Jeffrey William | Sell | 503 | $64.05 | $32.2K | 33,108 | |
| Mar 3, 2025 | Henderson Jeffrey William | Sell | 5,000 | $58.69 | $293.5K | 36,816 | |
| Feb 27, 2025 | LaBarre Michael J. | SVP, CHIEF TECHNICAL OFFICER | Sell | 21,697 | $58.10 | $1.26M | 186,153 |
| Feb 4, 2025 | Henderson Jeffrey William | Sell | 5,000 | $56.30 | $281.5K | 42,511 | |
| Jan 7, 2025 | Henderson Jeffrey William | Sell | 10,000 | $50.01 | $500.1K | 43,611 | |
| Oct 16, 2024 | LaBarre Michael J. | SVP, CHIEF TECHNICAL OFFICER | Sell | 20,000 | $53.50 | $1.07M | 173,833 |
| Oct 9, 2024 | Torley Helen | PRESIDENT AND CEO | Sell | 20,000 | $53.29 | $1.07M | 680,763 |
| Sep 26, 2024 | Torley Helen | PRESIDENT AND CEO | Sell | 30,000 | $56.88 | $1.71M | 676,744 |
| Sep 18, 2024 | LaBarre Michael J. | SVP, CHIEF TECHNICAL OFFICER | Sell | 20,000 | $62.45 | $1.25M | 175,793 |
| Sep 12, 2024 | Torley Helen | PRESIDENT AND CEO | Sell | 30,000 | $59.13 | $1.77M | 676,744 |
| Aug 21, 2024 | LaBarre Michael J. | SVP, CHIEF TECHNICAL OFFICER | Sell | 20,000 | $61.40 | $1.23M | 168,276 |
| Aug 15, 2024 | Torley Helen | PRESIDENT AND CEO | Sell | 30,000 | $57.15 | $1.71M | 683,481 |
| Aug 14, 2024 | Posard Matthew L. | Sell | 29,881 | $56.53 | $1.69M | 89,755 | |
| Jul 24, 2024 | LaBarre Michael J. | SVP, CHIEF TECHNICAL OFFICER | Sell | 20,000 | $55.00 | $1.10M | 173,467 |
| Jul 23, 2024 | LaBrosse Nicole | SVP, CHIEF FINANCIAL OFFICER | Sell | 5,000 | $53.93 | $269.7K | 15,480 |
Showing 1–50 of 103
1 / 3
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.
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Oct 8, 2026 | Torley Helen | director, officer: PRESIDENT AND CEO | Sell | 60,000 | $110.18 | $6.61M | 785,480 |
| Oct 2, 2026 | Posard Matthew L. | director | Sell | 5,230 | $108.54 | $567.7K | 58,109 |
| Sep 17, 2026 | Posard Matthew L. | director | Sell | 18,996 | $107.74 | $2.05M | 74,735 |
| Sep 11, 2026 | Torley Helen | director, officer: PRESIDENT AND CEO | Sell | 60,000 | $107.28 | $6.44M | 774,476 |
| Aug 19, 2026 | Torley Helen | director, officer: PRESIDENT AND CEO | Sell | 60,000 | $104.59 | $6.28M | 786,880 |
| Aug 11, 2026 | Connaughton Bernadette | director | Sell | 1,626 | $102.80 | $167.2K | 40,418 |
| Jul 9, 2026 | Torley Helen | director, officer: PRESIDENT AND CEO | Sell | 1,923 | $79.77 | $153.4K | 768,815 |
| Jul 2, 2026 | Connaughton Bernadette | director | Sell | 1,625 | $76.71 | $124.7K | 42,669 |
| Jun 30, 2026 | Krishnan Mahesh | director | Sell | 7,304 | $75.00 | $547.8K | 14,462-34% |
| Jun 3, 2026 | Torley Helen | director, officer: PRESIDENT AND CEO | Sell | 50,000 | $67.40 | $3.37M | 786,170 |
| Jun 2, 2026 | Connaughton Bernadette | director | Sell | 1,625 | $66.21 | $107.6K | 43,669 |
| May 13, 2026 | Torley Helen | director, officer: PRESIDENT AND CEO | Sell | 50,000 | $68.68 | $3.43M | 787,680 |
| May 5, 2026 | Connaughton Bernadette | director | Sell | 1,625 | $63.48 | $103.2K | 38,498 |
| Apr 7, 2026 | Torley Helen | director, officer: PRESIDENT AND CEO | Sell | 10,000 | $63.50 | $635.0K | 771,880 |
| Apr 2, 2026 | Torley Helen | director, officer: PRESIDENT AND CEO | Sell | 40,000 | $64.81 | $2.59M | 771,980 |
| Mar 10, 2026 | Caudill Cortney | officer: SVP, CHIEF OPERATING OFFICER | Sell | 28,857 | $67.75 | $1.96M | 16,466-64% |
| Feb 17, 2026 | Torley Helen | PRESIDENT AND CEO | Sell | 48,043 | $79.44 | $3.82M | 0 |
| Feb 16, 2026 | LaBrosse Nicole | SVP, CHIEF FINANCIAL OFFICER | Sell | 12,894 | $79.44 | $1.02M | 0 |
| Feb 16, 2026 | Snyder Mark Howard | SVP, CHIEF LEGAL OFFICER | Sell | 9,068 | $79.44 | $720.4K | 0 |
| Feb 5, 2026 | Torley Helen | director, officer: PRESIDENT AND CEO | Sell | 50,000 | $77.07 | $3.85M | 726,168 |
| Jan 6, 2026 | Connaughton Bernadette | director | Sell | 2,000 | $70.25 | $140.5K | 40,123 |
| Dec 1, 2025 | Connaughton Bernadette | Director | Sell | 829 | $71.60 | $59.4K | 42,123 |
| Dec 1, 2025 | Torley Helen | PRESIDENT AND CEO | Sell | 16,569 | $68.92 | $1.14M | 714,882 |
| Nov 12, 2025 | Connaughton Bernadette | Director | Sell | 2,000 | $68.48 | $137.0K | 42,952 |
| Nov 12, 2025 | Torley Helen | PRESIDENT AND CEO | Sell | 60,000 | $69.47 | $4.17M | 749,219 |
| Oct 3, 2025 | Torley Helen | PRESIDENT AND CEO | Sell | 60,000 | $71.86 | $4.31M | 747,119 |
| Oct 1, 2025 | Connaughton Bernadette | Sell | 2,000 | $75.24 | $150.5K | 45,452 | |
| Sep 23, 2025 | LaBrosse Nicole | SVP, CHIEF FINANCIAL OFFICER | Sell | 2,227 | $77.95 | $173.6K | 22,393 |
| Sep 11, 2025 | LaBrosse Nicole | SVP, CHIEF FINANCIAL OFFICER | Sell | 20,000 | $75.71 | $1.51M | 37,546-35% |
| Sep 4, 2025 | Torley Helen | PRESIDENT AND CEO | Sell | 60,000 | $74.08 | $4.44M | 753,419 |
| Sep 2, 2025 | Connaughton Bernadette | Sell | 4,000 | $73.68 | $294.7K | 50,852 | |
| Aug 13, 2025 | Torley Helen | PRESIDENT AND CEO | Sell | 60,000 | $63.62 | $3.82M | 740,677 |
| Jul 10, 2025 | Torley Helen | PRESIDENT AND CEO | Sell | 60,000 | $56.46 | $3.39M | 750,121 |
| Jun 24, 2025 | Torley Helen | PRESIDENT AND CEO | Sell | 60,000 | $53.09 | $3.19M | 749,230 |
| Apr 28, 2025 | Henderson Jeffrey William | Sell | 4,497 | $60.37 | $271.5K | 28,811 | |
| Apr 1, 2025 | Henderson Jeffrey William | Sell | 503 | $64.05 | $32.2K | 33,108 | |
| Mar 3, 2025 | Henderson Jeffrey William | Sell | 5,000 | $58.69 | $293.5K | 36,816 | |
| Feb 27, 2025 | LaBarre Michael J. | SVP, CHIEF TECHNICAL OFFICER | Sell | 21,697 | $58.10 | $1.26M | 186,153 |
| Feb 4, 2025 | Henderson Jeffrey William | Sell | 5,000 | $56.30 | $281.5K | 42,511 | |
| Jan 7, 2025 | Henderson Jeffrey William | Sell | 10,000 | $50.01 | $500.1K | 43,611 | |
| Oct 16, 2024 | LaBarre Michael J. | SVP, CHIEF TECHNICAL OFFICER | Sell | 20,000 | $53.50 | $1.07M | 173,833 |
| Oct 9, 2024 | Torley Helen | PRESIDENT AND CEO | Sell | 20,000 | $53.29 | $1.07M | 680,763 |
| Sep 26, 2024 | Torley Helen | PRESIDENT AND CEO | Sell | 30,000 | $56.88 | $1.71M | 676,744 |
| Sep 18, 2024 | LaBarre Michael J. | SVP, CHIEF TECHNICAL OFFICER | Sell | 20,000 | $62.45 | $1.25M | 175,793 |
| Sep 12, 2024 | Torley Helen | PRESIDENT AND CEO | Sell | 30,000 | $59.13 | $1.77M | 676,744 |
| Aug 21, 2024 | LaBarre Michael J. | SVP, CHIEF TECHNICAL OFFICER | Sell | 20,000 | $61.40 | $1.23M | 168,276 |
| Aug 15, 2024 | Torley Helen | PRESIDENT AND CEO | Sell | 30,000 | $57.15 | $1.71M | 683,481 |
| Aug 14, 2024 | Posard Matthew L. | Sell | 29,881 | $56.53 | $1.69M | 89,755 | |
| Jul 24, 2024 | LaBarre Michael J. | SVP, CHIEF TECHNICAL OFFICER | Sell | 20,000 | $55.00 | $1.10M | 173,467 |
| Jul 23, 2024 | LaBrosse Nicole | SVP, CHIEF FINANCIAL OFFICER | Sell | 5,000 | $53.93 | $269.7K | 15,480 |
HALO Insiders
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