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Insider trades
Open-market buys and sells by officers, directors and 10% owners, from SEC Form 4. Usually filed within two business days.
About this data
- What it is
- When a company's officers, directors or owners of more than 10% buy or sell its stock, they must report the trade to the SEC on Form 4. This feed shows purchases and sales on the open market; stock grants, option exercises and shares withheld for tax are left out.
- Who files it
- The insider, usually through the company, within two business days of the trade.
- How current
- We collect new filings throughout the day on SEC business days.
- Worth knowing
- Sales are often routine: insiders sell to diversify, to pay taxes, or under a 10b5-1 plan set up months in advance. A purchase with their own money is less common, which is why many investors pay closer attention to it.
All of this comes from public filings.
Source and freshness · Information, not investment advice (disclaimer).
Open-market trades per day, last 30 days
Purchases Sales
By trade date. Insiders have two business days to file, so the most recent days fill in later.
Latest open-market insider trades
Showing: ticker HALO
| Traded | Insider | Company | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Sep 16, 2026 | Matthew L. Posard Director | HALO Halozyme Therapeutics, Inc. | Sale | 4,000 | $108.99 | $436.0K Sale | Form 4 ↗ |
| Sep 16, 2026 | Matthew L. Posard Director | HALO Halozyme Therapeutics, Inc. | Sale | 8,896 | $108.04 | $961.1K Sale | Form 4 ↗ |
| Sep 16, 2026 | Matthew L. Posard Director | HALO Halozyme Therapeutics, Inc. | Sale | 3,000 | $106.83 | $320.5K Sale | Form 4 ↗ |
| Sep 16, 2026 | Matthew L. Posard Director | HALO Halozyme Therapeutics, Inc. | Sale | 3,100 | $106.13 | $329.0K Sale | Form 4 ↗ |
| Sep 11, 2026 | Helen Torley PRESIDENT AND CEO, Director | HALO Halozyme Therapeutics, Inc. | Sale | 4,508 | $107.55 | $484.8K Sale | Form 4 ↗ |
| Sep 11, 2026 | Helen Torley PRESIDENT AND CEO, Director | HALO Halozyme Therapeutics, Inc. | Sale | 15,492 | $107.15 | $1.7M Sale | Form 4 ↗ |
| Sep 10, 2026 | Helen Torley PRESIDENT AND CEO, Director | HALO Halozyme Therapeutics, Inc. | Sale | 5,412 | $107.58 | $582.2K Sale | Form 4 ↗ |
| Sep 10, 2026 | Helen Torley PRESIDENT AND CEO, Director | HALO Halozyme Therapeutics, Inc. | Sale | 14,588 | $107.01 | $1.6M Sale | Form 4 ↗ |
| Sep 9, 2026 | Helen Torley PRESIDENT AND CEO, Director | HALO Halozyme Therapeutics, Inc. | Sale | 100 | $108.67 | $10.9K Sale | Form 4 ↗ |
| Sep 9, 2026 | Helen Torley PRESIDENT AND CEO, Director | HALO Halozyme Therapeutics, Inc. | Sale | 6,596 | $107.82 | $711.2K Sale | Form 4 ↗ |
| Sep 9, 2026 | Helen Torley PRESIDENT AND CEO, Director | HALO Halozyme Therapeutics, Inc. | Sale | 13,304 | $107.22 | $1.4M Sale | Form 4 ↗ |
| Aug 19, 2026 | Helen Torley PRESIDENT AND CEO, Director | HALO Halozyme Therapeutics, Inc. | Sale | 3,200 | $107.77 | $344.9K Sale | Form 4 ↗ |
| Aug 19, 2026 | Helen Torley PRESIDENT AND CEO, Director | HALO Halozyme Therapeutics, Inc. | Sale | 9,600 | $107.22 | $1.0M Sale | Form 4 ↗ |
| Aug 19, 2026 | Helen Torley PRESIDENT AND CEO, Director | HALO Halozyme Therapeutics, Inc. | Sale | 7,200 | $106.36 | $765.8K Sale | Form 4 ↗ |
| Aug 18, 2026 | Helen Torley PRESIDENT AND CEO, Director | HALO Halozyme Therapeutics, Inc. | Sale | 9,400 | $104.87 | $985.8K Sale | Form 4 ↗ |
| Aug 18, 2026 | Helen Torley PRESIDENT AND CEO, Director | HALO Halozyme Therapeutics, Inc. | Sale | 4,897 | $104.11 | $509.8K Sale | Form 4 ↗ |
| Aug 18, 2026 | Helen Torley PRESIDENT AND CEO, Director | HALO Halozyme Therapeutics, Inc. | Sale | 5,703 | $103.08 | $587.9K Sale | Form 4 ↗ |
| Aug 17, 2026 | Helen Torley PRESIDENT AND CEO, Director | HALO Halozyme Therapeutics, Inc. | Sale | 7,500 | $103.48 | $776.1K Sale | Form 4 ↗ |
| Aug 17, 2026 | Helen Torley PRESIDENT AND CEO, Director | HALO Halozyme Therapeutics, Inc. | Sale | 9,000 | $102.55 | $923.0K Sale | Form 4 ↗ |
| Aug 17, 2026 | Helen Torley PRESIDENT AND CEO, Director | HALO Halozyme Therapeutics, Inc. | Sale | 2,100 | $101.77 | $213.7K Sale | Form 4 ↗ |
| Aug 17, 2026 | Helen Torley PRESIDENT AND CEO, Director | HALO Halozyme Therapeutics, Inc. | Sale | 500 | $100.46 | $50.2K Sale | Form 4 ↗ |
| Aug 17, 2026 | Helen Torley PRESIDENT AND CEO, Director | HALO Halozyme Therapeutics, Inc. | Sale | 900 | $98.96 | $89.1K Sale | Form 4 ↗ |
| Aug 10, 2026 | Bernadette Connaughton Director | HALO Halozyme Therapeutics, Inc. | Sale | 1,626 | $102.80 | $167.2K Sale | Form 4 ↗ |
| Jul 8, 2026 | Helen Torley PRESIDENT AND CEO, Director | HALO Halozyme Therapeutics, Inc. | Sale | 1,035 | $80.19 | $83.0K Sale | Form 4 ↗ |
| Jul 8, 2026 | Helen Torley PRESIDENT AND CEO, Director | HALO Halozyme Therapeutics, Inc. | Sale | 888 | $79.28 | $70.4K Sale | Form 4 ↗ |
| Jul 1, 2026 | Bernadette Connaughton Director | HALO Halozyme Therapeutics, Inc. | Sale | 625 | $77.21 | $48.3K Sale | Form 4 ↗ |
| Jul 1, 2026 | Bernadette Connaughton Director | HALO Halozyme Therapeutics, Inc. | Sale | 1,000 | $76.40 | $76.4K Sale | Form 4 ↗ |
| Jun 29, 2026 | Mahesh Krishnan Director | HALO Halozyme Therapeutics, Inc. | Sale | 7,304 | $75.00 | $547.8K Sale | Form 4 ↗ |
| Jun 3, 2026 | Helen Torley PRESIDENT AND CEO, Director | HALO Halozyme Therapeutics, Inc. | Sale | 6,100 | $69.69 | $425.1K Sale | Form 4 ↗ |
| Jun 3, 2026 | Helen Torley PRESIDENT AND CEO, Director | HALO Halozyme Therapeutics, Inc. | Sale | 2,000 | $68.74 | $137.5K Sale | Form 4 ↗ |
| Jun 3, 2026 | Helen Torley PRESIDENT AND CEO, Director | HALO Halozyme Therapeutics, Inc. | Sale | 1,500 | $67.68 | $101.5K Sale | Form 4 ↗ |
| Jun 3, 2026 | Helen Torley PRESIDENT AND CEO, Director | HALO Halozyme Therapeutics, Inc. | Sale | 400 | $66.37 | $26.5K Sale | Form 4 ↗ |
| Jun 2, 2026 | Helen Torley PRESIDENT AND CEO, Director | HALO Halozyme Therapeutics, Inc. | Sale | 3,400 | $66.75 | $226.9K Sale | Form 4 ↗ |
| Jun 2, 2026 | Helen Torley PRESIDENT AND CEO, Director | HALO Halozyme Therapeutics, Inc. | Sale | 16,600 | $66.31 | $1.1M Sale | Form 4 ↗ |
| Jun 1, 2026 | Helen Torley PRESIDENT AND CEO, Director | HALO Halozyme Therapeutics, Inc. | Sale | 5,401 | $68.35 | $369.2K Sale | Form 4 ↗ |
| Jun 1, 2026 | Helen Torley PRESIDENT AND CEO, Director | HALO Halozyme Therapeutics, Inc. | Sale | 12,989 | $67.41 | $875.6K Sale | Form 4 ↗ |
| Jun 1, 2026 | Helen Torley PRESIDENT AND CEO, Director | HALO Halozyme Therapeutics, Inc. | Sale | 1,610 | $66.39 | $106.9K Sale | Form 4 ↗ |
| Jun 1, 2026 | Bernadette Connaughton Director | HALO Halozyme Therapeutics, Inc. | Sale | 1,625 | $66.21 | $107.6K Sale | Form 4 ↗ |
| May 13, 2026 | Helen Torley PRESIDENT AND CEO, Director | HALO Halozyme Therapeutics, Inc. | Sale | 600 | $70.81 | $42.5K Sale | Form 4 ↗ |
| May 13, 2026 | Helen Torley PRESIDENT AND CEO, Director | HALO Halozyme Therapeutics, Inc. | Sale | 3,950 | $69.79 | $275.7K Sale | Form 4 ↗ |
| May 13, 2026 | Helen Torley PRESIDENT AND CEO, Director | HALO Halozyme Therapeutics, Inc. | Sale | 3,350 | $68.88 | $230.7K Sale | Form 4 ↗ |
| May 13, 2026 | Helen Torley PRESIDENT AND CEO, Director | HALO Halozyme Therapeutics, Inc. | Sale | 2,100 | $68.10 | $143.0K Sale | Form 4 ↗ |
| May 12, 2026 | Helen Torley PRESIDENT AND CEO, Director | HALO Halozyme Therapeutics, Inc. | Sale | 2,800 | $73.12 | $204.7K Sale | Form 4 ↗ |
| May 12, 2026 | Helen Torley PRESIDENT AND CEO, Director | HALO Halozyme Therapeutics, Inc. | Sale | 5,900 | $72.15 | $425.7K Sale | Form 4 ↗ |
| May 12, 2026 | Helen Torley PRESIDENT AND CEO, Director | HALO Halozyme Therapeutics, Inc. | Sale | 9,802 | $71.37 | $699.6K Sale | Form 4 ↗ |
| May 12, 2026 | Helen Torley PRESIDENT AND CEO, Director | HALO Halozyme Therapeutics, Inc. | Sale | 1,398 | $70.29 | $98.3K Sale | Form 4 ↗ |
| May 12, 2026 | Helen Torley PRESIDENT AND CEO, Director | HALO Halozyme Therapeutics, Inc. | Sale | 100 | $67.85 | $6,785 Sale | Form 4 ↗ |
| May 11, 2026 | Helen Torley PRESIDENT AND CEO, Director | HALO Halozyme Therapeutics, Inc. | Sale | 6,700 | $66.33 | $444.4K Sale | Form 4 ↗ |
| May 11, 2026 | Helen Torley PRESIDENT AND CEO, Director | HALO Halozyme Therapeutics, Inc. | Sale | 3,575 | $65.46 | $234.0K Sale | Form 4 ↗ |
| May 11, 2026 | Helen Torley PRESIDENT AND CEO, Director | HALO Halozyme Therapeutics, Inc. | Sale | 9,725 | $64.63 | $628.5K Sale | Form 4 ↗ |
The newest 50 items, most recent first. Every row links to its original filing. Updated Nov 15, 2026, 6:12 PM EST.
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