// company-profile
Halozyme Therapeutics, Inc.
HALO// activity-summary
Recent insider activity is bullish. Over the last 30 days, 2 insiders purchased shares versus 1 sale. Buying was led by Snyder Mark Howard.
// 90-day insight
Over the last 90 days, Halozyme Therapeutics, Inc. insiders bought $724K (18 transactions) and sold $189K (1 transaction).
- Most active insider: Torley Helen with 33 transactions totaling $9.2M.
- Largest single sale: $1.1M by Torley Helen on Jun 2, 2026.
- 96% of recent sales were pre-scheduled 10b5-1 trades — typically less informative than open-market activity.
Activity skews bullish — buys outpace sales.
Institutional Ownership
Top 13F-HR holders of Halozyme Therapeutics, Inc. as of 2026-03-31
Data source: SEC Form 13F-HR filings. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Jun 12, 2026 | Snyder Mark Howard | HALO | Option Exercise | 5,034 | $0.00 | $0K |
| Jun 12, 2026 | Snyder Mark Howard | HALO | Option Exercise | 5,034 | $0.00 | $0K |
| Jun 12, 2026 | Snyder Mark Howard | HALO | Tax Withholding | 2,715 | $69.50 | $189K |
| Jun 3, 2026 | Torley Helen | HALO | Sale10b5 | 1,500 | $67.67 | $102K |
| Jun 3, 2026 | Torley Helen | HALO | Sale10b5 | 2,000 | $68.74 | $137K |
45 more transactions hidden
Free account · No credit card required
Building something? Get API access →
Popular companies on Form4API
Browse insider trading activity for other actively-filed companies.