Form4.ai tracks every SEC insider trade in real time. See every HALO insider filing with a free account — no card.
See every HALO insider filing — free account, no card.
Free accountHALOZYME THERAPEUTICS, INC. (HALO) has 9 SEC Form 4 insider filings on record in the last 90 days. No insider purchases were filed — 3 sales totalling $2.8M. Most recent filing: Oct. 8, 2026.
Open-market value, last 90 days
Form 4 filings by type, last 90 days
| Date | Insider | Trade | Value | Price since buy |
|---|---|---|---|---|
| Oct 8, 2026 SEC filing | Torley Helen PRESIDENT AND CEO | Vest & sell-to-cover | 0 sh | — |
| Oct 8, 2026 SEC filing | Connaughton Bernadette Director | Grant / award | — | — |
| Oct 2, 2026 SEC filing | Daly James M Director | Grant / award | — | — |
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Form 4 is the filing company officers, directors and 10% shareholders must submit to the SEC within two business days of trading their own company's stock. Open-market purchases generally carry more signal than sales, which are often scheduled in advance. More on how this works.