Form 4: Halozyme Therapeutics Director Sells Shares
Insider Transaction (Form 4)
Matthew L. Posard, a Director of Halozyme Therapeutics, Inc., sold 18,996 shares of common stock on September 16, 2026.
Summary
- Open-market sale: disposed of 3,100 Common Stock at $106.13 ($329,009) on September 16, 2026; holds 74,735 after (Direct).
- Open-market sale: disposed of 3,000 Common Stock at $106.83 ($320,484) on September 16, 2026; holds 71,735 after (Direct).
- Open-market sale: disposed of 8,896 Common Stock at $108.04 ($961,124) on September 16, 2026; holds 62,839 after (Direct).
- Open-market sale: disposed of 4,000 Common Stock at $108.99 ($435,964) on September 16, 2026; holds 58,839 after (Direct).
Sentiment
Score: 4
Explanation: StockSavvy.ai views this as a mildly negative but low-conviction signal: an insider sold $2,046,581 of stock under a pre-arranged Rule 10b5-1 plan, which is typically routine.
Insider Transactions
Matthew L. Posard — Director
Transaction made under a Rule 10b5-1 trading plan.
| Date | Transaction | Security | Shares | Price | Value | Held After |
|---|---|---|---|---|---|---|
| 2026-09-16 | Open-market sale | Common Stock | 3,100 | $106 | $329.0K | 74,735 |
| 2026-09-16 | Open-market sale | Common Stock | 3,000 | $107 | $320.5K | 71,735 |
| 2026-09-16 | Open-market sale | Common Stock | 8,896 | $108 | $961.1K | 62,839 |
| 2026-09-16 | Open-market sale | Common Stock | 4,000 | $109 | $436.0K | 58,839 |
Key Dates
| Date | Description |
|---|---|
| 2026-09-16 | Open-market sale (3,100 shares) |
| 2026-09-16 | Open-market sale (3,000 shares) |
| 2026-09-16 | Open-market sale (8,896 shares) |
| 2026-09-16 | Open-market sale (4,000 shares) |
Keywords
insider transaction, Form 4, HALO, HALOZYME THERAPEUTICS, INC., bearish, Matthew L. Posard
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