14 insiders reported 247 Form 4 transactions for HALOZYME THERAPEUTICS, INC. (HALO) over the past 18 months (most recent 2026-07-02). Recent activity: RAMSAY DAVID A (EVP, PRESIDENT, DRUG DELIVERY) Buy 10,000 shares, Connaughton Bernadette (Director) Sell 1,000 shares, RAMSAY DAVID A (EVP, PRESIDENT, DRUG DELIVERY) Sell 5,408 shares, Connaughton Bernadette (Director) Sell 625 shares, Krishnan Mahesh (Director) Buy 7,304 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-07-02 | RAMSAY DAVID A | EVP, PRESIDENT, DRUG DELIVERY | Buy | 10,000 | $0 |
| 2026-07-02 | Connaughton Bernadette | Director | Sell | 1,000 | $76,395 |
| 2026-07-02 | RAMSAY DAVID A | EVP, PRESIDENT, DRUG DELIVERY | Sell | 5,408 | $423,284 |
| 2026-07-02 | Connaughton Bernadette | Director | Sell | 625 | $48,256 |
| 2026-06-30 | Krishnan Mahesh | Director | Buy | 7,304 | $280,912 |
| 2026-06-30 | Krishnan Mahesh | Director | Sell | 7,304 | $547,800 |
| 2026-06-03 | Torley Helen | PRESIDENT AND CEO | Sell | 1,610 | $106,885 |
| 2026-06-03 | Torley Helen | PRESIDENT AND CEO | Sell | 12,989 | $875,588 |
| 2026-06-03 | Torley Helen | PRESIDENT AND CEO | Sell | 5,401 | $369,137 |
| 2026-06-03 | Torley Helen | PRESIDENT AND CEO | Buy | 20,000 | $241,400 |
| 2026-06-03 | Torley Helen | PRESIDENT AND CEO | Sell | 16,600 | $1.1M |
| 2026-06-03 | Torley Helen | PRESIDENT AND CEO | Buy | 20,000 | $241,400 |
| 2026-06-03 | Torley Helen | PRESIDENT AND CEO | Buy | 10,000 | $120,700 |
| 2026-06-03 | Torley Helen | PRESIDENT AND CEO | Sell | 400 | $26,547 |
| 2026-06-03 | Torley Helen | PRESIDENT AND CEO | Sell | 1,500 | $101,512 |
| 2026-06-03 | Torley Helen | PRESIDENT AND CEO | Sell | 2,000 | $137,472 |
| 2026-06-03 | Torley Helen | PRESIDENT AND CEO | Sell | 6,100 | $425,121 |
| 2026-06-03 | Torley Helen | PRESIDENT AND CEO | Sell | 3,400 | $226,933 |
| 2026-06-02 | Connaughton Bernadette | Director | Sell | 1,625 | $107,591 |
| 2026-05-13 | Torley Helen | PRESIDENT AND CEO | Sell | 100 | $6,785 |
| 2026-05-13 | Torley Helen | PRESIDENT AND CEO | Sell | 9,725 | $628,536 |
| 2026-05-13 | Torley Helen | PRESIDENT AND CEO | Sell | 3,575 | $234,012 |
| 2026-05-13 | Torley Helen | PRESIDENT AND CEO | Sell | 6,700 | $444,391 |
| 2026-05-13 | Torley Helen | PRESIDENT AND CEO | Buy | 20,000 | $241,400 |
| 2026-05-13 | Torley Helen | PRESIDENT AND CEO | Buy | 20,000 | $241,400 |
Source: SEC Form 4 filings · as of 2026-07-02