Laurie Stelzer serves as Executive at HALOZYME THERAPEUTICS INC, where they oversee executive responsibilities. Since joining the company, Laurie Stelzer has executed 39 insider transactions totaling $517.0K, demonstrating a bullish approach to their equity position. Their most recent transaction on Jan 20, 2026 involved receiving (via award) 32,000 shares valued at $0.
Laurie Stelzer currently holds 32,000 shares of HALOZYME THERAPEUTICS INC (HALO), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Laurie Stelzer has been a net buyer of HALO stock. They have purchased $344.8K and sold $172.2K worth of shares.
Laurie Stelzer's most recent insider trade was on Jan 20, 2026, when they sold 32,000 shares at $0.00 per share.
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| $37.00 |
| Discretionary |
| Jun 2, 2023 | MRTX | $172.2K | Sale | 4,647 | $37.06 | Discretionary |
| Jan 20, 2023 | MRTX | $0 | Award | 26,864 | $N/A | Discretionary |
| Jun 1, 2022 | MRTX | $0 | Award | 57,798 | $N/A | Discretionary |
| Mar 11, 2022 | ARNA | $0 | Other | 6,660 | $N/A | Discretionary |
| Mar 11, 2022 | ARNA | $0 | Other | 21,462 | $N/A | Discretionary |
| Mar 11, 2022 | ARNA | $0 | Other | 9,086 | $N/A | Discretionary |
| Jan 3, 2022 | ARNA | $0 | Award | 21,462 | $N/A | Discretionary |
| Mar 16, 2021 | ARNA | $331.5K | Payment | 4,356 | $76.10 | Discretionary |
| Mar 16, 2021 | ARNA | $0 | Option Exercise | 12,600 | $N/A | Discretionary |
| Mar 1, 2021 | ARNA | $0 | Award | 6,660 | $N/A | Discretionary |
| Feb 22, 2020 | HALO | $0 | Option Exercise | 11,392 | $N/A | Discretionary |
| Feb 22, 2020 | HALO | $98.4K | Payment | 4,508 | $21.83 | Discretionary |
| Feb 14, 2020 | HALO | $57.0K | Payment | 2,700 | $21.10 | Discretionary |
| Feb 14, 2020 | HALO | $0 | Option Exercise | 7,809 | $N/A | Discretionary |
| Feb 12, 2020 | HALO | $0 | Option Exercise | 11,262 | $N/A | Discretionary |
| Feb 12, 2020 | HALO | $77.9K | Payment | 3,894 | $20.00 | Discretionary |
| Feb 3, 2020 | HALO | $159.0K | Payment | 8,275 | $19.21 | Discretionary |
| Feb 3, 2020 | HALO | $0 | Option Exercise | 23,119 | $N/A | Discretionary |
| Jun 15, 2019 | HALO | $53.6K | Payment | 3,408 | $15.73 | Discretionary |
| Jun 15, 2019 | HALO | $0 | Option Exercise | 6,875 | $N/A | Discretionary |
| Feb 22, 2019 | HALO | $0 | Option Exercise | 11,392 | $N/A | Discretionary |
| Feb 22, 2019 | HALO | $66.2K | Payment | 3,939 | $16.81 | Discretionary |
| Feb 14, 2019 | HALO | $44.7K | Payment | 2,700 | $16.54 | Discretionary |
| Feb 14, 2019 | HALO | $0 | Option Exercise | 7,809 | $N/A | Discretionary |
| Feb 3, 2019 | HALO | $0 | Option Exercise | 23,119 | $N/A | Discretionary |
| Feb 3, 2019 | HALO | $134.1K | Payment | 8,317 | $16.12 | Discretionary |
| Jun 15, 2018 | HALO | $61.9K | Payment | 3,254 | $19.02 | Discretionary |
| Jun 15, 2018 | HALO | $0 | Option Exercise | 6,875 | $N/A | Discretionary |