David A. Ramsay serves as Executive at HALOZYME THERAPEUTICS INC, where they oversee executive responsibilities. Since joining the company, David A. Ramsay has executed 190 insider transactions totaling $4.4M, demonstrating a bullish approach to their equity position. Their most recent transaction on Dec 19, 2025 involved selling 20,000 shares valued at $121.2K.
David A. Ramsay currently holds 2,533,642 shares of HALOZYME THERAPEUTICS INC (HALO), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, David A. Ramsay has been a net buyer of HALO stock. They have purchased $4.0M and sold $423.0K worth of shares.
David A. Ramsay's most recent insider trade was on Dec 19, 2025, when they sold 20,000 shares at $6.06 per share.
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| $N/A |
| Discretionary |
| Dec 14, 2023 | SVRA | $0 | Award | 22,500 | $N/A | Discretionary |
| May 26, 2023 | SVRA | $97.6K | Purchase | 37,124 | $2.63 | Discretionary |
| May 25, 2023 | SVRA | $33.1K | Purchase | 12,876 | $2.57 | Discretionary |
| May 24, 2023 | SVRA | $128.0K | Purchase | 50,000 | $2.56 | Discretionary |
| Dec 30, 2022 | SVRA | $45.0K | Purchase | 29,000 | $1.55 | Discretionary |
| Dec 29, 2022 | SVRA | $10.8K | Purchase | 7,000 | $1.54 | Discretionary |
| Dec 28, 2022 | SVRA | $4.9K | Purchase | 3,293 | $1.50 | Discretionary |
| Dec 23, 2022 | SVRA | $22.6K | Purchase | 15,707 | $1.44 | Discretionary |
| Dec 22, 2022 | SVRA | $61.3K | Purchase | 41,414 | $1.48 | Discretionary |
| Dec 20, 2022 | SVRA | $20.7K | Purchase | 13,830 | $1.50 | Discretionary |
| Dec 20, 2022 | SVRA | $5.3K | Purchase | 3,586 | $1.48 | Discretionary |
| Dec 19, 2022 | SVRA | $60.7K | Purchase | 40,719 | $1.49 | Discretionary |
| Dec 16, 2022 | SVRA | $512 | Purchase | 341 | $1.50 | Discretionary |
| Nov 23, 2022 | SVRA | $6.6K | Purchase | 4,610 | $1.44 | Discretionary |
| Nov 22, 2022 | SVRA | $22.0K | Purchase | 15,495 | $1.42 | Discretionary |
| Nov 21, 2022 | SVRA | $35.5K | Purchase | 25,005 | $1.42 | Discretionary |
| Nov 18, 2022 | SVRA | $21.6K | Purchase | 16,100 | $1.34 | Discretionary |
| Nov 17, 2022 | SVRA | $11.3K | Purchase | 8,900 | $1.27 | Discretionary |
| Sep 27, 2022 | SVRA | $101.2K | Purchase | 73,893 | $1.37 | Discretionary |
| Sep 26, 2022 | SVRA | $42.9K | Purchase | 31,107 | $1.38 | Discretionary |
| Sep 23, 2022 | SVRA | $42.6K | Purchase | 30,000 | $1.42 | Discretionary |
| Sep 20, 2022 | SVRA | $870 | Purchase | 600 | $1.45 | Discretionary |
| Sep 19, 2022 | SVRA | $2.0K | Purchase | 1,400 | $1.46 | Discretionary |
| Sep 16, 2022 | SVRA | $8.6K | Purchase | 6,000 | $1.44 | Discretionary |
| Sep 8, 2022 | SVRA | $40.6K | Purchase | 29,000 | $1.40 | Discretionary |
| Sep 7, 2022 | SVRA | $3.0K | Purchase | 2,130 | $1.39 | Discretionary |
| Sep 6, 2022 | SVRA | $1.2K | Purchase | 870 | $1.38 | Discretionary |
| Sep 1, 2022 | SVRA | $56.5K | Purchase | 39,768 | $1.42 | Discretionary |