Robert Nelsen serves as Executive at Trubion Pharmaceuticals, Inc, where they oversee executive responsibilities. Since joining the company, Robert Nelsen has executed 268 insider transactions totaling $148.4M, demonstrating a bullish approach to their equity position. Their most recent transaction on Aug 1, 2025 involved purchasing 3,030,300 shares valued at $10.0M.
Robert Nelsen currently holds 6,230,300 shares of Trubion Pharmaceuticals, Inc (TRBN), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Robert Nelsen has been a net buyer of TRBN stock. They have purchased $127.6M and sold $20.7M worth of shares.
Robert Nelsen's most recent insider trade was on Aug 1, 2025, when they purchased 3,030,300 shares at $3.30 per share.
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| $N/A |
| Discretionary |
| May 30, 2024 | VIR | $0 | Award | 8,000 | $N/A | Discretionary |
| Feb 15, 2024 | PRME | $20.0M | Purchase | 3,200,000 | $6.25 | Discretionary |
| Feb 8, 2024 | SANA | $2.0M | Purchase | 363,637 | $5.50 | Discretionary |
| Feb 8, 2024 | SANA | $4.0M | Purchase | 727,272 | $5.50 | Discretionary |
| Feb 8, 2024 | SANA | $4.0M | Purchase | 727,272 | $5.50 | Discretionary |
| Sep 29, 2023 | NMRA | $483.1K | Purchase | 34,560 | $13.98 | Discretionary |
| Sep 28, 2023 | NMRA | $343.8K | Purchase | 25,110 | $13.69 | Discretionary |
| Sep 28, 2023 | NMRA | $219.9K | Purchase | 16,841 | $13.06 | Discretionary |
| Sep 27, 2023 | NMRA | $301.6K | Purchase | 24,504 | $12.31 | Discretionary |
| Sep 26, 2023 | NMRA | $398.8K | Purchase | 34,000 | $11.73 | Discretionary |
| Sep 25, 2023 | NMRA | $349.1K | Purchase | 29,967 | $11.65 | Discretionary |
| Sep 25, 2023 | NMRA | $332.3K | Purchase | 30,773 | $10.80 | Discretionary |
| Sep 22, 2023 | NMRA | $445.6K | Purchase | 40,000 | $11.14 | Discretionary |
| Sep 19, 2023 | NMRA | $25.5M | Purchase | 1,500,000 | $17.00 | Discretionary |
| Sep 19, 2023 | NMRA | $0 | Conversion | 684,167 | $N/A | Discretionary |
| Sep 19, 2023 | NMRA | $0 | Conversion | 1,144,973 | $N/A | Discretionary |
| Sep 19, 2023 | NMRA | $0 | Conversion | 6,895,021 | $N/A | Discretionary |
| Sep 19, 2023 | NMRA | $0 | Conversion | 2,124,143 | $N/A | Discretionary |
| Sep 19, 2023 | NMRA | $0 | Conversion | 6,576,400 | $N/A | Discretionary |
| Jul 28, 2023 | DALS | $0 | Other | 1,600,000 | $N/A | Discretionary |
| May 22, 2023 | VIR | $0 | Award | 6,027 | $N/A | Discretionary |
| Jan 5, 2023 | SANA | $0 | Award | 536 | $N/A | Discretionary |
| Oct 24, 2022 | PRME | $0 | Conversion | 16,080 | $N/A | Discretionary |
| Oct 24, 2022 | PRME | $6.8M | Purchase | 400,000 | $17.00 | Discretionary |
| Oct 24, 2022 | PRME | $6.8M | Purchase | 400,000 | $17.00 | Discretionary |
| Oct 24, 2022 | PRME | $0 | Conversion | 5,728,297 | $N/A | Discretionary |
| Oct 24, 2022 | PRME | $0 | Conversion | 5,728,297 | $N/A | Discretionary |
| Oct 5, 2022 | SANA | $0 | Award | 321 | $N/A | Discretionary |