Sandrock Alfred
Insider transactions at 2 companies
This page shows all SEC Form 4 filings attributed to Sandrock Alfred. Form 4 disclosures are required whenever a corporate insider — director, officer, or 10%+ shareholder — buys, sells, or receives company stock. Each row represents a separate reported transaction. All data is sourced directly from the SEC EDGAR public database.
| Company | Title | Type | Shares | Price | Value | Date |
|---|---|---|---|---|---|---|
| VYGR | President and CEO | Sale | 10,885 | $3.43 | $37,336 | Apr 2, 2025 |
| VYGR | President and CEO | Award / Grant | 145,000 | — | — | Feb 20, 2025 |
| VYGR | President & CEO | Sale | 16,644 | $4.45 | $74,066 | Feb 11, 2025 |
| VYGR | President and CEO | Sale | 12,115 | $9.86 | $119,454 | Apr 2, 2024 |
| VYGR | President and CEO | Sale | 13,033 | $7.46 | $97,226 | Feb 21, 2024 |
| VYGR | President and CEO | Award / Grant | 130,000 | — | — | Feb 9, 2024 |
| VYGR | President and CEO | Sale | 7,437 | $7.83 | $58,232 | Apr 3, 2023 |
| VYGR | President and CEO | Award / Grant | 120,000 | — | — | Feb 17, 2023 |
| VYGR | President and CEO | Award / Grant | 100,000 | — | — | Mar 22, 2022 |
| BIIB | Head of Research & Development | Sale | 7,672 | $440.00 | $3,375,680 | Jun 7, 2021 |
| BIIB | EVP, Research & Development | Tax Withholding | 577 | $278.03 | $160,423 | Feb 12, 2021 |
| BIIB | EVP, Research & Development | Award / Grant | 3,728 | — | — | Jan 27, 2021 |
| BIIB | EVP, Research & Development | Sale | 1,500 | $350.00 | $525,000 | Nov 4, 2020 |
| BIIB | EVP, Research & Development | Option Exercise | 1,213 | — | — | Feb 15, 2020 |
| BIIB | EVP, Research & Development | Option Exercise | 2,211 | — | — | Feb 12, 2020 |
| BIIB | EVP, Chief Medical Officer | Tax Withholding | 739 | $325.33 | $240,419 | Feb 22, 2019 |
| BIIB | EVP, Chief Medical Officer | Option Exercise | 1,318 | — | — | Feb 15, 2019 |
| BIIB | EVP, Chief Medical Officer | Tax Withholding | 873 | $319.43 | $278,862 | Feb 12, 2019 |
| BIIB | EVP, Chief Medical Officer | Sale | 259 | $290.83 | $75,325 | Feb 27, 2018 |
| BIIB | EVP, Chief Medical Officer | Tax Withholding | 208 | $292.78 | $60,898 | Feb 23, 2018 |
| BIIB | EVP, Chief Medical Officer | Tax Withholding | 727 | $284.81 | $207,057 | Feb 22, 2018 |
| BIIB | EVP, Chief Medical Officer | Sale | 743 | $292.00 | $216,956 | Feb 20, 2018 |
| BIIB | EVP, Chief Medical Officer | Tax Withholding | 596 | $299.38 | $178,430 | Feb 15, 2018 |
| BIIB | EVP, Chief Medical Officer | Sale | 1,294 | $298.85 | $386,712 | Feb 15, 2018 |
| BIIB | EVP, Chief Medical Officer | Tax Withholding | 598 | $316.63 | $189,345 | Feb 12, 2018 |
| BIIB | EVP CMO Neuro & Neurodegenerat | Sale | 1,981 | $274.08 | $542,952 | Apr 3, 2017 |
| BIIB | EVP CMO Neuro & Neurodegenerat | Sale | 973 | $290.07 | $282,238 | Mar 1, 2017 |
| BIIB | EVP CMO Neuro & Neurodegenerat | Option Exercise | 1,375 | — | — | Feb 28, 2017 |
| BIIB | EVP CMO Neuro & Neurodegenerat | Sale | 183 | $261.90 | $47,928 | Feb 25, 2016 |
| BIIB | EVP CMO Neuro & Neurodegenerat | Option Exercise | 347 | — | — | Feb 23, 2016 |
| BIIB | EVP CMO Neuro & Neurodegenerat | Sale | 722 | $256.16 | $184,948 | Feb 17, 2016 |
| BIIB | EVP CMO Neuro & Neurodegenerat | Option Exercise | 792 | — | — | Feb 12, 2016 |
| BIIB | EVP CMO Neuro & Neurodegenerat | Tax Withholding | 426 | $250.77 | $106,828 | Feb 8, 2016 |
| BIIB | EVP CMO Neuro & Neurodegenerat | Tax Withholding | 393 | $275.44 | $108,248 | Dec 4, 2015 |
| BIIB | Grp SVP, Chief Medical Officer | Sale | 430 | $430.12 | $184,952 | Mar 27, 2015 |
| BIIB | Grp SVP, Chief Medical Officer | Sale | 600 | $408.98 | $245,388 | Mar 2, 2015 |
| BIIB | Grp SVP, Chief Medical Officer | Sale | 418 | $389.11 | $162,648 | Feb 17, 2015 |
| BIIB | Grp SVP, Chief Medical Officer | Option Exercise | 813 | — | — | Feb 12, 2015 |
| BIIB | Grp SVP, Chief Medical Officer | Sale | 643 | $398.10 | $255,978 | Feb 10, 2015 |
| BIIB | Grp SVP, Chief Medical Officer | Tax Withholding | 421 | $402.00 | $169,242 | Feb 8, 2015 |
| BIIB | Grp SVP, Chief Medical Officer | Sale | 440 | $345.88 | $152,187 | Dec 3, 2014 |
| BIIB | Grp SVP, Chief Medical Officer | Sale | 3,171 | $342.58 | $1,086,321 | Mar 4, 2014 |
| BIIB | Grp SVP, Chief Medical Officer | Tax Withholding | 2,829 | $340.68 | $963,784 | Mar 3, 2014 |
| BIIB | Grp SVP, Chief Medical Officer | Sale | 1,048 | $342.17 | $358,594 | Feb 26, 2014 |
| BIIB | Grp SVP, Chief Medical Officer | Tax Withholding | 940 | $347.11 | $326,283 | Feb 23, 2014 |
| BIIB | Grp SVP, Chief Medical Officer | Award / Grant | 7,740 | — | — | Feb 12, 2014 |
| BIIB | Grp SVP, Chief Medical Officer | Sale | 855 | $314.31 | $268,735 | Feb 11, 2014 |
| BIIB | Grp SVP, Chief Medical Officer | Tax Withholding | 422 | $315.54 | $133,158 | Feb 9, 2014 |
| BIIB | Grp SVP, Chief Medical Officer | Sale | 439 | $285.90 | $125,510 | Dec 3, 2013 |
| BIIB | Grp SVP, Chief Medical Officer | Option Exercise | 15,030 | $60.56 | $910,217 | Oct 22, 2013 |