Sandrock Alfred (CIK 0001577061)

Latest company ownership

Shares held
430,931
Last filed at
Apr 4, 2025
Confidence Score
50.2
2025Q4
Confidence Score History
2023Q2 2025Q4
BIIB - BIOGEN INC.
Role: Head of Research & Development
Shares held
10,169.11
Last filed at
Jun 9, 2021
Confidence Score
50.0
2025Q4
Confidence Score History
2014Q1 2025Q4

Recent buy/sell transactions

Exec date Filing date Company Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Apr 2, 2025 Apr 4, 2025 Voyager Therapeutics, Inc. CEO Sell 46.3 -10,885 -2.46% ✗ $37.3K
Feb 20, 2025 Feb 24, 2025 Voyager Therapeutics, Inc. CEO Sell 91.3 +133,298 43.21% ✗ $49.6K
Feb 11, 2025 Feb 12, 2025 Voyager Therapeutics, Inc. CEO Sell 42.5 -16,644 -5.12% ✗ $74.1K
Apr 2, 2024 Apr 3, 2024 Voyager Therapeutics, Inc. CEO Sell 42.5 -12,115 -3.62% ✗ $119.5K
Feb 21, 2024 Feb 22, 2024 Voyager Therapeutics, Inc. CEO Sell 42.5 -13,033 -3.75% ✗ $97.2K
Apr 3, 2023 Apr 5, 2023 Voyager Therapeutics, Inc. CEO Sell 42.5 -7,437 -3.35% ✗ $58.2K
Jun 7, 2021 Jun 9, 2021 BIOGEN INC. Head of Research & Development Sell 5.0 -7,672 -43.00% ✓ $3.4M
Feb 12, 2021 Feb 17, 2021 BIOGEN INC. EVP, Research & Development Sell 40.0 -3,510 -4.73% ✗ $975.9K
Nov 4, 2020 Nov 6, 2020 BIOGEN INC. EVP, Research & Development Sell 22.5 -1,500 -10.30% ✓ $525K
Feb 15, 2020 Feb 19, 2020 BIOGEN INC. EVP, Research & Development Sell 22.5 -538 -3.58% ✗ $179.2K
Feb 12, 2020 Feb 14, 2020 BIOGEN INC. EVP, Research & Development Sell 20.0 -1,901 -4.67% ✗ $630.7K
Feb 22, 2019 Feb 26, 2019 BIOGEN INC. EVP, Chief Medical Officer Sell 22.5 -739 -6.63% ✗ $240.4K
Feb 15, 2019 Feb 20, 2019 BIOGEN INC. EVP, Chief Medical Officer Sell 22.5 -586 -5.82% ✗ $195.1K
Feb 12, 2019 Feb 14, 2019 BIOGEN INC. EVP, Chief Medical Officer Sell 20.0 -2,518 -7.56% ✗ $804.3K
Feb 27, 2018 Feb 28, 2018 BIOGEN INC. EVP, Chief Medical Officer Sell 37.5 -259 -3.80% ✓ $75.3K
Feb 23, 2018 Feb 27, 2018 BIOGEN INC. EVP, Chief Medical Officer Sell 26.3 -1,116 -7.71% ✓ $327.3K
Feb 22, 2018 Feb 26, 2018 BIOGEN INC. EVP, Chief Medical Officer Sell 22.5 -727 -8.88% ✗ $207.1K
Feb 20, 2018 Feb 21, 2018 BIOGEN INC. EVP, Chief Medical Officer Sell 25.0 -743 -10.18% ✓ $217K
Feb 15, 2018 Feb 20, 2018 BIOGEN INC. EVP, Chief Medical Officer Sell 17.5 -1,294 -15.06% ✓ $386.7K
Feb 15, 2018 Feb 20, 2018 BIOGEN INC. EVP, Chief Medical Officer Sell 22.5 -596 -6.49% ✗ $178.4K
Feb 12, 2018 Feb 14, 2018 BIOGEN INC. EVP, Chief Medical Officer Sell 20.0 -1,316 -8.37% ✗ $416.7K
Apr 3, 2017 Apr 4, 2017 BIOGEN INC. EVP CMO Neuro & Neurodegenerat Sell 12.5 -1,981 -21.91% ✓ $543K
Mar 1, 2017 Mar 3, 2017 BIOGEN INC. EVP CMO Neuro & Neurodegenerat Sell 26.3 -973 -9.72% ✓ $282.2K
Feb 28, 2017 Mar 2, 2017 BIOGEN INC. EVP CMO Neuro & Neurodegenerat Sell 20.0 -2,981 -5.11% ✗ $829.2K
Feb 25, 2016 Feb 26, 2016 BIOGEN INC. EVP CMO Neuro & Neurodegenerat Sell 45.0 -183 -2.24% ✓ $47.9K
Feb 23, 2016 Feb 25, 2016 BIOGEN INC. EVP CMO Neuro & Neurodegenerat Sell 26.3 -164 -1.97% ✗ $42.5K
Feb 17, 2016 Feb 19, 2016 BIOGEN INC. EVP CMO Neuro & Neurodegenerat Sell 28.8 -722 -8.29% ✓ $184.9K
Feb 12, 2016 Feb 17, 2016 BIOGEN INC. EVP CMO Neuro & Neurodegenerat Sell 20.0 -1,827 -5.38% ✗ $451.7K
Feb 8, 2016 Feb 10, 2016 BIOGEN INC. EVP CMO Neuro & Neurodegenerat Sell 22.5 -1,278 -14.17% ✓ $316.9K
Dec 3, 2015 Dec 7, 2015 BIOGEN INC. EVP CMO Neuro & Neurodegenerat Sell 28.8 -834 -9.73% ✓ $230.4K
Mar 27, 2015 Mar 30, 2015 BIOGEN INC. Grp SVP, Chief Medical Officer Sell 37.5 -430 -4.78% ✓ $185K
Mar 1, 2015 Mar 3, 2015 BIOGEN INC. Grp SVP, Chief Medical Officer Sell 5.0 -6,000 -39.99% ✓ $2.5M
Feb 17, 2015 Feb 18, 2015 BIOGEN INC. Grp SVP, Chief Medical Officer Sell 41.3 -418 -2.71% ✓ $162.6K
Feb 12, 2015 Feb 17, 2015 BIOGEN INC. Grp SVP, Chief Medical Officer Sell 20.0 -757 -2.43% ✗ $296.8K
Feb 10, 2015 Feb 11, 2015 BIOGEN INC. Grp SVP, Chief Medical Officer Sell 30.0 -1,143 -7.27% ✓ $455K
Feb 8, 2015 Feb 10, 2015 BIOGEN INC. Grp SVP, Chief Medical Officer Sell 35.0 -1,958 -4.11% ✓ $780.2K
Dec 3, 2014 Dec 5, 2014 BIOGEN INC. Grp SVP, Chief Medical Officer Sell 30.0 -833 -5.41% ✓ $288.7K
Mar 4, 2014 Mar 5, 2014 BIOGEN INC. Grp SVP, Chief Medical Officer Sell 15.0 -3,171 -17.07% ✓ $1.1M
Mar 3, 2014 Mar 4, 2014 BIOGEN INC. Grp SVP, Chief Medical Officer Sell 20.0 -2,829 -13.22% ✗ $963.8K
Feb 26, 2014 Feb 27, 2014 BIOGEN INC. Grp SVP, Chief Medical Officer Sell 35.0 -1,048 -4.67% ✓ $358.6K
Feb 23, 2014 Feb 25, 2014 BIOGEN INC. Grp SVP, Chief Medical Officer Sell 20.0 -940 -4.02% ✗ $326.3K
Feb 12, 2014 Feb 14, 2014 BIOGEN INC. Grp SVP, Chief Medical Officer Sell 97.5 +6,948 48.05% ✓ $253K
Feb 11, 2014 Feb 12, 2014 BIOGEN INC. Grp SVP, Chief Medical Officer Sell 22.5 -2,085 -13.24% ✓ $655.3K
Feb 8, 2014 Feb 11, 2014 BIOGEN INC. Grp SVP, Chief Medical Officer Sell 20.0 -1,016 -3.25% ✗ $320.6K