Insider Trading History of Sandrock Alfred

The following table details the insider trading activities (stock purchases, stock sales, and stock option exercises) of Sandrock Alfred since 2013. This trader's CIK number is 1577061. At the time of last reporting, Sandrock Alfred was the President and CEO of Voyager Therapeutics, Inc.. (stock ticker symbol VYGR). Also see all insider trading activities at Voyager Therapeutics, Inc..

Note that in the past Sandrock Alfred also reported insider trading activities as an insider of the following companies:

Yearly summary of insider trading at Biogen Inc. (BIIB) by Sandrock Alfred

Insider Buying Insider Sales Option Exercises
Year Symbol Shares Value Shares Value Shares Value
2021 BIIB 0 $0 0 $0 4,454 $0
2020 BIIB 0 $0 1,500 $525,000 6,429 $0
2019 BIIB 0 $0 0 $0 5,961 $0
2018 BIIB 0 $0 3,204 $945,434 5,453 $0
2017 BIIB 0 $0 2,954 $825,190 4,785 $0
2016 BIIB 0 $0 852 $210,052 1,278 $0
2015 BIIB 0 $0 6,462 $2,564,465 4,706 $0
2014 BIIB 0 $0 6,744 $2,252,438 5,089 $0
2013 BIIB 0 $0 25,289 $6,242,454 24,850 $1,397,779

Yearly summary of insider trading at Voyager Therapeutics, Inc. (VYGR) by Sandrock Alfred

Insider Buying Insider Sales Option Exercises
Year Symbol Shares Value Shares Value Shares Value
2025 VYGR 0 $0 39,231 $161,016 0 $0
2024 VYGR 0 $0 25,148 $216,679 0 $0
2023 VYGR 0 $0 7,437 $58,231 0 $0


Insider trading activities at 2 companies by Sandrock Alfred:

1. Biogen Inc. (BIIB)

2. Voyager Therapeutics, Inc. (VYGR)

Table 1. Insider trading of Biogen Inc. (BIIB) by Sandrock Alfred

Trade Date Symbol Trade Type Shares Price ($) Value ($)
2021-02-12 BIIB Option Ex 4,454 .00 0
2020-11-04 BIIB Sale 1,500 350.00 525,000
2020-02-15 BIIB Option Ex 1,213 .00 0
2020-02-12 BIIB Option Ex 5,216 .00 0
2019-02-15 BIIB Option Ex 1,318 .00 0
2019-02-12 BIIB Option Ex 4,643 .00 0
2018-02-27 BIIB Sale 259 290.83 75,324
2018-02-23 BIIB Option Ex 467 .00 0
2018-02-23 BIIB Sale 908 293.44 266,443
2018-02-22 BIIB Option Ex 1,635 .00 0
2018-02-20 BIIB Sale 743 292.00 216,956
2018-02-15 BIIB Sale 1,294 298.85 386,711
2018-02-15 BIIB Option Ex 1,339 .00 0
2018-02-12 BIIB Option Ex 2,012 .00 0
2017-04-03 BIIB Sale 1,981 274.08 542,952
2017-03-01 BIIB Sale 973 290.07 282,238
2017-02-28 BIIB Option Ex 4,785 .00 0
2016-02-08 BIIB Option Ex 1,278 .00 0
2016-02-09 BIIB Sale 852 246.54 210,052
2015-12-04 BIIB Sale 441 277.00 122,157
2015-03-27 BIIB Sale 430 430.12 184,951
2015-03-02 BIIB Sale 3,174 409.06 1,298,350
2015-02-17 BIIB Sale 418 389.11 162,647
2015-02-12 BIIB Option Ex 1,605 .00 0
2015-02-10 BIIB Sale 1,143 398.63 455,630
2015-02-08 BIIB Option Ex 1,277 .00 0
2015-02-09 BIIB Option Ex 1,824 .00 0
2015-02-09 BIIB Sale 856 398.05 340,730
2014-12-04 BIIB Sale 440 345.88 152,187
2014-03-04 BIIB Sale 3,171 342.58 1,086,321
2014-02-26 BIIB Sale 1,048 342.17 358,594
2014-02-23 BIIB Option Ex 1,988 .00 0
2014-02-11 BIIB Sale 2,085 314.31 655,336
2014-02-09 BIIB Option Ex 1,824 .00 0
2014-02-08 BIIB Option Ex 1,277 .00 0
2013-12-04 BIIB Sale 439 285.90 125,510
2013-10-22 BIIB Option Ex 15,030 60.56 910,216
2013-10-22 BIIB Sale 15,030 250.11 3,759,123
2013-09-16 BIIB Option Ex 9,820 49.65 487,563
2013-09-16 BIIB Sale 9,820 240.10 2,357,821

Table 2. Insider trading of Voyager Therapeutics, Inc. (VYGR) by Sandrock Alfred

Trade Date Symbol Trade Type Shares Price ($) Value ($)
2025-04-02 VYGR Sale 10,885 3.43 37,335
2025-02-20 VYGR Sale 11,702 4.24 49,616
2025-02-11 VYGR Sale 16,644 4.45 74,065
2024-04-02 VYGR Sale 12,115 9.86 119,453
2024-02-21 VYGR Sale 13,033 7.46 97,226
2023-04-03 VYGR Sale 7,437 7.83 58,231

Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Sandrock Alfred (President and CEO of Voyager Therapeutics, Inc. at the time of this reporting) see the Securities and Exchange Commission (SEC) website.



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