Alfred Sandrock

Insider Reports History

Identity Names, identifiers, and filing context for this profile. 1 identity field
Reporting-owner location
Cambridge, MA
SEC source record Original filing metadata and source links for verification. 1 source field
Latest reporting-owner signature
/s/ Gregory L. Shiferman, as Attorney-in-Fact for Alfred Sandrock
Source: Latest parsed Forms 3/4/5 signature
Source evidence Original filing metadata and source links for verification. 1 source field
Transaction source note
Rows are grouped by transaction date from the original SEC filing. Open the aggregated insider activity page to review issuer-level activity across dates.

Reported holdings for Alfred Sandrock

Form 4 holding Head of Research & Development

BIOGEN INC.

Security class
Common Stock
Shares / value
10,169
Estimated value
$2,521,940
Report date
07 Jun 2021
Price
$248.00
Ownership
Direct
Form 4 holding President and CEO, Director

Voyager Therapeutics, Inc.

Security class
Stock Option (Right to Buy)
Shares / value
402,500
Estimated value
Report date
06 Feb 2026
Price
Ownership
Direct
Underlying class
Common Stock
Underlying amount

Insider Reports Filed by Alfred Sandrock

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