InsidersTradesSigma
Total declarations
Companies
▲ Purchases (0 ops.)
▼ Sales (12 ops.)
Insider track record
OtherDisclosed buys
0
Disclosed sells
12
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Signal history
Discover the complete record of transactions filed by Sandrock Alfred, Responsable de la Recherche et Développement. Director active across 2 companies, notably BIOGEN INC.. Cumulatively, 18 reports have been published. Split: 0 buy · 12 sells. Total volume traded: €3.3m. Activity tracked since 7 June 2021. The latest transaction was disclosed on 2 April 2026 (Cession). Regulator: SEC (Form 4). The full history is free.
Companies and markets linked to Sandrock Alfred
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations18 total
11,511 shares@ US$3.878.6% of flowCommon StockSEC:0001104659-26-039691:0
14,197 shares@ US$3.798.1% of flowCommon StockSEC:0001104659-26-020181:0
11,732 shares@ US$3.416.0% of flowCommon StockSEC:0001104659-26-018126:0
12,192 shares@ US$3.786.9% of flowCommon StockSEC:0001104659-26-013414:0
86,250 shares0Common StockSEC:0001104659-26-012672:0
10,885 shares@ US$3.438.4% of flowCommon StockSEC:0001104659-25-032202:0
11,702 shares@ US$4.2411.7% of flowCommon StockSEC:0001104659-25-016520:0
16,644 shares@ US$4.4517.6% of flowCommon StockSEC:0001104659-25-012196:0
12,115 shares@ US$9.8627.2% of flowCommon StockSEC:0001104659-24-043104:0
13,033 shares@ US$7.4622.0% of flowCommon StockSEC:0001104659-24-026561:0
130,000 shares0Common StockSEC:0001104659-24-024982:0
7,437 shares@ US$7.8313.1% of flowCommon StockSEC:0001104659-23-042230:0
120,000 shares0Common StockSEC:0001104659-23-024418:0
100,000 shares0Common StockSEC:0001104659-22-037149:0
7,672 shares@ US$440.00100.0% of flowCommon StockSEC:0001127602-21-019553:0
1,278 sharesCommon StockSEC:0001127602-16-040394:0
426 sharesCommon StockSEC:0001127602-16-040394:1
852 sharesCommon StockSEC:0001127602-16-040394:2
18 of 18 declarations
About Sandrock Alfred
Sandrock Alfred is Head of Research & Development. He has filed 18 forms in total, and across the 18 sampled filings between 2016-02-10 and 2026-04-03, the recorded transactions are sales for a total of EUR 3333026. The companies mentioned in these filings are Voyager Therapeutics, Inc. and BIOGEN INC., including a sale of EUR 2768395.261659232 at BIOGEN INC. on 2021-06-09.
