InsidersTradesSigma
Total declarations
Companies
▲ Purchases (0 ops.)
▼ Sales (2 ops.)
Insider track record
OtherDisclosed buys
0
Disclosed sells
2
T+90 hit rate
0%
T+90 mean return
-4.5%
Across 3 buy signals with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Browse the detailed record of transactions filed by Guindo Chirfi. Director active across 2 companies, notably BIOGEN INC.. Aggregated, 9 reports have been published. Split: 0 buy · 2 sells. Total volume traded: €2.2m. Activity tracked since 7 June 2021. The latest transaction was disclosed on 27 January 2025 (Attribution). Regulator: SEC (Form 4). The full history is accessible without signup.
Declarations9 total
28,158 shares@ US$97.9426.1% of flowCommon StockSEC:0001127602-25-002334:0
36,901 shares@ US$115.2038.5% of flowCommon StockSEC:0001127602-24-021690:0
36,901 shares@ US$105.7035.3% of flowCommon StockSEC:0001127602-23-022015:0
1,981 shares0Common StockSEC:0001127602-22-006266:0
1,261 shares0Common StockSEC:0001127602-22-004989:0
3,088 shares0Common StockSEC:0001127602-22-001862
3,088 shares0Common StockSEC:0001127602-22-001862:0
3,087 shares@ US$440.000.0039% mcap50.0% of flowCommon StockSEC:0001127602-21-019552:0
3,087 shares@ US$440.0050.0% of flowCommon StockSEC:0001127602-21-019552
9 of 9 declarations
About Guindo Chirfi
Guindo Chirfi is a director at BIOGEN INC.
