Chirfi Guindo

Track

Insider profile

Currently holds a position at Biogen Inc

Performance

Overall performance
2.7
Performance over holding periods
2.7
30 days 90 days 120 days
Average return -2% 8.2% 15.1%
Success rate 59% 68% 82%
Transactions
5 0% Buy
34 71% Buy
47 69% Buy
Ranking by holding-period performance

Positions

Position Company Period
Executive Vice President, Head of Global Marketing, Market Access and Customer Innovation Biogen Inc Nov. 7, 2017 -
Chirfi Guindo's trades of Merck & Co Inc's stock


• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Transaction date
Sale
Price
308.27
Quantity 69,691 -21.8%
Value US$996,988
Transaction date
Proposed sale
Price
365.52
Quantity 16,245
Value US$3,778,521
Transaction date
Sale
Price
83.98
Quantity 70,040 -22.3%
Value US$1,569,519
Transaction date
Proposed sale
Price
131.00
Quantity 15,000
Value US$1,965,000
Transaction date
Sale
Price
121.46
Quantity 10,000 -14.2%
Value US$1,214,562
Transaction date
Proposed sale
Price
118.41
Quantity 20,000
Value US$2,368,202
Transaction date
Proposed sale
Price
118.41
Quantity 20,000
Value US$2,368,202
Transaction date
Sale
Price
118.41
Quantity 10,000 -12.4%
Value US$1,184,101
Transaction date
Sale
Price
121.88
Quantity 20,000 -19.9%
Value US$2,437,676
Transaction date
Proposed sale
Price
121.88
Quantity 20,000
Value US$2,437,676
Notification date Transaction date Company B/S Transaction type Nb. shares
Price
Value 		Number of shares Price Value Details
2026-08-13 2026-08-13
S Sale
69,691 -21.8%
308.27
US$996,988 		69,691 -21.8% 308.27 US$996,988
2026-08-13 2026-08-13
PrS Proposed sale
16,245
365.52
US$3,778,521 		16,245 365.52 US$3,778,521
2026-08-07 2026-08-06
S Sale
70,040 -22.3%
83.98
US$1,569,519 		70,040 -22.3% 83.98 US$1,569,519
2026-08-06 2026-08-06
PrS Proposed sale
15,000
131.00
US$1,965,000 		15,000 131.00 US$1,965,000
2026-02-12 2026-02-12
S Sale
10,000 -14.2%
121.46
US$1,214,562 		10,000 -14.2% 121.46 US$1,214,562
2026-02-13 2026-02-09
PrS Proposed sale
20,000
118.41
US$2,368,202 		20,000 118.41 US$2,368,202
2026-02-09 2026-02-09
PrS Proposed sale
20,000
118.41
US$2,368,202 		20,000 118.41 US$2,368,202
2026-02-09 2026-02-09
S Sale
10,000 -12.4%
118.41
US$1,184,101 		10,000 -12.4% 118.41 US$1,184,101
2026-02-06 2026-02-05
S Sale
20,000 -19.9%
121.88
US$2,437,676 		20,000 -19.9% 121.88 US$2,437,676
2026-02-05 2026-02-05
PrS Proposed sale
20,000
121.88
US$2,437,676 		20,000 121.88 US$2,437,676