Chirfi Guindo

Track

Insider profile

Currently holds a position at Biogen Inc

Performance

Overall performance
2.9
Performance over holding periods
2.9
30 days 90 days 120 days
Average return 3% 8.2% 15.1%
Success rate 100% 68% 82%
Transactions
3 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
Notification date Transaction date Company B/S Transaction type Nb. shares
Price
Value 		Number of shares Price Value Details
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
97,344
123.90
US$3,548,030 		97,344 123.90 US$3,548,030
2026-02-12 2026-02-12
S Sale
23,215 +19.0%
447.53
US$286,324 		23,215 +19.0% 447.53 US$286,324
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