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Firestone Karen

Track

Insider profile

Performance

Overall performance
3.8
Performance over holding periods
3.8
30 days 90 days 120 days
Average return 26% 8.2% 15.1%
Success rate 89% 68% 82%
Transactions
4 100% Buy
34 71% Buy
47 69% Buy
Ranking by holding-period performance
Firestone Karen's trades of Amylyx Pharmaceuticals Inc's stock


Subscribe to get access to the transaction volume chart and in-chart transaction details
• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity 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
2026-05-26 2026-05-21
B Purchase
62,869 -30.6%
388.00
US$4,073,472 		62,869 -30.6% 388.00 US$4,073,472
2025-12-23 2025-12-23
B Purchase
23,034 -43.6%
476.20
US$319,911 		23,034 -43.6% 476.20 US$319,911
2024-09-09 2024-09-05
B Purchase
92,710 -12.9%
210.93
US$1,166,905 		92,710 -12.9% 210.93 US$1,166,905
2023-12-19 2023-12-15
B Purchase
4,000 +400.0%
14.97
US$59,880 		4,000 +400.0% 14.97 US$59,880
2023-03-20 2023-03-16
B Purchase
1,000 +inf%
31.99
US$31,990 		1,000 +inf% 31.99 US$31,990