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Bylund James

Track

Insider profile

Performance

Overall performance
3.8
Performance over holding periods
3.8
30 days 90 days 120 days
Average return 6% 8.2% 15.1%
Success rate 80% 68% 82%
Transactions
3 0% Buy
34 71% Buy
47 69% Buy
Ranking by holding-period performance
Bylund James's trades of Repligen Corp's stock


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• 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
2025-11-19 2025-11-18
US Repligen Corp (RGEN)
S Sale
7,135 +27.5%
139.56
US$1,453,074 		7,135 +27.5% 139.56 US$1,453,074
2025-11-18 2025-11-18
US Repligen Corp (RGEN)
PrS Proposed sale
14,688
478.82
US$134,401 		14,688 478.82 US$134,401
2024-02-26 2024-02-23
US Repligen Corp (RGEN)
S Sale
65,020 -46.0%
100.60
US$4,953,622 		65,020 -46.0% 100.60 US$4,953,622
2024-02-23 2024-02-23
US Repligen Corp (RGEN)
PrS Proposed sale
4,373
198.00
US$865,854 		4,373 198.00 US$865,854
2022-08-04 2022-08-03
US Repligen Corp (RGEN)
S Sale
2,000 -17.0%
240.40
US$480,800 		2,000 -17.0% 240.40 US$480,800