| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
Chief Operating Officer | SVP, Global Operations &It
1 company
Bylund James is a Chief Operating Officer at REPLIGEN CORP. Recent SEC Form 4 filings include 0 buys and 4 sells.
Estimated insider holdings value: $3.2M based on current market prices.
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Nov 18, 2025 | RGEN Repligen Corp | Chief Operating Officer | Sell | 2,191 | $151.21 | $331,301.11 | -9.2% | -11.5% | - | |
| Feb 23, 2024 | RGEN Repligen Corp | Chief Operating Officer | Sale+OE | 4,373 | $198.08 | $866,203.84 | -23.6% | -19.2% | -19.1% | |
| Aug 3, 2022 | RGEN Repligen Corp | Chief Operating Officer | Sale+OE | 2,000 | $240.40 | $480,800.00 | -17.0% | -22.8% | -29.7% | |
| Apr 6, 2021 | RGEN Repligen Corp | SVP, Global Operations &It | Sell | 360 | $204.25 | $73,530.00 | -5.4% | -0.4% | -13.2% |