Insider · CIK 0001849642
James Bylund
cooofficer
Files at RGEN (REPLIGEN CORP). First filing Nov 19, 2025, latest Nov 19, 2025.
Track record
Not enough history
Fewer than three past buys with six months of prices.
Median 6-month excess
-
after past buys, n = 0
Hit rate
-
past buys that beat the index over 6 months
Open-market trades
0 / 1
$0 bought, $331k sold
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
RGEN: REPLIGEN CORP
RGENOct 9, 2026 · close 173.88
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 50Moderate | REPLIGEN CORP | $331k 2,191 shares | -9% | +41% from low-12% from high |
Transactions
Every row this insider has filed, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Nov 18, 2025 | RGEN REPLIGEN CORP | SOpen-market sale Common Stock | -2,191 | $151.21 | $331k | 21,520 | Nov 19, 2025 |
| Apr 1, 2025 | RGEN REPLIGEN CORP | FTax withholding Common Stock | -454 | $128.50 | $58k | 23,711 | Apr 2, 2025 |
| Mar 13, 2025 | RGEN REPLIGEN CORP | AGrant or award Common Stock | +381 | $0.00 | $0 | 24,340 | Mar 20, 2025 |
| Mar 13, 2025 | RGEN REPLIGEN CORP | FTax withholding Common Stock | -175 | $142.44 | $25k | 24,165 | Mar 20, 2025 |
| Mar 3, 2025 | RGEN REPLIGEN CORP | AGrant or award Common Stock | +6,435 | $0.00 | $0 | 25,198 | Mar 4, 2025 |
| Mar 3, 2025 | RGEN REPLIGEN CORP | FTax withholding Common Stock | -1,239 | $155.38 | $193k | 23,959 | Mar 4, 2025 |
| Mar 3, 2025 | RGEN REPLIGEN CORP | AGrant or award Stock Option (Right to Buy)derivative | +6,056 | $0.00 | $0 | 6,056 | Mar 4, 2025 |
| Feb 27, 2025 | RGEN REPLIGEN CORP | FTax withholding Common Stock | -1,285 | $156.54 | $201k | 18,763 | Feb 28, 2025 |
| Feb 24, 2025 | RGEN REPLIGEN CORP | FTax withholding Common Stock | -543 | $164.74 | $89k | 20,048 | Feb 25, 2025 |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.