Range Low Price High Price Comment
30 days $112.01 $136.54 Monday, 22nd Jun 2026 RGEN stock ended at $126.57. This is 4.13% less than the trading day before Thursday, 18th Jun 2026. During the day the stock fluctuated 6.62% from a day low at $125.44 to a day high of $133.74.
90 days $100.99 $141.46
52 weeks $100.99 $175.57

Historical Repligen Corporation prices

Date Open High Low Close Volume
Jun 22, 2026 $131.01 $133.74 $125.44 $126.57 810 533
Jun 18, 2026 $131.40 $133.57 $127.48 $132.02 1 216 476
Jun 17, 2026 $132.90 $136.54 $130.71 $133.55 1 315 838
Jun 16, 2026 $131.32 $134.11 $129.70 $131.69 577 074
Jun 15, 2026 $132.93 $134.59 $130.42 $130.87 562 114
Jun 12, 2026 $133.57 $135.73 $130.49 $130.59 1 269 638
Jun 11, 2026 $130.92 $133.97 $129.77 $133.33 623 451
Jun 10, 2026 $126.84 $135.07 $126.84 $130.76 1 203 877
Jun 09, 2026 $127.49 $132.25 $127.42 $130.13 1 466 588
Jun 08, 2026 $123.57 $126.48 $121.21 $125.33 718 280
Jun 05, 2026 $125.95 $128.36 $121.69 $122.31 670 085
Jun 04, 2026 $121.80 $128.46 $121.73 $126.55 1 205 217
Jun 03, 2026 $119.40 $122.32 $117.59 $121.73 648 743
Jun 02, 2026 $121.79 $122.41 $119.21 $121.13 734 475
Jun 01, 2026 $121.50 $124.01 $118.52 $123.10 654 931
May 29, 2026 $122.51 $125.58 $121.29 $123.95 823 724
May 28, 2026 $113.04 $126.68 $113.04 $122.73 1 425 481
May 27, 2026 $115.15 $118.20 $112.01 $113.17 1 103 856
May 26, 2026 $116.61 $117.00 $112.41 $115.19 787 000
May 22, 2026 $113.50 $115.95 $113.50 $115.06 714 436
May 21, 2026 $110.90 $114.83 $109.38 $113.37 990 913
May 20, 2026 $109.00 $111.88 $103.63 $111.74 1 164 132
May 19, 2026 $104.85 $110.10 $103.61 $108.52 2 198 378
May 18, 2026 $103.70 $106.38 $102.66 $104.20 1 547 665
May 15, 2026 $104.46 $107.75 $102.55 $102.87 2 307 248

FAQ

What are historical stock prices?
Historical stock prices refer to a stock’s recorded prices at various past points. These prices include several key figures that help investors and analysts evaluate a stock’s performance over time:
Open: Open price for the trading day.
High: Highest price for the trading day.
Low: Lowest price for the trading day.
Close: Close price for the trading day.

Additionally, historical prices often include:
Volume is the number of shares traded during the day. It indicates how actively a stock was traded and can provide insights into market sentiment and liquidity.

How can I use RGEN stock historical prices to predict future price movements?
Trend Analysis: Examine the RGEN stock’s historical trends to identify patterns that might continue.
Moving Averages: Use moving averages to detect potential reversal points.
Momentum Indicators: Apply indicators like RSI or MACD to assess the momentum and strength of price movements.
Volume Analysis: Analyze trading volume alongside price changes to gauge trend strength.
Statistical Methods: Use statistical tools such as regression analysis to model and forecast future prices based on past data.
These techniques can provide insights but should be used with risk management practices to mitigate potential losses.

What impact do stock splits have on historical price data?
When a company performs a stock split, it adjusts the historical price data to reflect the new, lower trading price as if it had always been that way.

This ensures consistency for anyone analyzing the stock’s past prices. The adjustment helps prevent misleading signals on charts, such as false sell signals or bearish trends that aren’t there. For instance, in a 2-for-1 stock split, the price per share is cut in half, which would otherwise appear as a dramatic drop on the chart. If someone didn’t know about the split, they might wrongly think something negative happened to the company. Most technical indicators would also react to this apparent drop by signaling to sell.

A stock split, while making the shares seem more affordable and potentially more attractive to investors, doesn’t alter the company’s fundamental value.

Why do the RGEN stock historical prices show a range for periods like 30 days, 90 days, and 52 weeks?
The range provides the lowest and highest prices at which the stock has traded during the specified period. This helps investors understand the stock’s volatility and price variability within that timeframe.

How can I use historical price volatility to assess risk?
High price volatility historically indicates higher risk and potentially higher returns. Investors can gauge the stock’s risk level by examining the range between high and low prices over various periods.
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ABOUT REPLIGEN CORPORATION
Repligen
Repligen Corporation develops and commercializes bioprocessing technologies and systems for use in biological drug manufacturing process in North America, Europe, the Asia Pacific, and internationally. It offers Protein A ligands that are the binding components of Protein A affinity chromatography resins; and cell culture growth factor products. The company's chromatography products include OPUS pre-packed chromatography columns, which are used i...
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