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RGEN Insider Trading

Insider Ownership Percentage: 0.60%
Insider Buying (Last 12 Months): $0.00
Insider Selling (Last 12 Months): $7,827,362.22

Repligen Insider Trading History Chart

This chart shows the insider buying and selling history at Repligen by year and by quarter.

Skip ChartChart Data in Insider Trading History Table

Repligen Share Price & Price History

Current Price: $173.58
Price Change: ▲ Price Increase of +5.096 (3.02%)
As of 11/6/2026 10:09 AM ET

This chart shows the closing price history over time for RGEN up to the past year.

Skip Chart and Table DataPrice Data in Insider Trading History Table
Days: 30 | 90 | 365

Repligen Insider Trading History

Transaction DateInsider NameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
6/25/2026Jason K GarlandCFOSell733$145.00$106,285.0019,359View SEC Filing Icon  
12/17/2025Karen A. DawesDirectorSell275$161.00$44,275.0091,821View SEC Filing Icon  
11/18/2025James BylundCOOSell2,191$151.21$331,301.1121,520View SEC Filing Icon  
11/18/2025James BylundCOOSell2,191$151.21$331,301.1121,520View SEC Filing Icon  
11/13/2025Anthony HuntDirectorSell20,000$154.61$3,092,200.0080,743View SEC Filing Icon  
11/12/2025Anthony HuntDirectorSell25,000$156.88$3,922,000.00100,743View SEC Filing Icon  
8/8/2025Martin D. MadausDirectorBuy1,800$112.13$201,834.001,800View SEC Filing Icon  
3/17/2025Margaret PaxDirectorBuy250$150.69$37,672.501,043View SEC Filing Icon  
9/10/2024Anthony HuntDirectorSell22,191$145.37$3,225,905.67139,840View SEC Filing Icon  
8/1/2024Ralf KuriyelVPSell4,465$165.67$739,716.5519,261View SEC Filing Icon  
6/14/2024Anthony HuntCEOBuy2,000$124.08$248,160.00165,177View SEC Filing Icon  
6/14/2024Martin D. MadausDirectorBuy1,615$124.94$201,778.104,613View SEC Filing Icon  
5/21/2024Anthony HuntCEOSell20,072$168.26$3,377,314.72163,177View SEC Filing Icon  
3/11/2024Ralf KuriyelVPSell3,517$193.73$681,348.4124,260View SEC Filing Icon  
3/8/2024Anthony HuntCEOSell16,707$197.44$3,298,630.08185,249View SEC Filing Icon  
2/27/2024Karen A. DawesDirectorSell1,000$193.35$193,350.0087,367View SEC Filing Icon  
2/23/2024James BylundCOOSell4,373$198.08$866,203.8414,135View SEC Filing Icon  
11/10/2023Christine GebskiInsiderSell3,788$147.13$557,328.4428,787View SEC Filing Icon  
See Full Table

SEC Filings (Institutional Ownership Changes) for Repligen (NASDAQ:RGEN)

97.64% of Repligen stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

This chart shows the instiutional buying and selling at RGEN by year and by quarter.

Skip Institutional Buying and Selling Chart and Table DataRead Chart Data in Institutional Trading History Table

Repligen Institutional Trading History

Reporting DateHedge FundShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
11/6/2026Eurizon Capital SGR S.p.A.583$0.11M0.0%+21.2%0.001%Search for SEC Filing on Google Icon
11/6/2026New Mexico Educational Retirement Board11,900$2.29M0.1%+12.3%0.019%Search for SEC Filing on Google Icon
11/5/2026Maryland State Retirement & Pension System3,244$0.62M0.0%+24.6%0.005%Search for SEC Filing on Google Icon
11/5/2026Lisanti Capital Growth LLC21,115$4.06M1.1%N/A0.033%Search for SEC Filing on Google Icon
11/5/2026Jefferies Financial Group Inc.5,503$1.06M0.0%-99.9%0.009%Search for SEC Filing on Google Icon
11/5/2026Riverbridge Partners LLC166,046$31.92M1.0%-3.7%0.260%Search for SEC Filing on Google Icon
11/4/2026New York Life Investment Management LLC7,868$1.51M0.0%+9.1%0.012%Search for SEC Filing on Google Icon
11/4/2026AlphaCore Capital LLC3,930$0.76M0.0%+90.4%0.006%Search for SEC Filing on Google Icon
11/4/2026Retirement Systems of Alabama58,210$11.19M0.0%+6.1%0.091%Search for SEC Filing on Google Icon
11/4/2026Clear Wave Wealth Management LLC1,134$0.22M0.0%N/A0.002%Search for SEC Filing on Google Icon
11/4/2026Fulcrum Asset Management LLP442$86K0.0%N/A0.001%Search for SEC Filing on Google Icon
11/4/2026Allspring Global Investments Holdings LLC154,190$27.33M0.0%+0.7%0.241%Search for SEC Filing on Google Icon
11/3/2026Ethic Inc.3,054$0.59M0.0%N/A0.005%Search for SEC Filing on Google Icon
11/3/2026Kornitzer Capital Management Inc. KS30,846$5.93M0.1%-1.9%0.055%Search for SEC Filing on Google Icon
11/3/2026Heritage Family Offices LLP417$80K0.0%N/A0.001%Search for SEC Filing on Google Icon
11/2/2026Kestra Advisory Services LLC1,875$0.36M0.0%N/A0.003%Search for SEC Filing on Google Icon
11/2/2026Conestoga Capital Advisors LLC700,626$134.68M4.1%-28.6%1.241%Search for SEC Filing on Google Icon
10/31/2026Covestor Ltd145$28K0.0%-55.1%0.000%Search for SEC Filing on Google Icon
10/30/2026Associated Banc Corp1,177$0.23M0.0%N/A0.002%Search for SEC Filing on Google Icon
10/30/2026Integrity Alliance LLC.1,594$0.31M0.0%N/A0.003%Search for SEC Filing on Google Icon
10/30/2026Oregon Public Employees Retirement Fund11,691$2.25M0.0%+6.9%0.021%Search for SEC Filing on Google Icon
10/30/2026Factory Mutual Insurance Co.9,167$1.76M0.0%N/A0.016%Search for SEC Filing on Google Icon
10/29/2026Virtue Capital Management LLC1,050$0.20M0.0%N/A0.002%Search for SEC Filing on Google Icon
10/29/2026Profund Advisors LLC1,146$0.22M0.0%N/A0.002%Search for SEC Filing on Google Icon
10/29/2026Vise Technologies Inc.1,489$0.29M0.0%N/A0.003%Search for SEC Filing on Google Icon
10/29/2026Americana Partners LLC2,017$0.39M0.0%N/A0.004%Search for SEC Filing on Google Icon
10/28/2026China Universal Asset Management Co. Ltd.2,160$0.42M0.0%-13.6%0.000%Search for SEC Filing on Google Icon
10/28/2026North Dakota State Investment Board1,630$0.31M0.0%+4.1%0.000%Search for SEC Filing on Google Icon
10/26/2026Verdence Capital Advisors LLC2,610$0.50M0.0%-33.2%0.005%Search for SEC Filing on Google Icon
10/24/2026Slow Capital Inc.41,776$8.03M0.9%-0.2%0.074%Search for SEC Filing on Google Icon
10/23/2026One Wealth Capital Management LLC1,112$0.21M0.1%-54.6%0.002%Search for SEC Filing on Google Icon
10/23/2026Evergreen Capital Management LLC1,127$0.22M0.0%N/A0.002%Search for SEC Filing on Google Icon
10/23/2026Gibbs Wealth Management12,866$2.47M0.3%+7.7%0.023%Search for SEC Filing on Google Icon
10/23/2026Sterling Capital Management LLC1,536$0.30M0.0%-87.3%0.003%Search for SEC Filing on Google Icon
10/23/2026Inspire Investing LLC2,478$0.48M0.0%-6.9%0.004%Search for SEC Filing on Google Icon
10/22/2026Yousif Capital Management LLC12,604$2.42M0.0%+1.3%0.022%Search for SEC Filing on Google Icon
10/22/2026E. Ohman J or Asset Management AB24,980$4.80M0.1%-12.7%0.044%Search for SEC Filing on Google Icon
10/21/2026Crossmark Global Holdings Inc.4,525$0.87M0.0%+3.5%0.008%Search for SEC Filing on Google Icon
10/21/2026Quadrant Capital Group LLC1,796$0.32M0.0%-22.8%0.003%Search for SEC Filing on Google Icon
10/21/2026Diversify Advisory Services LLC20,028$3.69M0.1%+7.7%0.035%Search for SEC Filing on Google Icon
10/16/2026Stronghold Wealth Management L.L.C.1,219$0.23M0.4%N/A0.002%Search for SEC Filing on Google Icon
10/15/2026Assenagon Asset Management S.A.1,489$0.29M0.0%-97.9%0.003%Search for SEC Filing on Google Icon
10/15/2026State of Alaska Department of Revenue5,346$1.03M0.0%+2.9%0.009%Search for SEC Filing on Google Icon
10/15/2026Fort Washington Investment Advisors Inc. OH3,544$0.68M0.0%+95.3%0.006%Search for SEC Filing on Google Icon
10/14/2026Clark & Stuart Inc1,400$0.27M0.2%N/A0.002%Search for SEC Filing on Google Icon
10/14/2026Krilogy Financial LLC15,066$2.90M0.1%-31.8%0.027%Search for SEC Filing on Google Icon
10/13/2026Sivik Global Healthcare LLC20,000$3.85M2.4%N/A0.035%Search for SEC Filing on Google Icon
10/13/2026NorthCrest Asset Manangement LLC2,482$0.48M0.0%N/A0.004%Search for SEC Filing on Google Icon
10/9/2026GK Wealth Management LLC850$0.16M0.1%N/A0.002%Search for SEC Filing on Google Icon
10/9/2026GAMMA Investing LLC2,269$0.44M0.0%+16.7%0.004%Search for SEC Filing on Google Icon
10/8/2026Farther Finance Advisors LLC374$72K0.0%+35.5%0.001%Search for SEC Filing on Google Icon
10/8/2026CoreCap Advisors LLC275$53K0.0%+1,275.0%0.000%Search for SEC Filing on Google Icon
10/8/2026Artemis Investment Management LLP374,482$71.99M0.6%+207.6%0.664%Search for SEC Filing on Google Icon
10/8/2026Everhart Financial Group Inc.2,455$0.47M0.0%+10.6%0.004%Search for SEC Filing on Google Icon
10/6/2026Congress Asset Management Co.1,020,907$196.25M1.2%+0.9%1.809%Search for SEC Filing on Google Icon
10/6/2026Moody National Bank Trust Division18,167$3.49M0.3%+2.5%0.032%Search for SEC Filing on Google Icon
9/23/2026QRG Capital Management Inc.3,550$0.48M0.0%+14.6%0.006%Search for SEC Filing on Google Icon
9/23/2026Envestnet Portfolio Solutions Inc.10,251$1.40M0.0%+24.5%0.018%Search for SEC Filing on Google Icon
9/9/2026Tidal Investments LLC8,863$1.21M0.0%+75.2%0.016%Search for SEC Filing on Google Icon
9/9/2026Engineers Gate Manager LP7,646$1.04M0.0%+146.0%0.014%Search for SEC Filing on Google Icon
9/9/2026Baird Financial Group Inc.144,571$19.73M0.0%-15.8%0.256%Search for SEC Filing on Google Icon
9/8/2026Arizona State Retirement System14,395$1.96M0.0%-2.0%0.026%Search for SEC Filing on Google Icon
9/8/2026Waverly Advisors LLC32,751$4.47M0.0%+10.1%0.058%Search for SEC Filing on Google Icon
9/8/2026Nykredit A S1,968$0.27M0.0%N/A0.003%Search for SEC Filing on Google Icon
8/27/2026Corient Private Wealth LP11,319$1.54M0.0%+420.9%0.020%Search for SEC Filing on Google Icon
8/26/2026Amundi12,117$1.65M0.0%-73.0%0.021%Search for SEC Filing on Google Icon
8/25/2026VIRGINIA RETIREMENT SYSTEMS ET Al8,600$1.17M0.0%N/A0.015%Search for SEC Filing on Google Icon
8/23/2026Angeles Wealth Management LLC2,757$0.38M0.0%+6.6%0.005%Search for SEC Filing on Google Icon
8/21/2026Nykredit A S1,968$0.27M0.0%N/A0.003%Search for SEC Filing on Google Icon
8/21/2026B. Metzler seel. Sohn & Co. AG26,361$3.60M0.0%+52.8%0.047%Search for SEC Filing on Google Icon
8/20/2026Moore Capital Management LP37,549$5.12M0.1%N/A0.067%Search for SEC Filing on Google Icon
8/20/2026Northwestern Mutual Wealth Management Co.381$52K0.0%-52.5%0.001%Search for SEC Filing on Google Icon
8/20/2026Thornburg Investment Management Inc.43,887$5.99M0.1%+49.3%0.078%Search for SEC Filing on Google Icon
8/19/2026UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC161,713$22.06M0.0%-1.2%0.287%Search for SEC Filing on Google Icon
8/19/2026Van ECK Associates Corp17,887$2.44M0.0%+173.8%0.032%Search for SEC Filing on Google Icon
8/19/2026Hsbc Holdings PLC24,170$3.30M0.0%+22.2%0.043%Search for SEC Filing on Google Icon
8/18/2026North Star Asset Management Inc.77,561$10.58M0.4%N/A0.137%Search for SEC Filing on Google Icon
8/18/2026United Capital Financial Advisors LLC2,790,650$380.76M2.1%N/A4.944%Search for SEC Filing on Google Icon
8/18/2026Equitable Holdings Inc.11,404$1.56M0.0%N/A0.020%Search for SEC Filing on Google Icon
8/18/2026Public Employees Retirement System of Ohio55,503$7.57M0.0%N/A0.098%Search for SEC Filing on Google Icon
8/17/2026Corient Private Wealth LP11,286$1.54M0.0%N/A0.020%Search for SEC Filing on Google Icon
8/17/2026Bamco Inc. NY748,466$102.12M0.2%N/A1.326%Search for SEC Filing on Google Icon
8/17/2026Bank of America Corp DE426,291$58.16M0.0%N/A0.755%Search for SEC Filing on Google Icon
8/15/2026American Capital Management Inc.361,055$49.26M2.2%N/A0.640%Search for SEC Filing on Google Icon
8/15/2026Caisse de depot et placement du Quebec2,300$0.31M0.0%N/A0.004%Search for SEC Filing on Google Icon
8/15/2026Jupiter Topco LLC406,001$55.39M0.0%N/A0.719%Search for SEC Filing on Google Icon
8/15/2026ABS Investment Management LLC136$191.02M0.1%N/A0.000%Search for SEC Filing on Google Icon
8/14/2026Hsbc Holdings PLC24,170$3.30M0.0%N/A0.043%Search for SEC Filing on Google Icon
8/14/2026EFG International AG40,543$5.53M0.1%N/A0.072%Search for SEC Filing on Google Icon
8/14/2026Primecap Management Co. CA323,268$44.11M0.0%N/A0.573%Search for SEC Filing on Google Icon
8/14/2026Canada Pension Plan Investment Board1,900$0.26M0.0%N/A0.003%Search for SEC Filing on Google Icon
8/14/2026Osterweis Capital Management Inc.110,995$15.14M0.7%N/A0.197%Search for SEC Filing on Google Icon
8/14/2026Legal & General Group Plc68,988$9.41M0.0%N/A0.122%Search for SEC Filing on Google Icon
8/14/2026The Manufacturers Life Insurance Company38,172$5.21M0.0%N/A0.068%Search for SEC Filing on Google Icon
8/14/2026Kelly Lawrence W & Associates Inc. CA59,250$8.08M1.7%N/A0.105%Search for SEC Filing on Google Icon
8/13/2026Blue Whale Capital LLP178,377$24.34M0.8%N/A0.316%Search for SEC Filing on Google Icon
8/13/2026Connor Clark & Lunn Investment Management Ltd.23,577$3.22M0.0%N/A0.042%Search for SEC Filing on Google Icon
8/13/2026Bank of Nova Scotia25,992$3.55M0.0%N/A0.046%Search for SEC Filing on Google Icon
8/12/2026Commerce Bank13,920$1.90M0.0%N/A0.025%Search for SEC Filing on Google Icon
8/12/2026Weitz Investment Management Inc.40,800$5.57M0.4%N/A0.072%Search for SEC Filing on Google Icon
Data available starting January 2016

See Full Table
Repligen logo
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 in the purification of biologics; and OPUS smaller-scale columns that are used in the high throughput process development screening, viral clearance validation studies, and scale down validation of chromatography processes. It also offers ELISA test kits; and chromatography resins under the CaptivA brand. In addition, the company provides filtration products, such as XCell Alternating Tangential Flow systems that are filtration devices used in upstream perfusion and cell culture processing; TangenX flat sheet cassettes, which are used in downstream biologic drug concentration, buffer exchange, and formulation processes; KrosFlo tangential flow filtration and tangential flow depth filtration systems; Spectra/Por laboratory and process dialysis products, and ProConnex TFDF flow paths. Further, it provides process analytics products, such as slope spectroscopy systems under the SoloVPE, FlowVPE, and FlowVPX brands. The company sells its products to life sciences, biopharmaceutical, and diagnostics companies; laboratory researchers; and contract manufacturing organizations. Repligen Corporation has collaboration agreements with Navigo Proteins GmbH to develop multiple affinity ligands. The company was incorporated in 1981 and is headquartered in Waltham, Massachusetts.
Read More on Repligen

Today's Range

Now: $173.58
Low: $168.05
High: $175.00

50 Day Range

MA: $177.52
Low: $163.84
High: $194.57

52 Week Range

Now: $173.58
Low: $100.99
High: $198.87

Volume

86,439 shs

Average Volume

1,069,516 shs

Market Capitalization

$11.10 billion

P/E Ratio

N/A

Dividend Yield

N/A

Beta

1.11

Who are the company insiders with the largest holdings of Repligen?

Repligen's top insider investors include:
  1. Roy T Eddleman (Major Shareholder)
  2. Anthony Hunt (CEO)
  3. Anthony Hunt (Director)
  4. Karen A Dawes (Director)
  5. Karen A Dawes (Director)
  6. Jon Snodgres (CFO)
  7. Christine Gebski (Insider)
  8. Howard Benjamin (VP)
  9. Glenn L Md Cooper (Director)
  10. Ralf Kuriyel (VP)
Learn More about top insider investors at Repligen.

Who are the major institutional investors of Repligen?

Repligen's top institutional shareholders include:
  1. Congress Asset Management Co. — 1.81%
  2. Conestoga Capital Advisors LLC — 1.24%
  3. Artemis Investment Management LLP — 0.66%
  4. Allspring Global Investments Holdings LLC — 0.24%
  5. Retirement Systems of Alabama — 0.09%
  6. Slow Capital Inc. — 0.07%
Learn More about top institutional investors of Repligen stock.

Which institutional investors are selling Repligen stock?

Within the last quarter, RGEN stock was sold by these institutional investors:
  1. Conestoga Capital Advisors LLC
  2. Assenagon Asset Management S.A.
  3. Sterling Capital Management LLC
  4. Krilogy Financial LLC
  5. E. Ohman J or Asset Management AB
  6. One Wealth Capital Management LLC
  7. Verdence Capital Advisors LLC
  8. Kornitzer Capital Management Inc. KS
During the last year, company insiders that have sold Repligen company stock include:
  1. Anthony Hunt (Director)
  2. Karen A Dawes (Director)
  3. James Bylund (COO)
  4. Jason K Garland (CFO)
Learn More investors selling Repligen stock.

Which institutional investors are buying Repligen stock?

During the previous quarter, RGEN stock was bought by institutional investors including:
  1. Artemis Investment Management LLP
  2. Sivik Global Healthcare LLC
  3. Factory Mutual Insurance Co.
  4. Congress Asset Management Co.
  5. Retirement Systems of Alabama
  6. Ethic Inc.
  7. NorthCrest Asset Manangement LLC
  8. Americana Partners LLC
Within the previous year, these company insiders have bought Repligen stock:
  1. Martin D Madaus (Director)
  2. Margaret Pax (Director)
Learn More investors buying Repligen stock.

Repligen Active Insiders

Jon Snodgres
Jon Snodgres (Age 60)
CFO
Jason K Garland
Jason K Garland
CFO
1 recent trades
Karen A Dawes
Karen A Dawes
Director
Thomas F Ryan Jr
Thomas F Ryan Jr
Director
Nicolas Barthelemy
Nicolas Barthelemy
Director
Manner Carrie Eglinton
Manner Carrie Eglinton
Director
Martin D Madaus
Martin D Madaus
Director
Margaret Pax
Margaret Pax
Director
James Bylund
James Bylund (Age 62)
SVP
Ralf Kuriyel
Ralf Kuriyel (Age 67)
VP
Anthony Hunt
Anthony Hunt (Age 62)
Executive Chair
Christine Gebski
Christine Gebski
Insider