InsiderTrades.com logo

EBS Insider Trading

Insider Ownership Percentage: 1.20%
Insider Buying (Last 12 Months): $0.00
Insider Selling (Last 12 Months): $690,250.62

Emergent Biosolutions Insider Trading History Chart

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

Skip ChartChart Data in Insider Trading History Table

Emergent Biosolutions Share Price & Price History

Current Price: $12.04
Price Change: ▲ Price Increase of +0.443 (3.82%)
As of 12/4/2025 04:59 PM ET

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

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

Emergent Biosolutions Insider Trading History

Transaction DateInsider NameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
10/7/2025Coleen GlessnerEVPSell30,608$10.00$306,080.00144,319View SEC Filing Icon  
8/15/2025Kathryn C ZoonDirectorSell7,086$8.87$62,852.8271,799View SEC Filing Icon  
8/12/2025Donald W DegolyerDirectorSell7,844$8.65$67,850.60137,659View SEC Filing Icon  
5/23/2025Keith KatkinDirectorSell7,844$6.30$49,417.2086,431View SEC Filing Icon  
3/12/2025Neal Franklin FowlerDirectorSell35,000$5.83$204,050.00101,100View SEC Filing Icon  
6/4/2024Kathryn C ZoonDirectorSell10,000$6.11$61,100.0054,482View SEC Filing Icon  
5/29/2024Kathryn C ZoonDirectorSell1,830$4.61$8,436.3064,482View SEC Filing Icon  
5/21/2024Kathryn C ZoonDirectorSell1,089$5.78$6,294.4248,882View SEC Filing Icon  
6/2/2023Kathryn C ZoonDirectorSell1,830$8.35$15,280.5049,971View SEC Filing Icon  
5/25/2023Kathryn C ZoonDirectorSell1,700$8.38$14,246.0051,801View SEC Filing Icon  
See Full Table

SEC Filings (Institutional Ownership Changes) for Emergent Biosolutions (NYSE:EBS)

78.40% of Emergent Biosolutions 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 EBS by year and by quarter.

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

Emergent Biosolutions Institutional Trading History

Reporting DateHedge FundShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
11/17/2025Jacobs Levy Equity Management Inc.139,806$1.23M0.0%-33.1%0.266%Search for SEC Filing on Google Icon
11/17/2025Susquehanna Fundamental Investments LLC95,070$0.84M0.0%-12.2%0.181%Search for SEC Filing on Google Icon
11/17/2025Sherbrooke Park Advisers LLC21,757$0.19M0.1%N/A0.041%Search for SEC Filing on Google Icon
11/17/2025Qube Research & Technologies Ltd167,057$1.47M0.0%-51.8%0.318%Search for SEC Filing on Google Icon
11/17/2025Morse Asset Management Inc217,925$1.92M0.4%+4.7%0.415%Search for SEC Filing on Google Icon
11/17/2025Millennium Management LLC77,824$0.69M0.0%-89.7%0.148%Search for SEC Filing on Google Icon
11/17/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.30,203$0.27M0.0%-9.5%0.058%Search for SEC Filing on Google Icon
11/17/2025L2 Asset Management LLC10,180$90K0.0%-14.9%0.019%Search for SEC Filing on Google Icon
11/17/2025Jain Global LLC508,707$4.49M0.0%N/A0.969%Search for SEC Filing on Google Icon
11/17/2025Brevan Howard Capital Management LP13,900$0.12M0.0%-25.8%0.026%Search for SEC Filing on Google Icon
11/17/2025Bank of America Corp DE89,502$0.79M0.0%-71.1%0.170%Search for SEC Filing on Google Icon
11/17/2025Aquatic Capital Management LLC10,632$94K0.0%-29.6%0.020%Search for SEC Filing on Google Icon
11/17/2025Ameriprise Financial Inc.31,273$0.28M0.0%-26.1%0.060%Search for SEC Filing on Google Icon
11/14/2025Creative Planning21,742$0.19M0.0%+44.7%0.041%Search for SEC Filing on Google Icon
11/14/2025Man Group plc30,376$0.27M0.0%-28.7%0.058%Search for SEC Filing on Google Icon
11/14/2025Two Sigma Investments LP261,331$2.31M0.0%-26.1%0.498%Search for SEC Filing on Google Icon
11/14/2025Squarepoint Ops LLC172,797$1.52M0.0%+607.0%0.329%Search for SEC Filing on Google Icon
11/14/2025Glenmede Investment Management LP20,798$0.18M0.0%+36.8%0.040%Search for SEC Filing on Google Icon
11/13/2025Jump Financial LLC314,000$2.77M0.0%+468.4%0.598%Search for SEC Filing on Google Icon
11/13/2025Marshall Wace LLP912,388$8.05M0.0%-10.4%1.737%Search for SEC Filing on Google Icon
11/13/2025Landscape Capital Management L.L.C.13,322$0.12M0.0%-19.3%0.025%Search for SEC Filing on Google Icon
11/13/2025Arrowstreet Capital Limited Partnership33,707$0.30M0.0%N/A0.064%Search for SEC Filing on Google Icon
11/13/2025Invesco Ltd.380,280$3.35M0.0%-32.7%0.724%Search for SEC Filing on Google Icon
11/13/2025UBS Group AG439,375$3.88M0.0%-9.2%0.837%Search for SEC Filing on Google Icon
11/13/2025Connor Clark & Lunn Investment Management Ltd.1,132,305$9.99M0.0%+14.8%2.156%Search for SEC Filing on Google Icon
11/13/2025BNP Paribas Financial Markets10,942$97K0.0%+133.0%0.021%Search for SEC Filing on Google Icon
11/13/2025Franklin Resources Inc.77,181$0.68M0.0%N/A0.147%Search for SEC Filing on Google Icon
11/13/2025WINTON GROUP Ltd20,416$0.18M0.0%N/A0.039%Search for SEC Filing on Google Icon
11/13/2025Russell Investments Group Ltd.163,713$1.44M0.0%+3.2%0.312%Search for SEC Filing on Google Icon
11/12/2025Dimensional Fund Advisors LP2,140,340$18.88M0.0%+15.8%4.075%Search for SEC Filing on Google Icon
11/12/2025Segall Bryant & Hamill LLC80,849$0.71M0.0%N/A0.154%Search for SEC Filing on Google Icon
11/12/2025American Century Companies Inc.2,382,378$21.01M0.0%+3.9%4.536%Search for SEC Filing on Google Icon
11/12/2025Rafferty Asset Management LLC94,221$0.83M0.0%+20.9%0.179%Search for SEC Filing on Google Icon
11/12/2025Intech Investment Management LLC33,987$0.30M0.0%+18.2%0.065%Search for SEC Filing on Google Icon
11/10/2025Palumbo Wealth Management LLC48,196$0.43M0.1%N/A0.092%Search for SEC Filing on Google Icon
11/10/2025Ameritas Investment Partners Inc.4,560$40K0.0%-17.2%0.009%Search for SEC Filing on Google Icon
11/7/2025Vanguard Group Inc.3,540,670$31.23M0.0%-1.2%6.742%Search for SEC Filing on Google Icon
11/7/2025JPMorgan Chase & Co.22,428$0.20M0.0%-12.4%0.043%Search for SEC Filing on Google Icon
11/6/2025LSV Asset Management864,500$7.63M0.0%+6.0%1.646%Search for SEC Filing on Google Icon
11/6/2025Rhumbline Advisers80,858$0.71M0.0%-3.8%0.154%Search for SEC Filing on Google Icon
11/6/2025Profund Advisors LLC20,425$0.18M0.0%+23.9%0.039%Search for SEC Filing on Google Icon
11/5/2025SBI Securities Co. Ltd.6,504$57K0.0%-49.8%0.012%Search for SEC Filing on Google Icon
11/4/2025Allianz Asset Management GmbH279,807$2.47M0.0%+149.0%0.524%Search for SEC Filing on Google Icon
11/4/2025State of Wyoming26,732$0.24M0.0%-35.3%0.050%Search for SEC Filing on Google Icon
11/3/2025AlphaQuest LLC19,797$0.18M0.0%N/A0.037%Search for SEC Filing on Google Icon
11/3/2025New York State Common Retirement Fund522,004$4.60M0.0%+32.6%0.978%Search for SEC Filing on Google Icon
11/3/2025Federated Hermes Inc.401,258$3.54M0.0%+43.6%0.752%Search for SEC Filing on Google Icon
10/31/2025Y Intercept Hong Kong Ltd17,588$0.16M0.0%N/A0.033%Search for SEC Filing on Google Icon
10/30/2025Strs Ohio13,100$0.12M0.0%N/A0.025%Search for SEC Filing on Google Icon
10/29/2025Wealth Enhancement Advisory Services LLC11,391$100K0.0%N/A0.021%Search for SEC Filing on Google Icon
10/28/2025Campbell & CO Investment Adviser LLC44,608$0.39M0.0%N/A0.084%Search for SEC Filing on Google Icon
10/23/2025SG Americas Securities LLC15,322$0.14M0.0%N/A0.029%Search for SEC Filing on Google Icon
10/21/2025Values First Advisors Inc.367,919$3.25M1.7%-2.1%0.690%Search for SEC Filing on Google Icon
10/21/2025Silver Oak Securities Incorporated106,700$0.94M0.1%N/A0.200%Search for SEC Filing on Google Icon
10/15/2025CWM LLC17,067$0.15M0.0%N/A0.032%Search for SEC Filing on Google Icon
10/15/2025Pacer Advisors Inc.536,655$4.73M0.0%-3.6%1.006%Search for SEC Filing on Google Icon
10/15/2025Harbor Capital Advisors Inc.21,175$0.19M0.0%-30.4%0.040%Search for SEC Filing on Google Icon
10/7/2025Assenagon Asset Management S.A.56,455$0.50M0.0%-81.8%0.106%Search for SEC Filing on Google Icon
9/4/2025Osaic Holdings Inc.17,705$0.11M0.0%-16.8%0.033%Search for SEC Filing on Google Icon
8/19/2025B. Riley Wealth Advisors Inc.37,800$0.24M0.0%N/A0.071%Search for SEC Filing on Google Icon
8/19/2025State of Wyoming41,315$0.26M0.0%+32.5%0.077%Search for SEC Filing on Google Icon
8/16/2025Headlands Technologies LLC17,969$0.12M0.0%N/A0.034%Search for SEC Filing on Google Icon
8/15/2025Tower Research Capital LLC TRC 6,270$40K0.0%-61.8%0.012%Search for SEC Filing on Google Icon
8/15/2025Morse Asset Management Inc208,044$1.33M0.3%+11.0%0.390%Search for SEC Filing on Google Icon
8/15/2025Rafferty Asset Management LLC77,907$0.50M0.0%-29.9%0.146%Search for SEC Filing on Google Icon
8/15/2025Palisade Capital Management LP1,099,759$7.02M0.2%-3.7%2.061%Search for SEC Filing on Google Icon
8/15/2025Man Group plc42,608$0.27M0.0%-57.1%0.080%Search for SEC Filing on Google Icon
8/15/2025BNP Paribas Financial Markets4,696$30K0.0%-82.8%0.009%Search for SEC Filing on Google Icon
8/15/2025Brevan Howard Capital Management LP18,724$0.12M0.0%+44.2%0.035%Search for SEC Filing on Google Icon
8/15/2025Bank of America Corp DE309,947$1.98M0.0%+232.1%0.581%Search for SEC Filing on Google Icon
8/15/2025Ameriprise Financial Inc.42,308$0.27M0.0%N/A0.079%Search for SEC Filing on Google Icon
8/14/2025PDT Partners LLC18,896$0.12M0.0%N/A0.035%Search for SEC Filing on Google Icon
8/14/2025Raymond James Financial Inc.8,328$53K0.0%N/A0.016%Search for SEC Filing on Google Icon
8/14/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.33,358$0.21M0.0%+544.8%0.063%Search for SEC Filing on Google Icon
8/14/2025The Manufacturers Life Insurance Company 19,427$0.12M0.0%N/A0.036%Search for SEC Filing on Google Icon
8/14/2025Qube Research & Technologies Ltd346,928$2.21M0.0%-68.1%0.650%Search for SEC Filing on Google Icon
8/14/2025L2 Asset Management LLC11,962$76K0.0%N/A0.022%Search for SEC Filing on Google Icon
8/13/2025Jump Financial LLC55,243$0.35M0.0%N/A0.104%Search for SEC Filing on Google Icon
8/13/2025Marshall Wace LLP1,018,847$6.50M0.0%-12.0%1.910%Search for SEC Filing on Google Icon
8/13/2025Invesco Ltd.565,274$3.61M0.0%-24.4%1.060%Search for SEC Filing on Google Icon
8/13/2025New York State Common Retirement Fund393,575$2.51M0.0%+4.9%0.738%Search for SEC Filing on Google Icon
8/12/2025XTX Topco Ltd27,237$0.17M0.0%-68.3%0.051%Search for SEC Filing on Google Icon
8/12/2025Ameritas Investment Partners Inc.5,510$35K0.0%N/A0.010%Search for SEC Filing on Google Icon
8/12/2025American Century Companies Inc.2,292,162$14.62M0.0%-0.2%4.296%Search for SEC Filing on Google Icon
8/12/2025Rhumbline Advisers84,025$0.54M0.0%+862.4%0.157%Search for SEC Filing on Google Icon
8/12/2025Legal & General Group Plc4,913$31K0.0%N/A0.009%Search for SEC Filing on Google Icon
8/12/2025JPMorgan Chase & Co.25,603$0.16M0.0%-88.0%0.048%Search for SEC Filing on Google Icon
8/11/2025LSV Asset Management815,591$5.20M0.0%-1.9%1.503%Search for SEC Filing on Google Icon
8/8/2025Intech Investment Management LLC28,754$0.18M0.0%N/A0.053%Search for SEC Filing on Google Icon
8/8/2025Cetera Investment Advisers358,952$2.29M0.0%+0.7%0.661%Search for SEC Filing on Google Icon
8/8/2025Police & Firemen s Retirement System of New Jersey12,538$80K0.0%N/A0.023%Search for SEC Filing on Google Icon
8/8/2025Geode Capital Management LLC1,278,998$8.16M0.0%+108.9%2.356%Search for SEC Filing on Google Icon
8/8/2025Advyzon Investment Management LLC14,100$90K0.0%N/A0.026%Search for SEC Filing on Google Icon
8/7/2025ProShare Advisors LLC11,068$71K0.0%N/A0.020%Search for SEC Filing on Google Icon
8/7/2025Profund Advisors LLC16,488$0.11M0.0%-25.0%0.030%Search for SEC Filing on Google Icon
8/7/2025Prescott Group Capital Management L.L.C.772,771$4.93M0.6%+23.1%1.424%Search for SEC Filing on Google Icon
8/7/2025Acadian Asset Management LLC974,590$6.22M0.0%+17.0%1.795%Search for SEC Filing on Google Icon
8/7/2025Connor Clark & Lunn Investment Management Ltd.986,673$6.30M0.0%+5.9%1.818%Search for SEC Filing on Google Icon
8/5/2025Hussman Strategic Advisors Inc.105,000$0.67M0.2%+400.0%0.193%Search for SEC Filing on Google Icon
8/4/2025Wolverine Asset Management LLC174,933$1.12M0.0%+28.3%0.322%Search for SEC Filing on Google Icon
Data available starting January 2016

See Full Table
Emergent Biosolutions logo
Emergent BioSolutions Inc., a life sciences company, provides preparedness and response solutions for accidental, deliberate, and naturally occurring public health threats in the United States. The company offers NARCAN Nasal Spray for the emergency treatment of known or suspected opioid overdose; Vaxchora vaccine for the prevention of cholera; Vivotif vaccine for oral administration for the prevention of typhoid fever; Anthrasil for the treatment of inhalational anthrax; BioThrax, an anthrax vaccine; CYFENDUS for post-exposure prophylaxis of disease following suspected or confirmed exposure to Bacillus anthracis; and Raxibacumab injection for the treatment and prophylaxis of inhalational anthrax. It also provides ACAM2000, a smallpox vaccine; CNJ-016 to address complications from smallpox vaccination; TEMBEXA for the treatment of smallpox disease caused by variola virus in adult and pediatric patients; BAT for the treatment of symptomatic botulism; Ebanga for the treatment of Ebola; Reactive Skin Decontamination Lotion Kit to remove or neutralize chemical warfare agents from the skin; Trobigard, a atropine sulfate obidoxime chloride auto-injector. In addition, the company is developing CGRD-001 for the treatment of poisoning by organophosphorus nerve agents or organophosphorus compounds; EBS-LASV to prevent Lassa fever; EBS-MARV to prevent Marburg virus disease; EBS-SUDV to prevent Sudan virus disease; Pan-Ebola mAbs for the treatment of ebola virus; SIAN Antidote for initial treatment of certain or suspected acute cyanide poisoning; UniFlu for immunity against influenza A and B viruses; and WEVEE-VLP for equine encephalitis virus infections. Further, it provides contract development and manufacturing services comprising drug substance and product manufacturing, and packaging, as well as technology transfer, process, and analytical development services. The company was incorporated in 1998 and is headquartered in Gaithersburg, Maryland.
Read More on Emergent Biosolutions

Today's Range

Now: $12.04
Low: $11.52
High: $12.28

50 Day Range

MA: $10.09
Low: $8.81
High: $12.78

52 Week Range

Now: $12.04
Low: $4.02
High: $13.41

Volume

1,124,806 shs

Average Volume

827,770 shs

Market Capitalization

$632.50 million

P/E Ratio

9.26

Dividend Yield

N/A

Beta

2.32

Who are the company insiders with the largest holdings of Emergent Biosolutions?

Emergent Biosolutions' top insider investors include:
  1. Coleen Glessner (EVP)
  2. Donald W Degolyer (Director)
  3. Neal Franklin Fowler (Director)
  4. Keith Katkin (Director)
  5. Kathryn C Zoon (Director)
Learn More about top insider investors at Emergent Biosolutions.

Who are the major institutional investors of Emergent Biosolutions?

Emergent Biosolutions' top institutional shareholders include:
  1. Vanguard Group Inc. — 6.74%
  2. American Century Companies Inc. — 4.54%
  3. Dimensional Fund Advisors LP — 4.08%
  4. Connor Clark & Lunn Investment Management Ltd. — 2.16%
  5. Marshall Wace LLP — 1.74%
  6. LSV Asset Management — 1.65%
Learn More about top institutional investors of Emergent Biosolutions stock.

Which institutional investors are selling Emergent Biosolutions stock?

In the last quarter, EBS stock was sold by these institutional investors:
  1. Millennium Management LLC
  2. Assenagon Asset Management S.A.
  3. Bank of America Corp DE
  4. Invesco Ltd.
  5. Qube Research & Technologies Ltd
  6. Marshall Wace LLP
  7. Two Sigma Investments LP
  8. Jacobs Levy Equity Management Inc.
Within the previous year, company insiders that have sold Emergent Biosolutions company stock include:
  1. Coleen Glessner (EVP)
  2. Donald W Degolyer (Director)
  3. Neal Franklin Fowler (Director)
  4. Keith Katkin (Director)
  5. Kathryn C Zoon (Director)
Learn More investors selling Emergent Biosolutions stock.

Which institutional investors are buying Emergent Biosolutions stock?

In the last quarter, EBS stock was acquired by institutional investors including:
  1. Jain Global LLC
  2. Dimensional Fund Advisors LP
  3. Jump Financial LLC
  4. Allianz Asset Management GmbH
  5. Squarepoint Ops LLC
  6. Connor Clark & Lunn Investment Management Ltd.
  7. New York State Common Retirement Fund
  8. Federated Hermes Inc.