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EBS Insider Trading

Insider Ownership Percentage: 6.00%
Insider Buying (Last 12 Months): $0.00
Insider Selling (Last 12 Months): $1,267,661.38

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: $7.96
Price Change: ▼ Price Decrease of -0.255 (-3.11%)
As of 05/15/2026 03:59 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
5/1/2026Donald W DegolyerDirectorSell15,481$8.40$130,040.40129,721View SEC Filing Icon  
5/1/2026Kathryn C ZoonDirectorSell17,202$8.40$144,496.8079,941View SEC Filing Icon  
5/1/2026Sujata Tyagi DayalDirectorSell13,761$8.40$115,592.40100,563View SEC Filing Icon  
4/30/2026Keith KatkinDirectorSell15,481$8.28$128,182.6896,294View SEC Filing Icon  
12/5/2025Ronald RichardDirectorSell21,984$11.97$263,148.4898,417View SEC Filing Icon  
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
5/14/2026Renaissance Technologies LLC656,047$5.45M0.0%+13.7%1.270%Search for SEC Filing on Google Icon
5/14/2026Sei Investments Co.19,211$0.16M0.0%N/A0.037%Search for SEC Filing on Google Icon
5/14/2026State of Wyoming20,011$0.17M0.0%N/A0.039%Search for SEC Filing on Google Icon
5/13/2026Cetera Investment Advisers225,483$1.87M0.0%+2.7%0.437%Search for SEC Filing on Google Icon
5/13/2026First Trust Advisors LP17,357$0.14M0.0%+19.6%0.034%Search for SEC Filing on Google Icon
5/7/2026Dimensional Fund Advisors LP2,757,158$22.88M0.0%+22.4%5.339%Search for SEC Filing on Google Icon
5/5/2026Bank of New York Mellon Corp215,043$1.79M0.0%-12.1%0.416%Search for SEC Filing on Google Icon
5/5/2026Sanctuary Advisors LLC61,237$0.51M0.0%N/A0.119%Search for SEC Filing on Google Icon
4/20/2026Ritholtz Wealth Management65,268$0.54M0.0%-40.1%0.126%Search for SEC Filing on Google Icon
4/20/2026Assenagon Asset Management S.A.56,455$0.47M0.0%-2.3%0.109%Search for SEC Filing on Google Icon
4/17/2026Values First Advisors Inc.307,880$2.56M1.3%+0.9%0.596%Search for SEC Filing on Google Icon
4/16/2026SG Americas Securities LLC42,394$0.35M0.0%+4.6%0.082%Search for SEC Filing on Google Icon
4/16/2026Evolve Private Wealth LLC65,754$0.55M0.0%N/A0.127%Search for SEC Filing on Google Icon
4/16/2026Baron Wealth Management LLC15,120$0.13M0.0%+40.2%0.029%Search for SEC Filing on Google Icon
2/19/2026Invesco Ltd.206,002$2.55M0.0%-45.8%0.392%Search for SEC Filing on Google Icon
2/18/2026Fuller & Thaler Asset Management Inc.110,160$1.36M0.0%-1.7%0.210%Search for SEC Filing on Google Icon
2/18/2026Zacks Investment Management11,432$0.14M0.0%N/A0.022%Search for SEC Filing on Google Icon
2/18/2026Wellington Management Group LLP168,643$2.08M0.0%-8.4%0.321%Search for SEC Filing on Google Icon
2/18/2026Palisade Capital Management LP1,265,766$15.65M0.5%-11.2%2.410%Search for SEC Filing on Google Icon
2/18/2026Millennium Management LLC237,674$2.94M0.0%+205.4%0.453%Search for SEC Filing on Google Icon
2/18/2026Aristeia Capital L.L.C.27,949$0.35M0.0%N/A0.053%Search for SEC Filing on Google Icon
2/17/2026Schonfeld Strategic Advisors LLC22,910$0.28M0.0%N/A0.044%Search for SEC Filing on Google Icon
2/17/2026AQR Capital Management LLC478,029$5.91M0.0%-18.5%0.910%Search for SEC Filing on Google Icon
2/17/2026Abel Hall LLC10,439$0.13M0.0%N/A0.020%Search for SEC Filing on Google Icon
2/17/2026Cetera Investment Advisers219,483$2.71M0.0%+1.6%0.418%Search for SEC Filing on Google Icon
2/17/2026Jain Global LLC942,691$11.65M0.1%+85.3%1.795%Search for SEC Filing on Google Icon
2/17/2026Trexquant Investment LP301,689$3.73M0.0%-42.7%0.574%Search for SEC Filing on Google Icon
2/17/2026Jump Financial LLC42,142$0.52M0.0%-86.6%0.080%Search for SEC Filing on Google Icon
2/17/2026Price T Rowe Associates Inc. MD38,983$0.48M0.0%-3.6%0.074%Search for SEC Filing on Google Icon
2/17/2026Weiss Asset Management LP37,785$0.47M0.0%N/A0.072%Search for SEC Filing on Google Icon
2/17/2026Public Employees Retirement System of Ohio5,099$63K0.0%-61.9%0.010%Search for SEC Filing on Google Icon
2/17/2026Russell Investments Group Ltd.269,965$3.34M0.0%+64.9%0.514%Search for SEC Filing on Google Icon
2/17/2026Kemnay Advisory Services Inc.8,660$0.11M0.0%N/A0.016%Search for SEC Filing on Google Icon
2/17/2026&PARTNERS17,000$0.21M0.0%N/A0.032%Search for SEC Filing on Google Icon
2/16/2026Squarepoint Ops LLC178,295$2.20M0.0%+3.2%0.339%Search for SEC Filing on Google Icon
2/16/2026Mariner LLC21,274$0.26M0.0%+18.4%0.041%Search for SEC Filing on Google Icon
2/16/2026Barclays PLC154,892$1.91M0.0%-14.0%0.295%Search for SEC Filing on Google Icon
2/13/2026Marshall Wace LLP743,455$9.19M0.0%-18.5%1.416%Search for SEC Filing on Google Icon
2/13/2026The Manufacturers Life Insurance Company 15,587$0.19M0.0%-12.8%0.030%Search for SEC Filing on Google Icon
2/13/2026CANADA LIFE ASSURANCE Co3,645$45K0.0%N/A0.007%Search for SEC Filing on Google Icon
2/13/2026Segall Bryant & Hamill LLC105,980$1.31M0.0%+31.1%0.202%Search for SEC Filing on Google Icon
2/13/2026Virtus Advisers LLC19,500$0.24M0.1%N/A0.037%Search for SEC Filing on Google Icon
2/13/2026Rafferty Asset Management LLC89,018$1.10M0.0%-5.5%0.169%Search for SEC Filing on Google Icon
2/13/2026First Trust Advisors LP14,509$0.18M0.0%N/A0.028%Search for SEC Filing on Google Icon
2/13/2026Charles Schwab Investment Management Inc.1,618,903$20.01M0.0%+17.2%3.082%Search for SEC Filing on Google Icon
2/13/2026Police & Firemen s Retirement System of New Jersey13,505$0.17M0.0%-21.6%0.026%Search for SEC Filing on Google Icon
2/13/2026State Street Corp2,696,375$33.33M0.0%+10.2%5.134%Search for SEC Filing on Google Icon
2/13/2026Ieq Capital LLC31,862$0.39M0.0%-7.1%0.061%Search for SEC Filing on Google Icon
2/13/2026Wells Fargo & Company MN69,211$0.86M0.0%+32.8%0.132%Search for SEC Filing on Google Icon
2/12/2026HRT Financial LP311,784$3.85M0.0%N/A0.594%Search for SEC Filing on Google Icon
2/12/2026Brooklyn Investment Group22,482$0.28M0.0%N/A0.043%Search for SEC Filing on Google Icon
2/12/2026MetLife Investment Management LLC31,419$0.39M0.0%+18.9%0.060%Search for SEC Filing on Google Icon
2/12/2026Renaissance Technologies LLC577,147$7.13M0.0%+11.4%1.099%Search for SEC Filing on Google Icon
2/12/2026Dimensional Fund Advisors LP2,252,605$27.84M0.0%+5.2%4.289%Search for SEC Filing on Google Icon
2/12/2026Federated Hermes Inc.434,774$5.37M0.0%+8.4%0.828%Search for SEC Filing on Google Icon
2/12/2026Fuller & Thaler Asset Management Inc.110,160$1.36M0.0%-1.7%0.210%Search for SEC Filing on Google Icon
2/12/2026Campbell & CO Investment Adviser LLC100,504$1.24M0.1%+125.3%0.191%Search for SEC Filing on Google Icon
2/12/2026Nuveen LLC105,378$1.30M0.0%-7.7%0.201%Search for SEC Filing on Google Icon
2/11/2026Stirlingshire Investments Inc.21,110$0.26M0.2%N/A0.040%Search for SEC Filing on Google Icon
2/11/2026Deutsche Bank AG181,744$2.25M0.0%+1.1%0.346%Search for SEC Filing on Google Icon
2/11/2026LPL Financial LLC80,100$0.99M0.0%+149.0%0.153%Search for SEC Filing on Google Icon
2/11/2026Franklin Resources Inc.78,945$0.98M0.0%+2.3%0.150%Search for SEC Filing on Google Icon
2/11/2026Brandywine Global Investment Management LLC130,310$1.61M0.0%-3.8%0.248%Search for SEC Filing on Google Icon
2/11/2026O Shaughnessy Asset Management LLC373,902$4.62M0.0%+152.7%0.712%Search for SEC Filing on Google Icon
2/11/2026Los Angeles Capital Management LLC70,918$0.91M0.0%-47.4%0.135%Search for SEC Filing on Google Icon
2/11/2026WINTON GROUP Ltd29,097$0.36M0.0%+42.5%0.055%Search for SEC Filing on Google Icon
2/11/2026Vise Technologies Inc.10,582$0.13M0.0%N/A0.020%Search for SEC Filing on Google Icon
2/10/2026Goldman Sachs Group Inc.740,100$9.15M0.0%+19.2%1.409%Search for SEC Filing on Google Icon
2/10/2026AXQ Capital LP13,176$0.16M0.0%N/A0.025%Search for SEC Filing on Google Icon
2/10/2026AdvisorShares Investments LLC39,900$0.49M0.1%N/A0.076%Search for SEC Filing on Google Icon
2/10/2026Intech Investment Management LLC29,494$0.37M0.0%-13.2%0.056%Search for SEC Filing on Google Icon
2/9/2026Geode Capital Management LLC1,250,010$15.45M0.0%-2.2%2.380%Search for SEC Filing on Google Icon
2/6/2026LSV Asset Management901,000$11.14M0.0%+4.2%1.716%Search for SEC Filing on Google Icon
2/6/2026Sierra Summit Advisors LLC48,460$0.60M0.1%N/A0.092%Search for SEC Filing on Google Icon
2/6/2026Covestor Ltd2,706$33K0.0%-32.5%0.005%Search for SEC Filing on Google Icon
2/3/2026Morse Asset Management Inc229,308$2.83M0.6%+5.2%0.437%Search for SEC Filing on Google Icon
2/2/2026Truist Financial Corp219,452$2.71M0.0%-25.3%0.418%Search for SEC Filing on Google Icon
1/30/2026Values First Advisors Inc.305,046$3.77M2.0%-17.1%0.581%Search for SEC Filing on Google Icon
1/30/2026Torren Management LLC2,995$37K0.0%N/A0.006%Search for SEC Filing on Google Icon
1/29/2026James Investment Research Inc.61,899$0.77M0.1%N/A0.118%Search for SEC Filing on Google Icon
1/29/2026UBS Group AG347,805$4.30M0.0%-20.8%0.662%Search for SEC Filing on Google Icon
1/26/2026CWM LLC18,009$0.22M0.0%+5.5%0.034%Search for SEC Filing on Google Icon
1/23/2026Farther Finance Advisors LLC6,163$76K0.0%+361.3%0.012%Search for SEC Filing on Google Icon
1/23/2026Ritholtz Wealth Management108,920$1.35M0.0%N/A0.207%Search for SEC Filing on Google Icon
1/21/2026Palumbo Wealth Management LLC117,121$1.45M0.4%+143.0%0.223%Search for SEC Filing on Google Icon
1/20/2026Harbor Capital Advisors Inc.40,859$0.51M0.0%+93.0%0.078%Search for SEC Filing on Google Icon
1/14/2026Baron Wealth Management LLC10,785$0.13M0.0%N/A0.021%Search for SEC Filing on Google Icon
1/9/2026SG Americas Securities LLC40,529$0.50M0.0%+164.5%0.077%Search for SEC Filing on Google Icon
1/9/2026Assenagon Asset Management S.A.57,805$0.71M0.0%+2.4%0.110%Search for SEC Filing on Google Icon
1/8/2026Wealth Enhancement Advisory Services LLC13,016$0.17M0.0%+14.3%0.025%Search for SEC Filing on Google Icon
1/1/2026JPMorgan Chase & Co.22,428$0.20M0.0%-12.4%0.043%Search for SEC Filing on Google Icon
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
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: $7.96
Low: $7.91
High: $8.18

50 Day Range

MA: $8.33
Low: $7.84
High: $9.50

52 Week Range

Now: $7.96
Low: $5.61
High: $14.06

Volume

508,151 shs

Average Volume

864,095 shs

Market Capitalization

$410.80 million

P/E Ratio

N/A

Dividend Yield

N/A

Beta

2.33

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

Emergent Biosolutions' top insider investors include:
  1. Fuad El-Hibri (Major Shareholder)
  2. Fuad El-Hibri (Chairman)
  3. Daniel Abdun-Nabi (CEO)
  4. Daniel Abdun-Nabi (Insider)
  5. Coleen Glessner (EVP)
  6. Robert Kramer (CEO)
  7. Donald W Degolyer (Director)
  8. Neal Franklin Fowler (Director)
  9. Sujata Tyagi Dayal (Director)
  10. Ronald Richard (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. Dimensional Fund Advisors LP — 5.34%
  2. Values First Advisors Inc. — 0.60%
  3. Cetera Investment Advisers — 0.44%
  4. Bank of New York Mellon Corp — 0.42%
  5. Evolve Private Wealth LLC — 0.13%
  6. Ritholtz Wealth Management — 0.13%
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. Ritholtz Wealth Management
  2. Bank of New York Mellon Corp
  3. Assenagon Asset Management S.A.
Within the previous year, company insiders that have sold Emergent Biosolutions company stock include:
  1. Coleen Glessner (EVP)
  2. Donald W Degolyer (Director)
  3. Sujata Tyagi Dayal (Director)
  4. Ronald Richard (Director)
  5. Keith Katkin (Director)
  6. 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. Dimensional Fund Advisors LP
  2. Evolve Private Wealth LLC
  3. Sanctuary Advisors LLC
  4. State of Wyoming
  5. Sei Investments Co.
  6. Cetera Investment Advisers
  7. Baron Wealth Management LLC
  8. First Trust Advisors LP

Emergent Biosolutions Active Insiders

Richard S Lindahl
Richard S Lindahl (Age 61)
CFO
Kathryn C Zoon
Kathryn C Zoon
Director
1 recent trades
Keith Katkin
Keith Katkin
Director
1 recent trades
Neal Franklin Fowler
Neal Franklin Fowler
Director
Donald W Degolyer
Donald W Degolyer
Director
1 recent trades
Ronald Richard
Ronald Richard
Director
1 recent trades
Sujata Tyagi Dayal
Sujata Tyagi Dayal
Director
1 recent trades
Coleen Glessner
Coleen Glessner (Age 55)
EVP