EBSNYSE · Pharmaceutical Preparations

EMERGENT BIOSOLUTIONS INC.

Alert me on EBS

Insider buys, 6 months

Congress trades, 6 months

Signals, 6 months

Six months

After each filing

Oct 7 Sale DeGolyer Donald W Insider

1 week

−2.3%S&P −1.0%

1 month

Result in9 trading days

3 months

Result in51 trading days

6 months

Result in114 trading days

Oct 5 Sale Williams Paul Anthony Insider

1 week

−3.6%S&P +0.4%

1 month

Result in7 trading days

3 months

Result in49 trading days

6 months

Result in112 trading days

Jul 2 Sale Williams Paul Anthony Insider

1 week

−2.8%S&P +1.4%

1 month

−10.5%S&P +1.7%

3 months

−23.1%S&P +2.8%

6 months

Result in47 trading days

May 5 Sale DeGolyer Donald W Insider

1 week

−6.1%S&P +2.0%

1 month

−6.7%S&P +4.6%

3 months

−16.7%S&P +6.6%

6 months

Result in7 trading days

May 5 Sale Katkin Keith Insider

1 week

−6.1%S&P +2.0%

1 month

−6.7%S&P +4.6%

3 months

−16.7%S&P +6.6%

6 months

Result in7 trading days

Show all 13

May 5 Sale Zoon Kathryn C Insider

1 week

−6.1%S&P +2.0%

1 month

−6.7%S&P +4.6%

3 months

−16.7%S&P +6.6%

6 months

Result in7 trading days

May 5 Sale Dayal Sujata Tyagi Insider

1 week

−6.1%S&P +2.0%

1 month

−6.7%S&P +4.6%

3 months

−16.7%S&P +6.6%

6 months

Result in7 trading days

Apr 4 Sale Williams Paul Anthony Insider

1 week

+1.7%S&P +4.1%

1 month

+11.7%S&P +9.8%

3 months

+2.3%S&P +13.8%

6 months

−10.6%S&P +18.2%

Dec 10, 2025 Sale Richard Ronald Insider

1 week

+5.6%S&P −2.4%

1 month

+7.2%S&P +1.4%

3 months

−30.2%S&P −3.4%

6 months

−28.0%S&P +8.5%

Nov 13, 2025 Sale DeGolyer Donald W Insider

1 week

−12.0%S&P −2.9%

1 month

+19.5%S&P +1.3%

3 months

+3.7%S&P +1.9%

6 months

−21.2%S&P +10.5%

Nov 11, 2025 Sale Dayal Sujata Tyagi Insider

1 week

−7.0%S&P −3.4%

1 month

+7.7%S&P +0.9%

3 months

−0.3%S&P 0.0%

6 months

−24.5%S&P +10.2%

Oct 17, 2025 Sale Glessner Coleen Insider

1 week

+6.3%S&P +1.9%

1 month

+10.3%S&P +0.2%

3 months

+21.2%S&P +2.3%

6 months

−12.7%S&P +6.6%

Jan 10, 2025 Sale Rep. Steve Cohen House

1 week

+8.6%S&P +3.7%

1 month

+0.6%S&P +3.8%

3 months

−51.3%S&P −7.0%

6 months

−25.7%S&P +8.0%

Every purchase and sale on this ticker reported by a member of Congress or an insider, measured from the close of the first trading day after it became public to the close 1 week, 1 month, 3 months and 6 months later, each beside the S&P over the same days.

Filings for EBS

71 held · newest 571 held · newest 2

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See all 71 filings for EBS

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Signal history

No signal for this ticker yet. A signal is written when insider buying here scores one dot or more.

Stakes

Jun 30, 2026 Schedule 13G

American Century Investment Management, Inc.: 5.4%, 2,770,448 shares

Jun 30, 2026 Schedule 13G, amended

Vanguard Capital Management: 4.9%, 2,540,945 shares

Jun 30, 2026 Schedule 13G, amended

BlackRock, Inc.: 9%, 4,651,339 shares

Mar 31, 2026 Schedule 13G

Vanguard Capital Management: 5%, 2,605,090 shares

Mar 31, 2026 Schedule 13G

Dimensional Fund Advisors LP: 5.3%, 2,757,158 shares

Mar 13, 2026 Schedule 13G, amended

The Vanguard Group: 0%, 0 shares

Dec 31, 2025 Schedule 13G

STATE STREET CORPORATION: 5.1%, 2,696,375 shares

Dec 31, 2025 Schedule 13G, amended

The Vanguard Group: 6.8%, 3,553,999 shares

Schedule 13D is filed within 5 business days of crossing 5 percent by an investor who may seek to influence the company. Schedule 13G is filed by a passive holder, and a large institution has up to 45 days after the quarter end.

Government contracts, last 12 months

Awards of $10M and up, from USAspending · context, not a signal

Jan 8, 2026 Department of the Army $21.5M FOR THE PROCUREMENT OF BIOTHRAX (ANTHRAX VACCINE ABSORBED (AVA))

1 award, $21.5M in the last 12 monthsOriginal awards ↗

Lobbying

Last four quarters

$430KQ4 2025

$730KQ1 2026

$510KQ2 2026

$450KQ3 2026

Down 12 percent from Q2 2026. Reported by the company to the Senate each quarter.Original report ↗

Read from LDA.gov between Sep 23, 2026 and Oct 20, 2026. Senate Office of Public Records cannot vouch for the data or analyses derived from these data after the data have been retrieved from LDA.gov.