Quick Takeaways
- EBS - Emergent BioSolutions Inc. has 27 insiders with reported activity on this page.
- Net insider value flow over the last year: -$706,361.
- Recent transaction rows are available for direct filing-level review.
- Info
- Insider Trading
- Financials
- Holders
Insider Transactions Reported by 27 Insiders of Emergent BioSolutions Inc.
- Symbol
- EBS on NYSE
- Location
- Gaithersburg, MD
What Changed
- Buy value: $349,800; sell value: $1,056,160.
- Net share flow: -45,719.
Why This Matters
- This page gives a plain-language issuer insider context before you inspect transaction-level evidence.
- Use the filing links below to verify timestamps, codes, and ownership impacts directly from SEC forms.
Official SEC Source
Insider trading overview
Last 12 monthsNet insider flow leans to selling over the last 12 months. Net value: -$706,361.
Buys
$349,800
Shares: 60,000
Insiders: 1
Sells
$1,056,161
Shares: 105,719
Insiders: 7
Net
-$706,361
Shares: -45,719
Insiders: -6
| Window (months) | Buy shares | Sell shares | Buy $ | Sell $ | Net $ |
|---|---|---|---|---|---|
| 0-3 | 0 | 4,000 | $0 | $33,760 | -$33,760 |
| 3-6 | 0 | 48,337 | $0 | $536,220 | -$536,220 |
| 6-9 | 0 | 45,538 | $0 | $436,764 | -$436,764 |
| 9-12 | 60,000 | 7,844 | $349,800 | $49,417 | +$300,383 |
Emergent BioSolutions Inc. executives and other stock owners filed with the SEC include:
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Joseph C. Papa | President and CEO, Director | $3,356,840 | +$349,800 | +12% | Mixed | 03 Mar 2026 |
| Fuad El-Hibri | Director | $2,444,997 | Mixed | 03 Dec 2021 | ||
| Richard S. Lindahl | EVP, Chief Financial Officer | $2,366,883 | Mixed | 03 Mar 2026 | ||
| Jennifer Lynne Fox | EVP, Ext Aff, GC, Corp Sec | $1,515,286 | Mixed | 11 Jul 2024 | ||
| Donald W. DeGolyer | Director | $1,263,303 | -$255,454 | -17% | Filing P/S | 10 Nov 2025 |
| Ronald Richard | Director | $1,170,945 | -$263,077 | -18% | Filing P/S | 05 Dec 2025 |
| Coleen Glessner | EVP, Quality & Ethics, and CPL | $1,144,146 | -$306,080 | -21% | Mixed | 03 Mar 2026 |
| William Hartzel | SVP, Bioservices | $958,196 | Mixed | 03 Mar 2026 | ||
| Robert Kramer | President and CEO, Director | $921,027 | Mixed | 09 Jun 2023 | ||
| Sujata Tyagi Dayal | Director | $889,800 | -$85,520 | -8.8% | Filing P/S | 07 Nov 2025 |
| Simon C. Lowry | Svp, R&D, Cmo | $855,054 | Mixed | 03 Mar 2026 | ||
| Jessica Perl | SVP, General Counsel, Corp Sec | $670,433 | Mixed | 03 Mar 2026 | ||
| Kathryn C. Zoon | Director | $636,857 | -$62,853 | -9% | Filing P/S | 15 Aug 2025 |
| Louis W. Sullivan | Director | $610,640 | Mixed | 30 Apr 2025 | ||
| Neal Franklin Fowler | Director | $594,858 | Mixed | 30 Apr 2025 | ||
| Keith Katkin | Director | $544,515 | -$49,417 | -8.3% | Filing P/S | 23 May 2025 |
| Zsolt Harsanyi | Chairman, Director | $543,183 | Mixed | 30 Apr 2025 | ||
| Paul Anthony Williams | SVP, Products Business | $529,027 | -$33,760 | -6% | Filing P/S | 01 Apr 2026 |
| Marvin L. White | Director | $388,493 | Mixed | 30 Apr 2025 | ||
| Adam Havey | EVP, Business Operations | $317,404 | Mixed | 09 Jun 2023 | ||
| Atul Saran | EVP, Chief Strat & Dev Officer | $157,694 | Mixed | 28 Feb 2023 | ||
| Katherine Strei | EVP, Chief HR Officer | $114,340 | Mixed | 28 Feb 2023 | ||
| Jerome M. Hauer | Director | $104,665 | Mixed | 25 May 2023 | ||
| George A. Joulwan | Director | $73,244 | Mixed | 26 May 2022 | ||
| John D. Fowler Jr. | Director | $55,015 | Mixed | 03 Mar 2026 | ||
| Karen L. Smith | EVP, Chief Medical Officer | $21,636 | Mixed | 07 May 2021 | ||
| H. Haywood Miller III | Interim CEO | Mixed | 24 Jun 2023 |
Top shareholders of Emergent BioSolutions Inc. (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| BlackRock, Inc. |
13F
13D/G
|
Company |
7.3%
from 13D/G
|
4,254,397
|
$52,584,347 | — | 31 Dec 2025 | |
| OAK HILL ADVISORS LP |
13F
|
Company |
6.9%
|
3,613,338
|
$44,660,858 | — | 31 Dec 2025 | |
| VANGUARD GROUP INC |
13F
|
Company |
6.8%
|
3,553,999
|
$43,927,428 | — | 31 Dec 2025 | |
| STATE STREET CORP |
13D/G
13F
|
STATE STREET CORPORATION · Company |
5.1%
|
2,696,375
|
$33,408,086 | $0 | 31 Dec 2025 | |
| AMERICAN CENTURY COMPANIES INC |
13F
|
Company |
4.7%
|
2,439,439
|
$30,151,466 | — | 31 Dec 2025 | |
| DIMENSIONAL FUND ADVISORS LP |
13F
13D/G
|
Company |
5.3%
from 13D/G
|
2,252,605
|
$27,840,949 | — | 31 Dec 2025 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
|
Company |
3.1%
|
1,618,903
|
$20,009,641 | — | 31 Dec 2025 | |
| PALISADE CAPITAL MANAGEMENT, LP |
13F
|
Company |
2.4%
|
1,265,766
|
$15,644,863 | — | 31 Dec 2025 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
2.4%
|
1,250,010
|
$15,453,820 | — | 31 Dec 2025 | |
| MORGAN STANLEY |
13F
|
Company |
2.2%
|
1,157,696
|
$14,309,141 | — | 31 Dec 2025 | |
| ACADIAN ASSET MANAGEMENT LLC |
13F
|
Company |
2.1%
|
1,110,682
|
$13,723,000 | — | 31 Dec 2025 | |
| Jain Global LLC |
13F
|
Company |
1.8%
|
942,691
|
$11,651,661 | — | 31 Dec 2025 | |
| LSV ASSET MANAGEMENT |
13F
|
Company |
1.7%
|
901,000
|
$11,136,000 | — | 31 Dec 2025 | |
| Connor, Clark & Lunn Investment Management Ltd. |
13F
|
Company |
1.5%
|
777,999
|
$9,616,068 | — | 31 Dec 2025 | |
| PRESCOTT GROUP CAPITAL MANAGEMENT, L.L.C. |
13F
|
Company |
1.5%
|
772,771
|
$9,551,450 | — | 31 Dec 2025 | |
| MARSHALL WACE, LLP |
13F
|
Company |
1.4%
|
743,455
|
$9,189,104 | — | 31 Dec 2025 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
1.4%
|
740,100
|
$9,147,636 | — | 31 Dec 2025 | |
| D. E. Shaw & Co., Inc. |
13F
|
Company |
1.4%
|
723,217
|
$8,938,962 | — | 31 Dec 2025 | |
| NORTHERN TRUST CORP |
13F
|
Company |
1.1%
|
580,622
|
$7,176,487 | — | 31 Dec 2025 | |
| RENAISSANCE TECHNOLOGIES LLC |
13F
|
Company |
1.1%
|
577,147
|
$7,133,537 | — | 31 Dec 2025 | |
| NEW YORK STATE COMMON RETIREMENT FUND |
13F
|
Company |
1%
|
522,004
|
$6,451,969 | — | 31 Dec 2025 | |
| AQR CAPITAL MANAGEMENT LLC |
13F
|
Company |
0.92%
|
478,029
|
$5,908,438 | — | 31 Dec 2025 | |
| FEDERATED HERMES, INC. |
13F
|
Company |
0.84%
|
434,774
|
$5,373,807 | — | 31 Dec 2025 | |
| JANE STREET GROUP, LLC |
13F
|
Company |
0.76%
|
395,457
|
$4,887,849 | — | 31 Dec 2025 | |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP |
13F
|
Company |
0.73%
|
377,712
|
$4,668,520 | — | 31 Dec 2025 | |
| O'SHAUGHNESSY ASSET MANAGEMENT, LLC |
13F
|
Company |
0.72%
|
373,902
|
$4,621,429 | — | 31 Dec 2025 | |
| UBS Group AG |
13F
|
Company |
0.67%
|
347,805
|
$4,298,870 | — | 31 Dec 2025 | |
| HRT FINANCIAL LP |
13F
|
Company |
0.6%
|
311,784
|
$3,853,000 | — | 31 Dec 2025 | |
| Values First Advisors, Inc. |
13F
|
Company |
0.59%
|
305,046
|
$3,770,373 | — | 31 Dec 2025 | |
| Trexquant Investment LP |
13F
|
Company |
0.58%
|
301,689
|
$3,728,876 | — | 31 Dec 2025 | |
| Allianz Asset Management GmbH |
13F
|
Company |
0.56%
|
290,701
|
$3,593,064 | — | 31 Dec 2025 | |
| Joseph C. Papa |
3/4/5
|
President and CEO, Director |
—
mixed-class rows
|
3,622,639
mixed-class rows
|
$3,356,840 | +$349,800 | 03 Mar 2026 | |
| Russell Investments Group, Ltd. |
13F
|
Company |
0.52%
|
269,965
|
$3,336,765 | — | 31 Dec 2025 | |
| TWO SIGMA INVESTMENTS, LP |
13F
|
Company |
0.5%
|
258,500
|
$3,195,060 | — | 31 Dec 2025 | |
| Bank of New York Mellon Corp |
13F
|
Company |
0.47%
|
244,512
|
$3,022,163 | — | 31 Dec 2025 | |
| GLOBEFLEX CAPITAL L P |
13F
|
Company |
0.46%
|
241,298
|
$2,982,443 | — | 31 Dec 2025 | |
| MILLENNIUM MANAGEMENT LLC |
13F
|
Company |
0.46%
|
237,674
|
$2,937,651 | — | 31 Dec 2025 | |
| CITADEL ADVISORS LLC |
13F
|
Company |
0.45%
|
232,019
|
$2,867,755 | — | 31 Dec 2025 | |
| Morse Asset Management, Inc |
13F
|
Company |
0.44%
|
229,308
|
$2,834,247 | — | 31 Dec 2025 | |
| Cetera Investment Advisers |
13F
|
Company |
0.42%
|
219,483
|
$2,712,810 | — | 31 Dec 2025 | |
| TRUIST FINANCIAL CORP |
13F
|
Company |
0.42%
|
219,452
|
$2,712,431 | — | 31 Dec 2025 | |
| Invesco Ltd. |
13F
|
Company |
0.4%
|
206,002
|
$2,546,185 | — | 31 Dec 2025 | |
| Fuad El-Hibri |
3/4/5
|
Director |
—
class O/S missing
|
1,343,405
|
$2,444,997 | — | 03 Dec 2021 | |
| Richard S. Lindahl |
3/4/5
|
EVP, Chief Financial Officer |
—
mixed-class rows
|
1,257,203
mixed-class rows
|
$2,366,883 | — | 03 Mar 2026 | |
| DEUTSCHE BANK AG\ |
13F
|
Company |
0.35%
|
181,744
|
$2,246,356 | — | 31 Dec 2025 | |
| Squarepoint Ops LLC |
13F
|
Company |
0.34%
|
178,295
|
$2,203,726 | — | 31 Dec 2025 | |
| WOLVERINE ASSET MANAGEMENT LLC |
13F
|
Company |
0.34%
|
174,933
|
$2,162,172 | — | 31 Dec 2025 | |
| Ancora Advisors LLC |
13F
|
Company |
0.33%
|
170,469
|
$2,106,997 | — | 31 Dec 2025 | |
| WELLINGTON MANAGEMENT GROUP LLP |
13F
|
Company |
0.32%
|
168,643
|
$2,084,428 | — | 31 Dec 2025 | |
| Coppell Advisory Solutions LLC |
13F
|
Company |
0.31%
|
161,307
|
$1,961,493 | — | 31 Dec 2025 |
Recent Insider Transactions by Companies or Individuals for Emergent BioSolutions Inc.
Showing up to 300 most recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | Value $ | * Price $ | Shares | Shares Owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Paul Anthony Williams | EBS | Common Stock | Sale | -6% | $33,760 | $8.44 | -4,000 | 62,681 | 01 Apr 2026 | Direct |
| Joseph C. Papa | EBS | Common Stock | Tax liability | -10.8% | -37,055 | 305,445 | 05 Mar 2026 | Direct | ||
| Simon C. Lowry | EBS | Common Stock | Tax liability | -12% | -10,636 | 77,803 | 05 Mar 2026 | Direct | ||
| William Hartzel | EBS | Common Stock | Tax liability | -9.82% | -9,493 | 87,188 | 05 Mar 2026 | Direct | ||
| Jessica Perl | EBS | Common Stock | Tax liability | -9.58% | -6,465 | 61,004 | 05 Mar 2026 | Direct | ||
| Paul Anthony Williams | EBS | Common Stock | Tax liability | -12.4% | -9,397 | 66,681 | 05 Mar 2026 | Direct | ||
| Richard S. Lindahl | EBS | Common Stock | Tax liability | -9.89% | -23,650 | 215,367 | 05 Mar 2026 | Direct | ||
| Coleen Glessner | EBS | Common Stock | Tax liability | -7.3% | -8,199 | 104,108 | 05 Mar 2026 | Direct | ||
| Joseph C. Papa | EBS | Employee Stock Option (Right to buy) | Award | 16.5% | 252,194 | 1,784,694 | 03 Mar 2026 | Direct | ||
| John D. Fowler Jr. | EBS | Common Stock | Award | 5,006 | 5,006 | 03 Mar 2026 | Direct | |||
| Simon C. Lowry | EBS | Employee Stock Option (Right to buy) | Award | 43.5% | 44,834 | 147,833 | 03 Mar 2026 | Direct | ||
| William Hartzel | EBS | Employee Stock Option (Right to buy) | Award | 20.9% | 44,834 | 259,545 | 03 Mar 2026 | Direct | ||
| Jessica Perl | EBS | Employee Stock Option (Right to buy) | Award | 48.7% | 46,702 | 142,647 | 03 Mar 2026 | Direct | ||
| Paul Anthony Williams | EBS | Employee Stock Option (Right to buy) | Award | 21.3% | 44,834 | 254,948 | 03 Mar 2026 | Direct | ||
| Richard S. Lindahl | EBS | Employee Stock Option (Right to buy) | Award | 15% | 72,856 | 557,346 | 03 Mar 2026 | Direct | ||
| Coleen Glessner | EBS | Employee Stock Option (Right to buy) | Award | 18% | 44,834 | 294,447 | 03 Mar 2026 | Direct | ||
| Paul Anthony Williams | EBS | Common Stock | Tax liability | -0.15% | -116 | 76,078 | 01 Mar 2026 | Direct | ||
| Richard S. Lindahl | EBS | Common Stock | Tax liability | -0.28% | -683 | 239,017 | 01 Mar 2026 | Direct | ||
| Coleen Glessner | EBS | Common Stock | Tax liability | -0.28% | -313 | 112,307 | 01 Mar 2026 | Direct | ||
| Richard S. Lindahl | EBS | Employee Stock Option (Right to buy) | Expiration (or cancellation) of long derivative position with value received | -100% | -20,321 | 0 | 25 Feb 2026 | Direct | ||
| Jessica Perl | EBS | Common Stock | Tax liability | -1.34% | -918 | 67,469 | 09 Feb 2026 | Direct | ||
| Coleen Glessner | EBS | Common Stock | Tax liability | -2.47% | -2,852 | 112,620 | 06 Feb 2026 | Direct | ||
| Coleen Glessner | EBS | Common Stock | Disposed to Issuer | -20% | -28,847 | 115,472 | 06 Feb 2026 | Direct | ||
| Paul Anthony Williams | EBS | Common Stock | Tax liability | -1.32% | -1,022 | 76,194 | 06 Feb 2026 | Direct | ||
| Paul Anthony Williams | EBS | Common Stock | Disposed to Issuer | -10.1% | -8,655 | 77,216 | 06 Feb 2026 | Direct | ||
| William Hartzel | EBS | Common Stock | Tax liability | -0.65% | -630 | 96,681 | 06 Feb 2026 | Direct | ||
| William Hartzel | EBS | Common Stock | Disposed to Issuer | -5.6% | -5,771 | 97,311 | 06 Feb 2026 | Direct | ||
| Richard S. Lindahl | EBS | Common Stock | Tax liability | -2.3% | -5,642 | 239,700 | 06 Feb 2026 | Direct | ||
| Richard S. Lindahl | EBS | Common Stock | Disposed to Issuer | -15.8% | -46,155 | 245,342 | 06 Feb 2026 | Direct | ||
| Simon C. Lowry | EBS | Common Stock | Tax liability | -3.85% | -3,543 | 88,439 | 14 Dec 2025 | Direct | ||
| Ronald Richard | EBS | Common Stock | Tax liability | -8.75% | -10,864 | 113,301 | 05 Dec 2025 | Direct | ||
| Ronald Richard | EBS | Common Stock | Options Exercise | 26.2% | 25,748 | 124,165 | 05 Dec 2025 | Direct | ||
| Ronald Richard | EBS | Common Stock | Sale | -18.3% | $263,077 | $11.97 | -21,984 | 98,417 | 05 Dec 2025 | Direct |
| Ronald Richard | EBS | Stock Option (Right to Buy) | Options Exercise | -100% | -25,748 | 0 | 05 Dec 2025 | Direct | ||
| William Hartzel | EBS | Common Stock | Tax liability | -0.59% | -610 | 103,082 | 11 Nov 2025 | Direct | ||
| Donald W. DeGolyer | EBS | Common Stock | Sale | -12.9% | $187,623 | $10.54 | -17,801 | 119,858 | 10 Nov 2025 | Direct |
| Sujata Tyagi Dayal | EBS | Common Stock | Sale | -8.77% | $85,520 | $10.00 | -8,552 | 88,980 | 07 Nov 2025 | Direct |
| Richard S. Lindahl | EBS | Common Stock | Tax liability | -1.68% | -4,995 | 291,497 | 15 Oct 2025 | Direct | ||
| Coleen Glessner | EBS | Common Stock | Sale | -17.5% | $306,080 | $10.00 | -30,608 | 144,319 | 07 Oct 2025 | Direct |
| Kathryn C. Zoon | EBS | Common Stock | Sale | -8.98% | $62,853 | $8.87 | -7,086 | 71,799 | 15 Aug 2025 | Direct |
| Donald W. DeGolyer | EBS | Common Stock | Sale | -5.39% | $67,831 | $8.65 | -7,844 | 137,659 | 12 Aug 2025 | Direct |
| William Hartzel | EBS | Common Stock | Tax liability | -3.95% | -4,263 | 103,692 | 11 Jul 2025 | Direct | ||
| William Hartzel | EBS | Common Stock | Tax liability | -1.07% | -1,167 | 107,955 | 08 Jun 2025 | Direct | ||
| Coleen Glessner | EBS | Common Stock | Tax liability | -0.71% | -1,249 | 174,927 | 08 Jun 2025 | Direct | ||
| Paul Anthony Williams | EBS | Common Stock | Tax liability | -0.54% | -464 | 85,871 | 08 Jun 2025 | Direct | ||
| Richard S. Lindahl | EBS | Common Stock | Tax liability | -0.91% | -2,733 | 296,492 | 08 Jun 2025 | Direct | ||
| Keith Katkin | EBS | Common Stock | Sale | -8.32% | $49,417 | $6.30 | -7,844 | 86,431 | 23 May 2025 | Direct |
| Joseph C. Papa | EBS | Common Stock | Purchase | 21.2% | $349,800 | $5.83 | 60,000 | 342,500 | 13 May 2025 | Direct |
| Richard S. Lindahl | EBS | Employee Stock Option (Right to buy) | Expiration (or cancellation) of long derivative position with value received | -100% | -19,963 | 0 | 07 May 2025 | Direct | ||
| Ronald Richard | EBS | Common Stock | Award | 48.4% | 34,403 | 105,517 | 30 Apr 2025 | Direct |
* An asterisk sign (*) next to the price indicates that the price is likely invalid.