Emergent BioSolutions Inc. (EBS) Insider Ownership

Historic Insider Ownership Trends

Data spanning the past 90 days through February 07, 2026 reveals that Emergent BioSolutions's three principal insider shareholders consist of President And Ceo Robert Kramer (506.06K shares), President And Ceo Joseph C Papa (342.50K shares), Evp And Chief Financial Officer Richard S Lindahl (291.50K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares Report Date
Robert Kramer President And Ceo 506,059 13 Jun, 2023
Joseph C Papa President And Ceo 342,500 15 May, 2025
Richard S Lindahl Evp And Chief Financial Officer 291,497 17 Oct, 2025
Fuad El-Hibri 206,434 07 Dec, 2021
Jennifer Lynne Fox Evp And Ext Aff And Gc And Corp Sec 186,382 12 Jul, 2024
Adam Havey Evp And Business Operations 174,398 13 Jun, 2023
Coleen Glessner Evp And Quality & Ethics And And Cpl 144,319 16 Oct, 2025
Louis W Sullivan 139,098 02 May, 2025
Neal Franklin Fowler 135,503 02 May, 2025
Zsolt Harsanyi Chairman 123,732 02 May, 2025
Donald W Degolyer 119,858 12 Nov, 2025
William Hartzel Svp And Bioservices 103,082 13 Nov, 2025
Ronald Richard 98,417 09 Dec, 2025
Sujata Tyagi Dayal 88,980 10 Nov, 2025
Marvin L White 88,495 02 May, 2025
Simon C Lowry Svp And R&D And Cmo 88,439 16 Dec, 2025
Atul Saran Evp And Chief Strat & Dev Officer 86,645 02 Mar, 2023
Keith Katkin 86,431 28 May, 2025
Paul Anthony Williams Svp And Products Business 85,871 10 Jun, 2025
Kathryn C Zoon 71,799 18 Aug, 2025
Jessica Perl Svp And General Counsel And Corp Sec 68,387 10 Mar, 2025
Katherine Strei Evp And Chief Hr Officer 62,824 02 Mar, 2023
Jerome M Hauer 57,508 30 May, 2023
George A Joulwan 40,244 31 May, 2022
Sean Kirk Evp And Manufacturing & Tech Ops 17,776 01 Apr, 2021
Karen L. Smith Evp And Chief Medical Officer 11,888 11 May, 2021

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
14 Dec, 2025 Simon C Lowry Common Stock D 3,543 $11.41 88,439 D F
05 Dec, 2025 Ronald Richard Common Stock D 10,864 $11.90 113,301 D F
05 Dec, 2025 Ronald Richard Common Stock A 25,748 $5.02 124,165 D M
05 Dec, 2025 Ronald Richard Common Stock D 14,884 $11.90 98,417 D S
05 Dec, 2025 Ronald Richard Common Stock D 7,100 $12.11 98,417 D S
11 Nov, 2025 William Hartzel Common Stock D 610 $10.88 103,082 D F
10 Nov, 2025 Donald W Degolyer Common Stock D 17,801 $10.54 119,858 D S
07 Nov, 2025 Sujata Tyagi Dayal Common Stock D 8,552 $10.00 88,980 D S
15 Oct, 2025 Richard S Lindahl Common Stock D 4,995 $9.60 291,497 D F
07 Oct, 2025 Coleen Glessner Common Stock D 30,608 $10.00 144,319 D S
15 Aug, 2025 Kathryn C Zoon - - 71,799 D
15 Aug, 2025 Kathryn C Zoon Common Stock D 7,086 $8.87 71,799 D S
12 Aug, 2025 Donald W Degolyer Common Stock D 7,844 $8.65 137,659 D S
11 Jul, 2025 William Hartzel Common Stock D 4,263 $7.36 103,692 D F
08 Jun, 2025 Richard S Lindahl Common Stock D 2,733 $6.63 296,492 D F
08 Jun, 2025 Richard S Lindahl - - 296,492 D
08 Jun, 2025 Coleen Glessner Common Stock D 1,249 $6.63 174,927 D F
08 Jun, 2025 Paul Anthony Williams Common Stock D 464 $6.63 85,871 D F
08 Jun, 2025 William Hartzel Common Stock D 1,167 $6.63 107,955 D F
23 May, 2025 Keith Katkin Common Stock D 7,844 $6.30 86,431 D S