Emergent BioSolutions Inc. (EBS) Insider Ownership

Historic Insider Ownership Trends

As of March 23, 2026, the three largest insider holders of EBS are Robert Kramer (President And Ceo, 506.06K shares), Joseph C Papa (President And Ceo, 305.44K shares), Richard S Lindahl (Evp, Chief Financial Officer, 215.37K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Robert Kramer President And Ceo 506,059 0 13 Jun, 2023
Joseph C Papa President And Ceo 305,445 0 05 Mar, 2026
Richard S Lindahl Evp, Chief Financial Officer 215,367 0 05 Mar, 2026
Fuad El-Hibri 0 206,434 07 Dec, 2021
Jennifer Lynne Fox Evp, Ext Aff, Gc, Corp Sec 186,382 0 12 Jul, 2024
Adam Havey Evp, Business Operations 174,398 0 13 Jun, 2023
Louis W Sullivan 139,098 0 02 May, 2025
Neal Franklin Fowler 135,503 0 02 May, 2025
Zsolt Harsanyi Chairman 123,732 0 02 May, 2025
Donald W Degolyer 119,858 0 12 Nov, 2025
Coleen Glessner Evp, Quality Ethics, And Cpl 104,108 0 05 Mar, 2026
Ronald Richard 98,417 0 09 Dec, 2025
Sujata Tyagi Dayal 88,980 0 10 Nov, 2025
Marvin L White 88,495 0 02 May, 2025
William Hartzel Svp, Bioservices 87,188 0 05 Mar, 2026
Atul Saran Evp, Chief Strat Dev Officer 86,645 0 02 Mar, 2023
Keith Katkin 86,431 0 28 May, 2025
Simon C Lowry Svp, Rd, Cmo 77,803 0 05 Mar, 2026
Kathryn C Zoon 71,799 0 18 Aug, 2025
Paul Anthony Williams Svp, Products Business 66,681 0 05 Mar, 2026
Katherine Strei Evp, Chief Hr Officer 62,824 0 02 Mar, 2023
Jessica Perl Svp, General Counsel, Corp Sec 61,004 0 05 Mar, 2026
Jerome M Hauer 57,508 0 30 May, 2023
George A Joulwan 40,244 0 31 May, 2022
Sean Kirk Evp, Manufacturing Tech Ops 17,776 0 01 Apr, 2021
Karen L. Smith Evp, Chief Medical Officer 11,888 0 11 May, 2021
John D Jr Fowler 5,006 0 05 Mar, 2026

* 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
05 Mar, 2026 Joseph C Papa Common Stock D 37,055 $8.44 305,445 D F
03 Mar, 2026 John D Jr Fowler Common Stock A 5,006 $8.99 5,006 D A
05 Mar, 2026 Simon C Lowry Common Stock D 10,636 $8.44 77,803 D F
05 Mar, 2026 Coleen Glessner Common Stock D 8,199 $8.44 104,108 D F
05 Mar, 2026 Richard S Lindahl Common Stock D 23,650 $8.44 215,367 D F
05 Mar, 2026 Paul Anthony Williams Common Stock D 9,397 $8.44 66,681 D F
05 Mar, 2026 William Hartzel Common Stock D 9,493 $8.44 87,188 D F
05 Mar, 2026 Jessica Perl Common Stock D 6,465 $8.44 61,004 D F
03 Mar, 2026 Joseph C Papa Employee Stock Option (Right to buy) A 252,194 $0.00 1,784,694 D A
03 Mar, 2026 Richard S Lindahl Employee Stock Option (Right to buy) A 72,856 $0.00 557,346 D A
03 Mar, 2026 Simon C Lowry Employee Stock Option (Right to buy) A 44,834 $0.00 147,833 D A
03 Mar, 2026 William Hartzel Employee Stock Option (Right to buy) A 44,834 $0.00 259,545 D A
03 Mar, 2026 Jessica Perl Employee Stock Option (Right to buy) A 46,702 $0.00 142,647 D A
03 Mar, 2026 Paul Anthony Williams Employee Stock Option (Right to buy) A 44,834 $0.00 254,948 D A
03 Mar, 2026 Coleen Glessner Employee Stock Option (Right to buy) A 44,834 $0.00 294,447 D A
01 Mar, 2026 Richard S Lindahl Common Stock D 683 $8.15 239,017 D F
01 Mar, 2026 Coleen Glessner Common Stock D 313 $8.15 112,307 D F
01 Mar, 2026 Paul Anthony Williams Common Stock D 116 $8.15 76,078 D F
06 Feb, 2026 Coleen Glessner Common Stock D 28,847 $10.92 115,472 D D
06 Feb, 2026 Paul Anthony Williams Common Stock D 8,655 $10.92 77,216 D D