Emergent BioSolutions Inc. (EBS) Insider Ownership

Historic Insider Ownership Trends

EBS's three largest insider shareholders as of April 22, 2026 are Robert Kramer (President And Ceo, 506.06K shares), Fuad El-Hibri (Director, 206.43K shares), Adam Havey (Evp, Business Operations, 174.40K 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
Fuad El-Hibri - 0 206,434 07 Dec, 2021
Adam Havey Evp, Business Operations 174,398 0 13 Jun, 2023
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
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
Katherine Strei Evp, Chief Hr Officer 62,824 0 02 Mar, 2023
Paul Anthony Williams Svp, Products Business 62,681 0 03 Apr, 2026
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
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
01 Apr, 2026 Paul Anthony Williams Common Stock D 4,000 $8.44 62,681 D S
05 Mar, 2026 Simon C Lowry Common Stock D 10,636 $8.44 77,803 D F
05 Mar, 2026 Jessica Perl Common Stock D 6,465 $8.44 61,004 D F
05 Mar, 2026 Paul Anthony Williams Common Stock D 9,397 $8.44 66,681 D F
05 Mar, 2026 Coleen Glessner Common Stock D 8,199 $8.44 104,108 D F
03 Mar, 2026 John D Jr Fowler Common Stock A 5,006 $8.99 5,006 D A
05 Mar, 2026 William Hartzel Common Stock D 9,493 $8.44 87,188 D F
03 Mar, 2026 William Hartzel Employee Stock Option (Right to buy) A 44,834 $0.00 259,545 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 Coleen Glessner Employee Stock Option (Right to buy) A 44,834 $0.00 294,447 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 Jessica Perl Employee Stock Option (Right to buy) A 46,702 $0.00 142,647 D A
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
09 Feb, 2026 Jessica Perl Common Stock D 918 $11.03 67,469 D F
06 Feb, 2026 William Hartzel Common Stock D 5,771 $10.92 97,311 D D
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
06 Feb, 2026 Paul Anthony Williams Common Stock D 1,022 $10.92 76,194 D F
06 Feb, 2026 William Hartzel Common Stock D 630 $10.92 96,681 D F