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Emergent BioSolutions Inc.

EBS
Exchange
NYSE
Industry
Pharmaceutical Preparations
SEC CIK
0001367644

In the last 90 days, Emergent BioSolutions Inc. insiders filed 0 open-market purchases and 1 sale; 194 institutions reported holding it in 13F filings for Q2 2026, worth $374.1M in total; no superinvestor holds it.

Open-market trades, last 90 days

Open-market purchases (P) and sales (S) by Emergent BioSolutions Inc. insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.

Open-market buys
0 filings
Open-market sells
1 filing
1 insider, $25.2K in total
Insiders trading
1
Net value
−$25.2K
Purchases minus sales

Insider roster

Directors, officers and 10% owners who have filed a Form 4 for Emergent BioSolutions Inc., current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.

Insider roster for Emergent BioSolutions Inc.
NameTitleLast reported holdingLast filingFilings, past year
Williams Paul AnthonySVP, Products Business159,098Jul 2, 20267
Lindahl Richard SEVP, Chief Financial Officer374,083Jun 10, 20267
Glessner ColeenEVP, Quality & Ethics, and CPL202,201Jun 10, 20266
Hartzel WilliamSVP, Bioservices185,558Jun 10, 20265
Fowler John D JrDirector30,350May 4, 20262
Katkin KeithDirector96,294May 4, 20261
Richard RonaldDirector123,761May 4, 20262
Harsanyi ZsoltChairman149,076May 4, 20261
White Marvin LDirector113,839May 4, 20261
Fowler Neal FranklinDirector160,847May 4, 20261
Dayal Sujata TyagiDirector100,563May 4, 20262
DeGolyer Donald WDirector129,721May 4, 20262
Zoon Kathryn CDirector79,941May 4, 20261
Papa Joseph CPresident and CEO493,153May 1, 20262
Perl JessicaSVP, General Counsel, Corp Sec165,286May 1, 20263
Lowry Simon CSVP, R&D, CMO177,914May 1, 20263
Sullivan Louis WDirector139,098May 2, 20250
Fox Jennifer LynneEVP, Ext Aff, GC, Corp Sec186,382Jul 12, 20240
Kramer RobertPresident and CEO506,059Jun 13, 20230
Havey AdamEVP, Business Operations174,398Jun 13, 20230
Hauer Jerome MDirector57,508May 30, 20230
Saran AtulEVP, Chief Strat & Dev Officer86,645Mar 2, 20230
Strei KatherineEVP, Chief HR Officer62,824Mar 2, 20230
Joulwan George ADirector40,244May 31, 20220
El-Hibri FuadDirector206,434IndirectDec 7, 20210

Insider trades

Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Jul 2, 2026 (view filing)12:57 PM ETJul 11 dayWilliams Paul AnthonySVP, Products BusinessSSale−3.00K$8.40−$25.2K−1.9%159.1K after10b5-1
May 4, 2026 (view filing)May 13 daysZoon Kathryn CDirectorSSale−17.2K$8.40−$144.5K−17.7%79.9K after2 lots10b5-1
May 4, 2026 (view filing)May 13 daysDeGolyer Donald WDirectorSSale−15.5K$8.40−$130.0K−10.7%129.7K after2 lots10b5-1
May 4, 2026 (view filing)May 13 daysDayal Sujata TyagiDirectorSSale−13.8K$8.40−$115.6K−12.0%100.6K after2 lots10b5-1
May 4, 2026 (view filing)Apr 304 daysKatkin KeithDirectorSSale−15.5K$8.28−$128.2K−13.9%96.3K after10b5-1
Apr 3, 2026 (view filing)Apr 12 daysWilliams Paul AnthonySVP, Products BusinessSSale−4.00K$8.44−$33.8K−6.0%62.7K after10b5-1
Dec 9, 2025 (view filing)Dec 54 daysRichard RonaldDirectorSSale−22.0K$11.97−$263.1K−18.3%98.4K after2 lots
Nov 12, 2025 (view filing)Nov 102 daysDeGolyer Donald WDirectorSSale−17.8K$10.54−$187.6K−12.9%119.9K after
Nov 10, 2025 (view filing)Nov 73 daysDayal Sujata TyagiDirectorSSale−8.55K$10.00−$85.5K−8.8%89.0K after
Oct 16, 2025 (view filing)Oct 79 daysLateGlessner ColeenEVP, Quality & Ethics, and CPLSSale−30.6K$10.00−$306.1K−17.5%144.3K after
Aug 18, 2025 (view filing)Aug 153 daysZoon Kathryn CDirectorSSale−7.09K$8.87−$62.9K−9.0%71.8K after10b5-1
Aug 13, 2025 (view filing)Aug 121 dayDeGolyer Donald WDirectorSSale−7.84K$8.65−$67.9K−5.4%137.7K after
May 28, 2025 (view filing)May 235 daysKatkin KeithDirectorSSale−7.84K$6.30−$49.4K−8.3%86.4K after10b5-1
May 15, 2025 (view filing)May 132 daysPapa Joseph CPresident and CEOPPurchase+60.0K$5.83+$349.8K+21.2%342.5K after
Mar 12, 2025 (view filing)Mar 12Same dayFowler Neal FranklinDirectorSSale−35.0K$5.83−$204.1K−25.7%101.1K after
Mar 12, 2025 (view filing)Mar 12Same dayZoon Kathryn CDirectorSSale−10.0K$5.73−$57.3K−18.4%44.5K after
Nov 14, 2024 (view filing)Nov 122 daysDeGolyer Donald WDirectorSSale−25.0K$10.91−$272.8K−18.4%111.1K after
Nov 13, 2024 (view filing)Nov 112 daysWhite Marvin LDirectorSSale−14.3K$11.97−$171.0K−20.9%54.1K after
Jun 6, 2024 (view filing)Jun 42 daysZoon Kathryn CDirectorSSale−10.0K$6.11−$61.1K−15.5%54.5K after
May 31, 2024 (view filing)May 292 daysZoon Kathryn CDirectorSSale−1.83K$4.61−$8.44K−2.8%64.5K after
May 23, 2024 (view filing)May 212 daysZoon Kathryn CDirectorSSale−1.09K$5.78−$6.29K−2.2%48.9K after
Jul 24, 2023 (view filing)May 25-Jun 260 daysLateZoon Kathryn CDirectorSSale−3.53K$8.36−$29.5K−6.6%50.0K after2 lots10b5-1
Nov 29, 2022 (view filing)Nov 254 daysRichard RonaldDirectorSSale−1.91K$11.94−$22.8K−8.8%19.8K after
Jun 13, 2022 (view filing)Jun 94 daysZoon Kathryn CDirectorSSale−1.17K$31.52−$37.0K−5.6%19.7K after
May 25, 2022 (view filing)May 241 dayZoon Kathryn CDirectorSSale−2.00K$35.53−$70.9K−13.9%12.4K after
Nov 15, 2021 (view filing)Nov 15Same dayLindahl Richard SEVP, Chief Financial OfficerPPurchase+3.00K$37.46+$112.4K+8.1%39.9K after