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Who

Kathryn C. Zoon

Director

Company insider

Files Form 4 as: Director, Emergent BioSolutions.

In numbers

Trades disclosed
44
Buys
0
Sells
23
Bought
$0
Sold
$2.3M
Companies
1
Companies where not an officer
1
First trade
8 Nov 2016
Last trade
1 May 2026
Last filed
4 May 2026

Companies traded

Everywhere else they filed: board seats, 10% stakes, other companies
EBS Emergent BioSolutionsDirector · Biotechnology · last 1 May 20260 buys · 23 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
10Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
1 May 2026filed 4 May 2026EBS Emergent BioSolutionsBiotechnologySEC FORM 4 Sold$135K16,145 at $8.36filing
1 May 2026filed 4 May 2026EBS Emergent BioSolutionsBiotechnologySEC FORM 4 Sold$9,4811,057 at $8.97filing
1 May 2026filed 4 May 2026EBS Emergent BioSolutionsBiotechnologySEC FORM 4 Sold$135K16,145 at $8.36filing
1 May 2026filed 4 May 2026EBS Emergent BioSolutionsBiotechnologySEC FORM 4 Sold$9,4811,057 at $8.97filing
30 Apr 2026filed 4 May 2026EBS Emergent BioSolutionsBiotechnologySEC FORM 4 Code A—25,344 at $0.00filing
30 Apr 2026filed 4 May 2026EBS Emergent BioSolutionsoption or derivative · BiotechnologySEC FORM 4 Code A—11,296 at $0.00filing
30 Apr 2026filed 4 May 2026EBS Emergent BioSolutionsoption or derivative · BiotechnologySEC FORM 4 Code A—11,296 at $0.00filing
30 Apr 2026filed 4 May 2026EBS Emergent BioSolutionsBiotechnologySEC FORM 4 Code A—25,344 at $0.00filing
15 Aug 2025filed 18 Aug 2025EBS Emergent BioSolutionsBiotechnologySEC FORM 4 Sold$63K7,086 at $8.87filing
30 Apr 2025filed 2 May 2025EBS Emergent BioSolutionsoption or derivative · BiotechnologySEC FORM 4 Code A—15,824 at $0.00filing
30 Apr 2025filed 2 May 2025EBS Emergent BioSolutionsBiotechnologySEC FORM 4 Code A—34,403 at $0.00filing
12 Mar 2025filed 12 Mar 2025EBS Emergent BioSolutionsBiotechnologySEC FORM 4 Sold$57K10,000 at $5.73filing
4 Jun 2024filed 6 Jun 2024EBS Emergent BioSolutionsBiotechnologySEC FORM 4 Sold$61K10,000 at $6.11filing
29 May 2024filed 31 May 2024EBS Emergent BioSolutionsBiotechnologySEC FORM 4 Sold$8,4361,830 at $4.61filing
23 May 2024filed 28 May 2024EBS Emergent BioSolutionsoption or derivative · BiotechnologySEC FORM 4 Code A—25,748 at $0.00filing
23 May 2024filed 28 May 2024EBS Emergent BioSolutionsBiotechnologySEC FORM 4 Code A—17,430 at $0.00filing
21 May 2024filed 23 May 2024EBS Emergent BioSolutionsBiotechnologySEC FORM 4 Sold$6,2941,089 at $5.78filing
2 Jun 2023filed 24 Jul 2023EBS Emergent BioSolutionsBiotechnologySEC FORM 4 Sold$15K1,830 at $8.35filing
25 May 2023filed 24 Jul 2023EBS Emergent BioSolutionsBiotechnologySEC FORM 4 Sold$14K1,700 at $8.38filing
25 May 2023filed 30 May 2023EBS Emergent BioSolutionsBiotechnologySEC FORM 4 Code A—33,847 at $0.00filing

News

Comparing Monte Rosa Therapeutics (NASDAQ:GLUE) and Emergent Biosolutions (NYSE:EBS)EBS · tickerreport.com · 16 Oct 2026

0 headlines in the last 90 days name Kathryn C. Zoon; 1 article from the last 14 days about the 1 company they traded most, at most three about any one of them.

Sectors

Health Care23

Buys in green, sells in red, by the company’s sector.

Related people

Donald W. DeGolyerDirector · Director at Emergent BioSolutions, filing Form 4 there in the last year
Paul Anthony WilliamsSVP, Products Business · SVP, Products Business at Emergent BioSolutions, filing Form 4 there in the last year
Richard S. LindahlEVP, Chief Financial Officer · EVP, Chief Financial Officer at Emergent BioSolutions, filing Form 4 there in the last year
William HartzelSVP, Bioservices · SVP, Bioservices at Emergent BioSolutions, filing Form 4 there in the last year
Coleen GlessnerEVP, Quality & Ethics, and CPL · EVP, Quality & Ethics, and CPL at Emergent BioSolutions, filing Form 4 there in the last year