Donald W DeGolyer

EBS

Donald W DeGolyer serves as director at Emergent BioSolutions Inc. (EBS). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

0 trades

$0.00

Total Sells

4 trades

$658.2K

Net Position

Net Seller

$658.2K

Companies Traded

EBS

Active Period

Nov 2024 – May 2026

4 total trades

Most Recent

Sell EBS

May 4, 2026 · $130.0K

Donald W DeGolyer's Insider Trading at Emergent BioSolutions Inc. (EBS)

Buys

0 · $0.00

Sells

4 · $658.2K

Total Shares Bought

Total Shares Sold

66,126

EBS Price Chart

Loading chart...

Date	Type	Shares	Avg Price	Value	Shares After
May 4, 2026	Sell	15,481	$8.40	$130.0K	130,675
Nov 10, 2025	Sell	17,801	$10.54	$187.6K	0
Aug 12, 2025	Sell	7,844	$8.65	$67.8K	0
Nov 12, 2024	Sell	25,000	$10.91	$272.8K	0

Related Insiders

Paul Anthony Williams

SVP, Products Business

EBSSell · Jul 2, 2026

Sujata Tyagi Dayal

Director

EBSSell · May 4, 2026

Keith Katkin

director

EBSSell · May 4, 2026

Kathryn C Zoon

Director

EBSSell · May 4, 2026

Jessica Perl

SVP, General Counsel, Corp Sec

EBSSell · Feb 9, 2026

LINDAHL RICHARD S

EVP, Chief Financial Officer

EBSSell · Feb 6, 2026

William Hartzel

SVP, Bioservices

EBSSell · Feb 6, 2026

Coleen Glessner

EVP, Quality & Ethics, and CPL

EBSSell · Feb 6, 2026

Explore More Insider Trading Data

EBS Insider Trading Activity

View all insider trades at Emergent BioSolutions Inc.

Healthcare Sector Insider Trades

See insider activity across healthcare stocks

Latest Insider Buys

Most recent insider purchases across all stocks

CEO Stock Purchases

Track CEO buying activity