Coleen Glessner Emergent Bio Solutions Inc. (EBS) insider trading activity

Coleen Glessner is EVP, Quality & Ethics, and CPL of Emergent BioSolutions Inc.. Currently has a direct ownership of 144,319 shares of EBS, which is worth approximately $1.46 Million. The most recent transaction as insider was on Oct 07, 2025, when has been sold 30,608 shares (Common Stock) at a price of $10.0 per share, resulting in proceeds of $306,080. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 144K

17.5% 3M change

0.1% 12M change

Total Value Held $1.46 Million

Coleen Glessner Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Oct 07 2025	SELL Open market or private sale	$306,080 $10.0 p/Share	30,608 Reduced 17.5%	144,319 Common Stock
Jun 08 2025	SELL Payment of exercise price or tax liability	$8,280 $6.63 p/Share	1,249 Reduced 0.71%	174,927 Common Stock
Apr 07 2025	SELL Payment of exercise price or tax liability	$2,131 $4.44 p/Share	480 Reduced 0.27%	176,176 Common Stock
Mar 06 2025	BUY Grant, award, or other acquisition	-	62,500 Added 26.13%	176,656 Common Stock
Mar 01 2025	SELL Payment of exercise price or tax liability	$2,341 $7.48 p/Share	313 Reduced 0.27%	114,156 Common Stock
Feb 12 2025	SELL Sale (or disposition) back to the issuer	-	29,991 Reduced 20.76%	114,469 Common Stock
Dec 08 2024	SELL Payment of exercise price or tax liability	$168,252 $9.01 p/Share	18,674 Reduced 11.45%	144,460 Common Stock

Jun 08 2024	SELL Payment of exercise price or tax liability	$7,731 $6.19 p/Share	1,249 Reduced 0.76%	163,134 Common Stock
Apr 07 2024	SELL Payment of exercise price or tax liability	$1,339 $2.29 p/Share	585 Reduced 0.35%	164,383 Common Stock
Mar 01 2024	SELL Payment of exercise price or tax liability	$1,291 $3.39 p/Share	381 Reduced 0.23%	164,968 Common Stock
Jun 09 2023	BUY Grant, award, or other acquisition	-	46,155 Added 21.82%	165,349 Common Stock
Apr 07 2023	BUY Payment of exercise price or tax liability	-	480 Added 0.4%	120,154 Common Stock
Mar 02 2023	BUY Grant, award, or other acquisition	-	11,538 Added 8.79%	119,674 Common Stock
Dec 09 2022	BUY Grant, award, or other acquisition	-	96,310 Added 47.11%	108,136 Common Stock
Apr 08 2022	BUY Grant, award, or other acquisition	-	11,826 Added 50.0%	11,826 Common Stock

Coleen Glessner

EVP, Quality & Ethics, and CPL

Gaithersburg, MD

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