EMERGENT BIOSOLUTIONS INC

Ticker: EBS CUSIP: 29089Q105 Class: Common Stock

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP's Holding History (CIK: 0001164508)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 54,835 Value ($000) $678 Avg Close $10.72 Range $8.58 - $13.41

Q3 2025

Shares 33,707 Value ($000) $297 Avg Close $7.78 Range $5.62 - $9.66

Q2 2022

Shares 15,945 Value ($000) $495 Avg Close $34.14 Range $26.85 - $44.04

Q4 2018

Shares 81,093 Value ($000) $4,807 Avg Close $64.47 Range $54.00 - $73.89

Q3 2018

Shares 54,800 Value ($000) $3,607 Avg Close $58.35 Range $49.93 - $67.24

Q2 2018

Shares 27,192 Value ($000) $1,373 Avg Close $52.10 Range $46.93 - $55.94

Q1 2018

Shares 56,761 Value ($000) $2,988 Avg Close $49.84 Range $42.67 - $54.87

Q1 2017

Shares 290,266 Value ($000) $8,429 Avg Close $30.44 Range $28.06 - $35.00

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	54,835	$678	$10.72	$8.58 - $13.41
Q3 2025	33,707	$297	$7.78	$5.62 - $9.66
Q2 2022	15,945	$495	$34.14	$26.85 - $44.04
Q4 2018	81,093	$4,807	$64.47	$54.00 - $73.89
Q3 2018	54,800	$3,607	$58.35	$49.93 - $67.24
Q2 2018	27,192	$1,373	$52.10	$46.93 - $55.94
Q1 2018	56,761	$2,988	$49.84	$42.67 - $54.87
Q1 2017	290,266	$8,429	$30.44	$28.06 - $35.00