ALTIMMUNE INC

Ticker: ALT CUSIP: 02155H200 Class: COM NEW

ACADIAN ASSET MANAGEMENT LLC's Holding History (CIK: 0000916542)

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

Q4 2025

Shares 35,732 Value ($000) $0 Avg Close $4.36 Range $3.52 - $6.03

Q3 2024

Shares 2,506 Value ($000) $0 Avg Close $6.77 Range $5.28 - $8.26

Q1 2023

Shares 1 Value ($000) $0 Avg Close $11.88 Range $4.07 - $17.17

Q4 2022

Shares 1 Value ($000) $0 Avg Close $11.23 Range $8.29 - $16.72

Q1 2019

Shares 127,334 Value ($000) $369 Avg Close $2.98 Range $2.09 - $5.94

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	35,732	$0	$4.36	$3.52 - $6.03
Q3 2024	2,506	$0	$6.77	$5.28 - $8.26
Q1 2023	1	$0	$11.88	$4.07 - $17.17
Q4 2022	1	$0	$11.23	$8.29 - $16.72
Q1 2019	127,334	$369	$2.98	$2.09 - $5.94