ALTIMMUNE INC

Ticker: ALT CUSIP: 02155H200 Class: COM NEW

HRT FINANCIAL LP's Holding History (CIK: 0001475597)

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

Q1 2023

Shares 164,768 Value ($000) $1 Avg Close $11.88 Range $4.07 - $17.17

Q1 2022

Shares 222,368 Value ($000) $1,354 Avg Close $7.36 Range $5.78 - $9.67

Q1 2021

Shares 54,557 Value ($000) $770 Avg Close $16.17 Range $11.19 - $24.61

Q4 2020

Shares 10,709 Value ($000) $120 Avg Close $11.78 Range $7.80 - $16.25

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2023	164,768	$1	$11.88	$4.07 - $17.17
Q1 2022	222,368	$1,354	$7.36	$5.78 - $9.67
Q1 2021	54,557	$770	$16.17	$11.19 - $24.61
Q4 2020	10,709	$120	$11.78	$7.80 - $16.25