ALTIMMUNE INC

Ticker: ALT CUSIP: 02155H200 Class: COM NEW

SUSQUEHANNA INTERNATIONAL GROUP, LLP's Holding History (CIK: 0001446194)

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

Q4 2025

Shares 1,369,017 Value ($000) $4,942 Avg Close $4.36 Range $3.52 - $6.03

Q3 2025

Shares 1,374,182 Value ($000) $5,181 Avg Close $3.86 Range $3.33 - $5.03

Q2 2025

Shares 1,619,747 Value ($000) $6,268 Avg Close $5.41 Range $2.90 - $7.73

Q1 2025

Shares 1,076,064 Value ($000) $5,380 Avg Close $6.33 Range $4.78 - $7.83

Q4 2024

Shares 500,919 Value ($000) $3,612 Avg Close $7.64 Range $5.86 - $11.16

Q3 2024

Shares 926,962 Value ($000) $5,692 Avg Close $6.77 Range $5.28 - $8.26

Q2 2024

Shares 2,210,401 Value ($000) $14,699 Avg Close $7.38 Range $5.64 - $11.01

Q1 2024

Shares 916,254 Value ($000) $9,327 Avg Close $10.17 Range $7.92 - $14.84

Q4 2023

Shares 733,254 Value ($000) $8,249 Avg Close $4.18 Range $2.09 - $12.51

Q3 2023

Shares 113,766 Value ($000) $296 Avg Close $2.87 Range $2.34 - $3.58

Q2 2023

Shares 179,018 Value ($000) $632 Avg Close $4.49 Range $3.32 - $6.08

Q1 2023

Shares 796,722 Value ($000) $3,362 Avg Close $11.88 Range $4.07 - $17.17

Q4 2022

Shares 352,073 Value ($000) $5,792 Avg Close $11.23 Range $8.29 - $16.72

Q3 2022

Shares 175,287 Value ($000) $2,238 Avg Close $14.76 Range $10.15 - $23.49

Q1 2022

Shares 125,219 Value ($000) $763 Avg Close $7.36 Range $5.78 - $9.67

Q4 2021

Shares 136,651 Value ($000) $1,252 Avg Close $10.63 Range $8.40 - $12.97

Q3 2021

Shares 85,477 Value ($000) $967 Avg Close $12.16 Range $8.10 - $17.26

Q2 2021

Shares 159,602 Value ($000) $1,572 Avg Close $13.67 Range $9.60 - $19.46

Q1 2021

Shares 328,984 Value ($000) $4,649 Avg Close $16.17 Range $11.19 - $24.61

Q4 2020

Shares 324,502 Value ($000) $3,660 Avg Close $11.78 Range $7.80 - $16.25

Q3 2020

Shares 109,749 Value ($000) $1,449 Avg Close $19.99 Range $8.60 - $35.10

Q4 2019

Shares 17,976 Value ($000) $34 Avg Close $1.85 Range $1.51 - $2.24

Q3 2019

Shares 20,548 Value ($000) $40 Avg Close $2.22 Range $1.91 - $2.95

Q2 2019

Shares 48,468 Value ($000) $115 Avg Close $2.68 Range $2.13 - $3.53

Q1 2019

Shares 57,560 Value ($000) $167 Avg Close $2.98 Range $2.09 - $5.94

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,369,017	$4,942	$4.36	$3.52 - $6.03
Q3 2025	1,374,182	$5,181	$3.86	$3.33 - $5.03
Q2 2025	1,619,747	$6,268	$5.41	$2.90 - $7.73
Q1 2025	1,076,064	$5,380	$6.33	$4.78 - $7.83
Q4 2024	500,919	$3,612	$7.64	$5.86 - $11.16
Q3 2024	926,962	$5,692	$6.77	$5.28 - $8.26
Q2 2024	2,210,401	$14,699	$7.38	$5.64 - $11.01
Q1 2024	916,254	$9,327	$10.17	$7.92 - $14.84
Q4 2023	733,254	$8,249	$4.18	$2.09 - $12.51
Q3 2023	113,766	$296	$2.87	$2.34 - $3.58
Q2 2023	179,018	$632	$4.49	$3.32 - $6.08
Q1 2023	796,722	$3,362	$11.88	$4.07 - $17.17
Q4 2022	352,073	$5,792	$11.23	$8.29 - $16.72
Q3 2022	175,287	$2,238	$14.76	$10.15 - $23.49
Q1 2022	125,219	$763	$7.36	$5.78 - $9.67
Q4 2021	136,651	$1,252	$10.63	$8.40 - $12.97
Q3 2021	85,477	$967	$12.16	$8.10 - $17.26
Q2 2021	159,602	$1,572	$13.67	$9.60 - $19.46
Q1 2021	328,984	$4,649	$16.17	$11.19 - $24.61
Q4 2020	324,502	$3,660	$11.78	$7.80 - $16.25
Q3 2020	109,749	$1,449	$19.99	$8.60 - $35.10
Q4 2019	17,976	$34	$1.85	$1.51 - $2.24
Q3 2019	20,548	$40	$2.22	$1.91 - $2.95
Q2 2019	48,468	$115	$2.68	$2.13 - $3.53
Q1 2019	57,560	$167	$2.98	$2.09 - $5.94