ALTIMMUNE INC

Ticker: ALT CUSIP: 02155H200 Class: COM NEW

SIMPLEX TRADING, LLC's Holding History (CIK: 0001488542)

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

Q3 2025
Shares 213,709 Value ($000) $1 Avg Close $3.86 Range $3.33 - $5.03
Q2 2025
Shares 99,967 Value ($000) $0 Avg Close $5.41 Range $2.90 - $7.73
Q1 2025
Shares 20,821 Value ($000) $0 Avg Close $6.33 Range $4.78 - $7.83
Q4 2024
Shares 181,172 Value ($000) $1 Avg Close $7.64 Range $5.86 - $11.16
Q3 2024
Shares 133,165 Value ($000) $1 Avg Close $6.77 Range $5.28 - $8.26
Q2 2024
Shares 166,089 Value ($000) $1 Avg Close $7.38 Range $5.64 - $11.01
Q1 2024
Shares 146,259 Value ($000) $1 Avg Close $10.17 Range $7.92 - $14.84
Q4 2023
Shares 65,131 Value ($000) $1 Avg Close $4.18 Range $2.09 - $12.51
Q3 2023
Shares 68,998 Value ($000) $0 Avg Close $2.87 Range $2.34 - $3.58
Q2 2023
Shares 48,336 Value ($000) $0 Avg Close $4.49 Range $3.32 - $6.08
Q4 2022
Shares 226,629 Value ($000) $4 Avg Close $11.23 Range $8.29 - $16.72
Q3 2022
Shares 137,743 Value ($000) $1,758 Avg Close $14.76 Range $10.15 - $23.49
Q2 2022
Shares 125,262 Value ($000) $1,465 Avg Close $6.17 Range $3.83 - $12.03
Q2 2021
Shares 6,985 Value ($000) $68 Avg Close $13.67 Range $9.60 - $19.46
Q1 2020
Shares 94 Value ($000) $0 Avg Close $2.30 Range $1.60 - $4.45