QUANTUM SI INC

Ticker: QSIAW CUSIP: 74765K113 Class: *W EXP 06/10/202

DEERFIELD MANAGEMENT COMPANY, L.P.'s Holding History (CIK: 0001009258)

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

Q4 2025
Shares 333,333 Value ($000) $67 Avg Close — Range —
Q3 2025
Shares 333,333 Value ($000) $90 Avg Close — Range —
Q2 2025
Shares 333,333 Value ($000) $217 Avg Close — Range —
Q1 2025
Shares 333,333 Value ($000) $133 Avg Close — Range —
Q4 2024
Shares 333,333 Value ($000) $417 Avg Close — Range —
Q3 2024
Shares 333,333 Value ($000) $29 Avg Close — Range —
Q2 2024
Shares 333,333 Value ($000) $42 Avg Close — Range —
Q1 2024
Shares 333,333 Value ($000) $81 Avg Close — Range —
Q4 2023
Shares 333,333 Value ($000) $105 Avg Close — Range —
Q3 2023
Shares 333,333 Value ($000) $90 Avg Close — Range —
Q2 2023
Shares 333,333 Value ($000) $77 Avg Close — Range —
Q1 2023
Shares 333,333 Value ($000) $50 Avg Close — Range —
Q4 2022
Shares 333,333 Value ($000) $83 Avg Close — Range —
Q3 2022
Shares 333,333 Value ($000) $177 Avg Close — Range —
Q2 2022
Shares 333,333 Value ($000) $188 Avg Close — Range —
Q1 2022
Shares 333,333 Value ($000) $383 Avg Close — Range —
Q4 2021
Shares 333,333 Value ($000) $600 Avg Close — Range —
Q3 2021
Shares 333,333 Value ($000) $677 Avg Close — Range —
Q2 2021
Shares 333,333 Value ($000) $1,253 Avg Close — Range —