QUANTUM SI INC

Ticker: QSI CUSIP: 74765K105 Class: Common Stock

Round Rock Advisors, LLC's Holding History (CIK: 0001846991)

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

Q1 2024
Shares 11,855 Value ($000) $23 Avg Close $1.75 Range $1.38 - $2.43
Q4 2023
Shares 13,935 Value ($000) $28 Avg Close $1.52 Range $1.12 - $2.31
Q3 2023
Shares 21,885 Value ($000) $36 Avg Close $2.41 Range $1.57 - $3.90
Q2 2023
Shares 21,885 Value ($000) $39 Avg Close $1.57 Range $1.36 - $1.94
Q1 2023
Shares 21,885 Value ($000) $39 Avg Close $1.97 Range $1.54 - $2.63
Q4 2022
Shares 24,885 Value ($000) $46 Avg Close $2.58 Range $1.72 - $3.61
Q3 2022
Shares 24,035 Value ($000) $66 Avg Close $3.20 Range $2.31 - $4.43
Q2 2022
Shares 24,035 Value ($000) $56 Avg Close $3.83 Range $2.22 - $4.97