QUANTUM SI INC

Ticker: QSI CUSIP: 74765K105 Class: Common Stock

Prosight Management, LP's Holding History (CIK: 0001617201)

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

Q2 2021

Shares 227,391 Value ($000) $2,788 Avg Close $10.48 Range $7.85 - $13.23

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2021	227,391	$2,788	$10.48	$7.85 - $13.23