QUIDELORTHO CORP

Ticker: QDEL CUSIP: 219798105 Class: Common Stock

CLARK ESTATES INC/NY's Holding History (CIK: 0001056466)

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

Q1 2023

Shares 33,500 Value ($000) $2,985 Avg Close $87.00 Range $80.82 - $93.11

Q4 2022

Shares 40,000 Value ($000) $3,427 Avg Close $84.70 Range $66.88 - $102.00

Q3 2022

Shares 40,000 Value ($000) $2,859 Avg Close $89.47 Range $68.43 - $108.35

Q2 2022

Shares 37,000 Value ($000) $3,596 Avg Close $101.94 Range $88.05 - $120.61

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2023	33,500	$2,985	$87.00	$80.82 - $93.11
Q4 2022	40,000	$3,427	$84.70	$66.88 - $102.00
Q3 2022	40,000	$2,859	$89.47	$68.43 - $108.35
Q2 2022	37,000	$3,596	$101.94	$88.05 - $120.61