KALEIDO BIOSCIENCES INC

Ticker: KLDO CUSIP: 483347100 Class: COM

PRICE T ROWE ASSOCIATES INC /MD/'s Holding History (CIK: 0000080255)

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

Q2 2021

Shares 19,356 Value ($000) $144 Avg Close $7.09 Range $5.71 - $9.47

Q1 2021

Shares 22,927 Value ($000) $186 Avg Close $10.89 Range $7.00 - $20.50

Q4 2020

Shares 11,217 Value ($000) $102 Avg Close $8.20 Range $5.70 - $11.50

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2021	19,356	$144	$7.09	$5.71 - $9.47
Q1 2021	22,927	$186	$10.89	$7.00 - $20.50
Q4 2020	11,217	$102	$8.20	$5.70 - $11.50