KALEIDO BIOSCIENCES INC

Ticker: KLDO CUSIP: 483347100 Class: COM

Zurcher Kantonalbank (Zurich Cantonalbank)'s Holding History (CIK: 0001368163)

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

Q3 2021

Shares 5,651 Value ($000) $31 Avg Close $6.20 Range $5.10 - $8.25

Q2 2021

Shares 5,610 Value ($000) $42 Avg Close $7.09 Range $5.71 - $9.47

Q1 2021

Shares 5,510 Value ($000) $45 Avg Close $10.89 Range $7.00 - $20.50

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2021	5,651	$31	$6.20	$5.10 - $8.25
Q2 2021	5,610	$42	$7.09	$5.71 - $9.47
Q1 2021	5,510	$45	$10.89	$7.00 - $20.50