KALEIDO BIOSCIENCES INC

Ticker: KLDO CUSIP: 483347100 Class: COM

NISA INVESTMENT ADVISORS, LLC's Holding History (CIK: 0000937615)

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

Q1 2021

Shares 1,100 Value ($000) $9 Avg Close $10.89 Range $7.00 - $20.50

Q4 2020

Shares 1,100 Value ($000) $10 Avg Close $8.20 Range $5.70 - $11.50

Q3 2020

Shares 1,100 Value ($000) $12 Avg Close $6.93 Range $5.04 - $11.89

Q2 2020

Shares 1,100 Value ($000) $8 Avg Close $6.70 Range $4.55 - $8.45

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2021	1,100	$9	$10.89	$7.00 - $20.50
Q4 2020	1,100	$10	$8.20	$5.70 - $11.50
Q3 2020	1,100	$12	$6.93	$5.04 - $11.89
Q2 2020	1,100	$8	$6.70	$4.55 - $8.45