KALEIDO BIOSCIENCES INC

Ticker: KLDO CUSIP: 483347100 Class: COM

SG Americas Securities, LLC's Holding History (CIK: 0001313360)

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

Q3 2021

Shares 15,789 Value ($000) $86 Avg Close $6.20 Range $5.10 - $8.25

Q2 2021

Shares 35,108 Value ($000) $261 Avg Close $7.09 Range $5.71 - $9.47

Q1 2021

Shares 12,170 Value ($000) $99 Avg Close $10.89 Range $7.00 - $20.50

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2021	15,789	$86	$6.20	$5.10 - $8.25
Q2 2021	35,108	$261	$7.09	$5.71 - $9.47
Q1 2021	12,170	$99	$10.89	$7.00 - $20.50