Kaleido Biosciences, Inc.

Biological Products, (no Diagnostic Substances)

OTC.KLDO

18 Crosby Drive, Bedford, MA, 01730

Amount	Security	Market Value
2,300	Common Stock	$0
2,300	Common Stock	$0
644	COM	$1
500,500	COM	$31
29,136	COM	$48
9,245	COM	$15
832,221	COM	$1,373
3,266	COM	$5
4,358	COM	$7
265	COM	$0
289,103	COM	$477
738,333	COM	$1,218
1,554	COM	$3
77,006	COM	$127
7,821	COMMON STOCK	$13
606,133	COM	$1,000
70,130	COM	$116
105,446	Common Stock	$174
189,731	COM	$313
86,887	COM	$143
3,607,924	COM	$5,953
9,759,979	COM	$16,104
995	COM	$2
368,288	COM	$608
647,397	COM	$1,068
500,500	COM	$826
3,266	COM	$5
9,073	Common Stock	$15
309,692	COM	$511
3,146	COM	$5
9,085	COMMON	$15
2,982,639	COM	$4,921
9,618	COM	$16
41,084	COM	$68
1,885	COM	$3
1,728,309	COM	$2,852
2,781,736	COM	$4,590
5,012	COM	$8
43,406	COM	$72
168	COM	$0
435,024	COM	$718
9,407	COM	$16
48,702	COM	$80
13,700	COM	$23
3,884	COM	$6
2,600	COM	$4
1,935	Equity	$3,193
23,792	COM	$39
143,500	COM	$237
3,891	COM	$6

Amount	Security	Market Value
2,300	Common Stock	$0
2,300	Common Stock	$0
644	COM	$1
500,500	COM	$31
29,136	COM	$48
9,245	COM	$15
832,221	COM	$1,373
3,266	COM	$5
4,358	COM	$7
265	COM	$0
289,103	COM	$477
738,333	COM	$1,218
1,554	COM	$3
77,006	COM	$127
7,821	COMMON STOCK	$13
606,133	COM	$1,000
70,130	COM	$116
105,446	Common Stock	$174
189,731	COM	$313
86,887	COM	$143
3,607,924	COM	$5,953
9,759,979	COM	$16,104
995	COM	$2
368,288	COM	$608
647,397	COM	$1,068
500,500	COM	$826
3,266	COM	$5
9,073	Common Stock	$15
309,692	COM	$511
3,146	COM	$5
9,085	COMMON	$15
2,982,639	COM	$4,921
9,618	COM	$16
41,084	COM	$68
1,885	COM	$3
1,728,309	COM	$2,852
2,781,736	COM	$4,590
5,012	COM	$8
43,406	COM	$72
168	COM	$0
435,024	COM	$718
9,407	COM	$16
48,702	COM	$80
13,700	COM	$23
3,884	COM	$6
2,600	COM	$4
1,935	Equity	$3,193
23,792	COM	$39
143,500	COM	$237
3,891	COM	$6

Institutional Owners