Figures computed from official regulatory filings — .
Analysttarget 22 USD (+21999900%) · consensus 3.5/5 · 4 buy · 0 hold · 2 sell
Ownershipinsiders 0% · institutions 0.06% · short 14.2% of float
In USD · as of Oct 5, 2026
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Kaleido Biosciences, Inc., a clinical-stage healthcare company, develops microbiome metabolic therapies. The company develops KB195 for the treatment of patients with urea cycle disorder; KB295 to treat ulcerative colitis; KB174 for the treatment of hepatic encephalopathy; and KB109 to treat COVID-19 disease. It also develops programs for the treatment of ulcerative colitis, psoriasis, atopic immune disease, chronic obstructive pulmonary disease pathogens, and immuno-oncology. The company has collaboration agreements with Institute Gustave Roussy, Washington University, and Janssen. Kaleido Biosciences, Inc. was incorporated in 2015 and is headquartered in Lexington, Massachusetts.
Market information source · Oct 5, 2026
SEC company identity · Oct 5, 2026
Open-market timeline · full history
13 buys— close pricebar = usd volume, √ scaleclick a period to filter the table
| Insider | Type | Value · USD | Signals | Details | |
|---|---|---|---|---|---|
| van Hylckama Vlieg Johan | Other | $3.1K | SEC | ||
| Other |
| $3K |
| SEC |
| Korn Jerald | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Long Alison S | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Long Alison S | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Korn Jerald | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Duke William E. | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Menichella Daniel L | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Duke William E. | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| van Hylckama Vlieg Johan | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Menichella Daniel L | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Long Alison S | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Long Alison S | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Menichella Daniel L | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Duke William E. | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| van Hylckama Vlieg Johan | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Korn Jerald | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Bassler Bonnie L | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| von Maltzahn Geoffrey | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| BONNEY MICHAEL Wtrack record | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Prener Anne | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Quinn Anthonytrack record | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Burnett Grady | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| MELAS KYRIAZI THEO | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Mixer Jean K | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |