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Filing Details

Accession Number:: 0000899243-21-005713
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2021-02-10 17:30:18
Reporting Period:: 2021-02-08

Accepted Time:: 2021-02-10 17:30:18
SEC Url:: Form 4 Filing

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1751299	Kaleido Biosciences Inc.	KLDO	()	4

Insiders

Cik	Name	Reported Address	Director	Officer	Large Shareholder	Other
1222012	Noubar Afeyan	55 Cambridge Parkway, Suite 800E Cambridge MA 02142	No	No	Yes	No
1503559	Flagship Ventures Fund Iv, L.p.	55 Cambridge Parkway, Suite 800E Cambridge MA 02142	No	No	Yes	No
1508051	Flagship Ventures Fund Iv General Partner Llc	55 Cambridge Parkway, Suite 800E Cambridge MA 02142	No	No	Yes	No
1677345	Flagship Ventures Opportunities Fund I, L.p.	55 Cambridge Parkway, Suite 800E Cambridge MA 02142	No	No	Yes	No
1725004	Flagship Ventures Opportunities Fund I General Partner Llc	55 Cambridge Parkway, Suite 800E Cambridge MA 02142	No	No	Yes	No
1780951	Nutritional Health Ltp Fund General Partner Llc	55 Cambridge Parkway, Suite 800E Cambridge MA 02142	No	No	Yes	No
1780956	Nutritional Health Ltp Fund, L.p.	55 Cambridge Parkway, Suite 800E Cambridge MA 02142	No	No	Yes	No

Reported Non-Derivative Transactions

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Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Acquisiton	2021-02-08	71,666	$11.50	1,685,444	No	4	P	Indirect	See Footnote
Common Stock	Acquisiton	2021-02-08	71,667	$11.50	2,982,639	No	4	P	Indirect	See Footnote
Common Stock	Acquisiton	2021-02-08	71,667	$11.50	738,333	No	4	P	Indirect	See Footnote

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	P	Indirect	See Footnote
No	4	P	Indirect	See Footnote
No	4	P	Indirect	See Footnote

Reported Non-Derivative Holdings

Sec. Name	Remaning Holdings	Nature of Ownership	Explanation
Common Stock	42,865	Indirect	See Footnote
Common Stock	2,500,000	Indirect	See Footnote
Common Stock	2,560,096	Indirect	See Footnote
Common Stock	639,360	Indirect	See Footnote
Common Stock	6,560,523	Indirect	See Footnote
Common Stock	216,451	Indirect	See Footnote
Common Stock	1,649,999	Indirect	See Footnote

Footnotes

On February 8, 2021, Flagship Ventures Fund IV, L.P. ("Flagship Fund IV") acquired 71,666 shares pursuant to an underwritten public offering of common stock by the Issuer (the "Offering").
Shares held by Flagship Fund IV. Flagship Ventures Fund IV General Partner LLC ("Flagship Fund IV GP") is the general partner of Flagship Fund IV. Noubar B. Afeyan, Ph.D. ("Dr. Afeyan") is the sole manager of Flagship Fund IV GP. Each of the reporting persons except for Flagship Fund IV disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein.
On February 8, 2021, Flagship Ventures Opportunities Fund I, L.P. ("Flagship Opportunities I") acquired 71,667 shares pursuant to the Offering.
Shares held by Flagship Opportunities I. Flagship Ventures Opportunities Fund I General Partner LLC ("Flagship Opportunities GP") is the general partner of Flagship Opportunities I. Dr. Afeyan serves as sole manager of Flagship Opportunities GP. Each of the reporting persons except for Flagship Opportunities I disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein.
On February 8, 2021, Nutritional Health LTP Fund, L.P. ("Nutritional LTP") acquired 71,667 shares pursuant to the Offering.
Shares held by Nutritional LTP. Nutritional Health LTP Fund General Partner LLC ("Nutritional LTP GP") is the general partner of Nutritional LTP. Dr. Afeyan is the sole member and manager of Nutritional LTP GP. Each of the reporting persons except for Nutritional LTP disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein.
Shares held by Flagship VentureLabs IV, LLC ("VentureLabs IV"). Flagship Fund IV is a member of VentureLabs IV and also serves as its manager. Flagship Fund IV GP is the general partner of Flagship Fund IV. Dr. Afeyan is the sole manager of Flagship Fund IV GP. Each of the reporting persons except for VentureLabs IV disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein.
Shares held by Flagship VentureLabs V LLC ("VentureLabs V"). Flagship Ventures Fund V, L.P. ("Flagship Fund V") is a member of VentureLabs V. Flagship Ventures Fund V General Partner LLC ("Flagship Fund V GP") is the general partner of Flagship Fund V. Flagship VentureLabs V Manager LLC ("VentureLabs V Manager") serves as manager of VentureLabs V. Flagship Pioneering, Inc. ("Flagship Pioneering") is the manager of VentureLabs V Manager. Dr. Afeyan serves as sole manager of Flagship Fund V GP and as sole director of Flagship Pioneering. Each of the reporting persons except for VentureLabs V disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein.
Shares held by Flagship Fund V. Flagship Fund V GP is the general partner of Flagship Fund V. Dr. Afeyan serves as sole manager of Flagship Fund V GP. Each of the reporting persons except for Flagship Fund V disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein.
Shares held by Nutritional Health Side Fund, L.P. ("Nutritional Health Side Fund"). Flagship Fund V GP is the general partner of Nutritional Health Side Fund. Dr. Afeyan serves as sole manager of Flagship Fund V GP. Each of the reporting persons except for Nutritional Health Side Fund disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein.
Shares held by Nutritional Health Disruptive Innovation Fund, L.P. ("Nutritional Innovation Fund"). Flagship Fund V GP is the general partner of Nutritional Innovation Fund. Dr. Afeyan serves as sole manager of Flagship Fund V GP. Each of the reporting persons except for Nutritional Innovation Fund disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein.
Shares held by Flagship Ventures Fund 2007, L.P. ("Flagship Fund 2007"). Flagship Ventures 2007 General Partner LLC ("Fund 2007 GP") is the general partner of Flagship Fund 2007. Dr. Afeyan is the sole manager of Fund 2007 GP. Each of the reporting persons except for Flagship Fund 2007 disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein.
Shares held by Cadena LLC ("Cadena"). Dr. Afeyan is the sole manager of Cadena. Each of the reporting persons except for Cadena disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein.