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Filing Details

Accession Number:: 0000899243-20-013708
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2020-05-20 17:15:24
Reporting Period:: 2020-05-18

Accepted Time:: 2020-05-20 17:15:24
SEC Url:: Form 4 Filing

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1633070	Axcella Health Inc.	AXLA	()	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	C/O Flagship Pioneering Inc. 55 Cambridge Parkway, Suite 800E Cambridge MA 02142	No	No	Yes	No
1590973	Flagship Ventures Fund Iv-Rx, L.p.	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

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	2020-05-18	1,520,000	$4.75	4,808,780	No	4	P	Indirect	See Footnote
Common Stock	Acquisiton	2020-05-18	380,000	$4.75	1,056,752	No	4	P	Indirect	See Footnote
Common Stock	Acquisiton	2020-05-18	1,900,000	$4.75	2,886,023	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	2,035,830	Indirect	See Footnote
Common Stock	1,761,029	Indirect	See Footnote

Footnotes

Shares held by Flagship Ventures Fund IV, L.P. ("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. 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. Edwin M. Kania, Jr. is retired both from Flagship Pioneering, Inc. and as a manager of Flagship Fund IV GP.
Shares held by Flagship Ventures Fund IV-Rx, L.P. ("Flagship Fund IV-Rx"). Flagship Fund IV GP is the general partner of Flagship Fund IV-Rx. Noubar B. Afeyan, Ph.D. is the sole manager of Flagship Fund IV GP. Each of the reporting persons except for Flagship Fund IV-Rx disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein.
Shares held by Flagship Ventures Opportunities Fund I, L.P. ("Flagship Opportunities I"). Flagship Ventures Opportunities Fund I General Partner LLC ("Flagship Opportunities GP") is the general partner of Flagship Opportunities I. Noubar B. Afeyan, Ph.D. is the sole manager of Flagship Opportunities. Each of the reporting persons except for Flagship Opportunities I disclaims beneficial ownership of the 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. Noubar B. Afeyan, Ph.D. 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 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. Noubar B. Afeyan, Ph.D. 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. Edwin M. Kania, Jr. is retired both from Flagship Pioneering, Inc. and as a manager of Fund 2007 GP.