SEC Form 4 · accession 0001104659-16-130141

SELECTA BIOSCIENCES INC · SELB

Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗

Reporting owners

10% Owner

10% Owner

10% Owner

Period of report

Jun 27, 2016

Accepted (ET)

Jun 29, 2016 · 4:44 pm EDT

Rule 10b5-1 plan

unknown — predates the checkbox

Issuer CIK

0001453687

Table I — non-derivative securities

Security	Date	Code	Shares	Price	A/D	Owned after	D/I	Nature of ownership
Common Stock^F2,F1	Jun 27, 2016	C	318,752	—	A	349,867	I	See Footnote
Common Stock^F2,F1	Jun 27, 2016	C	631,458	—	A	981,325	I	See Footnote
Common Stock^F2,F1	Jun 27, 2016	C	235,042	—	A	1,216,367	I	See Footnote
Common Stock^F2,F1	Jun 27, 2016	C	241,718	—	A	1,458,085	I	See Footnote
Common Stock^F3,F1	Jun 27, 2016	C	193,777	—	A	1,651,862	I	See Footnote

Security	Conv. / exercise price	Date	Code	Shares	A/D	Exercisable	Expires	Underlying	Underlying shares	D/I
Series A Convertible Preferred Stock^F1,F2	—	Jun 27, 2016	C	318,752	D	—	—	Common Stock	318,752	I
Series B Convertible Preferred Stock^F1,F2	—	Jun 27, 2016	C	631,458	D	—	—	Common Stock	631,458	I
Series C Convertible Preferred Stock^F1,F2	—	Jun 27, 2016	C	235,042	D	—	—	Common Stock	235,042	I
Series D Convertible Preferred Stock^F1,F2	—	Jun 27, 2016	C	241,718	D	—	—	Common Stock	241,718	I
Series E Convertible Preferred Stock^F1,F3	—	Jun 27, 2016	C	125,008	D	—	—	Common Stock	193,777	I

F1Held by Flagship Ventures Fund 2007, L.P. ("Flagship 2007"). Flagship Ventures 2007 General Partner LLC ("Flagship 2007 LLC") is the general partner of Flagship 2007. Noubar B. Afeyan, Ph.D. and Edwin M. Kania, Jr. are the managers of Flagship 2007 LLC. Flagship 2007 LLC and each of these individuals may be deemed to share voting and investment power with respect to all shares held by Flagship 2007. Each of the filing persons disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein.
F2The preferred stock is convertible at any time, at the holder's election and has no expiration date. The preferred stock automatically converted into common stock on a 1-for-1 basis upon the closing of the Issuer's initial public offering.
F3The Series E Convertible Preferred Stock is convertible at any time, at the holder's election and has no expiration date. The Series E Convertible Preferred Stock automatically converted into common stock on an approximately 1-for-1.550115 basis upon the closing of the Issuer's initial public offering.