Cartesian Therapeutics, Inc. — Director's Dealing 2016

Jun 29, 2016

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: SELECTA BIOSCIENCES INC (SELB)
CIK: 0001453687
Period of Report: 2016-06-27

Reporting Person: Osage University Partners II, L.P. (10% Owner)
Reporting Person: Osage University GP II, L.P. (10% Owner)
Reporting Person: Osage Partners, LLC (10% Owner)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2016-06-27	Common Stock	C	441628	—	Acquired	512543	Indirect
2016-06-27	Common Stock	P	350000	$14.00	Acquired	862543	Indirect

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2016-06-27	Series E Convertible Preferred Stock	$	C	284900	Disposed		Common Stock (441628)	Indirect

Footnotes

F1: Held by Osage University Partners II, L.P. ("Osage"). Osage Partners, LLC ("Osage Partners") is the general parter of Osage University GP II, LP ("Osage GP"), which is the general partner of Osage. Osage Partners and Osage GP may be deemed to share voting and investment power with respect to all shares held by Osage. Each of the filing persons disclaims beneficial ownership of the securities reported herein except to the extent of their pecuniary interest therein.

F2: The 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.