Cartesian Therapeutics, Inc. — Director's Dealing 2021

Feb 17, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: SELECTA BIOSCIENCES INC (SELB)
CIK: 0001453687
Period of Report: 2021-02-11

Reporting Person: Johnston Lloyd P. (COO and SVP, R&D)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-02-11	Common Stock	M	44871	$0.63	Acquired	102605	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-02-11	Employee Stock Option (right to buy)	$0.63	M	44871	Disposed	2021-02-16	Common Stock (44871.0)	Direct

Footnotes

F1: The Reporting Person has elected to exercise and hold the shares at this time in advance of the option's expiration.

F2: All shares underlying this option are fully vested.