Carsten Brunn - Oct 1, 2021 Form 4 Insider Report for SELECTA BIOSCIENCES INC (SELB)

Role: President and CEO, Director
Signature: /s/ Matthew Bartholomae, Attorney-in-Fact for Carsten Brunn
Stock symbol: SELB
Transactions as of: Oct 1, 2021
Transactions value $: $0
Form type: 4
Date filed: 10/5/2021, 04:25 PM
Previous filing: Sep 28, 2021
Next filing: Oct 15, 2021

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	SELB	Common Stock	Award	$0	+37.5K	+14.62%	$0.00	294K	Oct 1, 2021	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	On January 4, 2021, the reporting person was granted performance based restricted stock units for an aggregate of 75,000 shares of the Issuer's common stock (the "Performance RSUs"), which may be earned based on the achievement of two separate performance conditions related to the Issuer's operating and research and development activities. Any Performance RSUs will generally vest in two equal installments upon the dates of achievement of each of the two performance conditions, subject to continued employment, so long as each performance condition is met before December 31, 2021. The compensation committee of the board of directors of the Issuer has determined that the first of the performance conditions has been met, and accordingly 37,500 Performance RSUs vested on October 1, 2021.

Content

On January 4, 2021, the reporting person was granted performance based restricted stock units for an aggregate of 75,000 shares of the Issuer's common stock (the "Performance RSUs"), which may be earned based on the achievement of two separate performance conditions related to the Issuer's operating and research and development activities. Any Performance RSUs will generally vest in two equal installments upon the dates of achievement of each of the two performance conditions, subject to continued employment, so long as each performance condition is met before December 31, 2021. The compensation committee of the board of directors of the Issuer has determined that the first of the performance conditions has been met, and accordingly 37,500 Performance RSUs vested on October 1, 2021.