PETER G. TRABER - 08 Dec 2021 Form 4 Insider Report for SELECTA BIOSCIENCES INC (SELB)

Role: Chief Medical Officer
Signature: /s/ Matthew Bartholomae, Attorney-in-Fact for Peter G. Traber
Issuer symbol: SELB
Transactions as of: 08 Dec 2021
Transactions value $: $0
Form type: 4
Filing time: 10 Dec 2021, 16:07:52 UTC
Previous filing: 15 Oct 2021
Next filing: 14 Dec 2021
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	SELB	Common Stock	Award	$0	+13,750	+8.9%	$0	168,464	08 Dec 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 27,500 shares of the Issuer's common stock (the "Performance RSUs"), which were earned based on the achievement of two separate performance conditions related to the Issuer's operating and research and development activities. The compensation committee of the board of directors of the Issuer has determined that the second of the performance conditions has been met, and accordingly 13,750 Performance RSUs vested on December 8, 2021,

Content

On January 4, 2021, the reporting person was granted performance based restricted stock units for an aggregate of 27,500 shares of the Issuer's common stock (the "Performance RSUs"), which were earned based on the achievement of two separate performance conditions related to the Issuer's operating and research and development activities. The compensation committee of the board of directors of the Issuer has determined that the second of the performance conditions has been met, and accordingly 13,750 Performance RSUs vested on December 8, 2021,