Oliver P. Peoples - Feb 10, 2022 Form 4 Insider Report for YIELD10 BIOSCIENCE, INC. (YTEN)

Role: Pres and CEO, Director
Signature: /s/ Megan N. Gates, attorney-in-fact
Stock symbol: YTEN
Transactions as of: Feb 10, 2022
Transactions value $: $137,968
Form type: 4
Date filed: 2/14/2022, 01:27 PM
Previous filing: Sep 29, 2021
Next filing: Mar 3, 2022

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	YTEN	Common Stock	Award	$138K	+36K	+229.56%	$3.83^*	51.7K	Feb 10, 2022	Direct	F1
holding	YTEN	Common Stock						4.99K	Feb 10, 2022	By 401(k) Plan	F2

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	YTEN	Stock Option (right to buy)	Award	$0	+54K		$0.00	54K	Feb 10, 2022	Common Stock	54K	$3.83	Direct	F3

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

Explanation of Responses:

Id	Content
F1	The securities awarded are in the form of restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of the Issuer's common stock. The RSUs will vest as to 50% of the shares on 8/10/2022 and the remaining 50% on 2/10/2023.
F2	Shares acquired as Issuer matching contributions under the Yield10 Bioscience, Inc. 401(k) Plan.
F3	These options will vest and become exercisable in equal quarterly installments over 4 years from 2/10/2022, beginning on 5/10/2022 and ending on 2/10/2026.