David R. Epstein - 18 Nov 2021 Form 4 Insider Report for Axcella Health Inc.

Role: Director
Signature: /s/ Paul Fehlner, Attorney-in-Fact
Issuer symbol: N/A
Transactions as of: 18 Nov 2021
Net transactions value: $0
Form type: 4
Filing time: 22 Nov 2021, 17:04:48 UTC
Previous filing: 01 Nov 2021
Next filing: 01 Dec 2021
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	AXLA	Common Stock	Options Exercise		+1,534	+1.2%		130,380	18 Nov 2021	Direct	F1

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	AXLA	Restricted Stock Units	Options Exercise	$0	-1,534	-20%	$0.000000	6,139	18 Nov 2021	Common Stock	1,534		Direct	F1, F2

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

Explanation of Responses:

Id	Content
F1	Each restricted stock unit ("RSU") represents a contingent right to receive one share of AXLA common stock.
F2	The RSUs shall vest in 12 equal monthly installments, with the first installment vested on April 18, 2021.