Abingworth LLP - Aug 25, 2021 Form 3 Insider Report for eFFECTOR Therapeutics, Inc. (EFTR)

Role: 10%+ Owner
Signature: /s/ John Heard
Stock symbol: EFTR
Transactions as of: Aug 25, 2021
Transactions value $: $0
Form type: 3
Date filed: 8/27/2021, 06:31 PM
Previous filing: May 18, 2021
Next filing: Oct 1, 2021

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
holding	EFTR	Common Stock						4.82M	Aug 25, 2021	See Footnote	F1, F3

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
holding	EFTR	Earn-out Right							Aug 25, 2021	Common Stock	605K		See Footnote	F2, F3

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

Explanation of Responses:

Id	Content
F1	On August 25, 2021, pursuant to that certain Agreement and Plan of Merger, dated as of May 26, 2021 (the "Merger Agreement"), by and among the Issuer (f/k/a Locust Walk Acquisition Corp.), Locust Walk Merger Sub, Inc. ("Merger Sub"), and eFFECTOR Therapeutics, Inc. ("Old eFFECTOR"), Merger Sub merged with and into Old eFFECTOR with Old eFFECTOR surviving as a wholly owned subsidiary of the Issuer (the "Merger"). Upon consummation of the Merger (the "Effective Time"), each issued and outstanding share of common stock of Old eFFECTOR was automatically cancelled and converted into approximately 0.09657 (the "Exchange Ratio") shares of common stock of the Issuer. Represents 4,109,329 shares acquired in the Merger and 712,785 shares acquired in the private placement which closed concurrently with the Merger.
F2	Each earn-out right represents a contingent right to receive one share of the Issuer's common stock. Pursuant to an "Earn-Out" provision in the Merger Agreement, the earn-out rights vest upon the Issuer's common stock achieving a price per share which equals or exceeds $20.00 over at least 20 trading days out of a 30 consecutive trading day period prior to August 26, 2023.
F3	The securities of the Issuer are held by Abingworth Bioventures VI, LP ("Abingworth"). Abingworth Bioventures VI GP LP ("Abingworth GP") serves as the general partner of Abingworth. Abingworth General Partner VI LLP, serves as the general partner of Abingworth GP. Abingworth (acting by its general partner Abingworth GP, acting by its general partner Abingworth General Partner VI LLP) has delegated to Abingworth LLP ("ALLP"), all investment and dispositive power over the securities held by Abingworth. ALLP holds the reported securities indirectly through Abingworth. ALLP disclaims beneficial ownership of such securities, except to the extent of its pecuniary interest therein. This report shall not be deemed an admission that the reporting person, Abingworth or any other person is the beneficial owner of the securities reported herein for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.