Stephen T. Worland - 11 Aug 2023 Form 4 Insider Report for eFFECTOR Therapeutics, Inc.

Role: Chief Executive Officer, Director
Signature: /s/ Michael Byrnes, Attorney-in-Fact for Stephen T. Worland
Issuer symbol: EFTR on OTC
Transactions as of: 11 Aug 2023
Net transactions value: +$17,575
Form type: 4
Filing time: 14 Aug 2023, 08:00:09 UTC
Previous filing: 16 May 2023
Next filing: 16 Nov 2023
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	EFTR	Common Stock	Options Exercise	$17,575	+33,799	+15%	$0.5200	261,225	11 Aug 2023	Direct
holding	EFTR	Common Stock						562,339	11 Aug 2023	By trust

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	EFTR	Stock Option (Right to Buy)	Options Exercise	$0	-33,799	-100%	$0.000000^*	0	11 Aug 2023	Common Stock	33,799	$0.5200	Direct	F1

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

Explanation of Responses:

Id	Content
F1	The stock option vests 25% on December 17, 2014, and in 36 monthly installments thereafter, subject to the Reporting Person's continued service through the applicable vesting date.