DE (EFOI)

Role: SVP, GC & Corp. Secretary
Signature: /s/ Tod A. Nestor as Attorney-in-Fact
Issuer symbol: EFOI
Transactions as of: 11 Feb 2022
Net transactions value: +$22,200
Form type: 4/A - Amendment
Filing time: 17 Feb 2022, 09:41:08 UTC
Date Of Original Report: 15 Feb 2022
Previous filing: 29 Sep 2021
Next filing: 29 Sep 2022
SEC: View on sec.gov

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	EFOI	Stock Option (Right to buy)	Award	$22,200	+15,000		$1.48	15,000	11 Feb 2022	Common Stock	15,000	$1.48	Direct	F1

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

Explanation of Responses:

Id	Content
F1	Date exercisable applies to one-fourth of the total shares subject to the stock option. The remaining three-fourths vest in equal monthly installments thereafter over a three year period.

Remarks:

This amended form is being filed solely to include the Power of Attorney executed by the reporting person, and does not change any of the information from the original filing.