James Ison - Aug 18, 2021 Form 4 Insider Report for ONE STOP SYSTEMS, INC. (OSS)

Role: Chief Sales/Marketing Officer
Signature: /s/James Ison
Stock symbol: OSS
Transactions as of: Aug 18, 2021
Transactions value $: $12,160
Form type: 4
Date filed: 8/19/2021, 06:24 PM
Previous filing: Aug 16, 2021
Next filing: Nov 15, 2021

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	OSS	Common Stock	Options Exercise	$12.2K	+16K	+41.41%	$0.76^*	54.6K	Aug 18, 2021	By Trust	F1
holding	OSS	Common Stock						48.3K	Aug 18, 2021	Direct

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	OSS	Employee Stock Option (right to buy)	Options Exercise	$0	-16K	-79.01%	$0.00	4.25K	Aug 18, 2021	Common Stock	16K	$0.76	Direct	F2

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

Explanation of Responses:

Id	Content
F1	These shares are owned directly by James J Ison Jr. and Sha-Marie A Ison Inter Vivos Revocable Trust dated June 4, 2020, and indirectly by James Ison as trustee of the trust.
F2	The option is fully vested.