John Morrison - May 23, 2022 Form 4 Insider Report for ONE STOP SYSTEMS, INC. (OSS)

Role: Chief Financial Officer
Signature: /s/ John Morrison
Stock symbol: OSS
Transactions as of: May 23, 2022
Transactions value $: -$13,149
Form type: 4
Date filed: 5/25/2022, 04:29 PM
Previous filing: May 19, 2022
Next filing: Oct 6, 2022

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	OSS	Common Stock	Tax liability	-$13.1K	-3.06K	-1.59%	$4.30	190K	May 23, 2022	Direct	F1, F2

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

Explanation of Responses:

Id	Content
F1	The Reporting Person forfeited 3,058 shares of common stock upon conversion of 6,666 vested and outstanding Restricted Stock Units into shares of common stock to cover tax withholdings, using the market price of the issuer's common stock at the time of forfeiture. These Restricted Stock Units were part of the grant reported in Table I of the Form 4 filed by the Reporting Person with the Securities and Exchange Commission on May 21, 2021.
F2	Includes 97,334 unvested restricted stock units held by the Reporting Person, all of which remain subject to certain vesting conditions.

Content

The Reporting Person forfeited 3,058 shares of common stock upon conversion of 6,666 vested and outstanding Restricted Stock Units into shares of common stock to cover tax withholdings, using the market price of the issuer's common stock at the time of forfeiture. These Restricted Stock Units were part of the grant reported in Table I of the Form 4 filed by the Reporting Person with the Securities and Exchange Commission on May 21, 2021.

Includes 97,334 unvested restricted stock units held by the Reporting Person, all of which remain subject to certain vesting conditions.