ONE STOP SYSTEMS, INC. — Director's Dealing 2021

Jun 22, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ONE STOP SYSTEMS, INC. (OSS)
CIK: 0001394056
Period of Report: 2021-06-18

Reporting Person: Ison James (Chief Sales/Marketing Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-06-18	Common Stock	F	2702	$4.87	Disposed	52298	Direct
2021-06-18	Common Stock	G	3964	$0.00	Disposed	48334	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	35733	Indirect

Footnotes

F1: The Reporting Person forfeited 2,702 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: On June 18, 2021, the Reporting Person transferred 3,964 shares of common stock to the James J. Ison Jr. & Sha-Marie A Ison TR UA 06 04 2020 James J. Ison Jr. & Sha-Marie A Ison Inter Vivos Revocable Trust, of which the Reporting Person is trustee. The Reporting Person and members of his immediate family are the sole beneficiaries of the trust.

F3: 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.