ONE STOP SYSTEMS, INC. — Director's Dealing 2019

Aug 20, 2019

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ONE STOP SYSTEMS, INC. (OSS)
CIK: 0001394056
Period of Report: 2019-08-16

Reporting Person: Ison Jim (VP of Sales and Marketing)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2019-08-16	Common Stock	F	1485	$1.65	Acquired	7874	Direct
2019-08-16	Common Stock	F	763	$1.65	Acquired	8637	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2019-08-16	Restricted Stock Unit	$	M	1667	Disposed		Common Stock (1667)	Direct
2019-08-16	Restricted Stock Unit	$	M	833	Disposed		Common Stock (833)	Direct

Footnotes

F1: Represents a "net stock issuance" of vested and outstanding Restricted Stock Units. The reporting person received 1,485 shares of common stock on the net stock issuance of 1,667 shares of common stock. The reporting person forfeited 182 shares of common stock underlying the vested and outstanding Restricted Stock Units to cover tax withholdings, using the closing stock price on August 16, 2019 of $1.65.

F2: Represents a "net stock issuance" of vested and outstanding Restricted Stock Units. The reporting person received 763 shares of common stock on the net stock issuance of 833 shares of common stock. The reporting person forfeited 70 shares of common stock underlying the vested and outstanding Restricted Stock Units to cover tax withholdings, using the closing stock price on August 16, 2019 of $1.65.

F3: Restricted stock units convert into common stock on a one-for-one basis.

F4: Prior to the Initial Vesting Date, the Vested Ratio shall be zero. On the Initial Vesting Date, the Vested Ratio shall be 1/6, provided the Grantee's service has not been terminated prior to the Initial Vesting Date. For each six month period of Grantee service from the Initial Vesting Date until the Vested Ratio equals 1/1, the Vested Ratio shall be increased by 1/6. This Restricted Stock Unit will be fully vested after three (3) years of service. The Initial Vesting Date shall be six months following the Date of Restricted Stock Unit Grant.

F5: On April 11, 2018, the reporting person was granted 10,000 restricted stock units, vesting in twelve equal quarterly installments beginning the first quarter after the grant date.