Key facts
- This page summarizes James Ison's Form 4 filing for ONE STOP SYSTEMS, INC. (OSS).
- 7 reported transactions and 0 derivative rows are listed below.
- Accepted by SEC: 02 Mar 2026, 14:42.
James Ison - 07 Feb 2026 Form 4 Insider Report for ONE STOP SYSTEMS, INC. (OSS)
- Reporting relationship
- CPO
- Issuer ticker
- OSS
- Reported as of
- 07 Feb 2026
- Net transaction value
- -$87,629
- SEC form
- 4
- Accepted by SEC
- 02 Mar 2026, 14:42:13 UTC
- Prior SEC filing
- 25 Aug 2025
- Source filing
- View source filing
- Reporting owner signature
- /s/ James Ison
Source evidence
Original filing metadata and source links for verification.
4 source fields
Reporting owner
1 detail
Key filing fact
James Ison filed Form 4 for ONE STOP SYSTEMS, INC. (OSS) on 02 Mar 2026.
Change
- Previous filing in this sequence was filed on 25 Aug 2025.
- Current net transaction value: -$87,629.
Research use
- This tells you what this filing adds before you inspect full transaction and derivative tables.
- You can trace every row back to the original SEC filing document.
Evidence
Filed on Form 4
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (1)
CIK 0001729652
Primary reporting owner
Ison James
- Relationship
- CPO
- Address
- 2235 ENTERPRISE STREET #110, ESCONDIDO
- Signature
- /s/ James Ison
- Signature date
- 24 Feb 2026
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
OSS
transaction
Common Stock
Award
- Transaction value
- $0
- Shares
- +34,313
- Change %
- +28%
- Price
- $0.000000
- Shares after
- 155,836
- Date
- 07 Feb 2026
- Ownership
- Direct
- Footnotes
- F1, F2
OSS
transaction
Common Stock
Tax liability
- Transaction value
- $60,485
- Shares
- -6,546
- Change %
- -4.2%
- Price
- $9.24
- Shares after
- 149,290
- Date
- 07 Feb 2026
- Ownership
- Direct
- Footnotes
- F3, F4
OSS
transaction
Common Stock
Gift
- Transaction value
- $0
- Shares
- -8,213
- Change %
- -5.5%
- Price
- $0.000000
- Shares after
- 141,077
- Date
- 07 Feb 2026
- Ownership
- Direct
- Footnotes
- F4, F5
OSS
transaction
Common Stock
Gift
- Transaction value
- $0
- Shares
- +8,213
- Change %
- +3.8%
- Price
- $0.000000
- Shares after
- 226,885
- Date
- 07 Feb 2026
- Ownership
- By Trust
- Footnotes
- F6
OSS
transaction
Common Stock
Tax liability
- Transaction value
- $27,144
- Shares
- -3,120
- Change %
- -2.1%
- Price
- $8.70
- Shares after
- 146,170
- Date
- 15 Feb 2026
- Ownership
- Direct
- Footnotes
- F7, F8
OSS
transaction
Common Stock
Gift
- Transaction value
- $0
- Shares
- -4,263
- Change %
- -2.9%
- Price
- $0.000000
- Shares after
- 141,907
- Date
- 15 Feb 2026
- Ownership
- Direct
- Footnotes
- F8, F9
OSS
transaction
Common Stock
Gift
- Transaction value
- $0
- Shares
- +4,263
- Change %
- +1.9%
- Price
- $0.000000
- Shares after
- 231,148
- Date
- 15 Feb 2026
- Ownership
- By Trust
- Footnotes
- F6
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 9 footnotes
Footnote F1
Represents 34,313 restricted stock units granted to the Reporting Person under the Company's 2017 Equity Incentive Plan (the "Plan") in connection with the Reporting Person's ongoing service of the executive management team.
Footnote F2
Includes 148,076 unvested restriced stock units held by the Reporting Person, all of which remain subject to certain vesting conditions.
Footnote F3
The Reporting Person forfeited 6,546 shares of common stock upon conversion of 14,759 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 February 7, 2025.
Footnote F4
Includes 133,317 unvested restricted stock units held by the Reporting Person, all of which remain subject to certain vesting conditions.
Footnote F5
On February 7, 2026 the Reporting Person transferred 8,213 shares of common stock to the James J. Ison Jr. & Sha-Marie A Ison TR UA 06 04 2020 James J. Ison Jr. & Shah-Marie A Ison Inter Vivos Revocable Trust (the "Trust"), of which the Reporting Person is trustee. The Reporting Person and members of his immediate family are the sole beneficiaries of the Trust.
Footnote F6
These shares are owned directly by the Trust, and indirectly by James Ison as trustee of the Trust.
Footnote F7
The Reporting Person forfeited 3,120 shares of common stock upon conversion of 7,383 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 July 1, 2024.
Footnote F8
Includes 125,934 unvested restricted stock units held by the Reporting Person, all of which remain subject to certain vesting conditions.
Footnote F9
On February 15, 2026 the Reporting Person transferred 4,263 shares of common stock to the James J. Ison Jr. & Sha-Marie A Ison TR UA 06 04 2020 James J. Ison Jr. & Shah-Marie A Ison Inter Vivos Revocable Trust (the "Trust"), of which the Reporting Person is trustee. The Reporting Person and members of his immediate family are the sole beneficiaries of the Trust.