Form 4 holding
Chief Executive Officer, Director
ONE STOP SYSTEMS, INC.
- Security class
- Common Stock
- Shares / value
- 648,058
- Estimated value
- $5,638,104
- Report date
- 15 Feb 2026
- Price
- $8.70
- Ownership
- Direct
Michael Knowles
Insider Reports History
- Location
- San Diego, CA
- Owner filing signature
- /s/ Michael Knowles
- Transaction evidence
- Report rows are grouped by the transaction date disclosed in the original SEC filing. Open the aggregated insider activity page to review issuer-level activity across dates.
Identity
1 identity field
SEC source record
1 source field
Source evidence
1 source field
Reported holdings for Michael Knowles
Form 4 holding
President, CMPS - SVP, CORP
CUBIC CORP /DE/
- Security class
- Common Stock
- Shares / value
- 0
- Estimated value
- Report date
- 25 May 2021
- Price
- $75.00
- Ownership
- Direct
Form 4 holding
President, CMPS - SVP, CORP
CUBIC CORP /DE/
- Security class
- Performance Restricted Stock Units
- Shares / value
- 0
- Estimated value
- Report date
- 25 May 2021
- Price
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
Insider Reports Filed by Michael Knowles
4
OSS
ONE STOP SYSTEMS, INC.
- Report period
- 07 Feb 2026
- Transactions
- 2
- Transaction value
- -$180,729
- Accepted by SEC
- 02 Mar 2026, 13:52
- Role
- Chief Executive Officer, Director
- Next action
- Open filing details
4
OSS
ONE STOP SYSTEMS, INC.
- Report period
- 07 Feb 2026
- Transactions
- 1
- Transaction value
- $0
- Accepted by SEC
- 11 Feb 2026, 14:21
- Role
- Chief Executive Officer, Director
- Next action
- Open filing details
4
OSS
ONE STOP SYSTEMS, INC.
- Report period
- 31 Dec 2025
- Transactions
- 1
- Transaction value
- -$136,958
- Accepted by SEC
- 07 Jan 2026, 15:15
- Role
- Chief Executive Officer, Director
- Next action
- Open filing details
4/A
OSS
ONE STOP SYSTEMS, INC.
- Report period
- 21 May 2025
- Transactions
- 1
- Transaction value
- $0
- Accepted by SEC
- 27 Mar 2026, 18:53
- Role
- Chief Executive Officer, Director
- Next action
- Open filing details
4
OSS
ONE STOP SYSTEMS, INC.
- Report period
- 07 Feb 2025
- Transactions
- 5
- Transaction value
- +$368,173
- Accepted by SEC
- 02 Sep 2025, 19:49
- Role
- Chief Executive Officer, Director
- Next action
- Open filing details
4
OSS
ONE STOP SYSTEMS, INC.
- Report period
- 05 Dec 2024
- Transactions
- 1
- Transaction value
- -$42,235
- Accepted by SEC
- 30 Dec 2024, 16:10
- Role
- Chief Executive Officer, Director
- Next action
- Open filing details
4
OSS
ONE STOP SYSTEMS, INC.
- Report period
- 01 Jul 2024
- Transactions
- 1
- Transaction value
- $0
- Accepted by SEC
- 03 Jul 2024, 20:47
- Role
- Chief Executive Officer, Director
- Next action
- Open filing details
4
OSS
ONE STOP SYSTEMS, INC.
- Report period
- 17 Jun 2024
- Transactions
- 1
- Transaction value
- -$82,949
- Accepted by SEC
- 18 Jun 2024, 17:44
- Role
- Chief Executive Officer, Director
- Next action
- Open filing details
4
OSS
ONE STOP SYSTEMS, INC.
- Report period
- 16 Aug 2023
- Transactions
- 1
- Transaction value
- +$2,034
- Accepted by SEC
- 18 Aug 2023, 21:34
- Role
- Chief Executive Officer
- Next action
- Open filing details
4
OSS
ONE STOP SYSTEMS, INC.
- Report period
- 05 Jun 2023
- Transactions
- 2
- Transaction value
- $0
- Accepted by SEC
- 06 Jun 2023, 18:19
- Role
- Chief Executive Officer
- Next action
- Open filing details
3
OSS
ONE STOP SYSTEMS, INC.
- Report period
- 05 Jun 2023
- Transactions
- 0
- Transaction value
- $0
- Accepted by SEC
- 06 Jun 2023, 18:06
- Role
- Chief Executive Officer
- Next action
- Open filing details
4
CUBIC CORP /DE/
- Report period
- 25 May 2021
- Transactions
- 4
- Transaction value
- -$1,017,450
- Accepted by SEC
- 25 May 2021, 17:26
- Role
- President, CMPS - SVP, CORP
- Next action
- Open filing details