OSS Buy Disclosure
Sean McMaster · Executive branch OGE 278-T · Filed Mar 13, 2026
Buy
Reported value range
$15K - $50K
Sean McMaster
Executive branch official
OSS
One Stop Systems
OSS
Transaction date
Jan 13, 2026
Public filing date
Mar 13, 2026
Filing lag
Filed 59 days later
OSS daily price context
Close on/before transaction
$11.3
Jan 13, 2026
First close after public filing
$10.21
Mar 16, 2026
30-day return after filing
-13.22%
Through Apr 13, 2026
Source details
- Reported owner
- Not disclosed
- Source asset code
- Security
- Security
- One Stop Systems Inc. Common Stock (OSS)
- Quantity / price
- Not reported
- Transaction code
- P
- Form
- 278T
- Filing identifier
- oge_278t:E3D897DB72CEF27F85258DB9002EEB15:1
Filing cohort
Transactions in this filing
Showing 4 of 4
Trades
4
Issuers
3
Estimated value
$105.5K
Buys / sales
4 / 0
| Issuer | Transaction | Traded | Value |
|---|---|---|---|
| One Stop Systems Inc. Common Stock OSS Current | Buy | Jan 13, 2026 | $15K - $50K |
| Grab Holdings Limited Class A Ordinary Shares GRAB | Buy | Jan 9, 2026 | $15K - $50K |
| Robinhood Markets Inc. Class A Common Stock HOOD | Buy | Jan 9, 2026 | $1K - $15K |
| Grab Holdings Limited Class A Ordinary Shares GRAB | Buy | Dec 18, 2025 | $15K - $50K |