OSS ONE Stop Systems (OSS) Insider Trading, Ownership & Congress Trades
Tech Hardware · Electronic computers · CIK 0001394056
SEC filings
Insider buyers, 180 days
0
House members buying, 1 year
0
STOCK Act, US House only, disclosed up to 45 days after the trade
Funds added, last quarter
80
13F, latest reported quarter
What the filings say about OSS
Insiders, 180 days
-$369.4K net sold
3 sellers · 0% of sales under a 10b5-1 plan
ONE Stop Systems insider trades (Form 4)
Form 4 buys and sells (codes P and S). Grants, option exercises
and conversions excluded.
Over the last 180 days, ONE STOP SYSTEMS, INC. insiders sold a net $369.4K of stock across 37 Form 4 purchases and sales, with no insider buying. Source: SEC Form 4 filings, as of 2026-10-27.
Insider
Filed
Shares
Value
Since filing
Context
- First Form 4 purchase or sale (code P or S) here by this insider on our record.
- The trade is 32.0% of the 24,984 shares held after it.
- 2 other insiders sold within 30 days.
- 80 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Director BASSETT DAVID GEORGE sold about $141.1K of OSS on May 26, 2026, the largest insider sale at the company since 2024; 2 other insiders sold within 30 days and 80 funds added in the latest 13F quarter.Context
- 1 earlier Form 4 trade (code P or S) here by this insider (1 buy), the last on Aug 15, 2023.
- The trade is 10.1% of the 78,914 shares held after it.
- 2 other insiders sold within 30 days.
- 80 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Director Matz Gregory W sold about $140.2K of OSS on May 26, 2026, the largest insider sale at the company since 2024; 2 other insiders sold within 30 days and 80 funds added in the latest 13F quarter.Context
- First Form 4 purchase or sale (code P or S) here by this insider on our record.
- The trade is 10.2% of the 48,984 shares held after it.
- 2 other insiders sold within 30 days.
- 80 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Director Herbets Mitchell H sold about $88.1K of OSS on May 26, 2026, the largest insider sale at the company since 2024; 2 other insiders sold within 30 days and 80 funds added in the latest 13F quarter.Context
- 1 earlier Form 4 trade (code P or S) here by this insider (1 buy), the last on Aug 13, 2024.
- The trade is 2.1% of the 1,174,899 shares held after it.
- No other insider bought within 30 days.
- 80 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Director Manko Joseph M. Jr. bought about $49.8K of OSS on Aug 14, 2024; 80 funds added in the latest 13F quarter.Context
- First Form 4 purchase or sale (code P or S) here by this insider on our record.
- The trade is 4.3% of the 1,149,899 shares held after it.
- No other insider bought within 30 days.
- 80 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Director Manko Joseph M. Jr. bought about $97.0K of OSS on Aug 13, 2024, the largest insider purchase at the company on our record; 80 funds added in the latest 13F quarter.37 transactions on record
Since filing: total return from the first close after the filing to the latest close, dividend-adjusted. Not a forecast.
Context lines are counts over the filings above and returns from our own price history, never a price level. Not investment advice.
Seven facts, ranked against the sector ·
Rank is not a forecast
Insiders
net -$369.4K over 180 days
more than 62% of Tech Hardware
Congress
no House purchase disclosed in the last 12 months
Funds
80 funds bought in last quarter
below 55% of Tech Hardware
Revenue
+31.2% year over year
more than 81% of Tech Hardware
Margin
15.8% net margin
more than 82% of Tech Hardware
Buybacks
no share repurchases reported
Short interest
20.5% of the float short (float per yahoo 2026-10-26) · 7.0 days to cover · settled 2026-09-30
more than 94% of Tech Hardware
What changed in the last 30 days
Oct 27Insider selling stopped: no sales in 90 days after 3 in the prior 90
Why it matters
The absence is the signal: 3 sales in one 90-day window and none in the next is a change of behaviour, not a filing.
Watch OSS
A free account keeps a watchlist and can send one email a day when insiders, funds or Congress file on the names in it. No password and no card.
The year, with the filings on it
Total return over 12 months. Each marker is a filing; hover or tap one for the detail.
+18.4%12M
Insider sell
Indexed to 100, dividend-adjusted, not a price chart.
When a name files heavily, the largest trades are drawn first.
Who owns OSS: institutional holders (13F)
13F holdings, latest reported quarter
1,837,840 sh
$33.4M
1,309,455 sh
$23.8M
974,568 sh
$17.7M
572,918 sh
$10.4M
526,370 sh
$9.6M
Congress trades in OSS
No Congress trades reported
No House member has disclosed a trade in this stock. See what Congress is buying.
Activist and 5% holders (13D/13G)
No 5%+ ownership filings
Nobody has filed for crossing 5%. That is a fact, not missing data.
OSS planned insider sales (Form 144)
No planned-sale notices
No insider has filed to sell. Watch this after a run-up.
OSS mutual fund holders (N-PORT)
Funds ranked by the share of their own portfolio in this stock (N-PORT).
GMO U.S. Small Cap Value Fund
$65.0K position · as of 2026-05-31
0.1%
ACUITAS US MICROCAP FUND
$115.7K position · as of 2026-06-30
0.1%
iShares Micro-Cap ETF
$1.4M position · as of 2026-06-30
0.1%
Goldman Sachs Small Cap Growth Insights Fund
$204.8K position · as of 2026-07-31
0.1%
Goldman Sachs Small Cap Equity Insights Fund
$428.4K position · as of 2026-07-31
0.0%
1290 VT Micro Cap Portfolio
$91.5K position · as of 2026-06-30
0.0%
SEC N-PORT, monthly, about 60 days late · funds ≥ $10M ·
% is the share of the fund's own portfolio
Executive pay vs shareholder return
CEO pay, headline and as actually paid, against the company's
return and its chosen peers' (DEF 14A).
FY
CEO total
Actually paid
Other execs, avg
TSR
Peer TSR
2024
$865.4K
$537.9K
$343.4K
n/a
n/a
2023
$1.1M
$508.9K
$580.6K
n/a
n/a
Tagged by the company under SEC Item 402(v). Returns are
cumulative from the start of the disclosure period. This filer reported no return figures.
Live price
Daily candles from TradingView, under their licence. No filings marked.
Why this name is on the desk
The complete filing record, in one place.
The record shows a net $369.4K sold by insiders over 180 days, 80 funds added last quarter. Each figure is a federal filing, dated the day it went public.
OSS financials
Revenue growth
+31.2%
XBRL, annual
Net margin
15.8%
Ratios from the company's XBRL filings, latest filings
Revenue, TTM
$23.3M
four quarters, 2025-07-01 to 2026-06-30
Revenue, TTM OSS
| FY Dec 2025 | $32.2M |
| FY Dec 2024 | $54.7M |
| FY Dec 2023 | $60.9M |
| FY Dec 2022 | $72.4M |
| FY Dec 2021 | $62.0M |
| Jun 2026 | $9.3M |
| Mar 2026 | $8.1M |
| Dec 2025 | -$12.9M |
| Sep 2025 | $18.8M |
| Jun 2025 | $14.1M |
| Mar 2025 | $12.3M |
| Dec 2024 | $15.1M |
| Sep 2024 | $13.7M |
At each fiscal year end
Single quarter
Net margin, TTM
+5.5%
net income over revenue, 2025-07-01 to 2026-06-30
Net margin, TTM OSS
| FY Dec 2025 | +15.8% |
| FY Dec 2024 | -24.9% |
| FY Dec 2023 | -8.4% |
| FY Dec 2022 | -3.1% |
| FY Dec 2021 | +3.8% |
| Jun 2026 | -78.3% |
| Mar 2026 | -6.4% |
| Dec 2025 | n/a |
| Sep 2025 | +1.4% |
| Jun 2025 | -14.3% |
| Mar 2025 | -16.5% |
| Dec 2024 | -20.7% |
| Sep 2024 | -49.7% |
At each fiscal year end
Single quarter
Free cash flow, TTM
-$7.4M
operating cash flow minus capex, 2024-10-01 to 2025-09-30
Free cash flow, TTM OSS
| FY Dec 2025 | -$7.3M |
| FY Dec 2024 | -$336.4K |
| FY Dec 2023 | -$1.3M |
| FY Dec 2022 | -$8.3M |
| FY Dec 2021 | $5.1M |
| Jun 2026 | n/a |
| Mar 2026 | n/a |
| Dec 2025 | n/a |
| Sep 2025 | -$3.8M |
| Jun 2025 | -$418.5K |
| Mar 2025 | -$1.1M |
| Dec 2024 | -$2.2M |
| Sep 2024 | $822.1K |
At each fiscal year end
Single quarter
Debt to equity
0.08x
LongTermDebt as filed 2023-06-30 (36 months older than the period end) (includes the current portion); equity 2026-06-30
Debt to equity OSS
| FY Dec 2025 | 0.07x |
| FY Dec 2024 | 0.11x |
| FY Dec 2023 | 0.08x |
| FY Dec 2022 | 0.08x |
| FY Dec 2021 | 0.09x |
| Jun 2026 | 0.08x |
| Mar 2026 | 0.07x |
| Dec 2025 | 0.07x |
| Sep 2025 | 0.11x |
| Jun 2025 | 0.11x |
| Mar 2025 | 0.12x |
| Dec 2024 | 0.11x |
| Sep 2024 | 0.10x |
At each fiscal year end
Trailing four quarters at each quarter end
Cash flow to debt
-2.38x
TTM operating cash flow over LongTermDebt as filed 2023-06-30 (36 months older than the period end) (includes the current portion)
Cash flow to debt OSS
| FY Dec 2025 | -2.38x |
| FY Dec 2024 | -0.04x |
| FY Dec 2023 | -0.15x |
| FY Dec 2022 | -2.32x |
| FY Dec 2021 | 1.51x |
| Jun 2026 | -2.38x |
| Mar 2026 | -2.38x |
| Dec 2025 | -2.38x |
| Sep 2025 | -2.38x |
| Jun 2025 | -0.94x |
| Mar 2025 | -1.09x |
| Dec 2024 | -0.04x |
| Sep 2024 | 0.49x |
At each fiscal year end
Trailing four quarters at each quarter end
Return on equity
+4.0%
TTM net income over average of 2025-06-30 and 2026-06-30
Return on equity OSS
| FY Dec 2025 | +13.9% |
| FY Dec 2024 | -40.8% |
| FY Dec 2023 | -12.1% |
| FY Dec 2022 | -5.2% |
| FY Dec 2021 | +6.5% |
| Jun 2026 | +4.0% |
| Mar 2026 | +18.4% |
| Dec 2025 | +13.9% |
| Sep 2025 | -24.3% |
| Jun 2025 | -44.6% |
| Mar 2025 | -44.4% |
| Dec 2024 | -40.8% |
| Sep 2024 | -26.2% |
At each fiscal year end
Trailing four quarters at each quarter end
Return on assets
+2.7%
TTM net income over average of 2025-06-30 and 2026-06-30
Return on assets OSS
| FY Dec 2025 | +11.3% |
| FY Dec 2024 | -32.0% |
| FY Dec 2023 | -9.7% |
| FY Dec 2022 | -4.1% |
| FY Dec 2021 | +5.1% |
| Jun 2026 | +2.7% |
| Mar 2026 | +14.9% |
| Dec 2025 | +11.3% |
| Sep 2025 | -15.9% |
| Jun 2025 | -32.2% |
| Mar 2025 | -33.5% |
| Dec 2024 | -32.0% |
| Sep 2024 | -19.2% |
At each fiscal year end
Trailing four quarters at each quarter end
Return on invested capital
n/a
the filed year and its quarters do not reconcile, so the trailing figure is withheld
Return on invested capital OSS
| FY Dec 2025 | n/a |
| FY Dec 2024 | n/a |
| FY Dec 2023 | n/a |
| FY Dec 2022 | n/a |
| FY Dec 2021 | +4.1% |
| Jun 2026 | n/a |
| Mar 2026 | n/a |
| Dec 2025 | n/a |
| Sep 2025 | n/a |
| Jun 2025 | n/a |
| Mar 2025 | n/a |
| Dec 2024 | n/a |
| Sep 2024 | n/a |
At each fiscal year end
Trailing four quarters at each quarter end
Return on capital employed
n/a
the filed year and its quarters do not reconcile, so the trailing figure is withheld
Return on capital employed OSS
| FY Dec 2025 | n/a |
| FY Dec 2024 | -44.7% |
| FY Dec 2023 | -18.3% |
| FY Dec 2022 | +3.6% |
| FY Dec 2021 | +4.8% |
| Jun 2026 | n/a |
| Mar 2026 | n/a |
| Dec 2025 | n/a |
| Sep 2025 | -31.2% |
| Jun 2025 | -49.9% |
| Mar 2025 | -49.6% |
| Dec 2024 | -44.7% |
| Sep 2024 | -29.0% |
At each fiscal year end
Trailing four quarters at each quarter end
P/E, trailing
65.67x
close 2026-10-23 over four quarters of diluted EPS, 2025-07-01 to 2026-06-30
P/E, trailing OSS
| FY Dec 2025 | 32.64x |
| FY Dec 2024 | n/a |
| FY Dec 2023 | n/a |
| FY Dec 2022 | n/a |
| FY Dec 2021 | 41.25x |
| Jun 2026 | 202.00x |
| Mar 2026 | 26.10x |
| Dec 2025 | 32.64x |
| Sep 2025 | n/a |
| Jun 2025 | n/a |
| Mar 2025 | n/a |
| Dec 2024 | n/a |
| Sep 2024 | n/a |
At each fiscal year end
Trailing four quarters at each quarter end
Enterprise value
$133.1M
market value at close 2026-10-23 on 2026-06-30 shares, plus LongTermDebt as filed 2023-06-30 (36 months older than the period end) (includes the current portion), minus cash 2026-06-30
Enterprise value OSS
| FY Dec 2025 | $147.9M |
| FY Dec 2024 | $69.7M |
| FY Dec 2023 | $42.2M |
| FY Dec 2022 | $60.5M |
| FY Dec 2021 | $91.0M |
| Jun 2026 | $439.1M |
| Mar 2026 | $166.2M |
| Dec 2025 | $147.9M |
| Sep 2025 | $114.0M |
| Jun 2025 | $71.2M |
| Mar 2025 | $43.7M |
| Dec 2024 | $69.7M |
| Sep 2024 | $43.9M |
At each fiscal year end
Trailing four quarters at each quarter end
FCF yield
-5.0%
TTM free cash flow over market value at close 2026-10-23
FCF yield OSS
| FY Dec 2025 | -4.1% |
| FY Dec 2024 | -0.5% |
| FY Dec 2023 | -2.9% |
| FY Dec 2022 | -13.8% |
| FY Dec 2021 | +5.5% |
| Jun 2026 | -1.6% |
| Mar 2026 | -3.9% |
| Dec 2025 | -4.1% |
| Sep 2025 | -6.4% |
| Jun 2025 | -3.8% |
| Mar 2025 | -7.1% |
| Dec 2024 | -0.5% |
| Sep 2024 | +1.5% |
At each fiscal year end
Trailing four quarters at each quarter end
PEG, trailing
n/a
prior-year trailing EPS was a loss, growth undefined
PEG, trailing OSS
| FY Dec 2025 | n/a |
| FY Dec 2024 | n/a |
| FY Dec 2023 | n/a |
| FY Dec 2022 | n/a |
| FY Dec 2021 | n/a |
| Jun 2026 | n/a |
| Mar 2026 | n/a |
| Dec 2025 | n/a |
| Sep 2025 | n/a |
| Jun 2025 | n/a |
| Mar 2025 | n/a |
| Dec 2024 | n/a |
| Sep 2024 | n/a |
At each fiscal year end
Trailing four quarters at each quarter end
Price as of 2026-10-23. Hover or tap a tile for its yearly and quarterly history.
Method
TTM is four consecutive fiscal quarters; Q4 is the year minus nine months when not filed. Returns use the average of opening and closing balances. EBIT is approximated by operating income. PEG uses trailing EPS growth.
Fundamentals
Annual figures from XBRL filings. Pick a past date to see them as known then.
| 2025-12 | 2024-12 | 2023-12 | 2022-12 | |
|---|---|---|---|---|
| Revenue | $32.2M | $54.7M | $60.9M | $72.4M |
| Gross profit | $16.0M | $622.9K | $18.0M | $20.4M |
| Operating income | -$3.4M | -$15.7M | -$7.9M | $1.6M |
| Net income | $5.1M | -$13.6M | -$5.1M | -$2.2M |
| EPS (diluted) | 0.22 | -0.65 | -0.32 | -0.11 |
| Operating cash flow | n/a | -$108.1K | -$439.7K | -$7.8M |
| Cash | $31.2M | $4.0M | $4.0M | $3.1M |
| Long-term debt | n/a | n/a | n/a | $409.3K |
SEC XBRL, fiscal years, as known on 2026-10-27
OSS Stock Sonar score 6/7 axes
Find similar shapesCompareOSS ranks highest on profitability (55th percentile) and risk and compliance (44th), and lowest on insider conviction (30th), among Tech Hardware peers.
6 of 7 axes scored. Each is a percentile against sector peers (all companies when the sector is thin); higher is better. An unscored axis is unmeasured, not low. How it is scored
OSS filings, in plain words
Are ONE Stop Systems insiders buying or selling OSS?
In the 180 days to 2026-10-27, ONE Stop Systems insiders were net sellers, a net $369.4K across purchases and sales reported on Form 4, by 3 sellers.
Read the full summary
In the 180 days to 2026-10-27, ONE Stop Systems insiders were net sellers of OSS, a net $369.4K across purchases and sales reported on Form 4 by 3 sellers. None of the 3 insider sales was flagged as made under a Rule 10b5-1 plan. Each figure is counted from SEC and House filings as of 2026-10-27, dated the day the filing was made public.
Explore insider trading and ownership data
Every company we track, ranked by each kind of filing
