WAVEMAN · COMPANY

OSS · One Stop Systems, Inc.

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TEAM-0.32% 13F +439META+2.47% 13F +2,694RCG-2.04% CLUSTERUTHR-4.03% 13F +425CRWV+4.49% 13F +693CRM+2.92% 13F +1,018CVNA-0.98% 13F +794TPL-0.71% 13F +444NET-4.47% 13F +710MSTR-1.35% 13F +526DELL+4.91% 13F +1,203CRWD+5.68% 13F +1,382ANET+1.22% 13F +1,323COIN+10.14% 13F +475TEAM-0.32% 13F +439META+2.47% 13F +2,694RCG-2.04% CLUSTERUTHR-4.03% 13F +425CRWV+4.49% 13F +693CRM+2.92% 13F +1,018CVNA-0.98% 13F +794TPL-0.71% 13F +444NET-4.47% 13F +710MSTR-1.35% 13F +526DELL+4.91% 13F +1,203CRWD+5.68% 13F +1,382ANET+1.22% 13F +1,323COIN+10.14% 13F +475

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OSS

Name: ONE STOP SYSTEMS, INC. (OSS) insider trading and ownership data
Creator: WaveMan
License: https://wave-man.com/terms

ONE STOP SYSTEMS, INC.

INDUSTRIALS · ELECTRONIC COMPUTERS · CIK 0001394056

SEC FILINGS☆ WATCH

INSIDER NET · 180D

-$369.4K

open-market buys minus sells, Form 4 codes P and S

INSIDER BUYERS · 180D

CONGRESS BUYERS · 1Y

FUNDS ADDED · QTR

13F, latest reported quarter

REVENUE GROWTH

+31.2%

XBRL, annual

NET MARGIN

15.8%

SEVEN FACTS, RANKED AGAINST THE SECTOR · RANK IS NOT A FORECAST

INSIDERS

net -$369.4K over 180 days

more than 61% of Industrials

CONGRESS

no member of Congress has reported trading it

FUNDS

80 funds added or opened last quarter

below 66% of Industrials

REVENUE

+31.2% year over year

more than 83% of Industrials

MARGIN

15.8% net margin

more than 91% of Industrials

BUYBACKS

no share repurchases reported

SHORT

16.6% of shares outstanding short · 3.8 days to cover · settled 2026-07-31

more than 99% of Industrials

THE SITUATION · EVERY LINE IS ONE RULE OVER ONE DATASET

Insiders are net sellers: -$369.4K across 3 people in 180 days.

80 funds added or opened positions in the latest 13F quarter, of 110 holders.

The year, with the filings on it

Total return indexed to 100 over the last 12 months · every marker is a federal filing, placed at its date — hover any marker for the detail

TOTAL 12M RETURN +70.5%

+70.5%12M

INSIDER SELL

INDEXED RETURN, DIVIDEND-ADJUSTED — NOT A PRICE CHART · LARGE TRADES DRAWN FIRST WHEN A NAME FILES HEAVILY

Live price

Daily candles from TradingView, on their licence — no filings are marked on this one

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. Every figure is a federal filing, dated the day it became public.

Backtest this pattern Open the screener

Same sector, ranked by filing activity

Sector from the SEC's own SIC classification

DELL ANET TDG TSLA PANW AXON STX KTOS CRCT OFLX JOBY FTNT

Insider transactions

Form 4 purchases and sales (codes P and S) — grants, option exercises and preferred 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 0 insider(s) buying. Source: SEC Form 4 filings, as of 2026-09-05.

INSIDER

FILED

VALUE

BASSETT DAVID GEORGE

Director

SELL

2026-05-26

8,000.0

$141.1K

Matz Gregory W

Director

SELL

2026-05-26

8,000.0

$140.2K

Herbets Mitchell H

Director

SELL

2026-05-26

5,000.0

$88.1K

Manko Joseph M. Jr.

Director

BUY

2024-08-14

25,000.0

$49.8K

Manko Joseph M. Jr.

Director

BUY

2024-08-13

50,000.0

$97.0K

37 TRANSACTIONS ON RECORD

Showing the most recent few. Create a free account to see 32 more transactions on record, the cross-source screener and CSV export. We store only your email address, and there is no password to create.

Institutional holders

13F · holdings as of the latest quarter funds have reported

BlackRock, Inc.

1,837,840.0 sh

$33.4M

JANE STREET GROUP, LLC

1,309,455.0 sh

$23.8M

VANGUARD CAPITAL MANAGEMENT LLC

974,568.0 sh

$17.7M

GEODE CAPITAL MANAGEMENT, LLC

572,918.0 sh

$10.4M

BARD ASSOCIATES INC

526,370.0 sh

$9.6M

SCHEDULE 13D/G

No 5%+ ownership filings

Nobody has crossed 5% with a filing obligation. Absence is a fact here, not missing data.

FORM 144

No planned-sale notices

No insider has notified an intent to sell. This is the panel to watch after a run-up.

Fund concentration

N-PORT · funds ranked by how much of THEMSELVES they put in this stock — the conviction number 13F cannot show

Adara Smaller Companies Fund

$703.7K POSITION · AS OF 2026-02-28

0.1%

iShares Micro-Cap ETF

$393.1K POSITION · AS OF 2026-03-31

0.0%

1290 VT Micro Cap Portfolio

$28.9K POSITION · AS OF 2026-03-31

0.0%

Fidelity Flex Small Cap Index Fund

$31.4K POSITION · AS OF 2026-04-30

0.0%

Fidelity ZERO Extended Market Index Fund

$71.8K POSITION · AS OF 2026-04-30

0.0%

Victory Extended Market Index Fund

$22.2K POSITION · AS OF 2026-04-30

0.0%

SEC N-PORT, MONTHLY WITH A ~60-DAY PUBLIC LAG · FUNDS ≥ $10M · % = SHARE OF THE FUND'S OWN BOOK

Executive pay vs shareholder return

DEF 14A pay-versus-performance disclosure · both the headline pay and the SEC's mark-to-market figure, beside the return the company delivered and the return of the peer group it chose itself

CEO TOTAL

ACTUALLY PAID

OTHER NEOs AVG

TSR

PEER TSR

2024

$865.4K

$537.9K

$343.4K

—

2023

$1.1M

$508.9K

$580.6K

—

TAGGED BY THE COMPANY UNDER SEC ITEM 402(v) · RETURN IS CUMULATIVE FROM THE START OF THE DISCLOSURE PERIOD · THIS FILER REPORTED NO RETURN FIGURES

Fundamentals

Annual figures from XBRL filings · pick a past date to see them exactly as the market knew them then — restatements and all

	2025-12	2024-12	2023-12	2022-12
REVENUE	$32.2M	$24.6M	$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	—	$-108.1K	$-439.7K	$-7.8M
CASH	$31.2M	$4.0M	$4.0M	$3.1M
LONG-TERM DEBT	—	—	—	$409.3K

SEC XBRL · FISCAL-YEAR PERIODS · AS KNOWN ON 2026-09-05 · NOBODY ELSE SHOWS FUNDAMENTALS AS OF A PAST DATE