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One Stop Systems, Inc.

OSS
Exchange
Nasdaq
Industry
Electronic Computers
SEC CIK
0001394056

No open-market purchases or sales by One Stop Systems, Inc. insiders were filed in the last 90 days; 108 institutions reported holding it in 13F filings for Q2 2026, worth $196.3M in total; no superinvestor holds it.

Open-market trades, last 90 days

Open-market purchases (P) and sales (S) by One Stop Systems, Inc. insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.

Open-market buys
0 filings
Open-market sells
0 filings
Insiders trading
0
Net value
$0
Purchases minus sales

Insider roster

Directors, officers and 10% owners who have filed a Form 4 for One Stop Systems, Inc., current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.

Insider roster for One Stop Systems, Inc.
NameTitleLast reported holdingLast filingFilings, past year
Knowles MichaelChief Executive Officer590,141Sep 4, 20266
Gabel Daniel G.Chief Financial Officer150,064Sep 4, 20265
Matz Gregory WDirector78,914May 26, 20261
Herbets Mitchell HDirector48,984May 26, 20261
Dumont Michael J.Director119,833May 26, 20261
Bassett David GeorgeDirector24,984May 26, 20261
Ison JamesCPO231,148IndirectMar 2, 20261
Morrison John W Jr.Chief Financial Officer305,381Nov 12, 20240
Manko Joseph M. Jr.Director1,174,899IndirectAug 15, 20240
Potashner Kenneth FDirector398,601Jul 11, 20240
Messinger GioiaDirector49,690Jul 3, 20240
Raun DavidDirector425,597Apr 3, 20240
Cooper Steve D10% Owner1,923,572IndirectJan 24, 20240
Harrison JackDirector71,984Mar 21, 20220
Sentovich Kimberly C.Director39,266Mar 21, 20220
Lowman Teresita M.Director29,930Mar 21, 20220

Insider trades

Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
May 26, 2026 (view filing)May 26Same dayBassett David GeorgeDirectorSSale−8.00K$17.64−$141.1K−24.3%25.0K after
May 26, 2026 (view filing)May 26Same dayMatz Gregory WDirectorSSale−8.00K$17.52−$140.2K−9.2%78.9K after
May 26, 2026 (view filing)May 26Same dayHerbets Mitchell HDirectorSSale−5.00K$17.62−$88.1K−9.3%49.0K after
Aug 15, 2024 (view filing)Aug 13-142 daysManko Joseph M. Jr.DirectorPPurchase+75.0K$1.96+$146.8K+6.8%1.17M after2 lots
Jan 24, 2024 (view filing)Jan 222 daysCooper Steve D10% OwnerSSaleOne Stop Systems, Inc−206.0K$1.81−$372.9K−9.7%1.92M after
Aug 18, 2023 (view filing)Aug 162 daysKnowles MichaelChief Executive OfficerPPurchase+1.13K$1.80+$2.03K+0.3%401.1K after
Aug 15, 2023 (view filing)Aug 141 dayRaun DavidDirectorPPurchase+5.00K$1.97+$9.85K+1.2%411.6K after
Aug 15, 2023 (view filing)Aug 15Same dayMatz Gregory WDirectorPPurchase+2.50K$1.77+$4.42K+8.2%32.9K after
Aug 1, 2023 (view filing)Jul 311 dayCooper Steve D10% OwnerSSaleOne Stop Systems, Inc−203.6K$2.80−$570.1K−8.7%2.13M after
Apr 25, 2023 (view filing)Apr 214 daysCooper Steve D10% OwnerSSaleOne Stop Systems, Inc−203.6K$2.32−$472.3K−8.0%2.33M after
Dec 20, 2022 (view filing)Dec 20Same dayCooper Steve D10% OwnerSSaleOne Stop Systems, Inc−200.3K$2.70−$540.9K−7.3%2.54M after
Aug 26, 2022 (view filing)Aug 251 dayCooper Steve D10% OwnerSSaleOne Stop Systems, Inc−21$4.05−$85.050.0%2.74M after
Aug 17, 2022 (view filing)Aug 152 daysCooper Steve D10% OwnerSSaleOne Stop Systems, Inc−2.90K$4.05−$11.7K−0.1%2.74M after
Jul 27, 2022 (view filing)Jul 225 daysLateCooper Steve D10% OwnerSSaleOne Stop Systems, Inc−2.21K$3.95−$8.73K−0.1%2.74M after
Jul 22, 2022 (view filing)Jul 20-212 daysCooper Steve D10% OwnerSSaleOne Stop Systems, Inc−12.0K$3.95−$47.4K−0.4%2.74M after2 lots
Apr 11, 2022 (view filing)Apr 8-113 daysCooper Steve D10% OwnerSSaleOne Stop Systems, Inc−77.9K$4.37−$340.6K−2.8%2.75M after2 lots
Mar 31, 2022 (view filing)Mar 292 daysCooper Steve D10% OwnerSSaleOne Stop Systems, Inc−2.10K$4.12−$8.65K−0.1%2.83M after
Jan 4, 2022 (view filing)Dec 31, 20214 daysCooper Steve D10% OwnerSSaleOne Stop Systems, Inc−10.0K$5.15−$51.5K−0.4%2.83M after
Nov 26, 2021 (view filing)Nov 23-243 daysCooper Steve D10% OwnerSSaleOne Stop Systems, Inc−20.0K$5.35−$107.0K−0.7%2.84M after2 lots
Nov 22, 2021 (view filing)Nov 22Same dayRaun DavidPresident and CEOPPurchaseCommon Stocik+2.00K$5.00+$10.0K+1.3%158.0K after
Nov 4, 2021 (view filing)Nov 22 daysCooper Steve D10% OwnerSSaleOne Stop Systems, Inc+8.25K$5.25+$43.3K+0.3%2.86M after
Sep 29, 2021 (view filing)Sep 272 daysCooper Steve D10% OwnerSSaleOne Stop Systems, Inc−1.75K$5.25−$9.17K−0.1%2.87M after
Sep 13, 2021 (view filing)Sep 103 daysCooper Steve D10% OwnerSSaleOne Stop Systems, Inc−10.0K$5.83−$58.3K−0.3%2.87M after
Sep 9, 2021 (view filing)Sep 7-82 daysCooper Steve D10% OwnerSSaleOne Stop Systems, Inc−4.02K$6.10−$24.5K−0.1%2.88M after2 lots
Sep 7, 2021 (view filing)Sep 2-35 daysCooper Steve D10% OwnerSSaleOne Stop Systems, Inc−50.0K$6.03−$301.6K−1.7%2.89M after2 lots
Aug 30, 2021 (view filing)Aug 273 daysCooper Steve D10% OwnerSSaleOne Stop Systems, Inc−50.0K$5.66−$283.0K−1.7%2.94M after
Aug 19, 2021 (view filing)Aug 181 dayRaun DavidPresident and CEOPPurchase+2.00K$5.45+$10.9K+1.3%156.0K after
Aug 11, 2021 (view filing)Aug 6-105 daysLateCooper Steve D10% OwnerSSaleOne Stop Systems, Inc−54.4K$6.21−$338.0K−1.8%2.99M after3 lots