United States Computers, Phones & Household Electronics

One Stop Systems Inc (OSS)

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Over the past 90 days, One Stop Systems Inc. experienced insider selling totaling approximately $369,380. Six transactions were recorded, all involving directors selling shares or filing proposed sales. This activity follows a recent earnings report where the company beat EPS expectations by 120%, amid a 25.5% increase in stock price over the same period.
Ticker: OSS Exchange: NAS
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
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Insider trades have triggered activity signals for One Stop Systems Inc. Upgrade to see score, net flow, insiders and the full signal context.

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Top insiders
Trades
Sale 26 May 2026
Value US$101,068.32 | Price 378.24 | Shares 22,686 (-43.4%)
Proposed sale 26 May 2026
Value US$3,608,313.44 | Price 56.62 | Shares 43,670
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-05-26 2026-05-26 S Sale
BASSETT DAVID GEORGE
Non-Executive Director
22,686 -43.4%
378.24
US$101,068 		22,686 -43.4% 378.24 US$101,068
2026-05-26 2026-05-26 S Sale
3.4
Matz Gregory W
Non-Executive Director
5,985 -42.7%
243.94
US$3,360,295 		5,985 -42.7% 243.94 US$3,360,295
2026-05-26 2026-05-26 S Sale
Herbets Mitchell H
Non-Executive Director
35,356 +37.2%
446.34
US$3,023,873 		35,356 +37.2% 446.34 US$3,023,873
2026-05-26 2026-05-26 PrS Proposed sale
MITCHELL HERBETS

Director

Non-Executive Director
5,000
17.63
US$88,125 		5,000 17.63 US$88,125
2026-05-26 2026-05-26 PrS Proposed sale
BASSETT DAVID GEORGE

Director

Non-Executive Director
8,000
17.86
US$142,880 		8,000 17.86 US$142,880
2026-05-26 2026-05-26 PrS Proposed sale
3.4
Matz Gregory W

Director

Non-Executive Director
8,000
17.22
US$137,760 		8,000 17.22 US$137,760
2024-08-15 2024-08-14 B Purchase
2.6
Manko Joseph M. Jr.
Non-Executive Director
25,000 +2.2%
1.99
US$49,750 		25,000 +2.2% 1.99 US$49,750
2024-08-15 2024-08-13 B Purchase
2.6
Manko Joseph M. Jr.
Non-Executive Director
50,000 +4.5%
1.94
US$97,000 		50,000 +4.5% 1.94 US$97,000
2024-01-24 2024-01-22 S Sale
2.8
Cooper Steve D
Large shareholder
206,040 -9.7%
1.81
US$372,932 		206,040 -9.7% 1.81 US$372,932
2023-08-18 2023-08-16 B Purchase
2.2
KNOWLES MICHAEL

Chief Executive Officer

Officer
1,130 +0.3%
1.80
US$2,034 		1,130 +0.3% 1.80 US$2,034
2023-08-15 2023-08-15 B Purchase
3.4
Matz Gregory W
Non-Executive Director
2,500 +8.2%
1.77
US$4,425 		2,500 +8.2% 1.77 US$4,425
2023-08-15 2023-08-14 B Purchase
3.8
RAUN DAVID
Non-Executive Director
5,000 +1.2%
1.97
US$9,850 		5,000 +1.2% 1.97 US$9,850
2023-08-01 2023-07-31 S Sale
2.8
Cooper Steve D
Large shareholder
203,591 -8.7%
2.80
US$570,055 		203,591 -8.7% 2.80 US$570,055
2023-04-25 2023-04-21 S Sale
2.8
Cooper Steve D
Large shareholder
203,591 -8.0%
2.32
US$472,779 		203,591 -8.0% 2.32 US$472,779
2022-12-20 2022-12-20 S Sale
2.8
Cooper Steve D
Large shareholder
200,324 -7.3%
2.70
US$540,875 		200,324 -7.3% 2.70 US$540,875
2022-08-26 2022-08-25 S Sale
2.8
Cooper Steve D
Large shareholder
21 -0.0%
4.05
US$85 		21 -0.0% 4.05 US$85
2022-08-17 2022-08-15 S Sale
2.8
Cooper Steve D
Large shareholder
2,898 -0.1%
4.05
US$11,737 		2,898 -0.1% 4.05 US$11,737
2022-07-27 2022-07-22 S Sale
2.8
Cooper Steve D
Large shareholder
2,210 -0.1%
3.95
US$8,730 		2,210 -0.1% 3.95 US$8,730
2022-07-22 2022-07-21 S Sale
2.8
Cooper Steve D
Large shareholder
1,914 -0.1%
3.95
US$7,560 		1,914 -0.1% 3.95 US$7,560
2022-07-22 2022-07-20 S Sale
2.8
Cooper Steve D
Large shareholder
10,076 -0.4%
3.95
US$39,800 		10,076 -0.4% 3.95 US$39,800
2022-04-11 2022-04-11 S Sale
2.8
Cooper Steve D
Large shareholder
30,000 -1.1%
4.71
US$141,300 		30,000 -1.1% 4.71 US$141,300
2022-04-11 2022-04-08 S Sale
2.8
Cooper Steve D
Large shareholder
47,900 -1.7%
4.16
US$199,264 		47,900 -1.7% 4.16 US$199,264
2022-01-04 2021-12-31 S Sale
2.8
Cooper Steve D
Large shareholder
10,000 -0.4%
5.15
US$51,500 		10,000 -0.4% 5.15 US$51,500
2021-11-26 2021-11-24 S Sale
2.8
Cooper Steve D
Large shareholder
10,000 -0.4%
5.40
US$54,000 		10,000 -0.4% 5.40 US$54,000
2021-11-26 2021-11-23 S Sale
2.8
Cooper Steve D
Large shareholder
10,000 -0.3%
5.30
US$53,000 		10,000 -0.3% 5.30 US$53,000
2021-11-22 2021-11-22 B Purchase
3.8
RAUN DAVID

President and CEO

Executive Director
2,000 +1.3%
5.00
US$10,000 		2,000 +1.3% 5.00 US$10,000
2021-09-29 2021-09-27 S Sale
2.8
Cooper Steve D
Large shareholder
1,746 -0.1%
5.25
US$9,166 		1,746 -0.1% 5.25 US$9,166
2021-09-13 2021-09-10 S Sale
2.8
Cooper Steve D
Large shareholder
10,000 -0.3%
5.83
US$58,300 		10,000 -0.3% 5.83 US$58,300
2021-04-01 2021-03-31 S Sale
3.2
Reardon James M

VP of Sales

Officer
60,000 -5.6%
6.02
US$361,200 		60,000 -5.6% 6.02 US$361,200
2021-04-01 2021-03-30 S Sale
3.2
Reardon James M

VP of Sales

Officer
40,000 -3.6%
5.69
US$227,600 		40,000 -3.6% 5.69 US$227,600
2021-02-11 2021-02-08 PlS Planned sale
0.8
POTASHNER KENNETH F
Non-Executive Director
21,753 -12.0%
6.07
US$132,041 		21,753 -12.0% 6.07 US$132,041
2021-01-19 2021-01-14 PlS Planned sale
0.8
POTASHNER KENNETH F
Non-Executive Director
32,630 -15.3%
4.65
US$151,730 		32,630 -15.3% 4.65 US$151,730
2020-11-24 2020-11-24 B Purchase
3.2
Messinger Gioia
Non-Executive Director
760 +inf%
2.50
US$1,900 		760 +inf% 2.50 US$1,900
2020-11-18 2020-11-18 B Purchase
3.8
RAUN DAVID

President and CEO

Executive Director
2,500 +4.1%
2.22
US$5,550 		2,500 +4.1% 2.22 US$5,550
2020-11-18 2020-11-18 B Purchase
3.8
RAUN DAVID

President and CEO

Executive Director
2,500 +4.3%
2.24
US$5,600 		2,500 +4.3% 2.24 US$5,600
2020-09-02 2020-09-02 S Sale
2.8
Cooper Steve D
Large shareholder
10,000 -0.3%
2.72
US$27,200 		10,000 -0.3% 2.72 US$27,200
2020-09-02 2020-08-31 S Sale
2.8
Cooper Steve D
Large shareholder
10,000 -0.3%
2.60
US$26,000 		10,000 -0.3% 2.60 US$26,000
2020-09-02 2020-08-25 S Sale
2.8
Cooper Steve D
Large shareholder
27,750 -0.9%
2.70
US$74,925 		27,750 -0.9% 2.70 US$74,925
2020-08-25 2020-08-25 S Sale
3.2
Reardon James M

President, CDI

Officer
61,723 -5.2%
2.59
US$159,863 		61,723 -5.2% 2.59 US$159,863
2020-08-25 2020-08-24 S Sale
3.2
Reardon James M

President, CDI

Officer
11,942 -1.0%
2.47
US$29,497 		11,942 -1.0% 2.47 US$29,497
2020-08-25 2020-08-21 S Sale
3.2
Reardon James M

President, CDI

Officer
6,954 -0.6%
2.51
US$17,455 		6,954 -0.6% 2.51 US$17,455
2020-08-24 2020-08-20 S Sale
2.8
Cooper Steve D
Large shareholder
12,250 -0.4%
2.52
US$30,870 		12,250 -0.4% 2.52 US$30,870
2020-08-21 2020-08-20 S Sale
3.2
Reardon James M

President, CDI

Officer
18,537 -1.5%
2.51
US$46,528 		18,537 -1.5% 2.51 US$46,528
2020-08-21 2020-08-19 S Sale
3.2
Reardon James M

President, CDI

Officer
844 -0.1%
2.35
US$1,983 		844 -0.1% 2.35 US$1,983
2020-08-19 2020-08-18 B Purchase
3.8
RAUN DAVID

President and CEO

Executive Director
2,500 +4.5%
2.28
US$5,700 		2,500 +4.5% 2.28 US$5,700
2020-08-19 2020-08-18 B Purchase
3.8
RAUN DAVID

President and CEO

Executive Director
2,500 +4.7%
2.30
US$5,750 		2,500 +4.7% 2.30 US$5,750
2020-08-19 2020-08-14 B Purchase
2.9
Harrison Jack
Non-Executive Director
5,000 +32.4%
2.27
US$11,350 		5,000 +32.4% 2.27 US$11,350
2020-08-18 2020-08-14 B Purchase
3.4
Matz Gregory W
Non-Executive Director
2,500 +inf%
2.28
US$5,700 		2,500 +inf% 2.28 US$5,700
2020-06-24 2020-06-22 S Sale
2.8
Cooper Steve D
Large shareholder
78,339 -2.5%
2.32
US$181,746 		78,339 -2.5% 2.32 US$181,746
2020-06-23 2020-06-22 S Sale
3.2
Reardon James M

President, CDI

Officer
20,000 -1.6%
2.11
US$42,210 		20,000 -1.6% 2.11 US$42,210
2020-06-24 2020-06-19 S Sale
2.8
Cooper Steve D
Large shareholder
31,661 -1.0%
1.95
US$61,739 		31,661 -1.0% 1.95 US$61,739
2020-06-23 2020-06-19 S Sale
3.2
Reardon James M

President, CDI

Officer
3,519 -0.3%
2.00
US$7,038 		3,519 -0.3% 2.00 US$7,038
2020-06-17 2020-06-16 S Sale
3.2
Reardon James M

President, CDI

Officer
731 -0.1%
2.00
US$1,463 		731 -0.1% 2.00 US$1,463
2020-06-17 2020-06-15 S Sale
3.2
Reardon James M

President, CDI

Officer
25,750 -2.0%
1.99
US$51,173 		25,750 -2.0% 1.99 US$51,173
2019-12-16 2019-12-16 S Sale REARDON JOHN RALPH Non-Executive Director
82 -0.1%
1.80
US$148 		82 -0.1% 1.80 US$148
2019-12-16 2019-12-16 S Sale REARDON JOHN RALPH Non-Executive Director
191 -0.3%
1.77
US$338 		191 -0.3% 1.77 US$338
2019-12-16 2019-12-16 B Purchase RAUN DAVID Non-Executive Director
289 +0.7%
1.73
US$500 		289 +0.7% 1.73 US$500
2019-12-16 2019-12-16 B Purchase RAUN DAVID Non-Executive Director
1,711 +4.5%
1.72
US$2,943 		1,711 +4.5% 1.72 US$2,943
2019-12-16 2019-12-16 B Purchase RAUN DAVID Non-Executive Director
300 +0.8%
1.71
US$513 		300 +0.8% 1.71 US$513
2019-12-16 2019-12-12 S Sale REARDON JOHN RALPH Non-Executive Director
1,000 -1.5%
1.77
US$1,770 		1,000 -1.5% 1.77 US$1,770
2019-12-16 2019-12-12 S Sale REARDON JOHN RALPH Non-Executive Director
720 -1.0%
1.76
US$1,267 		720 -1.0% 1.76 US$1,267
2019-12-16 2019-12-12 B Purchase RAUN DAVID Non-Executive Director
1,000 +2.7%
1.70
US$1,700 		1,000 +2.7% 1.70 US$1,700
2019-12-10 2019-12-10 B Purchase RAUN DAVID Non-Executive Director
100 +0.3%
1.77
US$177 		100 +0.3% 1.77 US$177
2019-12-10 2019-12-10 B Purchase RAUN DAVID Non-Executive Director
2,400 +6.9%
1.78
US$4,275 		2,400 +6.9% 1.78 US$4,275
2019-12-10 2019-12-06 B Purchase RAUN DAVID Non-Executive Director
2,500 +7.8%
1.75
US$4,375 		2,500 +7.8% 1.75 US$4,375
2019-12-03 2019-12-03 B Purchase RAUN DAVID Non-Executive Director
3,610 +12.7%
1.80
US$6,498 		3,610 +12.7% 1.80 US$6,498
2019-12-03 2019-11-27 B Purchase RAUN DAVID Non-Executive Director
1,000 +3.6%
1.86
US$1,860 		1,000 +3.6% 1.86 US$1,860
2019-09-17 2019-09-06 S Sale
2.5
REARDON JOHN RALPH
10,000 -12.7%
2.46
US$24,600 		10,000 -12.7% 2.46 US$24,600
2019-09-17 2019-09-05 S Sale
2.5
REARDON JOHN RALPH
10,000 -11.3%
2.38
US$23,800 		10,000 -11.3% 2.38 US$23,800
2019-08-13 2019-08-12 S Sale Reardon James M

President, CDI

Officer
64,132 -4.8%
1.69
US$108,165 		64,132 -4.8% 1.69 US$108,165
2019-06-11 2019-06-07 B Purchase
2.8
Cooper Steve D

President, CEO

Executive Director Large shareholder
15,000 +0.5%
1.74
US$26,064 		15,000 +0.5% 1.74 US$26,064
2019-03-29 2019-03-29 S Sale
2.3
Ison Jim

Vice President of Sales
9,201 -75.1%
2.07
US$19,046 		9,201 -75.1% 2.07 US$19,046
2019-03-29 2019-03-27 B Purchase
3.8
RAUN DAVID
2,500 +14.3%
2.00
US$5,000 		2,500 +14.3% 2.00 US$5,000
2019-03-29 2019-03-27 B Purchase
3.8
RAUN DAVID
5,000 +40.0%
2.05
US$10,250 		5,000 +40.0% 2.05 US$10,250
2019-01-02 2018-12-28 B Purchase
3.8
RAUN DAVID
Non-Executive Director
2,500 +25.0%
2.05
US$5,125 		2,500 +25.0% 2.05 US$5,125
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