ONE STOP SYSTEMS, INC. (OSS)

Latest Insider Confidence Score

2026Q1

50.0
Bullish

Company insider confidence (by quarter)

2018Q1 2026Q1

Largest shareholders

Insider Role (last 12 mo) Shares held Filed at
Cooper Steve D 10% Owner 3,042,675 Sep 2, 2020
Cooper Revocable Trust dated April 25, 2001 10% Owner 3,042,675 Sep 2, 2020
Randy Jones & Roseann Piazza Jones Revocable Trust — 1,263,749 Jan 31, 2018
Reardon James M VP of Sales 1,019,312 Apr 1, 2021
Knowles Michael CEO 585,219 Sep 2, 2025

Recent buy/sell transactions

Exec date Filing date Insider Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Feb 7, 2026 Mar 2, 2026 Ison James CPO Sell 87.5 +24,647 2.62% ✗ $87.6K
Feb 7, 2026 Mar 2, 2026 Gabel Daniel G. CFO Sell 42.5 -7,799 -4.78% ✗ $72.1K
Feb 7, 2026 Mar 2, 2026 KNOWLES MICHAEL CEO Sell 42.5 -19,948 -2.99% ✗ $180.7K
Feb 7, 2026 Feb 11, 2026 Gabel Daniel G. CFO Neutral 90.0 +55,239 51.11% ✗ -
Feb 7, 2026 Feb 11, 2026 KNOWLES MICHAEL CEO Neutral 90.0 +101,862 17.99% ✗ -
Dec 31, 2025 Jan 12, 2026 Gabel Daniel G. CFO Sell 46.3 -3,215 -2.89% ✗ $23.1K
Dec 31, 2025 Jan 7, 2026 KNOWLES MICHAEL CEO Sell 42.5 -19,075 -3.26% ✗ $137K
Feb 7, 2025 Sep 2, 2025 KNOWLES MICHAEL CEO Sell 95.0 +108,214 22.69% ✗ $165.5K
Aug 20, 2025 Aug 25, 2025 Ison James CPO Sell 48.8 -3,113 -0.91% ✗ $16.4K
Jul 18, 2025 BASSETT DAVID GEORGE Director Neutral 52.5 - 0.00% ✗ -
May 21, 2025 May 28, 2025 Herbets Mitchell H Director Neutral 90.0 +21,000 100.00% ✗ -
May 21, 2025 May 27, 2025 Dumont Michael J. Director Neutral 90.0 +21,000 24.18% ✗ -
May 21, 2025 May 23, 2025 Matz Gregory W Director Neutral 90.0 +21,000 38.94% ✗ -
Feb 20, 2025 Mar 13, 2025 Ison James CPO Sell 46.3 -7,006 -2.00% ✗ $26.3K
Feb 7, 2025 Mar 5, 2025 Gabel Daniel G. CFO Neutral 90.0 +71,284 178.21% ✗ -
Feb 7, 2025 Feb 24, 2025 Ison James CPO Neutral 90.0 +44,279 48.32% ✗ -
Dec 5, 2020 Dec 30, 2024 KNOWLES MICHAEL CEO Sell 46.3 -17,525 -3.54% ✗ $42.2K
Nov 12, 2024 Morrison John W Jr. CFO Neutral 52.5 - 0.00% ✗ -
Nov 11, 2024 Nov 12, 2024 Gabel Daniel G. CFO Neutral 90.0 +40,000 100.00% ✗ -
Nov 12, 2024 Gabel Daniel G. CFO Neutral 52.5 - 0.00% ✗ -
Sep 23, 2024 Sep 25, 2024 Ison James CPO Sell 47.5 -4,440 -1.47% ✗ $9.7K
Sep 23, 2024 Sep 25, 2024 Morrison John W Jr. CFO Sell 46.3 -5,961 -1.91% ✗ $13.1K
Aug 20, 2024 Aug 21, 2024 Ison James CPO Sell 47.5 -3,271 -1.07% ✗ $7.1K
Aug 20, 2024 Aug 21, 2024 Morrison John W Jr. CFO Sell 47.5 -4,059 -1.29% ✗ $8.8K
Aug 13, 2024 Aug 15, 2024 Manko Joseph M. Jr. Director Buy 90.0 +75,000 6.69% ✗ $146.8K
Jul 9, 2024 Jul 11, 2024 POTASHNER KENNETH F Director Neutral 52.5 - 0.00% ✗ -
Jul 1, 2024 Jul 3, 2024 Ison James CPO Neutral 90.0 +44,300 16.93% ✗ -
Jul 1, 2024 Jul 3, 2024 Morrison John W Jr. CFO Neutral 90.0 +71,300 29.21% ✗ -
Jul 1, 2024 Jul 3, 2024 POTASHNER KENNETH F Director Neutral 85.0 +21,000 6.22% ✗ -
Jul 1, 2024 Jul 3, 2024 Matz Gregory W Director Neutral 90.0 +21,000 63.77% ✗ -
Jul 1, 2024 Jul 3, 2024 Messinger Gioia Director Neutral 90.0 +21,000 73.20% ✗ -
Jul 1, 2024 Jul 3, 2024 Herbets Mitchell H Director Neutral 90.0 +21,000 100.00% ✗ -
Jul 1, 2024 Jul 3, 2024 Dumont Michael J. Director Neutral 90.0 +21,000 31.89% ✗ -
Jul 1, 2024 Jul 3, 2024 KNOWLES MICHAEL CEO Neutral 90.0 +131,450 36.20% ✗ -
Jul 1, 2024 Jul 3, 2024 Manko Joseph M. Jr. Director Neutral 77.5 +21,000 1.91% ✗ -
Jun 17, 2024 Jun 18, 2024 KNOWLES MICHAEL CEO Sell 42.5 -38,050 -9.49% ✗ $82.9K
May 23, 2024 May 28, 2024 Ison James CPO Sell 52.5 -1,031 -0.39% ✗ $2.5K
May 23, 2024 May 28, 2024 Morrison John W Jr. CFO Sell 50.0 -1,257 -0.51% ✗ $3K
Apr 1, 2024 Apr 3, 2024 POTASHNER KENNETH F Director Neutral 52.5 - 0.00% ✗ -
Apr 1, 2024 Apr 3, 2024 RAUN DAVID Director Neutral 52.5 - 0.00% ✗ -
Mar 25, 2024 Mar 27, 2024 Ison James CPO Sell 46.3 -9,677 -3.55% ✗ $37.7K
Mar 25, 2024 Mar 27, 2024 Morrison John W Jr. CFO Sell 46.3 -12,504 -4.85% ✗ $48.8K
Oct 13, 2023 Feb 13, 2024 Dumont Michael J. Director Buy 47.5 +4 0.01% ✗ $8.2
Feb 5, 2024 Feb 7, 2024 Ison James CPO Sell 47.5 -3,766 -1.36% ✗ $7.6K
Feb 5, 2024 Feb 7, 2024 Morrison John W Jr. CFO Sell 47.5 -4,624 -1.76% ✗ $9.3K
Jan 29, 2024 Jan 30, 2024 Ison James CPO Neutral 52.5 - 0.00% ✗ -
Jan 22, 2024 Jan 24, 2024 Cooper Steve D 10% Owner Sell 20.0 -206,040 -9.68% ✗ $372.9K
Dec 1, 2023 Herbets Mitchell H Director Neutral 52.5 - 0.00% ✗ -
Nov 21, 2023 Nov 21, 2023 Morrison John W Jr. CFO Sell 52.5 -1,232 -0.47% ✗ $2.6K
Nov 21, 2023 Nov 21, 2023 Ison James CPO Sell 52.5 -849 -0.31% ✗ $1.8K
Nov 17, 2023 Nov 20, 2023 Morrison John W Jr. CFO Sell 50.0 -2,463 -0.93% ✗ $4.9K
Nov 17, 2023 Nov 20, 2023 Ison James CPO Sell 50.0 -2,463 -0.90% ✗ $4.9K
Nov 20, 2023 Manko Joseph M. Jr. Director Neutral 52.5 - 0.00% ✗ -
Oct 10, 2023 Dumont Michael J. Director Neutral 52.5 - 0.00% ✗ -
Aug 18, 2023 Aug 22, 2023 Ison James CPO Neutral 52.5 - 0.00% ✗ -
Aug 16, 2023 Aug 18, 2023 KNOWLES MICHAEL CEO Buy 60.0 +1,130 0.28% ✗ $2K
Aug 16, 2023 Aug 18, 2023 Morrison John W Jr. CFO Sell 47.5 -3,941 -1.46% ✗ $7K
Aug 16, 2023 Aug 18, 2023 Ison James CPO Sell 47.5 -3,169 -1.22% ✗ $5.6K
Aug 14, 2023 Aug 15, 2023 RAUN DAVID Director Buy 77.5 +5,000 1.23% ✗ $9.9K
Aug 15, 2023 Aug 15, 2023 Matz Gregory W Director Buy 85.0 +2,500 8.22% ✗ $4.4K
Jul 31, 2023 Aug 1, 2023 Cooper Steve D 10% Owner Sell 20.0 -203,591 -8.73% ✗ $570.1K
Jun 26, 2023 Jun 28, 2023 POTASHNER KENNETH F Director Neutral 52.5 - 0.00% ✗ -
Jun 23, 2023 Jun 27, 2023 RAUN DAVID Director Sell 50.0 -2,917 -0.71% ✗ $8.6K
Jun 16, 2023 Jun 21, 2023 RAUN DAVID CEO Sell 42.5 -112,449 -21.85% ✗ $156K
Jun 21, 2023 RAUN DAVID CEO Neutral 52.5 - 0.00% ✗ -
Jun 16, 2023 Jun 21, 2023 POTASHNER KENNETH F Director Neutral 85.0 +23,778 8.94% ✗ -
Jun 5, 2023 Jun 6, 2023 KNOWLES MICHAEL CEO Neutral 90.0 +400,000 100.00% ✗ -
Jun 6, 2023 KNOWLES MICHAEL CEO Neutral 52.5 - 0.00% ✗ -
May 22, 2023 May 24, 2023 Ison James CPO, CM&SO Sell 77.5 +8,998 1.75% ✗ $7.6K
May 22, 2023 May 24, 2023 Morrison John W Jr. CFO Sell 47.5 -3,695 -1.35% ✗ $9.1K
Apr 21, 2023 Apr 25, 2023 Cooper Steve D 10% Owner Sell 20.0 -203,591 -8.03% ✗ $472.8K
Mar 16, 2023 Mar 20, 2023 Ison James CPO, CM&SO Neutral 90.0 +76,000 40.66% ✗ -
Mar 16, 2023 Mar 20, 2023 Morrison John W Jr. CFO Neutral 90.0 +94,000 52.28% ✗ -
Feb 10, 2023 Feb 14, 2023 Morrison John W Jr. CFO Sell 50.0 -1,079 -0.60% ✗ $3.8K
Feb 10, 2023 Feb 14, 2023 Ison James Chief Sales/Marketing Officer Sell 50.0 -1,004 -0.53% ✗ $3.5K
Feb 8, 2023 Feb 10, 2023 Ison James Chief Sales/Marketing Officer Sell 46.3 -7,494 -9.62% ✗ $26.2K
Feb 8, 2023 Feb 10, 2023 Morrison John W Jr. CFO Sell 46.3 -9,205 -4.91% ✗ $32.2K
Feb 8, 2023 Feb 10, 2023 RAUN DAVID CEO Sell 42.5 -24,757 -5.78% ✗ $86.6K
Feb 3, 2023 Feb 7, 2023 Ison James Chief Sales/Marketing Officer Neutral 52.5 - 0.00% ✗ -
Jan 4, 2023 Jan 6, 2023 RAUN DAVID CEO Sell 42.5 -28,626 -5.73% ✗ $83.9K
Dec 20, 2022 Dec 20, 2022 Cooper Steve D 10% Owner Sell 20.0 -200,324 -7.32% ✗ $540.9K
Nov 22, 2022 Nov 23, 2022 Morrison John W Jr. CFO Sell 50.0 -1,232 -0.65% ✗ $3.9K
Nov 22, 2022 Nov 23, 2022 Ison James Chief Sales/Marketing Officer Sell 52.5 -849 -0.48% ✗ $2.7K
Nov 9, 2022 Nov 14, 2022 Ison James Chief Sales/Marketing Officer Sell 47.5 -2,263 -1.27% ✗ $7.2K
Nov 9, 2022 Nov 14, 2022 Morrison John W Jr. CFO Sell 47.5 -2,463 -1.29% ✗ $7.8K
Oct 4, 2022 Oct 6, 2022 Ison James Chief Sales/Marketing Officer Sell 52.5 -849 -0.48% ✗ $2.8K
Oct 4, 2022 Oct 6, 2022 Morrison John W Jr. CFO Sell 52.5 -849 -0.44% ✗ $2.8K
Aug 25, 2022 Aug 26, 2022 Cooper Steve D 10% Owner Sell 52.5 -21 0.00% ✗ $85.1
Aug 15, 2022 Aug 17, 2022 Cooper Steve D 10% Owner Sell 51.3 -2,898 -0.11% ✗ $11.7K
Jul 28, 2022 Aug 1, 2022 Ison James Chief Sales/Marketing Officer Neutral 52.5 - 0.00% ✗ -
Jul 22, 2022 Jul 27, 2022 Cooper Steve D 10% Owner Sell 52.5 -2,210 -0.08% ✗ $8.7K
Jul 20, 2022 Jul 22, 2022 Cooper Steve D 10% Owner Sell 43.8 -11,990 -0.44% ✗ $47.4K
Jun 29, 2022 Jun 30, 2022 RAUN DAVID CEO Sell 42.5 -29,655 -6.44% ✗ $117.4K
Mar 17, 2022 Jun 3, 2022 Messinger Gioia Director Neutral 90.0 +13,100 84.03% ✗ -
May 23, 2022 May 25, 2022 Ison James Chief Sales/Marketing Officer Sell 47.5 -2,189 -1.32% ✗ $9.4K
May 23, 2022 May 25, 2022 Morrison John W Jr. CFO Sell 46.3 -3,058 -1.59% ✗ $13.1K
May 17, 2022 May 19, 2022 Ison James Chief Sales/Marketing Officer Sell 46.3 -2,730 -1.62% ✗ $12K
May 17, 2022 May 19, 2022 Morrison John W Jr. CFO Sell 46.3 -2,463 -1.26% ✗ $10.9K
Apr 8, 2022 Apr 11, 2022 Cooper Steve D 10% Owner Sell 20.0 -77,900 -2.75% ✗ $340.6K
Mar 29, 2022 Mar 31, 2022 Cooper Steve D 10% Owner Sell 52.5 -2,100 -0.07% ✗ $8.7K