ONE STOP SYSTEMS, INC. ($OSS) Insider Transactions

Last updated: 2026-03-30 12:58 UTC | Total transactions: 75

In the last 12 months, insiders at ONE STOP SYSTEMS, INC. ($OSS) filed 75 transactions with the SEC: 3 open-market purchases totaling $146,758 and 1 sales totaling $372,932. Net insider sentiment: net selling.

ONE STOP SYSTEMS, INC. operates in the Electronic computers industry (Technology sector).

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Recent Insider Transactions

Transaction Date Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
May 21, 2025 KNOWLES MICHAEL Chief Executive Officer A Common Stock 0 $0.00 591,653.0000 20,323,261 0.00% 0.00%
Feb. 7, 2026 Ison James CPO A Common Stock 34313 $0.00 386,984.0000 24,515,491 9.73% 0.14%
Feb. 15, 2026 Ison James CPO G Common Stock 4263 $0.00 373,055.0000 24,515,491 1.13% 0.02%
Feb. 15, 2026 Ison James CPO G Common Stock 4263 $0.00 373,055.0000 24,515,491 1.16% 0.02%
Feb. 7, 2026 Gabel Daniel G. Chief Financial Officer F Common Stock 7799 $9.24 155,509.0000 24,515,491 4.78% 0.03%
Feb. 7, 2026 KNOWLES MICHAEL Chief Executive Officer F Common Stock 13298 $9.24 654,708.0000 24,515,491 1.99% 0.05%
Feb. 15, 2026 KNOWLES MICHAEL Chief Executive Officer F Common Stock 6650 $8.70 648,058.0000 24,515,491 1.02% 0.03%
Feb. 15, 2026 Ison James CPO F Common Stock 3120 $8.70 377,318.0000 24,515,491 0.82% 0.01%
Feb. 7, 2026 Ison James CPO G Common Stock 8213 $0.00 368,792.0000 24,515,491 2.28% 0.03%
Feb. 7, 2026 Ison James CPO G Common Stock 8213 $0.00 372,225.0000 24,515,491 2.16% 0.03%
Feb. 7, 2026 Ison James CPO F Common Stock 6546 $9.24 380,438.0000 24,515,491 1.69% 0.03%
Feb. 7, 2026 Gabel Daniel G. Chief Financial Officer A Common Stock 55239 $0.00 163,308.0000 24,515,491 51.11% 0.23%
Feb. 7, 2026 KNOWLES MICHAEL Chief Executive Officer A Common Stock 101862 $0.00 668,006.0000 24,515,491 17.99% 0.42%
Dec. 31, 2025 Gabel Daniel G. Chief Financial Officer F Common Stock 3215 $7.18 108,069.0000 24,515,491 2.89% 0.01%
Dec. 31, 2025 KNOWLES MICHAEL Chief Executive Officer F Common Stock 19075 $7.18 566,144.0000 24,515,491 3.26% 0.08%
Feb. 7, 2025 KNOWLES MICHAEL Chief Executive Officer A Common Stock 131448 $4.06 608,453.0000 0 27.56% 0.00%
Aug. 20, 2025 KNOWLES MICHAEL Chief Executive Officer F Common Stock 8359 $5.26 585,219.0000 20,323,261 1.41% 0.04%
June 5, 2025 KNOWLES MICHAEL Chief Executive Officer F Common Stock 19075 $3.06 593,578.0000 20,323,261 3.11% 0.09%
May 21, 2025 KNOWLES MICHAEL Chief Executive Officer A Common Stock 21000 $0.00 612,653.0000 20,323,261 3.55% 0.10%
Feb. 20, 2025 KNOWLES MICHAEL Chief Executive Officer F Common Stock 16800 $3.76 591,653.0000 0 2.76% 0.00%
Aug. 20, 2025 Ison James CPO F Common Stock 3113 $5.26 344,466.0000 20,323,261 0.90% 0.02%
Aug. 20, 2025 Ison James CPO G Common Stock 4271 $0.00 340,195.0000 20,323,261 1.24% 0.02%
Aug. 20, 2025 Ison James CPO G Common Stock 4271 $0.00 340,195.0000 20,323,261 1.27% 0.02%
May 21, 2025 Herbets Mitchell H Not found A Common Stock 21000 $0.00 42,000.0000 20,323,261 100.00% 0.10%
May 21, 2025 Dumont Michael J. Not found F Common Stock 21000 $0.00 107,849.0000 20,323,261 24.18% 0.10%
May 21, 2025 Matz Gregory W Not found A Common Stock 21000 $0.00 74,930.0000 20,323,261 38.94% 0.10%
Feb. 20, 2025 Ison James CPO G Common Stock 7760 $0.00 128,907.0000 0 5.68% 0.00%
Feb. 20, 2025 Ison James CPO G Common 7760 $0.00 214,401.0000 0 3.76% 0.00%
Feb. 20, 2025 Ison James CPO F Common Stock 7006 $3.76 136,667.0000 0 4.88% 0.00%
Feb. 7, 2025 Gabel Daniel G. Chief Financial Officer A Common Stock 71284 $4.06 111,284.0000 0 178.21% 0.00%
Feb. 7, 2025 Ison James CPO A Common Stock 44279 $4.06 135,913.0000 0 48.32% 0.00%
Dec. 5, 2020 KNOWLES MICHAEL Chief Executive Officer F Common Stock 17525 $2.41 477,530.0000 0 3.54% 0.00%
Nov. 11, 2024 Gabel Daniel G. Chief Financial Officer A Common Stock 40000 $0.00 40,000.0000 0 9999.99% 0.00%
Sept. 23, 2024 Morrison John W Jr. Chief Financial Officer F Common Stock 5961 $2.19 305,381.0000 0 1.91% 0.00%
Sept. 23, 2024 Ison James CPO F Common Stock 4440 $2.19 306,502.0000 0 1.43% 0.00%
Sept. 23, 2024 Ison James CPO G Common Stock 8227 $0.00 298,275.0000 0 2.68% 0.00%
Sept. 23, 2024 Ison James CPO G Common Stock 8227 $0.00 298,275.0000 0 2.84% 0.00%
Aug. 20, 2024 Ison James CPO G Common Stock 6062 $0.00 302,715.0000 0 2.04% 0.00%
Aug. 20, 2024 Ison James CPO F Common Stock 3271 $2.16 308,777.0000 0 1.05% 0.00%
Aug. 20, 2024 Ison James CPO G Common Stock 6062 $0.00 302,715.0000 0 1.96% 0.00%
Aug. 20, 2024 Morrison John W Jr. Chief Financial Officer F Common Stock 4059 $2.16 311,342.0000 0 1.29% 0.00%
Aug. 13, 2024 Manko Joseph M. Jr. Not found P Common Stock 50000 $1.94 1,170,899.0000 0 4.46% 0.00%
Aug. 14, 2024 Manko Joseph M. Jr. Not found P Common Stock 25000 $1.99 1,195,899.0000 0 2.14% 0.00%
July 9, 2024 POTASHNER KENNETH F Not found M Common Stock 40000 $0.46 398,601.0000 0 11.15% 0.00%
July 9, 2024 POTASHNER KENNETH F Not found M Employee Stock Option (right to buy) 40000 $0.00 0.0000 0 100.00% 0.00%
July 1, 2024 Matz Gregory W Not found A Common Stock 21000 $0.00 53,930.0000 0 63.77% 0.00%
July 1, 2024 Manko Joseph M. Jr. Not found A Common Stock 21000 $0.00 1,120,899.0000 0 1.91% 0.00%
July 1, 2024 KNOWLES MICHAEL Chief Executive Officer A Common Stock 131450 $0.00 494,530.0000 0 36.20% 0.00%
July 1, 2024 Dumont Michael J. Not found A Common Stock 21000 $0.00 86,849.0000 0 31.89% 0.00%
July 1, 2024 Herbets Mitchell H Not found A Common Stock 21000 $0.00 21,000.0000 0 9999.99% 0.00%
July 1, 2024 Messinger Gioia Not found A Common Stock 21000 $0.00 49,690.0000 0 73.20% 0.00%
July 1, 2024 POTASHNER KENNETH F Not found A Common Stock 21000 $0.00 358,601.0000 0 6.22% 0.00%
July 1, 2024 Morrison John W Jr. Chief Financial Officer A Common Stock 71300 $0.00 315,401.0000 0 29.21% 0.00%
July 1, 2024 Ison James CPO A Common Stock 44300 $0.00 305,986.0000 0 16.93% 0.00%
June 17, 2024 KNOWLES MICHAEL Chief Executive Officer F Common Stock 38050 $2.18 363,080.0000 0 9.49% 0.00%
May 23, 2024 Ison James CPO F Common Stock 1031 $2.41 263,155.0000 0 0.39% 0.00%
May 23, 2024 Ison James CPO G Common Stock 1469 $0.00 261,686.0000 0 0.56% 0.00%
May 23, 2024 Ison James CPO G Common Stock 1469 $0.00 261,686.0000 0 0.56% 0.00%
May 23, 2024 Morrison John W Jr. Chief Financial Officer F Common Stock 1257 $2.41 244,101.0000 0 0.51% 0.00%
April 1, 2024 RAUN DAVID Director M Warrant (right to buy) 13953 $0.00 0.0000 0 100.00% 0.00%
April 1, 2024 POTASHNER KENNETH F Director M Common Stock 19767 $2.15 337,601.0000 0 6.22% 0.00%
April 1, 2024 RAUN DAVID Director M Common Stock 13953 $2.15 425,597.0000 0 3.39% 0.00%
April 1, 2024 POTASHNER KENNETH F Director M Warrant (right to buy) 19767 $0.00 0.0000 0 100.00% 0.00%
March 25, 2024 Ison James CPO G Common Stock 15656 $0.00 262,717.0000 0 5.62% 0.00%
March 25, 2024 Ison James CPO F Common Stock 9677 $3.90 278,373.0000 0 3.36% 0.00%
March 25, 2024 Morrison John W Jr. Chief Financial Officer F Common Stock 12504 $3.90 245,358.0000 0 4.85% 0.00%
March 25, 2024 Ison James CPO G Common Stock 15656 $0.00 262,717.0000 0 6.34% 0.00%
Oct. 13, 2023 Dumont Michael J. Director P Common Stock 4 $2.05 65,849.0000 0 0.01% 0.00%
Feb. 5, 2024 Ison James CPO G Common Stock 5567 $0.00 272,394.0000 0 2.09% 0.00%
Feb. 5, 2024 Morrison John W Jr. Chief Financial Officer F Common Stock 4624 $2.01 257,862.0000 0 1.76% 0.00%
Feb. 5, 2024 Ison James CPO G Common Stock 5567 $0.00 272,394.0000 0 2.00% 0.00%
Feb. 5, 2024 Ison James CPO F Common Stock 3766 $2.01 277,961.0000 0 1.34% 0.00%
Jan. 29, 2024 Ison James CPO M Common Stock 7222 $1.08 276,160.0000 0 2.69% 0.00%
Jan. 29, 2024 Ison James CPO M Employee Stock Option (right to buy) 7222 $0.00 16,769.0000 0 30.10% 0.00%
Jan. 22, 2024 Cooper Steve D TenPercentOwner S One Stop Systems, Inc 206040 $1.81 1,923,572.0000 0 9.68% 0.00%