Cooper Steve D (CIK 0001729851)

Latest company ownership

Shares held
3,042,675
Last filed at
Sep 2, 2020
Confidence Score
50.0
2025Q4
Confidence Score History
2018Q1 2025Q4

Recent buy/sell transactions

Exec date Filing date Company Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Jan 22, 2024 Jan 24, 2024 ONE STOP SYSTEMS, INC. 10% Owner Sell 20.0 -206,040 -9.68% $372.9K
Jul 31, 2023 Aug 1, 2023 ONE STOP SYSTEMS, INC. 10% Owner Sell 20.0 -203,591 -8.73% $570.1K
Apr 21, 2023 Apr 25, 2023 ONE STOP SYSTEMS, INC. 10% Owner Sell 20.0 -203,591 -8.03% $472.8K
Dec 20, 2022 Dec 20, 2022 ONE STOP SYSTEMS, INC. 10% Owner Sell 20.0 -200,324 -7.32% $540.9K
Aug 25, 2022 Aug 26, 2022 ONE STOP SYSTEMS, INC. 10% Owner Sell 52.5 -21 0.00% $85.1
Aug 15, 2022 Aug 17, 2022 ONE STOP SYSTEMS, INC. 10% Owner Sell 51.3 -2,898 -0.11% $11.7K
Jul 22, 2022 Jul 27, 2022 ONE STOP SYSTEMS, INC. 10% Owner Sell 52.5 -2,210 -0.08% $8.7K
Jul 20, 2022 Jul 22, 2022 ONE STOP SYSTEMS, INC. 10% Owner Sell 43.8 -11,990 -0.44% $47.4K
Apr 8, 2022 Apr 11, 2022 ONE STOP SYSTEMS, INC. 10% Owner Sell 20.0 -77,900 -2.75% $340.6K
Mar 29, 2022 Mar 31, 2022 ONE STOP SYSTEMS, INC. 10% Owner Sell 52.5 -2,100 -0.07% $8.7K
Dec 31, 2021 Jan 4, 2022 ONE STOP SYSTEMS, INC. 10% Owner Sell 40.0 -10,000 -0.35% $51.5K
Nov 23, 2021 Nov 26, 2021 ONE STOP SYSTEMS, INC. 10% Owner Sell 32.5 -20,000 -0.70% $107K
Nov 2, 2021 Nov 4, 2021 ONE STOP SYSTEMS, INC. 10% Owner Buy 61.3 +8,254 0.29% $43.3K
Sep 27, 2021 Sep 29, 2021 ONE STOP SYSTEMS, INC. 10% Owner Sell 52.5 -1,746 -0.06% $9.2K
Sep 10, 2021 Sep 13, 2021 ONE STOP SYSTEMS, INC. 10% Owner Sell 40.0 -10,000 -0.35% $58.3K
Sep 7, 2021 Sep 9, 2021 ONE STOP SYSTEMS, INC. 10% Owner Sell 51.3 -4,018 -0.14% $24.5K
Sep 2, 2021 Sep 7, 2021 ONE STOP SYSTEMS, INC. 10% Owner Sell 20.0 -50,000 -1.70% $301.6K
Aug 27, 2021 Aug 30, 2021 ONE STOP SYSTEMS, INC. 10% Owner Sell 20.0 -50,000 -1.67% $283K
Aug 6, 2021 Aug 11, 2021 ONE STOP SYSTEMS, INC. 10% Owner Sell 20.0 -54,420 -1.79% $338K
Aug 25, 2020 Sep 2, 2020 ONE STOP SYSTEMS, INC. 10% Owner Sell 22.5 -47,750 -1.55% $128.1K
Aug 20, 2020 Aug 24, 2020 ONE STOP SYSTEMS, INC. 10% Owner Sell 43.8 -12,250 -0.39% $30.9K
Jun 19, 2020 Jun 24, 2020 ONE STOP SYSTEMS, INC. 10% Owner Sell 22.5 -110,000 -3.42% $243.5K
Mar 12, 2020 Mar 20, 2020 ONE STOP SYSTEMS, INC. Director Buy 61.3 +13,870 0.43% $21.6K
Feb 13, 2020 Feb 18, 2020 ONE STOP SYSTEMS, INC. Director Buy 90.0 +208,725 6.98% $162.4K
Sep 20, 2019 Sep 25, 2019 ONE STOP SYSTEMS, INC. CEO Buy 55.0 +1,967 0.07% $5.3K
Aug 16, 2019 Aug 21, 2019 ONE STOP SYSTEMS, INC. CEO Buy 55.0 +5,962 0.20% $9.8K
Jun 7, 2019 Jun 11, 2019 ONE STOP SYSTEMS, INC. CEO Buy 68.8 +15,000 0.51% $26.1K
May 8, 2019 May 24, 2019 ONE STOP SYSTEMS, INC. CEO Buy 78.8 +33,485 1.14% $25.1K
Apr 11, 2019 Apr 15, 2019 ONE STOP SYSTEMS, INC. CEO Sell 52.5 -1,728 -0.06% $4.3K
Oct 29, 2018 Dec 12, 2018 ONE STOP SYSTEMS, INC. CEO Sell 52.5 -627 -0.02% $2.2K
Aug 28, 2018 Aug 30, 2018 ONE STOP SYSTEMS, INC. CEO Sell 52.5 -675 -0.02% $3.2K
Mar 9, 2018 Mar 13, 2018 ONE STOP SYSTEMS, INC. CEO Buy 78.8 +38,580 1.34% $38.6K
Feb 9, 2018 Feb 9, 2018 ONE STOP SYSTEMS, INC. CEO Sell 20.0 -100,000 -3.35% $500K