SEC Insider Transactions from Dumont Michael J..

Last updated: 2026-03-14 10:45 UTC | Total transactions: 3

Dumont Michael J. has filed 3 insider transactions across 1 company since October 2023.

Most recent transaction: a tax payment of 21000 shares of ONE STOP SYSTEMS, INC. ($OSS) on May 21, 2025.

Activity breakdown: 1 open-market purchase and 0 sales.

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Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
May 21, 2025 ONE STOP SYSTEMS, INC. $OSS Dumont Michael J. Not found F Common Stock 21000 $0.00 107,849.0000 20,323,261 24.18% 0.10%
July 1, 2024 ONE STOP SYSTEMS, INC. $OSS Dumont Michael J. Not found A Common Stock 21000 $0.00 86,849.0000 0 31.89% 0.00%
Oct. 13, 2023 ONE STOP SYSTEMS, INC. $OSS Dumont Michael J. Director P Common Stock 4 $2.05 65,849.0000 0 0.01% 0.00%