John M. Gebbia serves as Executive at SIEBERT FINANCIAL CORP, where they oversee executive responsibilities. Since joining the company, John M. Gebbia has executed 17 insider transactions totaling $4.2M, demonstrating a bearish approach to their equity position. Their most recent transaction on Nov 20, 2025 involved transacting 26,000 shares valued at $0.
John M. Gebbia currently holds 490,000 shares of SIEBERT FINANCIAL CORP (SIEB), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, John M. Gebbia has been a net seller of SIEB stock. They have purchased $0 and sold $4.2M worth of shares.
John M. Gebbia's most recent insider trade was on Nov 20, 2025, when they sold 26,000 shares at $0.00 per share.
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| $N/A |
| Discretionary |
| Jan 19, 2024 | SIEB | $0 | Gift | 36,000 | $N/A | Discretionary |
| Dec 14, 2023 | SIEB | $0 | Gift | 36,000 | $N/A | Discretionary |
| Apr 10, 2023 | SIEB | $185.0K | Sale | 100,000 | $1.85 | Discretionary |
| Apr 10, 2023 | SIEB | $185.0K | Sale | 100,000 | $1.85 | Discretionary |
| Dec 14, 2022 | SIEB | $0 | Gift | 100,000 | $N/A | Discretionary |
| Dec 14, 2022 | SIEB | $0 | Gift | 80,000 | $N/A | Discretionary |
| Dec 14, 2022 | SIEB | $0 | Gift | 40,000 | $N/A | Discretionary |
| Apr 1, 2021 | SIEB | $0 | Other | 222,410 | $N/A | Discretionary |
| Feb 12, 2021 | SIEB | $0 | Gift | 12,000 | $N/A | Discretionary |
| Apr 16, 2020 | SIEB | $3.8M | Sale | 685,155 | $5.60 | Discretionary |
| Jan 7, 2020 | SIEB | $0 | Gift | 6,000 | $N/A | Discretionary |
| Jan 1, 2020 | SIEB | $6.5M | Other | 716,917 | $9.02 | Discretionary |
| May 3, 2019 | SIEB | $0 | Gift | 5,000 | $N/A | Discretionary |
| Dec 28, 2018 | SIEB | $0 | Gift | 8,800 | $N/A | Discretionary |
| Dec 28, 2018 | SIEB | $0 | Gift | 9,600 | $N/A | Discretionary |