Richard A. Sandberg serves as Executive at MATRITECH INC/DE/, where they oversee executive responsibilities. Since joining the company, Richard A. Sandberg has executed 78 insider transactions totaling $1.0M, demonstrating a bearish approach to their equity position. Their most recent transaction on Apr 15, 2024 involved receiving (via award) 5,913 shares valued at $39.4K.
Richard A. Sandberg currently holds 16,033 shares of MATRITECH INC/DE/ (MZT), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Richard A. Sandberg has been a net seller of MZT stock. They have purchased $43.0K and sold $1.0M worth of shares.
Richard A. Sandberg's most recent insider trade was on Apr 15, 2024, when they sold 5,913 shares at $6.66 per share.
Get notified when new Form 4 filings are submitted
| $N/A |
| Discretionary |
| Sep 12, 2023 | PRPO | $0 | Award | 11,363 | $N/A | Discretionary |
| Jan 20, 2023 | PRPO | $15.6K | Purchase | 20,000 | $0.78 | Discretionary |
| Dec 20, 2022 | PRPO | $11.0K | Purchase | 20,000 | $0.55 | Discretionary |
| Mar 8, 2021 | OXFD | $89.8K | Disposition | 4,081 | $22.00 | Discretionary |
| Jun 24, 2020 | OXFD | $0 | Award | 4,081 | $N/A | Discretionary |
| Nov 1, 2019 | OXFD | $46.8K | Sale | 3,000 | $15.60 | Discretionary |
| Nov 1, 2019 | OXFD | $149 | Option Exercise | 1,650 | $0.09 | Discretionary |
| Nov 1, 2019 | OXFD | $11.7K | Option Exercise | 1,350 | $8.65 | Discretionary |
| Aug 1, 2019 | OXFD | $59.7K | Sale | 3,000 | $19.90 | Discretionary |
| Aug 1, 2019 | OXFD | $38.7K | Sale | 3,000 | $12.90 | Discretionary |
| May 1, 2019 | OXFD | $48.1K | Sale | 3,000 | $16.05 | Discretionary |
| Feb 1, 2019 | OXFD | $42.8K | Sale | 3,000 | $14.25 | Discretionary |
| Nov 1, 2018 | OXFD | $46.5K | Sale | 3,000 | $15.50 | Discretionary |
| Aug 1, 2018 | OXFD | $39.5K | Sale | 3,000 | $13.15 | Discretionary |
| May 1, 2018 | OXFD | $38.3K | Sale | 3,000 | $12.77 | Discretionary |
| May 1, 2018 | OXFD | $270 | Option Exercise | 3,000 | $0.09 | Discretionary |
| Feb 16, 2018 | OXFD | $225 | Option Exercise | 2,500 | $0.09 | Discretionary |
| Feb 16, 2018 | OXFD | $30.1K | Sale | 2,500 | $12.02 | Discretionary |
| Feb 15, 2018 | OXFD | $45 | Option Exercise | 500 | $0.09 | Discretionary |
| Feb 15, 2018 | OXFD | $6.0K | Sale | 500 | $12.00 | Discretionary |
| Nov 1, 2017 | OXFD | $2.3K | Option Exercise | 2,778 | $0.81 | Discretionary |
| Nov 1, 2017 | OXFD | $40.0K | Sale | 3,000 | $13.35 | Discretionary |
| Nov 1, 2017 | OXFD | $20 | Option Exercise | 222 | $0.09 | Discretionary |
| Sep 1, 2017 | OXFD | $47.5K | Sale | 3,000 | $15.82 | Discretionary |
| Sep 1, 2017 | OXFD | $2.4K | Option Exercise | 3,000 | $0.81 | Discretionary |
| May 30, 2017 | OXFD | $0 | Gift | 2,174 | $N/A | Discretionary |
| May 10, 2017 | OXFD | $43.2K | Sale | 3,000 | $14.40 | Discretionary |
| May 10, 2017 | OXFD | $2.4K | Option Exercise | 3,000 | $0.81 | Discretionary |