Who
Gregory W. Matz
Director
Company insider
Files Form 4 as: Director, Dare Bioscience; Director, One Stop Systems; SVP, CFO & Cro, The Cooper Companies.
In numbers
- Trades disclosed
- 106
- Buys
- 2
- Sells
- 5
- Bought
- $10K
- Sold
- $7.1M
- Companies
- 3
- Companies where not an officer
- 2
- First trade
- 9 Jan 2012
- Last trade
- 30 Jun 2026
- Last filed
- 2 Jul 2026
Companies traded
Activity over time
1 Nov 2024 – 1 Oct 2026
Buys above the line, sells below, each month.
Every trade
| Traded | Company | What | Amount | |
|---|---|---|---|---|
| 30 Jun 2026filed 2 Jul 2026 | DARE Dare BioscienceBiotechnology | SEC FORM 4 Code A | —30,805 at $0.00 | filing |
| 30 Jun 2026filed 2 Jul 2026 | DARE Dare BioscienceBiotechnology | SEC FORM 4 Code A | —30,805 at $0.00 | filing |
| 11 Jun 2026filed 11 Jun 2026 | DARE Dare Bioscienceoption or derivative · Biotechnology | SEC FORM 4 Code A | —10,000 at $0.00 | filing |
| 11 Jun 2026filed 11 Jun 2026 | DARE Dare Bioscienceoption or derivative · Biotechnology | SEC FORM 4 Code A | —10,000 at $0.00 | filing |
| 26 May 2026filed 26 May 2026 | OSS One Stop SystemsHardware, Devices & Storage | SEC FORM 4 Sold | $140K8,000 at $17.52 | filing |
| 26 May 2026filed 26 May 2026 | OSS One Stop SystemsHardware, Devices & Storage | SEC FORM 4 Sold | $140K8,000 at $17.52 | filing |
| 20 May 2026filed 26 May 2026 | OSS One Stop SystemsHardware, Devices & Storage | SEC FORM 4 Code A | —11,984 at $0.00 | filing |
| 20 May 2026filed 26 May 2026 | OSS One Stop SystemsHardware, Devices & Storage | SEC FORM 4 Code A | —11,984 at $0.00 | filing |
| 9 Jul 2025filed 10 Jul 2025 | DARE Dare Bioscienceoption or derivative · Biotechnology | SEC FORM 4 Code A | —4,500 at $0.00 | filing |
| 21 May 2025filed 23 May 2025 | OSS One Stop SystemsHardware, Devices & Storage | SEC FORM 4 Code A | —21,000 at $0.00 | filing |
| 1 Jul 2024filed 3 Jul 2024 | OSS One Stop SystemsHardware, Devices & Storage | SEC FORM 4 Code A | —21,000 at $0.00 | filing |
| 5 Jun 2024filed 7 Jun 2024 | DARE Dare Bioscienceoption or derivative · Biotechnology | SEC FORM 4 Code A | —40,000 at $0.00 | filing |
| 15 Aug 2023filed 15 Aug 2023 | OSS One Stop SystemsHardware, Devices & Storage | SEC FORM 4 Bought | $4,4252,500 at $1.77 | filing |
| 21 Jun 2023filed 21 Jun 2023 | DARE Dare Bioscienceoption or derivative · Biotechnology | SEC FORM 4 Code A | —40,000 at $0.00 | filing |
| 23 Jun 2022filed 24 Jun 2022 | DARE Dare Bioscienceoption or derivative · Biotechnology | SEC FORM 4 Code A | —38,000 at $0.00 | filing |
| 17 Mar 2022filed 21 Mar 2022 | OSS One Stop SystemsHardware, Devices & Storage | SEC FORM 4 Code A | —13,100 at $0.00 | filing |
| 24 Jun 2021filed 24 Jun 2021 | DARE Dare Bioscienceoption or derivative · Biotechnology | SEC FORM 4 Code A | —30,000 at $0.00 | filing |
| 19 May 2021filed 21 May 2021 | OSS One Stop SystemsHardware, Devices & Storage | SEC FORM 4 Code A | —8,666 at $0.00 | filing |
| 11 Feb 2021filed 17 Feb 2021 | OSS One Stop SystemsHardware, Devices & Storage | SEC FORM 4 Code M | —6,164 at $0.00 | filing |
| 11 Feb 2021filed 17 Feb 2021 | OSS One Stop Systemsoption or derivative · Hardware, Devices & Storage | SEC FORM 4 Code M | —6,164 at $0.00 | filing |
News
EXHIBITOR PROFILE: Rugged, data center class computing for the warfighter showcased by One Stop Systems AUSAOSS · militaryembedded.com · 9 Oct 2026
0 headlines in the last 90 days name Gregory W. Matz; 1 article from the last 14 days about the 1 company they traded most, at most three about any one of them.