Who
Bob Rosenthal
Director
Company insider
Files Form 4 as: Director, Bruker; Director, Invivo Therapeutics Holdings; Executive Chairman, Safeguard Scientifics; Director, Matritech Inc/de/.
In numbers
- Trades disclosed
- 95
- Buys
- 1
- Sells
- 1
- Bought
- $15K
- Sold
- $296K
- Companies
- 4
- Companies where not an officer
- 3
- First trade
- 22 Jan 2007
- Last trade
- 15 Feb 2026
- Last filed
- 18 Feb 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 | |
|---|---|---|---|---|
| 15 Feb 2026filed 18 Feb 2026 | BRKR BrukerLife-science tools | SEC FORM 4 Code A | —4,520 at $0.00 | filing |
| 15 Feb 2026filed 18 Feb 2026 | BRKR BrukerLife-science tools | SEC FORM 4 Code A | —4,520 at $0.00 | filing |
| 15 Feb 2025filed 19 Feb 2025 | BRKR BrukerLife-science tools | SEC FORM 4 Code A | —3,298 at $0.00 | filing |
| 15 Aug 2024filed 16 Aug 2024 | BRKR Brukeroption or derivative · Life-science tools | SEC FORM 4 Code M | —2,500 at $0.00 | filing |
| 15 Aug 2024filed 16 Aug 2024 | BRKR Brukeroption or derivative · Life-science tools | SEC FORM 4 Code M | —10,000 at $0.00 | filing |
| 15 Aug 2024filed 16 Aug 2024 | BRKR BrukerLife-science tools | SEC FORM 4 Code M | $52K2,500 at $20.83 | filing |
| 15 Aug 2024filed 16 Aug 2024 | BRKR BrukerLife-science tools | SEC FORM 4 Code M | $240K10,000 at $24.00 | filing |
| 15 Aug 2024filed 16 Aug 2024 | BRKR BrukerLife-science tools | SEC FORM 4 Sold | $296K4,684 at $63.14 | filing |
| 5 Jan 2024filed 9 Jan 2024 | BRKR BrukerLife-science tools | SEC FORM 4 Code A | —2,377 at $0.00 | filing |
| 5 Jan 2023filed 9 Jan 2023 | BRKR BrukerLife-science tools | SEC FORM 4 Code A | —1,970 at $0.00 | filing |
| 17 Nov 2022filed 21 Nov 2022 | Invivo Therapeutics Holdingsoption or derivative | SEC FORM 4 Code A | —4,200 at $0.00 | filing |
| 15 Apr 2022filed 18 Apr 2022 | Safeguard Scientifics | SEC FORM 4 Code A | $27K5,400 at $4.94 | filing |
| 17 Jan 2022filed 18 Jan 2022 | Safeguard Scientifics | SEC FORM 4 Code A | $28K3,913 at $7.10 | filing |
| 5 Jan 2022filed 6 Jan 2022 | BRKR BrukerLife-science tools | SEC FORM 4 Code A | —1,841 at $0.00 | filing |
| 15 Oct 2021filed 18 Oct 2021 | Safeguard Scientifics | SEC FORM 4 Code A | $27K3,236 at $8.30 | filing |
| 15 Jul 2021filed 16 Jul 2021 | Safeguard Scientifics | SEC FORM 4 Code A | $30K3,803 at $7.95 | filing |
| 30 Jun 2021filed 30 Jun 2021 | Safeguard Scientifics | SEC FORM 4 Code A | —10,423 at $0.00 | filing |
| 15 Apr 2021filed 16 Apr 2021 | Safeguard Scientifics | SEC FORM 4 Code A | $26K3,995 at $6.58 | filing |
| 18 Mar 2021filed 22 Mar 2021 | Invivo Therapeutics Holdingsoption or derivative | SEC FORM 4 Code A | —15,000 at $0.00 | filing |
| 15 Jan 2021filed 19 Jan 2021 | Safeguard Scientifics | SEC FORM 4 Code A | $28K4,281 at $6.63 | filing |
News
No headline names them, or the companies they trade most, lately.