Who
Robert S. Wiesenthal
Director
Company insider
Files Form 4 as: Chief Executive Officer, Strata Critical Medical; Director, TripAdvisor; Director, Starz Acquisition; Director, Entercom Communications.
In numbers
- Trades disclosed
- 94
- Buys
- 0
- Sells
- 17
- Bought
- $0
- Sold
- $9.1M
- Companies
- 4
- Companies where not an officer
- 3
- First trade
- 6 Apr 2006
- Last trade
- 30 Jul 2026
- Last filed
- 3 Aug 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 Jul 2026filed 3 Aug 2026 | SRTA Strata Critical MedicalProviders & Facilities | SEC FORM 4 Code A | —50,234 at $0.00 | filing |
| 30 Jul 2026filed 3 Aug 2026 | SRTA Strata Critical MedicalProviders & Facilities | SEC FORM 4 Code A | —50,234 at $0.00 | filing |
| 29 Jun 2026filed 1 Jul 2026 | TRIP TripAdvisorIT Services & Consulting | SEC FORM 4 Code A | —17,818 at $0.00 | filing |
| 29 Jun 2026filed 1 Jul 2026 | TRIP TripAdvisorIT Services & Consulting | SEC FORM 4 Code A | —17,818 at $0.00 | filing |
| 29 Aug 2025filed 3 Sep 2025 | SRTA Strata Critical MedicalProviders & Facilities | SEC FORM 4 Code A | —40,607 at $0.00 | filing |
| 6 Aug 2025filed 7 Aug 2025 | SRTA Strata Critical Medicaloption or derivative · Providers & Facilities | SEC FORM 4 Code M | —282,470 at $0.00 | filing |
| 6 Aug 2025filed 7 Aug 2025 | SRTA Strata Critical MedicalProviders & Facilities | SEC FORM 4 Code M | $51K282,470 at $0.18 | filing |
| 1 Aug 2025filed 5 Aug 2025 | SRTA Strata Critical MedicalProviders & Facilities | SEC FORM 4 Code A | —246,429 at $0.00 | filing |
| 1 Aug 2025filed 5 Aug 2025 | SRTA Strata Critical MedicalProviders & Facilities | SEC FORM 4 Code F | $544K136,263 at $3.99 | filing |
| 18 Jun 2025filed 1 Jul 2026 | TRIP TripAdvisorIT Services & Consulting | SEC FORM 4 Code A | —19,171 at $0.00 | filing |
| 18 Jun 2025filed 1 Jul 2026 | TRIP TripAdvisorIT Services & Consulting | SEC FORM 4 Code A | —19,171 at $0.00 | filing |
| 18 Jun 2025filed 20 Jun 2025 | TRIP TripAdvisorIT Services & Consulting | SEC FORM 4 Code A | —19,171 at $0.00 | filing |
| 10 Jun 2025filed 11 Jun 2025 | SRTA Strata Critical MedicalProviders & Facilities | SEC FORM 4 Code F | $346K91,031 at $3.80 | filing |
| 27 Mar 2025filed 28 Mar 2025 | SRTA Strata Critical Medicaloption or derivative · Providers & Facilities | SEC FORM 4 Code M | —1,237,611 at $0.00 | filing |
| 27 Mar 2025filed 28 Mar 2025 | SRTA Strata Critical MedicalProviders & Facilities | SEC FORM 4 Code M | $223K1,237,611 at $0.18 | filing |
| 27 Mar 2025filed 28 Mar 2025 | SRTA Strata Critical MedicalProviders & Facilities | SEC FORM 4 Code F | $2.1M717,815 at $2.98 | filing |
| 13 Mar 2025filed 17 Mar 2025 | SRTA Strata Critical MedicalProviders & Facilities | SEC FORM 4 Code A | —394,286 at $0.00 | filing |
| 13 Mar 2025filed 17 Mar 2025 | SRTA Strata Critical MedicalProviders & Facilities | SEC FORM 4 Code F | $682K218,479 at $3.12 | filing |
| 13 Mar 2025filed 17 Mar 2025 | SRTA Strata Critical MedicalProviders & Facilities | SEC FORM 4 Code F | $285K91,213 at $3.12 | filing |
| 19 Dec 2024filed 23 Dec 2024 | SRTA Strata Critical Medicaloption or derivative · Providers & Facilities | SEC FORM 4 Code M | —1,237,612 at $0.00 | filing |
News
No headline names them, or the companies they trade most, lately.