Who
Robert S. Silberman
Director
Company insider
Files Form 4 as: Director, Par Pacific Holdings; Chairman, Strategic Education; Director, Covanta Holding; Director, Twenty-First Century Fox.
In numbers
- Trades disclosed
- 253
- Buys
- 12
- Sells
- 17
- Bought
- $6.7M
- Sold
- $124.2M
- Companies
- 4
- Companies where not an officer
- 3
- First trade
- 14 Feb 2006
- Last trade
- 5 Oct 2026
- Last filed
- 6 Oct 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 | |
|---|---|---|---|---|
| 5 Oct 2026filed 6 Oct 2026 | PARR Par Pacific Holdingsoption or derivative · Oil & Gas E&P | SEC FORM 4 Code A | —428 at $0.00 | filing |
| 5 Jul 2026filed 7 Jul 2026 | PARR Par Pacific Holdingsoption or derivative · Oil & Gas E&P | SEC FORM 4 Code A | —1,026 at $0.00 | filing |
| 5 Jul 2026filed 7 Jul 2026 | PARR Par Pacific Holdingsoption or derivative · Oil & Gas E&P | SEC FORM 4 Code A | —1,026 at $0.00 | filing |
| 5 Apr 2026filed 7 Apr 2026 | PARR Par Pacific Holdingsoption or derivative · Oil & Gas E&P | SEC FORM 4 Code A | —616 at $0.00 | filing |
| 5 Apr 2026filed 7 Apr 2026 | PARR Par Pacific Holdingsoption or derivative · Oil & Gas E&P | SEC FORM 4 Code A | —616 at $0.00 | filing |
| 13 Mar 2026filed 16 Mar 2026 | STRA Strategic EducationEducation Services | SEC FORM 4 Bought | $58K718 at $80.82 | filing |
| 13 Mar 2026filed 16 Mar 2026 | STRA Strategic EducationEducation Services | SEC FORM 4 Bought | $58K718 at $80.82 | filing |
| 26 Feb 2026filed 26 Feb 2026 | STRA Strategic EducationEducation Services | SEC FORM 4 Code A | —52,646 at $0.00 | filing |
| 26 Feb 2026filed 26 Feb 2026 | STRA Strategic EducationEducation Services | SEC FORM 4 Code A | —52,646 at $0.00 | filing |
| 24 Feb 2026filed 26 Feb 2026 | STRA Strategic EducationEducation Services | SEC FORM 4 Code F | $2.1M28,260 at $74.91 | filing |
| 24 Feb 2026filed 26 Feb 2026 | STRA Strategic EducationEducation Services | SEC FORM 4 Code F | $2.1M28,260 at $74.91 | filing |
| 5 Jan 2026filed 7 Jan 2026 | PARR Par Pacific Holdingsoption or derivative · Oil & Gas E&P | SEC FORM 4 Code A | —1,074 at $0.00 | filing |
| 5 Jan 2026filed 7 Jan 2026 | PARR Par Pacific Holdingsoption or derivative · Oil & Gas E&P | SEC FORM 4 Code A | —1,074 at $0.00 | filing |
| 5 Oct 2025filed 7 Oct 2025 | PARR Par Pacific Holdingsoption or derivative · Oil & Gas E&P | SEC FORM 4 Code A | —1,166 at $0.00 | filing |
| 5 Jul 2025filed 8 Jul 2025 | PARR Par Pacific Holdingsoption or derivative · Oil & Gas E&P | SEC FORM 4 Code A | —1,272 at $0.00 | filing |
| 5 Apr 2025filed 8 Apr 2025 | PARR Par Pacific Holdingsoption or derivative · Oil & Gas E&P | SEC FORM 4 Code A | —3,096 at $0.00 | filing |
| 3 Mar 2025filed 5 Mar 2025 | STRA Strategic EducationEducation Services | SEC FORM 4 Bought | $850K10,528 at $80.70 | filing |
| 26 Feb 2025filed 27 Feb 2025 | STRA Strategic EducationEducation Services | SEC FORM 4 Code A | —33,184 at $0.00 | filing |
| 25 Feb 2025filed 27 Feb 2025 | STRA Strategic EducationEducation Services | SEC FORM 4 Code F | $2.6M26,718 at $98.39 | filing |
| 5 Jan 2025filed 7 Jan 2025 | PARR Par Pacific Holdingsoption or derivative · Oil & Gas E&P | SEC FORM 4 Code A | —2,395 at $0.00 | filing |
News
No headline names them, or the companies they trade most, lately.