Who
Robert Langer
Director
Company insider
Files Form 4 as: Director, Seer; Director, Moderna; Director, Korro Bio; Director, Lyra Therapeutics; Director, Rubius Therapeutics; Director and 10% owner, Kala Bio; Director, Dnib Unwind; Director, Ocata Therapeutics.
In numbers
- Trades disclosed
- 173
- Buys
- 1
- Sells
- 46
- Bought
- $25K
- Sold
- $2.8M
- Companies
- 15
- Companies where not an officer
- 15
- First trade
- 2 Jan 2006
- Last trade
- 28 Jul 2026
- Last filed
- 30 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 | |
|---|---|---|---|---|
| 28 Jul 2026filed 30 Jul 2026 | SEER SeerLife-science tools | SEC FORM 4 Code A | —16,500 at $0.00 | filing |
| 28 Jul 2026filed 30 Jul 2026 | SEER Seeroption or derivative · Life-science tools | SEC FORM 4 Code A | —25,000 at $0.00 | filing |
| 28 Jul 2026filed 30 Jul 2026 | SEER Seeroption or derivative · Life-science tools | SEC FORM 4 Code A | —25,000 at $0.00 | filing |
| 28 Jul 2026filed 30 Jul 2026 | SEER SeerLife-science tools | SEC FORM 4 Code A | —16,500 at $0.00 | filing |
| 7 Jul 2025filed 9 Jul 2025 | SEER Seeroption or derivative · Life-science tools | SEC FORM 4 Code A | —30,500 at $0.00 | filing |
| 7 Jul 2025filed 9 Jul 2025 | SEER SeerLife-science tools | SEC FORM 4 Code A | —20,500 at $0.00 | filing |
| 12 Jun 2024filed 14 Jun 2024 | SEER SeerLife-science tools | SEC FORM 4 Code A | —58,178 at $0.00 | filing |
| 6 May 2024filed 7 May 2024 | MRNA Modernaoption or derivative · Biotechnology | SEC FORM 4 Code A | —7,557 at $0.00 | filing |
| 14 Jun 2023filed 16 Jun 2023 | SEER Seeroption or derivative · Life-science tools | SEC FORM 4 Code A | —34,735 at $0.00 | filing |
| 14 Jun 2023filed 16 Jun 2023 | SEER SeerLife-science tools | SEC FORM 4 Code A | —23,443 at $0.00 | filing |
| 3 May 2023filed 5 May 2023 | MRNA Modernaoption or derivative · Biotechnology | SEC FORM 4 Code A | —6,134 at $0.00 | filing |
| 17 Aug 2022filed 19 Aug 2022 | KRRO Korro Biooption or derivative · Biotechnology | SEC FORM 4 Code A | —14,846 | filing |
| 17 Aug 2022filed 19 Aug 2022 | KRRO Korro Biooption or derivative · Biotechnology | SEC FORM 4 Code D | —14,846 | filing |
| 17 Aug 2022filed 19 Aug 2022 | KRRO Korro Biooption or derivative · Biotechnology | SEC FORM 4 Code A | —14,846 | filing |
| 17 Aug 2022filed 19 Aug 2022 | KRRO Korro Biooption or derivative · Biotechnology | SEC FORM 4 Code D | —14,846 | filing |
| 21 Jun 2022filed 23 Jun 2022 | KRRO Korro Biooption or derivative · Biotechnology | SEC FORM 4 Code A | —14,846 at $0.00 | filing |
| 15 Jun 2022filed 17 Jun 2022 | SEER Seeroption or derivative · Life-science tools | SEC FORM 4 Code A | —29,640 at $0.00 | filing |
| 15 Jun 2022filed 17 Jun 2022 | SEER SeerLife-science tools | SEC FORM 4 Code A | —9,945 at $0.00 | filing |
| 5 May 2022filed 3 Feb 2023 | MRNA ModernaBiotechnology | SEC FORM 4 Code G | —703 at $0.00 | filing |
| 28 Apr 2022filed 2 May 2022 | MRNA Modernaoption or derivative · Biotechnology | SEC FORM 4 Code M | —703 at $0.00 | filing |
News
No headline names them, or the companies they trade most, lately.