SGMOQ Insider Transactions
1,473 retained open-market purchase and sale rows from SEC Forms 3, 4 and 5, newest first. This page shows rows 1–100; provenance stays internal.
SGMOQ insiders transaction timeline
PurchaseSale
| Insider profile | Role | Date | Transaction | Shares | Price |
|---|---|---|---|---|---|
| Davis Gregory D | Head of Research & Technology | 2026-04-22 | Sale | 69,827.0 | $0.25 |
| Dubois-Stringfellow Nathalie | SVP-CHIEF DEVELOPMENT OFFICER | 2026-04-21 | Sale | 345,942.0 | $0.26 |
| BIOGEN INC. | TenPercentOwner | 2023-09-26 | Sale | 6,000,000.0 | $0.5 |
| Biogen MA Inc. | TenPercentOwner | 2023-09-26 | Sale | 6,000,000.0 | $0.5 |
| BIOGEN INC. | TenPercentOwner | 2022-08-30 | Sale | 100,000.0 | $5.27 |
| Biogen MA Inc. | TenPercentOwner | 2022-08-30 | Sale | 100,000.0 | $5.27 |
| BIOGEN INC. | TenPercentOwner | 2022-08-29 | Sale | 400,000.0 | $5.33 |
| Biogen MA Inc. | TenPercentOwner | 2022-08-29 | Sale | 400,000.0 | $5.33 |
| Markels John | Director | 2022-06-03 | Purchase | 6,784.0 | $3.69 |
| PARKER H STEWART | Director | 2022-06-01 | Purchase | 5,000.0 | $3.6 |
| BIOGEN INC. | TenPercentOwner | 2021-12-28 | Sale | 2,764.0 | $8.51 |
| Biogen MA Inc. | TenPercentOwner | 2021-12-28 | Sale | 2,764.0 | $8.51 |
| BIOGEN INC. | TenPercentOwner | 2021-12-27 | Sale | 600.0 | $8.56 |
| Biogen MA Inc. | TenPercentOwner | 2021-12-27 | Sale | 600.0 | $8.56 |
| BIOGEN INC. | TenPercentOwner | 2021-12-23 | Sale | 81,187.0 | $8.55 |
| Biogen MA Inc. | TenPercentOwner | 2021-12-23 | Sale | 81,187.0 | $8.55 |
| BIOGEN INC. | TenPercentOwner | 2021-12-09 | Sale | 23,660.0 | $8.56 |
| Biogen MA Inc. | TenPercentOwner | 2021-12-09 | Sale | 23,660.0 | $8.56 |
| BIOGEN INC. | TenPercentOwner | 2021-12-08 | Sale | 75,814.0 | $8.64 |
| Biogen MA Inc. | TenPercentOwner | 2021-12-08 | Sale | 75,814.0 | $8.64 |
| BIOGEN INC. | TenPercentOwner | 2021-12-07 | Sale | 52,178.0 | $8.52 |
| Biogen MA Inc. | TenPercentOwner | 2021-12-07 | Sale | 52,178.0 | $8.52 |
| BIOGEN INC. | TenPercentOwner | 2021-12-02 | Sale | 1,874.0 | $8.51 |
| Biogen MA Inc. | TenPercentOwner | 2021-12-02 | Sale | 1,874.0 | $8.51 |
| BIOGEN INC. | TenPercentOwner | 2021-12-01 | Sale | 730.0 | $8.52 |
| Biogen MA Inc. | TenPercentOwner | 2021-12-01 | Sale | 730.0 | $8.52 |
| BIOGEN INC. | TenPercentOwner | 2021-11-26 | Sale | 28,884.0 | $8.6 |
| Biogen MA Inc. | TenPercentOwner | 2021-11-26 | Sale | 28,884.0 | $8.6 |
| LOEB GARY | EVP, General Counsel & Sec. | 2021-03-23 | Sale | 543.0 | $13.17 |
| LOEB GARY | EVP, General Counsel & Sec. | 2021-03-23 | Sale | 5,000.0 | $13.18 |
| LOEB GARY | EVP, General Counsel & Sec. | 2021-03-23 | Sale | 11,981.0 | $13.1 |
| Ramelmeier Rolf Andrew | EVP, Technical Operations | 2020-12-31 | Sale | 2,464.0 | $16.74 |
| Ramelmeier Rolf Andrew | EVP, Technical Operations | 2020-12-24 | Sale | 3,331.0 | $18.13 |
| Ramasastry Saira | Director | 2020-12-17 | Sale | 10,000.0 | $13.27 |
| DILLY STEPHEN GEORGE | Director | 2020-03-19 | Sale | 35,000.0 | $6.0 |
| PARKER H STEWART | Director | 2020-03-18 | Purchase | 3,000.0 | $5.2 |
| Zakrzewski Joseph S | Director | 2020-03-17 | Purchase | 5,000.0 | $4.99 |
| DILLY STEPHEN GEORGE | Director | 2020-03-16 | Sale | 15,000.0 | $6.02 |
| Zakrzewski Joseph S | Director | 2020-03-13 | Purchase | 5,000.0 | $5.67 |
| Zakrzewski Joseph S | Director | 2020-03-12 | Purchase | 15,000.0 | $6.31 |
| Yi Kathy | EVP & Chief Financial Officer | 2019-05-15 | Sale | 5,000.0 | $10.0 |
| Yi Kathy | EVP & Chief Financial Officer | 2019-04-15 | Sale | 5,000.0 | $12.11 |
| Yi Kathy | EVP & Chief Financial Officer | 2019-03-15 | Sale | 5,000.0 | $10.0 |
| Yi Kathy | EVP & Chief Financial Officer | 2019-03-01 | Sale | 5,000.0 | $10.0 |
| Yi Kathy | SVP & Chief Financial Officer | 2019-01-15 | Sale | 5,000.0 | $11.04 |
| Conner Edward R. | Sr. VP & Chief Medical Officer | 2019-01-07 | Sale | 5,000.0 | $12.33 |
| Yi Kathy | SVP & Chief Financial Officer | 2018-12-17 | Sale | 5,000.0 | $11.44 |
| Conner Edward R. | Sr. VP & Chief Medical Officer | 2018-12-06 | Sale | 5,000.0 | $11.49 |
| Yi Kathy | SVP & Chief Financial Officer | 2018-11-15 | Sale | 5,000.0 | $10.0 |
| PARKER H STEWART | Director | 2018-11-14 | Purchase | 2,000.0 | $9.0 |
| Conner Edward R. | Sr. VP & Chief Medical Officer | 2018-11-06 | Sale | 5,000.0 | $13.73 |
| Yi Kathy | SVP & Chief Financial Officer | 2018-10-15 | Sale | 5,000.0 | $13.97 |
| Conner Edward R. | Sr. VP & Chief Medical Officer | 2018-10-08 | Sale | 5,000.0 | $14.55 |
| Yi Kathy | SVP & Chief Financial Officer | 2018-09-17 | Sale | 5,000.0 | $14.66 |
| JEFFS ROGER | Director | 2018-09-07 | Purchase | 7,408.0 | $13.56 |
| PARKER H STEWART | Director | 2018-09-07 | Purchase | 2,000.0 | $13.52 |
| Conner Edward R. | Sr. VP & Chief Medical Officer | 2018-09-06 | Sale | 5,000.0 | $14.17 |
| Yi Kathy | SVP & Chief Financial Officer | 2018-08-16 | Sale | 5,000.0 | $15.39 |
| Conner Edward R. | Sr. VP & Chief Medical Officer | 2018-08-06 | Sale | 5,000.0 | $13.45 |
| Yi Kathy | SVP & Chief Financial Officer | 2018-07-16 | Sale | 5,000.0 | $14.77 |
| Conner Edward R. | Sr. VP & Chief Medical Officer | 2018-07-06 | Sale | 5,000.0 | $15.8 |
| Yi Kathy | SVP & Chief Financial Officer | 2018-06-15 | Sale | 5,000.0 | $15.67 |
| Conner Edward R. | Sr. VP & Chief Medical Officer | 2018-06-06 | Sale | 5,000.0 | $16.67 |
| Yi Kathy | SVP & Chief Financial Officer | 2018-05-15 | Sale | 5,000.0 | $15.38 |
| Conner Edward R. | Sr. VP & Chief Medical Officer | 2018-05-07 | Sale | 5,000.0 | $16.36 |
| Yi Kathy | SVP & Chief Financial Officer | 2018-04-16 | Sale | 5,000.0 | $19.83 |
| Herberts Curt A. III | Sr.VP & Chief Business Officer | 2018-04-13 | Sale | 8,163.0 | $20.0 |
| Conner Edward R. | Sr. VP & Chief Medical Officer | 2018-04-06 | Sale | 5,000.0 | $17.41 |
| Mento Steven J | Director | 2018-04-02 | Sale | 100.0 | $18.9 |
| Mento Steven J | Director | 2018-04-02 | Sale | 7,115.0 | $18.39 |
| Herberts Curt A. III | Sr.VP & Chief Business Officer | 2018-04-02 | Sale | 2,278.0 | $18.3 |
| Yi Kathy | SVP & Chief Financial Officer | 2018-03-15 | Sale | 5,000.0 | $25.56 |
| Conner Edward R. | Sr. VP & Chief Medical Officer | 2018-03-06 | Sale | 5,000.0 | $24.78 |
| Mento Steven J | Director | 2018-03-01 | Sale | 9,433.0 | $23.27 |
| Herberts Curt A. III | Sr.VP & Chief Business Officer | 2018-03-01 | Sale | 15,000.0 | $23.06 |
| Ramasastry Saira | Director | 2018-02-26 | Sale | 9,450.0 | $24.88 |
| Conner Edward R. | Sr. VP & Chief Medical Officer | 2018-02-06 | Sale | 5,000.0 | $18.49 |
| Mento Steven J | Director | 2018-02-01 | Sale | 11,520.0 | $20.59 |
| Herberts Curt A. III | Sr.VP & Chief Business Officer | 2018-02-01 | Sale | 15,000.0 | $20.59 |
| Conner Edward R. | Sr. VP & Chief Medical Officer | 2018-01-08 | Sale | 5,000.0 | $17.11 |
| Herberts Curt A. III | Sr.VP & Chief Business Officer | 2018-01-03 | Sale | 8,026.0 | $18.05 |
| Herberts Curt A. III | Sr.VP & Chief Business Officer | 2018-01-02 | Sale | 6,974.0 | $16.35 |
| Conner Edward R. | Sr. VP & Chief Medical Officer | 2017-12-06 | Sale | 5,000.0 | $16.24 |
| Herberts Curt A. III | Sr.VP & Chief Business Officer | 2017-12-04 | Sale | 11,803.0 | $18.0 |
| Herberts Curt A. III | Sr.VP & Chief Business Officer | 2017-12-01 | Sale | 3,197.0 | $16.7 |
| Herberts Curt A. III | Sr.VP & Chief Business Officer | 2017-12-01 | Sale | 3,197.0 | $16.7 |
| Herberts Curt A. III | Sr.VP & Chief Business Officer | 2017-11-30 | Sale | 13,433.0 | $16.0 |
| Herberts Curt A. III | Sr.VP & Chief Business Officer | 2017-11-30 | Sale | 13,433.0 | $16.0 |
| Ramasastry Saira | Director | 2017-11-17 | Sale | 5,000.0 | $14.67 |
| Herberts Curt A. III | Sr.VP & Chief Business Officer | 2017-10-02 | Sale | 3,754.0 | $16.0 |
| Herberts Curt A. III | Sr.VP & Chief Business Officer | 2017-10-02 | Sale | 5,416.0 | $15.0 |
| Herberts Curt A. III | Sr.VP & Chief Business Officer | 2017-10-02 | Sale | 5,830.0 | $15.0 |
| RINGO WILLIAM R | Director | 2017-09-20 | Sale | 31,000.0 | $14.37 |
| Herberts Curt A. III | Sr.VP & Chief Business Officer | 2017-09-01 | Sale | 10,316.0 | $15.0 |
| Herberts Curt A. III | Sr.VP & Chief Business Officer | 2017-09-01 | Sale | 4,684.0 | $15.0 |
| Herberts Curt A. III | Sr.VP & Chief Business Officer | 2017-08-14 | Sale | 5,000.0 | $11.0 |
| Herberts Curt A. III | Sr.VP & Chief Business Officer | 2017-08-11 | Sale | 6,474.0 | $10.0 |
| Herberts Curt A. III | Sr.VP & Chief Business Officer | 2017-07-14 | Sale | 14,828.0 | $10.0 |
| Herberts Curt A. III | Sr.VP & Chief Business Officer | 2017-07-14 | Sale | 172.0 | $10.0 |
| Herberts Curt A. III | Senior VP & CBO | 2017-06-01 | Sale | 2,000.0 | $6.8 |