| Type | Value |
|---|---|
| cik | 0001280600 |
| ticker | XLRN |
| Date | Type | Insider | Qty | Price | Signals |
|---|---|---|---|---|---|
| 19 Nov 2021 | TENDER | Backstrom Jay T. | 21,233 | — | |
| 19 Nov 2021 | OTHER | Backstrom Jay T. | 96,963 | — | deriv |
| 19 Nov 2021 | OTHER | Backstrom Jay T. | 20,896 | — | deriv |
| 19 Nov 2021 | TENDER | Smith Karen L. | 1,622 | — | |
| 19 Nov 2021 | OTHER | Smith Karen L. | 3,222 | — | deriv |
| 19 Nov 2021 | OTHER | Smith Karen L. | 3,750 | — | deriv |
| 19 Nov 2021 | OTHER | Smith Karen L. | 1,875 | — | deriv |
| 19 Nov 2021 | OTHER | Smith Karen L. | 10,000 | — | deriv |
| 19 Nov 2021 | OTHER | Smith Karen L. | 4,085 | — | deriv |
| 19 Nov 2021 | TENDER | Dable Habib J | 98,450 | — | |
| 19 Nov 2021 | OTHER | Dable Habib J | 250,000 | — | deriv |
| 19 Nov 2021 | OTHER | Dable Habib J | 108,800 | — | deriv |
| 19 Nov 2021 | OTHER | Dable Habib J | 106,400 | — | deriv |
| 19 Nov 2021 | OTHER | Dable Habib J | 64,361 | — | deriv |
| 19 Nov 2021 | OTHER | Dable Habib J | 84,720 | — | deriv |
| 19 Nov 2021 | TENDER | Malik Kemal | 1,622 | — | |
| 19 Nov 2021 | OTHER | Malik Kemal | 3,222 | — | deriv |
| 19 Nov 2021 | OTHER | Malik Kemal | 17,956 | — | deriv |
| 19 Nov 2021 | TENDER | Hamill Laura | 474 | — | |
| 19 Nov 2021 | OTHER | Hamill Laura | 9,339 | — | deriv |
| 19 Nov 2021 | OTHER | Hamill Laura | 941 | — | deriv |
| 19 Nov 2021 | TENDER | KANGO SUJAY | 18,509 | — | |
| 19 Nov 2021 | OTHER | KANGO SUJAY | 20,896 | — | deriv |
| 19 Nov 2021 | OTHER | KANGO SUJAY | 24,334 | — | deriv |
| 19 Nov 2021 | OTHER | KANGO SUJAY | 25,000 | — | deriv |