MERRIMACK PHARMACEUTICALS IN (MACK)
US5903282094 - Common Stock
| Shares Outstanding | 14.53M |
| Float | 14.36M |
| Owners (insider) | 33.89% |
| Owners (institutional) | 64.16% |
| Owners (insider) change | 0% |
| Owners (institutional) change | -0.83% |
Insider Transactions
Top Institutional Holders
Insider Owners
| Date | Name | Type | Shares | Price | Amount |
|---|---|---|---|---|---|
| Dec 26, 2023 | Andersen Eric | Open Market Purchase | 49550 | 13.15 | $ 651,754.16 |
| Dec 26, 2023 | Western Standard LLC | Open Market Purchase | 49550 | 13.15 | $ 651,754.16 |
| Dec 26, 2023 | WESTERN STANDARD PARTNERS LP | Open Market Purchase | 49550 | 13.15 | $ 651,754.16 |
| Dec 26, 2023 | Western Standard Partners QP, L.P. | Open Market Purchase | 49550 | 13.15 | $ 651,754.16 |
| Dec 7, 2023 | Andersen Eric | Open Market Purchase | 101050 | 12.85 | $ 1,298,472.29 |
| Dec 7, 2023 | Western Standard LLC | Open Market Purchase | 101050 | 12.85 | $ 1,298,472.29 |
| Dec 7, 2023 | WESTERN STANDARD PARTNERS LP | Open Market Purchase | 101050 | 12.85 | $ 1,298,472.29 |
| Dec 7, 2023 | Western Standard Partners QP, L.P. | Open Market Purchase | 101050 | 12.85 | $ 1,298,472.29 |
| Nov 14, 2023 | Andersen Eric | Open Market Purchase | 50170 | 12.50 | $ 627,125.00 |
| Nov 14, 2023 | Western Standard LLC | Open Market Purchase | 50170 | 12.50 | $ 627,125.00 |
| Nov 14, 2023 | WESTERN STANDARD PARTNERS LP | Open Market Purchase | 50170 | 12.50 | $ 627,125.00 |
| Nov 14, 2023 | Western Standard Partners QP, L.P. | Open Market Purchase | 50170 | 12.50 | $ 627,125.00 |
| Nov 10, 2023 | Andersen Eric | Open Market Purchase | 53632 | 12.34 | $ 661,882.51 |
| Nov 10, 2023 | Western Standard LLC | Open Market Purchase | 53632 | 12.34 | $ 661,882.51 |
| Nov 10, 2023 | WESTERN STANDARD PARTNERS LP | Open Market Purchase | 53632 | 12.34 | $ 661,882.51 |
| Nov 10, 2023 | Western Standard Partners QP, L.P. | Open Market Purchase | 53632 | 12.34 | $ 661,882.51 |
| Nov 8, 2023 | Andersen Eric | Open Market Purchase | 23798 | 12.16 | $ 289,318.83 |
| Nov 8, 2023 | Western Standard LLC | Open Market Purchase | 23798 | 12.16 | $ 289,318.83 |
| Nov 8, 2023 | WESTERN STANDARD PARTNERS LP | Open Market Purchase | 23798 | 12.16 | $ 289,318.83 |
| Nov 8, 2023 | Western Standard Partners QP, L.P. | Open Market Purchase | 23798 | 12.16 | $ 289,318.83 |
| Aug 10, 2023 | CROCKER GARY L | Open Market Purchase | 4000 | 12.48 | $ 49,904.40 |
| Aug 7, 2023 | Andersen Eric | Open Market Purchase | 221550 | 12.00 | $ 2,658,740.69 |
| Aug 7, 2023 | Western Standard LLC | Open Market Purchase | 221550 | 12.00 | $ 2,658,740.69 |
| Aug 7, 2023 | WESTERN STANDARD PARTNERS LP | Open Market Purchase | 221550 | 12.00 | $ 2,658,740.69 |
| Aug 7, 2023 | Western Standard Partners QP, L.P. | Open Market Purchase | 221550 | 12.00 | $ 2,658,740.69 |