Siren, L.L.C.
SEC CIK 2005245 · EDGAR
BoughtSold
Most active insiders at SRRK, 12 months
| # | Insider | Title | Bought | Sold |
|---|---|---|---|---|
| 1 | AKKARAJU SRINIVAS | Dir | $19.99M | — |
| 2 | Qatanani Mo | CSO | — | $8.60M |
| 3 | Hallal David | CEO, Dir | — | $3.97M |
| 4 | Vaishnaw Akshay | Pres of R, D, Dir | — | $1.48M |
| 5 | Sinha Vikas | CFO | — | $1.23M |
| 6 | Woods Keith | COO | — | $1.22M |
| 7 | Ho Junlin | GC | — | $802.3K |
| 8 | Parlavecchio Caryn | CHRO | — | $714.0K |
| 9 | Marantz Jing L. | Chief Medical Off | — | $451.3K |
| 10 | Peng Katie | Dir | — | $337.8K |
| 15 | Siren, L.L.C. | 10% | — | — |
Transactions 4
| X | Filed | Traded | Ticker | Company | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| D | 2026-02-06 | 2025-12-11 | SRRK | Scholar Rock Holding Corp | Siren, L.L.C. | 10% | X - OptEx | $7.35 | +1.58M | 10.83M | +17% | +$11.58M |
| M | 2024-08-09 | 2024-08-07+ | CBIO | CRESCENT BIOPHARMA, INC. | Siren, L.L.C. | 10% | S - Sale | $0.1881 | -322.4K | 6.32M | -5% | -$60.6K |
| M | 2024-08-05 | 2024-08-01+ | CBIO | CRESCENT BIOPHARMA, INC. | Siren, L.L.C. | 10% | S - Sale | $0.2036 | -349.8K | 7.15M | -5% | -$71.2K |
| M | 2024-07-30 | 2024-07-26+ | CBIO | CRESCENT BIOPHARMA, INC. | Siren, L.L.C. | 10% | S - Sale | $0.229 | -1.38M | 7.21M | -16% | -$315.9K |
Purchase Sale Sale after option exercise All abbreviations