Siren, L.L.C. insider trades
Siren, L.L.C. has filed 4 Form 4s with the SEC that we hold, for Crescent Biopharma, INC. (GLYC) (10% owner) and Scholar Rock Holding Corp (SRRK) (10% owner). Across all of them we count 0 purchases worth $0 and 7 sales worth $447.7K reported on Form 4. None of these purchases or sales is dated in the last 12 months. The largest single trade was a sale of 756,835 shares of Crescent Biopharma, INC. worth $166.5K, dated 2024-07-30. The first filing on our record is dated 2024-07-30 and the latest 2026-02-06.
Crescent Biopharma, INC. (GLYC)
| Trade date | Code | Shares | Value as filed | Filed |
|---|---|---|---|---|
| 2024-07-26 | S, sale reported on Form 4 | 258,335 | $62.0K | 2024-07-30 |
| 2024-07-29 | S, sale reported on Form 4 | 363,949 | $87.3K | 2024-07-30 |
| 2024-07-30 | S, sale reported on Form 4 | 756,835 | $166.5K | 2024-07-30 |
| 2024-08-01 | S, sale reported on Form 4 | 63,564 | $14.0K | 2024-08-05 |
| 2024-08-02 | S, sale reported on Form 4 | 286,200 | $57.2K | 2024-08-05 |
| 2024-08-07 | S, sale reported on Form 4 | 61,488 | $11.1K | 2024-08-09 |
| 2024-08-08 | S, sale reported on Form 4 | 260,873 | $49.6K | 2024-08-09 |
Scholar Rock Holding Corp (SRRK)
No purchase or sale of common stock reported here; these filings cover grants, option exercises or other codes.
Counted from the Form 4 filings this reporting owner (SEC CIK 2005245) filed on EDGAR. Values are the transaction values as filed. See every filing on EDGAR, or browse insider buying and today's insider purchases.
Source: U.S. Securities and Exchange Commission (EDGAR) and other official
government data · Updated 2026-10-12 ·
For informational purposes only, not investment advice.
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