14 insiders reported 40 Form 4 transactions for Allakos Inc. (ALLK) over the past 18 months (most recent 2025-05-19). Recent activity: BVF I GP LLC (Insider) Sell 8.7M shares, LAMPERT MARK N (Insider) Sell 6.8M shares, BVF PARTNERS L P/IL (Insider) Sell 8.7M shares, BVF II GP LLC (Insider) Sell 8.7M shares, BVF Partners OS Ltd. (Insider) Sell 8.7M shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2025-05-19 | BVF I GP LLC | Insider | Sell | 8.7M | $0 |
| 2025-05-19 | LAMPERT MARK N | Insider | Sell | 6.8M | $0 |
| 2025-05-19 | BVF PARTNERS L P/IL | Insider | Sell | 8.7M | $0 |
| 2025-05-19 | BVF II GP LLC | Insider | Sell | 8.7M | $0 |
| 2025-05-19 | BVF Partners OS Ltd. | Insider | Sell | 8.7M | $0 |
| 2025-05-19 | BIOTECHNOLOGY VALUE FUND II LP | Insider | Sell | 8.7M | $0 |
| 2025-05-19 | BVF INC/IL | Insider | Sell | 8.7M | $0 |
| 2025-05-19 | BVF PARTNERS L P/IL | Insider | Sell | 855,211 | $0 |
| 2025-05-19 | BVF GP HOLDINGS LLC | Insider | Sell | 8.7M | $0 |
| 2025-05-19 | Biotechnology Value Trading Fund OS LP | Insider | Sell | 8.7M | $0 |
| 2025-05-19 | Biotechnology Value Trading Fund OS LP | Insider | Sell | 6.8M | $0 |
| 2025-05-19 | BVF II GP LLC | Insider | Sell | 6.8M | $0 |
| 2025-05-19 | BIOTECHNOLOGY VALUE FUND L P | Insider | Sell | 6.8M | $0 |
| 2025-05-19 | BVF I GP LLC | Insider | Sell | 6.8M | $0 |
| 2025-05-19 | BVF GP HOLDINGS LLC | Insider | Sell | 6.8M | $0 |
| 2025-05-19 | BVF PARTNERS L P/IL | Insider | Sell | 6.8M | $0 |
| 2025-05-19 | BVF INC/IL | Insider | Sell | 6.8M | $0 |
| 2025-05-19 | BVF Partners OS Ltd. | Insider | Sell | 6.8M | $0 |
| 2025-05-19 | BIOTECHNOLOGY VALUE FUND II LP | Insider | Sell | 6.8M | $0 |
| 2025-05-19 | BIOTECHNOLOGY VALUE FUND L P | Insider | Sell | 8.7M | $0 |
| 2025-05-19 | BIOTECHNOLOGY VALUE FUND II LP | Insider | Sell | 855,211 | $0 |
| 2025-05-19 | LAMPERT MARK N | Insider | Sell | 855,211 | $0 |
| 2025-05-19 | BIOTECHNOLOGY VALUE FUND L P | Insider | Sell | 855,211 | $0 |
| 2025-05-19 | BVF Partners OS Ltd. | Insider | Sell | 855,211 | $0 |
| 2025-05-19 | LAMPERT MARK N | Insider | Sell | 8.7M | $0 |
Source: SEC Form 4 filings · as of 2025-05-19