16 insiders reported 33 Form 4 transactions for HilleVax, Inc. (HLVX) over the past 18 months (most recent 2025-09-19). Recent activity: TAKEDA PHARMACEUTICAL CO LTD (Insider) Sell 6.7M shares, Takeda Vaccines, Inc. (Insider) Sell 6.7M shares, Topper James N (Insider) Sell 17,199 shares, Sepulveda Jaime (Director) Sell 59,224 shares, HERSHBERG ROBERT (President and CEO) Sell 1.1M shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2025-09-19 | TAKEDA PHARMACEUTICAL CO LTD | Insider | Sell | 6.7M | $13.1M |
| 2025-09-19 | Takeda Vaccines, Inc. | Insider | Sell | 6.7M | $13.1M |
| 2025-09-17 | Topper James N | Insider | Sell | 17,199 | $33,538 |
| 2025-09-17 | Sepulveda Jaime | Director | Sell | 59,224 | $0 |
| 2025-09-17 | HERSHBERG ROBERT | President and CEO | Sell | 1.1M | $0 |
| 2025-09-17 | Chu Shelley | Director | Sell | 17,199 | $0 |
| 2025-09-17 | Maltbie Shane | Chief Financial Officer | Sell | 83,738 | $0 |
| 2025-09-17 | Heron Patrick J | Director | Sell | 8.5M | $16.6M |
| 2025-09-17 | Topper James N | Insider | Sell | 8.5M | $16.6M |
| 2025-09-17 | FHMLS X, L.L.C. | Insider | Sell | 8.5M | $16.6M |
| 2025-09-17 | Frazier Life Sciences X, L.P. | Insider | Sell | 8.5M | $16.6M |
| 2025-09-17 | FHMLS X, L.P. | Insider | Sell | 8.5M | $16.6M |
| 2025-09-17 | Kohli Aditya | Director | Sell | 698,171 | $0 |
| 2025-09-17 | Heron Patrick J | Director | Sell | 17,199 | $33,538 |
| 2025-09-17 | FHMLS X, L.L.C. | Insider | Sell | 17,199 | $33,538 |
| 2025-09-17 | Frazier Life Sciences X, L.P. | Insider | Sell | 17,199 | $33,538 |
| 2025-09-17 | FHMLS X, L.P. | Insider | Sell | 17,199 | $33,538 |
| 2025-09-17 | Gerberding Julie L. | Director | Sell | 59,224 | $0 |
| 2025-09-17 | Cocero Nanette | Director | Sell | 17,199 | $0 |
| 2025-09-17 | HILLEMAN JERYL L | Director | Sell | 59,224 | $0 |
| 2025-09-17 | Dubin Gary | Director | Sell | 17,199 | $0 |
| 2025-06-25 | Kohli Aditya | Director | Buy | 17,199 | $0 |
| 2025-06-25 | HILLEMAN JERYL L | Director | Buy | 17,199 | $0 |
| 2025-06-25 | Cocero Nanette | Director | Buy | 17,199 | $0 |
| 2025-06-25 | Chu Shelley | Director | Buy | 17,199 | $0 |
Source: SEC Form 4 filings · as of 2025-09-19
