15 insiders reported 36 Form 4 transactions for Kailera Therapeutics, Inc. (KLRA) over the past 18 months (most recent 2026-04-22). Recent activity: WONG RODERICK (Insider) Buy 10.3M shares, RTW INVESTMENTS, LP (Insider) Buy 500,000 shares, RTW INVESTMENTS, LP (Insider) Buy 10.3M shares, Jiangsu Hengrui Pharmaceuticals Co., Ltd. (Insider) Buy 2.0M shares, WONG RODERICK (Insider) Buy 500,000 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-04-22 | WONG RODERICK | Insider | Buy | 10.3M | $0 |
| 2026-04-22 | RTW INVESTMENTS, LP | Insider | Buy | 500,000 | $8.0M |
| 2026-04-22 | RTW INVESTMENTS, LP | Insider | Buy | 10.3M | $0 |
| 2026-04-22 | Jiangsu Hengrui Pharmaceuticals Co., Ltd. | Insider | Buy | 2.0M | $0 |
| 2026-04-22 | WONG RODERICK | Insider | Buy | 500,000 | $8.0M |
| 2026-04-22 | Jiangsu Hengrui Pharmaceuticals Co., Ltd. | Insider | Buy | 9.5M | $0 |
| 2026-04-20 | BAIN CAPITAL INVESTORS LLC | Insider | Buy | 17.9M | $0 |
| 2026-04-20 | BAIN CAPITAL INVESTORS LLC | Insider | Buy | 8.4M | $134.4M |
| 2026-04-20 | Kaplan Andrew T. | Director | Buy | 17.9M | $0 |
| 2026-04-20 | BCPE Perseus Investor, LP | Insider | Buy | 17.9M | $0 |
| 2026-04-20 | Bain Capital Life Sciences IV General Partner, LLC | Insider | Buy | 16.9M | $0 |
| 2026-04-20 | BCPE Perseus Investor GP, LLC | Insider | Buy | 17.9M | $0 |
| 2026-04-20 | Bain Capital Life Sciences Investors, LLC | Insider | Buy | 16.9M | $0 |
| 2026-04-20 | Bain Capital Life Sciences Fund IV, L.P. | Insider | Buy | 16.9M | $0 |
| 2026-04-20 | Bain Capital Fund XIV, L.P. | Insider | Buy | 17.9M | $0 |
| 2026-04-20 | Koppel Adam | Director | Buy | 16.9M | $0 |
| 2026-04-20 | BCLS Fund IV Investments, L.P. | Insider | Buy | 16.9M | $0 |
| 2026-04-20 | BCLS Fund IV Investments GP, LLC | Insider | Buy | 16.9M | $0 |
| 2026-04-20 | Bain Capital Life Sciences Investors, LLC | Insider | Buy | 4.1M | $0 |
| 2026-04-20 | Bain Capital XIV General Partner, LLC | Insider | Buy | 17.9M | $0 |
| 2026-04-20 | BCLS Fund IV Investments GP, LLC | Insider | Buy | 4.1M | $0 |
| 2026-04-20 | Koppel Adam | Director | Buy | 4.1M | $0 |
| 2026-04-20 | Bain Capital Life Sciences Fund IV, L.P. | Insider | Buy | 4.1M | $0 |
| 2026-04-20 | Bain Capital Fund XIV, L.P. | Insider | Buy | 8.4M | $134.4M |
| 2026-04-20 | BCLS Fund IV Investments, L.P. | Insider | Buy | 4.1M | $0 |
Source: SEC Form 4 filings · as of 2026-04-22
