$ Value
—
Shares
8,250,000
Price
—
Filed
Apr 22
Insider
Name
RTW INVESTMENTS, LP
Title
—
CIK
0001493215
Roles
Transaction Details
Transaction Date
2026-04-20
Code
C
Table
Derivative
Ownership
Indirect
Equity Swap
No
Shares After
—
Footnotes
Each share of Series A Preferred Stock and Series B Preferred Stock automatically converted into shares of Common Stock immediately prior to the closing of the Issuer's initial public offering for no additional consideration on a 1-for-1 basis and had no expiration date. | Held by certain affiliated funds managed by RTW Investments, LP ("RTW"). Roderick Wong, M.D. serves as the Managing Partner and Chief Investment Officer of RTW. The Reporting Persons disclaim beneficial ownership of the reported securities for purposes of Section 16 under the Securities Exchange Act of 1934, as amended, except to the extent of their pecuniary interest therein.
Filing Info
RTW INVESTMENTS, LP's History
| Date | Ticker | Type | Value |
|---|---|---|---|
| 2026-04-20 | KLRA | C | — |
| 2026-04-20 | KLRA | ▲ | $8.0M |
| 2026-04-20 | KLRA | C | — |
| 2026-04-20 | KLRA | C | — |
| 2025-08-04 | OBIO | ▲ | $10.0M ★ |
| 2025-04-30 | OBIO | ▲ | $149K |
| 2025-04-29 | OBIO | ▲ | $126K |
Other Insiders at KLRA (90d)
| Insider | Bought | Sold | Last |
|---|---|---|---|
| Kaplan Andrew T. / BAIN CAPITAL INVESTORS LLC | $134.4M | — | 2026-04-20 |
| Bain Capital Life Sciences Investors, LLC / Koppel Adam | $25.0M | — | 2026-04-20 |
| RTW INVESTMENTS, LP | $8.0M | — | 2026-04-20 |
| BAIN CAPITAL INVESTORS LLC | — | — | 2026-04-20 |
| MILLIGAN JOHN F | — | — | 2026-04-16 |
|
Renaud Ronald C JR
CEO & President
|
— | — | 2026-04-16 |
| MACKAY MARTIN | — | — | 2026-04-16 |
| Koppel Adam | — | — | 2026-04-20 |
|
Pagan Douglas W.
Chief Financial Officer
|
— | — | 2026-04-16 |
| Bain Capital Life Sciences Investors, LLC | — | — | 2026-04-20 |
|
Burgess Paul D.
See Remarks
|
— | — | 2026-04-16 |
|
Cloghessy Paula
Chief People Officer
|
— | — | 2026-04-16 |
| Kaplan Andrew T. | — | — | 2026-04-20 |
| Clyburn Frank | — | — | 2026-04-16 |
| Hite Christopher | — | — | 2026-04-16 |
|
Akamine Scott
Chief Legal Officer
|
— | — | 2026-04-16 |
| Jiangsu Hengrui Pharmaceuticals Co., Ltd. | — | — | 2026-04-20 |
|
Coleman Jamie Beth
Chief Commercial Officer
|
— | — | 2026-04-16 |
|
Wasserman Scott M.
Chief Medical Officer
|
— | — | 2026-04-16 |