Companies / Kailera Therapeutics, Inc.
Kailera Therapeutics, Inc.
Nasdaq: KLRACIK 2096997WALTHAM, MA
Ownership
129.6M shares outstanding · as of Aug 6, 2026
Ownership
| Insiders | 0.03% | 38,094 |
| 10%+ / strategic | 20.25% | 26,255,581 |
| Institutions | 3.09% | 4,008,165 |
| Public float | 76.63% | 99,341,836 |
% of common shares outstanding (exact, from the latest cover-page filing). Institutions are quarterly 13F snapshots; insiders reflect current officers & directors.
Insiders 9
View all →| Insider | % of shares | Shares |
|---|---|---|
Bain Capital Investors LLC10% owner | 20.25% | 26,255,581 |
Renaud Ronald C JRCEOCEO & President · Director | 0.03% | 38,094 |
Bain Capital Fund XIV, L.P.10% owner | — | — |
| — | — | |
BCPE Perseus Investor GP, LLC10% owner | — | — |
BCPE Perseus Investor, LP10% owner | — | — |
| — | — | |
| — | — | |
Milligan John FDirector | — | — |
Institutional holders 6
View all →| Holder | Value | % of shares |
|---|---|---|
| $86.55M | 3.03% | |
| $1.01M | 0.04% | |
| $423.0K | 0.01% | |
| $227.0K | <0.01% | |
| $58.2K | <0.01% | |
| $38.9K | <0.01% |
Activity
InsidersInstitutions
What insiders are doing in this stock (Form 4).| Date | Actor | Action | Security | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|---|
| Apr 20, 2026 | Bain Capital Investors LLC 10% owner | Buy | Common Stock | $134.38M | +8.4M +47.03% | 26,255,581 20.25% of shares | high |
| Jun 9, 2026 | Renaud Ronald C JR CEO | Exercise | Common Stock | $200.0K | +38K | 38,094 0.03% of shares | low |
| Jun 9, 2026 | Renaud Ronald C JR CEO | Exercise | Stock Option (right to buy) | — | -38K -4.45% | 817,826 0.63% of shares | low |
| Apr 16, 2026 | Renaud Ronald C JR CEO | Grant | Stock Option (right to buy) | — | +300K | 300,000 0.23% of shares | low |
| Apr 16, 2026 | Renaud Ronald C JR CEO | Grant | Stock Option (right to buy) | — | +300K | 300,000 0.23% of shares | low |
| Apr 16, 2026 | Milligan John F Director | Grant | Stock Option (right to buy) | — | +38K | 38,300 0.03% of shares | low |
| Apr 20, 2026 | Bain Capital Investors LLC 10% owner | Other | Series B Preferred Stock | — | -17.9M -100.00% | 0 0.00% of shares | low |
| Apr 20, 2026 | Bain Capital Investors LLC 10% owner | Other | Common Stock | — | +17.9M | 17,857,143 13.77% of shares | low |
Securities
via CUSIP / OpenFIGI
| Symbol | Type | CUSIP |
|---|---|---|
| KLRA | Common Stock | 482931102 |