KLRA on Nasdaq

Kailera Therapeutics, Inc.

American pharmaceutical preparations company, incorporated in Delaware. Summary from the record

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Last updated Oct 19, 2026.

Overview

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  • TickerKLRA on Nasdaq1
  • IndustryPharmaceutical Preparations1
  • HeadquartersWaltham, Massachusetts1
  • Incorporated inDE2
  • Business address180 Third Avenue, 4Th Floor, Waltham, Ma 024512
  • Filer categoryNon-accelerated filer, Smaller reporting company, Emerging growth company2

Leadership

Who has led Kailera Therapeutics, Inc., and when. Pick a name to see everywhere that person has worked.

Board members and other officers (14)

Timeline

  1. Apr 16, 2026New chief executive Ronald C. Renaud Jr. becomes CEO3

Filings

62 filings to the SEC since October 2021: 2 quarterly reports, 3 major events, 42 insider forms, 5 large holders, 10 other. The latest 20:

  1. Sep 9, 20264 EDGAR
  2. Sep 9, 20263 EDGAR
  3. Aug 14, 2026SCHEDULE 13G EDGAR
  4. Aug 14, 2026SCHEDULE 13G EDGAR
  5. Aug 12, 202610-Q EDGAR
  6. Aug 12, 20268-K EDGAR
  7. Aug 5, 2026SCHEDULE 13G EDGAR
  8. Jul 8, 20264 EDGAR
  9. Jul 8, 20263 EDGAR
  10. Jun 11, 20264 EDGAR
  11. May 26, 202610-Q EDGAR
  12. May 26, 20268-K EDGAR
  13. Apr 23, 2026SCHEDULE 13D EDGAR
  14. Apr 23, 2026SCHEDULE 13D EDGAR
  15. Apr 22, 20264 EDGAR
  16. Apr 22, 20264 OWNERSHIP DOCUMENT EDGAR
  17. Apr 20, 20264 EDGAR
  18. Apr 20, 20264 EDGAR
  19. Apr 20, 20264 EDGAR
  20. Apr 20, 20264 EDGAR

The 62 filings since October 2021 can be filtered by form type and year here when JavaScript is on.

Every filing from the last five years, summarized. The full record is on SEC EDGAR.

Insider trades

5 open-market trades by officers, directors and large owners since October 2021: 5 buys and 0 sales. Grants, option exercises and gifts are left out.

DateWhoTradeSharesPriceValueFiling
Apr 20, 2026RTW INVESTMENTS, LP10% ownerBuy500,000$16.00$8.0MForm 4
Apr 20, 2026BCPE Perseus Investor, LP10% ownerBuy8,398,438$16.00$134.4MForm 4
Apr 20, 2026Koppel AdamDirectorBuy1,562,500$16.00$25.0MForm 4
Apr 20, 2026BCLS Fund IV Investments GP, LLC10% ownerBuy1,562,500$16.00$25.0MForm 4
Apr 20, 2026Kaplan Andrew T.DirectorBuy8,398,438$16.00$134.4MForm 4

From Forms 4 filed with the SEC.

Major holders

Investors who own more than 5% of the shares must tell the SEC: a 13D if they may seek to influence the company, a 13G if they hold passively.

Held by these funds

The largest holders among investment managers' 13F reports for the quarter ending Jun 30, 2026, the top 25 of 99. Change is in shares since the quarter before.

FundSharesValueShare of the fundChange
Bain Capital Investors LLC26,255,581$578.4M12.0%New
Bain Capital Life Sciences Investors, LLC22,583,268$497.5M29.6%New
Rtw Investments, LP10,776,820$237.4M2.0%New
Canada Pension Plan Investment Board7,304,688$160.9M0.1%New
Atlas Venture Life Science Advisors, LLC5,171,282$113.9M12.9%New
Fmr LLC3,970,865$87.5M0.0%New
BlackRock, Inc.3,928,604$86.5M0.0%New
Citadel Advisors LLC3,240,787$71.4M0.0%New
Adage Capital Partners Gp, L.l.c.3,208,286$70.7M0.1%New
Wellington Management Group Llp2,919,110$64.3M0.0%New
Royalty Pharma Sub-Manager, LLC2,455,357$54.1M22.4%New
Siren, L.L.C.2,214,286$48.8M1.0%New
Vanguard Capital Management LLC1,693,958$37.3M0.0%New
Vanguard Portfolio Management LLC1,652,507$36.4M0.0%New
Geode Capital Management, LLC1,133,115$25.0M0.0%New
Farallon Capital Management, L.l.c.1,100,000$24.2M0.1%New
Frazier Life Sciences Management, L.P.1,100,000$24.2M0.5%New
Trails Edge Capital Partners, LP984,786$21.7M3.4%New
UBS Group AG972,683$21.4M0.0%New
Jupiter Topco LLC970,857$21.3M0.0%New
Ameriprise Financial Inc821,331$18.1M0.0%New
Deep Track Capital, LP700,000$15.4M0.2%New
Eventide Asset Management, LLC616,720$13.6M0.2%New
Vestal Point Capital, LP575,000$12.7M0.3%New
Cormorant Asset Management, LP550,000$12.1M0.6%New

13F reports cover disclosed long positions in U.S. stocks only.