KLRA Kailera Therapeutics (KLRA) Insider Trading, Ownership & Congress Trades
Pharma & Biotech · Pharmaceutical preparations · CIK 0002096997
SEC filings
Insider buyers, 180 days
0
House members buying, 1 year
0
STOCK Act, US House only, disclosed up to 45 days after the trade
Funds added, last quarter
102
13F, latest reported quarter
Conversions, 180 days
1
Codes C/M, not in net · $200.0K priced
KLRA filings, in plain words
Read the full summary
The latest 5% ownership filing is a 13D by BCLS Fund IV Investments, L.P., filed 2026-04-23, for 17.4% of the class. Each figure is counted from SEC and House filings as of 2026-10-28, dated the day the filing was made public.
Kailera Therapeutics insider trades (Form 4)
Form 4 buys and sells (codes P and S). Grants, option exercises
and conversions excluded.
No insider purchases or sales are on record for Kailera Therapeutics, Inc. in the period covered. Source: SEC Form 4 filings, as of 2026-10-28.
Insider
Filed
Shares
Value
Since filing
Context
- First Form 4 purchase or sale (code P or S) here by this insider on our record.
- The trade is 4.6% of the 10,776,820 shares held after it.
- 4 other insiders bought within 30 days.
- 102 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Insider RTW INVESTMENTS, LP bought about $8.0M of KLRA on Apr 20, 2026, the largest insider purchase at the company on our record; 4 other insiders bought within 30 days and 102 funds added in the latest 13F quarter.Context
- First Form 4 purchase or sale (code P or S) here by this insider on our record.
- The trade is 32.0% of the 26,255,581 shares held after it.
- 4 other insiders bought within 30 days.
- 102 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Insider BCPE Perseus Investor, LP bought about $134.4M of KLRA on Apr 20, 2026, the largest insider purchase at the company on our record; 4 other insiders bought within 30 days and 102 funds added in the latest 13F quarter.Context
- First Form 4 purchase or sale (code P or S) here by this insider on our record.
- The trade is 6.9% of the 22,583,268 shares held after it.
- 4 other insiders bought within 30 days.
- 102 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Director Koppel Adam bought about $25.0M of KLRA on Apr 20, 2026, the largest insider purchase at the company on our record; 4 other insiders bought within 30 days and 102 funds added in the latest 13F quarter.Context
- First Form 4 purchase or sale (code P or S) here by this insider on our record.
- The trade is 6.9% of the 22,583,268 shares held after it.
- 4 other insiders bought within 30 days.
- 102 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Insider BCLS Fund IV Investments GP, LLC bought about $25.0M of KLRA on Apr 20, 2026, the largest insider purchase at the company on our record; 4 other insiders bought within 30 days and 102 funds added in the latest 13F quarter.Context
- First Form 4 purchase or sale (code P or S) here by this insider on our record.
- The trade is 32.0% of the 26,255,581 shares held after it.
- 4 other insiders bought within 30 days.
- 102 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Director Kaplan Andrew T. bought about $134.4M of KLRA on Apr 20, 2026, the largest insider purchase at the company on our record; 4 other insiders bought within 30 days and 102 funds added in the latest 13F quarter.5 transactions on record · a thin record, read with care
Since filing: total return from the first close after the filing to the latest close, dividend-adjusted. Not a forecast.
Context lines are counts over the filings above and returns from our own price history, never a price level. Not investment advice.
Seven facts, ranked against the sector ·
Rank is not a forecast
Insiders
no insider buys or sells on file
Congress
no House purchase disclosed in the last 12 months
Funds
102 funds bought in last quarter
more than 69% of Pharma & Biotech
Revenue
no revenue reported in any filing
Margin
no margin: no revenue reported
Buybacks
no share repurchases reported
Short interest
14.2% of the float short (float per yahoo 2026-10-27) · 5.7 days to cover · settled 2026-10-15
more than 59% of Pharma & Biotech
What changed in the last 30 days
Nothing new filed in the last 30 days
Watch KLRA
A free account keeps a watchlist and can send one email a day when insiders, funds or Congress file on the names in it. No password and no card.
The year, with the filings on it
Total return over 12 months. Each marker is a filing; hover or tap one for the detail.
-50.9%12M
Insider buy13D/G stake
Indexed to 100, dividend-adjusted, not a price chart.
When a name files heavily, the largest trades are drawn first.
Who owns KLRA: institutional holders (13F)
13F holdings, latest reported quarter
26,255,581 sh
$578.4M
22,583,268 sh
$497.5M
10,776,820 sh
$237.4M
7,304,688 sh
$160.9M
5,171,282 sh
$113.9M
Congress trades in KLRA
No Congress trades reported
No House member has disclosed a trade in this stock. See what Congress is buying.
Activist and 5% holders (13D/13G)
13D: intends to influence · 13G: passive
BCLS Fund IV Investments, L.P.
Activist 13D · 2026-04-23
17.43%
BCPE Perseus Investor, LP
Activist 13D · 2026-04-23
20.27%
KLRA planned insider sales (Form 144)
No planned-sale notices
No insider has filed to sell. Watch this after a run-up.
KLRA mutual fund holders (N-PORT)
Funds ranked by the share of their own portfolio in this stock (N-PORT).
Roundhill GLP-1 & Weight Loss ETF
$3.4M position · as of 2026-06-30
6.2%
Eventide Healthcare & Life Sciences Fund
$13.6M position · as of 2026-06-30
0.8%
Lazard US Small Cap Equity Select Portfolio
$261.6K position · as of 2026-06-30
0.7%
Columbia Small Cap Growth Fund
$15.0M position · as of 2026-05-31
0.4%
HARTFORD HEALTHCARE HLS FUND
$426.3K position · as of 2026-06-30
0.4%
Columbia Variable Portfolio - Small Company Growth Fund
$980.8K position · as of 2026-06-30
0.4%
SEC N-PORT, monthly, about 60 days late · funds ≥ $10M ·
% is the share of the fund's own portfolio
Live price
Daily candles from TradingView, under their licence. No filings marked.
Why this name is on the desk
The complete filing record, in one place.
The record shows 102 funds added last quarter. Each figure is a federal filing, dated the day it went public.
KLRA Stock Sonar score 2/7 axes
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