Are insiders buying KLRA stock?

Yes — 5 distinct insiders have bought KLRA (Kailera Therapeutics, Inc.) on the open market, including 1 cluster buy where two or more insiders bought within a rolling window. The most recent qualifying activity was Apr 22, 2026.

How much KLRA stock have insiders bought?

Insiders have bought a combined $326.8M of KLRA across 5 open-market purchases, based on SEC Form 4 filings.

What is an insider cluster buy in KLRA?

A cluster buy is two or more distinct Kailera Therapeutics, Inc. insiders — officers, directors, or 10% owners — each buying KLRA on the open market within a rolling window. KLRA has 1 detected cluster buy to date.

Where does this KLRA insider trading data come from?

Every figure is parsed directly from SEC Form 4 filings on EDGAR, and each purchase on this page links back to its original filing document.

KLRA insider buying

1 cluster buy

Kailera Therapeutics, Inc. · Healthcare

When two or more insiders at Kailera Therapeutics, Inc. buy KLRA on the open market around the same time, that clustered conviction is one of the highest-signal patterns in SEC filing data. Below is every cluster we've detected in KLRA plus the full record of qualifying open-market buys, each parsed directly from Form 4 filings and linked back to the source on SEC EDGAR.

Clusters

Distinct insiders

Total bought

$326.8M

Market cap

$3.0B

Detected clusters

Apr 20 – Apr 20, 2026
Detected Apr 20, 2026
5 insiders
Total bought
$326.8M
Market cap
$3.0B

All notable open-market buys in KLRA

Every open-market Form 4 purchase, newest first. Click an insider to see their full buying record across companies.

Date	Insider	Shares	Price	Value	Filing
Apr 20, 2026	BAIN CAPITAL INVESTORS LLCcluster 10% Owner	8,398,438	$16.00	$134.4M	SEC ↗
Apr 20, 2026	Kaplan Andrew T.cluster Director, 10% Owner	8,398,438	$16.00	$134.4M	SEC ↗
Apr 20, 2026	Bain Capital Life Sciences Investors, LLCcluster 10% Owner	1,562,500	$16.00	$25.0M	SEC ↗
Apr 20, 2026	Koppel Adamcluster Director, 10% Owner	1,562,500	$16.00	$25.0M	SEC ↗
Apr 20, 2026	RTW INVESTMENTS, LPcluster 10% Owner	500,000	$16.00	$8.0M	SEC ↗

More Healthcare stocks with insider cluster buys

All insider buying in Healthcare →

KLRA insider buying — FAQ

Are insiders buying KLRA stock?: Yes — 5 distinct insiders have bought KLRA (Kailera Therapeutics, Inc.) on the open market, including 1 cluster buy where two or more insiders bought within a rolling window. The most recent qualifying activity was Apr 22, 2026.
How much KLRA stock have insiders bought?: Insiders have bought a combined $326.8M of KLRA across 5 open-market purchases, based on SEC Form 4 filings.
What is an insider cluster buy in KLRA?: A cluster buy is two or more distinct Kailera Therapeutics, Inc. insiders — officers, directors, or 10% owners — each buying KLRA on the open market within a rolling window. KLRA has 1 detected cluster buy to date.
Where does this KLRA insider trading data come from?: Every figure is parsed directly from SEC Form 4 filings on EDGAR, and each purchase on this page links back to its original filing document.

How we track insider buying in KLRA

We continuously poll SEC EDGAR for new Form 4 filings and parse every open-market purchase (transaction code P). A cluster is recorded when two or more distinct insiders — officers, directors, or 10% owners — each buy KLRA within a rolling window. We track clusters at every company size, from micro-caps to mega-caps. Every figure on this page traces back to an official filing; open any row to jump straight to the source document. What counts as a cluster buy?

This page is informational and reflects public filing data. It is not investment advice or a recommendation regarding KLRA.