Are insiders buying MTSR stock?

Yes — 3 distinct insiders have bought MTSR (Metsera, 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 Feb 3, 2025.

How much MTSR stock have insiders bought?

Insiders have bought a combined $94.2M of MTSR across 5 open-market purchases, based on SEC Form 4 filings.

What is an insider cluster buy in MTSR?

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

Where does this MTSR 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.

MTSR insider buying

1 cluster buy

Metsera, Inc. · Healthcare

When two or more insiders at Metsera, Inc. buy MTSR 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 MTSR 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

$94.2M

Market cap

$7.4B

Detected clusters

Feb 3 – Feb 3, 2025
Detected Feb 3, 2025
3 insiders
Total bought
$94.2M
Market cap
$7.4B

All notable open-market buys in MTSR

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
Feb 3, 2025	GILLIS STEVENcluster 10% Owner	1,432,224	$18.00	$25.8M	SEC ↗
Feb 3, 2025	Burow Kristinacluster Director, 10% Owner	1,432,224	$18.00	$25.8M	SEC ↗
Feb 3, 2025	GILLIS STEVENcluster 10% Owner	789,998	$18.00	$14.2M	SEC ↗
Feb 3, 2025	Burow Kristinacluster Director, 10% Owner	789,998	$18.00	$14.2M	SEC ↗
Feb 3, 2025	BERNS PAUL Lcluster Director	789,998	$18.00	$14.2M	SEC ↗

More Healthcare stocks with insider cluster buys

All insider buying in Healthcare →

MTSR insider buying — FAQ

Are insiders buying MTSR stock?: Yes — 3 distinct insiders have bought MTSR (Metsera, 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 Feb 3, 2025.
How much MTSR stock have insiders bought?: Insiders have bought a combined $94.2M of MTSR across 5 open-market purchases, based on SEC Form 4 filings.
What is an insider cluster buy in MTSR?: A cluster buy is two or more distinct Metsera, Inc. insiders — officers, directors, or 10% owners — each buying MTSR on the open market within a rolling window. MTSR has 1 detected cluster buy to date.
Where does this MTSR 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 MTSR

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 MTSR 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 MTSR.