Are insiders buying CRSP stock?

Yes — 4 distinct insiders have bought CRSP (CRISPR Therapeutics AG) on the open market, including 2 cluster buys where two or more insiders bought within a rolling window. The most recent qualifying activity was Jan 27, 2026.

How much CRSP stock have insiders bought?

Insiders have bought a combined $53.0M of CRSP across 6 open-market purchases, based on SEC Form 4 filings.

What is an insider cluster buy in CRSP?

A cluster buy is two or more distinct CRISPR Therapeutics AG insiders — officers, directors, or 10% owners — each buying CRSP on the open market within a rolling window. CRSP has 2 detected cluster buys to date.

Where does this CRSP 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.

CRSP insider buying

2 cluster buys

CRISPR Therapeutics AG · Healthcare

When two or more insiders at CRISPR Therapeutics AG buy CRSP in a qualifying detection window, the grouped purchases provide a starting point for further research. Below is every cluster we've detected in CRSP 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

$53.0M

Market cap

$6.0B

Detected clusters

Jul 16 – Aug 6, 2025
Detected Aug 6, 2025
2 insiders
Total bought
$52.6M
Market cap
$6.0B
Feb 26 – Apr 3, 2025
Detected Apr 3, 2025
Executive buyer2 insiders
Total bought
$363.7K
Market cap
$6.0B

All notable open-market buys in CRSP

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
Aug 6, 2025	Treco Douglas Acluster Director	20,000	$57.03	$1.1M	SEC ↗
Jul 16, 2025	George Simeoncluster Director	960,983	$52.03	$50.0M	SEC ↗
Jul 16, 2025	George Simeoncluster Director	22,319	$52.03	$1.2M	SEC ↗
Jul 16, 2025	George Simeoncluster Director	6,510	$52.03	$338.7K	SEC ↗
Apr 3, 2025	Patel Naimishcluster Chief Medical Officer	1,508	$32.96	$49.7K	SEC ↗
Feb 26, 2025	Greene Johncluster Director	7,000	$44.85	$314.0K	SEC ↗

More Healthcare stocks with insider cluster buys

All insider buying in Healthcare →

CRSP insider buying — FAQ

Are insiders buying CRSP stock?: Yes — 4 distinct insiders have bought CRSP (CRISPR Therapeutics AG) on the open market, including 2 cluster buys where two or more insiders bought within a rolling window. The most recent qualifying activity was Jan 27, 2026.
How much CRSP stock have insiders bought?: Insiders have bought a combined $53.0M of CRSP across 6 open-market purchases, based on SEC Form 4 filings.
What is an insider cluster buy in CRSP?: A cluster buy is two or more distinct CRISPR Therapeutics AG insiders — officers, directors, or 10% owners — each buying CRSP on the open market within a rolling window. CRSP has 2 detected cluster buys to date.
Where does this CRSP 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 CRSP

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 CRSP within a rolling window. We track clusters at every company size, from micro-caps to mega-caps. Transactions link to official filings; prices and market capitalizations may be cached market data. Read our methodology and data limits before interpreting the figures. What counts as a cluster buy?

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