Top insider buys: Jun 8 – Jun 14, 2026

The largest open-market purchases company insiders reported on SEC Form 4 between Jun 8 – Jun 14, 2026.

Week 24, 2026

#CompanyWho boughtSharesValueSource
1SMMT

Summit Therapeutics Inc.

2 officers/directors

Cluster buy

Zanganeh Mahkam, DUGGAN ROBERT W

7,620,000

$100.0M

SEC filings
2RYAN

RYAN SPECIALTY HOLDINGS, INC.

2 officers/directors

Cluster buy

ROGERS JOHN W JR, RYAN PATRICK G

127,500

$4.2M

SEC filings
3PICS

PicS N.V.

3 officers/directors

Cluster buy

Augusto Cazotto Andre, Batista Costa Jose Antonio, Pruett William Rodney

178,763

$1.7M

SEC filings
4INR

INFINITY NATURAL RESOURCES, INC.

3 officers/directors

Cluster buy

GRAY STEVEN D, Poole David P, Quinn William J

80,500

$1.1M

SEC filings
5SVRE

SaverOne 2014 Ltd.

Director

VisionWave Holdings, Inc.

1,710,302,400

$6841.2M

SEC filings
6HOOD

Robinhood Markets, Inc.

Director

Malka Meyer

250,000

$20.2M

SEC filings
7FBIN

Fortune Brands Innovations, Inc.

Director

GARDEN EDWARD P

320,067

$13.0M

SEC filings
8WGS

GeneDx Holdings Corp.

Director

Casdin Capital, LLC

200,000

$11.1M

SEC filings
9ARTV

Artiva Biotherapeutics, Inc.

Director

RA CAPITAL MANAGEMENT, L.P.

1,027,722

$7.7M

SEC filings
10STEP

StepStone Group Inc.

Head of Strategy

McCabe Michael I

120,000

$5.0M

SEC filings

Source: SEC Form 4 filings, aggregated per company over the week. Open-market purchases of $100K or more only; grants, awards, option exercises and likely IPO or offering allocations are excluded. Cluster buys (two or more officers or directors buying) rank first, then by dollar value.

Not investment advice. This page reports public SEC data and is not a recommendation to buy or sell any security.