Top insider buys: Oct 13 – Oct 19, 2025

The largest open-market purchases company insiders reported on SEC Form 4 between Oct 13 – Oct 19, 2025.

Week 42, 2025

#CompanyWho boughtSharesValueSource
1ZBIO

Zenas BioPharma, Inc.

2 officers/directors

Cluster buy

Nunn Jason Raleigh, SR ONE CAPITAL MANAGEMENT, LLC, ENRIGHT PATRICK G

180,413

$3.5M

+$2.4M by large holders

SEC filings
2HEI, HEI.A

HEICO CORP

8 officers/directors

Cluster buy

HENRIQUES ADOLFO, SCHRIESHEIM ALAN, MENDELSON ERIC A, Neitzel Julie, CULLIGAN THOMAS M, MENDELSON VICTOR H, Fine Carol F., Hildebrandt Mark H

5,400

$1.3M

SEC filings
3REFI

Chicago Atlantic Real Estate Finance, Inc.

3 officers/directors

Cluster buy

Papastavrou Jason D, Sack Peter, Mazarakis John

34,150

$431K

SEC filings
4KYN

Kayne Anderson Energy Infrastructure Fund, Inc.

10% Owner

MetLife Investment Management, LLC

25,000,000

$325000000.0M

SEC filings
5HYMC

HYCROFT MINING HOLDING CORP

10% Owner

Sprott Eric

7,690,000

$50.0M

SEC filings
6SOC

Sable Offshore Corp.

10% Owner

Pilgrim Global ICAV

982,645

$14.8M

SEC filings
7GRND

Grindr Inc.

Director

Zage George Raymond III

1,000,000

$13.2M

SEC filings
8ASA

ASA Gold & Precious Metals Ltd

10% Owner

Saba Capital Management, L.P.

120,266

$5.8M

SEC filings
9VANI

Vivani Medical, Inc.

Director

Williams Gregg

1,737,764

$2.0M

SEC filings
10YYAI

AIRWA INC.

10% Owner

Belfiore Michael Anthony

3,213,095

$1.0M

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.