MIAMI INTERNATIONAL HOLDINGS, INC.

PublicCIK: 1438472

MIAXNYSE

Location

PRINCETON, NJ

COMLY BARBARA J.

→MIAMI INTERNATIONAL HOLDINGS, INC.

Oct 26, 2026·1d ago

3 txn

SCHAFER DOUGLAS M. JR

→MIAMI INTERNATIONAL HOLDINGS, INC.

Oct 26, 2026·2d ago

3 txn

SCHAFER DOUGLAS M. JR

→MIAMI INTERNATIONAL HOLDINGS, INC.

Oct 6, 2026·Oct 6, 2026

3 txn

SCHAFER DOUGLAS M. JR

144

→MIAMI INTERNATIONAL HOLDINGS, INC.

Oct 2, 2026·Oct 2, 2026

-3

JAYABALAN HARISH

→MIAMI INTERNATIONAL HOLDINGS, INC.

Sep 29, 2026·Sep 29, 2026

2 txn

HORIZON KINETICS ASSET MANAGEMENT LLC

→RENN FUND, INC.

Sep 29, 2026·Sep 29, 2026

1 txn

HORIZON KINETICS ASSET MANAGEMENT LLC

→RENN FUND, INC.

Sep 28, 2026·Sep 28, 2026

1 txn

HORIZON KINETICS ASSET MANAGEMENT LLC

→RENN FUND, INC.

Sep 25, 2026·Sep 25, 2026

1 txn

HORIZON KINETICS ASSET MANAGEMENT LLC

→RENN FUND, INC.

Sep 24, 2026·Sep 24, 2026

1 txn

HORIZON KINETICS ASSET MANAGEMENT LLC

→RENN FUND, INC.

Sep 23, 2026·Sep 23, 2026

1 txn

HORIZON KINETICS ASSET MANAGEMENT LLC

→RENN FUND, INC.

Sep 22, 2026·Sep 22, 2026

1 txn

HORIZON KINETICS ASSET MANAGEMENT LLC

→RENN FUND, INC.

Sep 21, 2026·Sep 21, 2026

1 txn

HORIZON KINETICS ASSET MANAGEMENT LLC

→RENN FUND, INC.

Sep 18, 2026·Sep 18, 2026

1 txn

BROWN SHELLY

→MIAMI INTERNATIONAL HOLDINGS, INC.

Sep 17, 2026·Sep 17, 2026

1 txn

HORIZON KINETICS ASSET MANAGEMENT LLC

→RENN FUND, INC.

Sep 17, 2026·Sep 17, 2026

1 txn

HORIZON KINETICS ASSET MANAGEMENT LLC

→RENN FUND, INC.

Sep 16, 2026·Sep 16, 2026

1 txn

BROWN SHELLY

144

→MIAMI INTERNATIONAL HOLDINGS, INC.

Sep 16, 2026·Sep 16, 2026

-2

HORIZON KINETICS ASSET MANAGEMENT LLC

→RENN FUND, INC.

Sep 15, 2026·Sep 15, 2026

1 txn

HORIZON KINETICS ASSET MANAGEMENT LLC

→RENN FUND, INC.

Sep 14, 2026·Sep 14, 2026

1 txn

SITES ERIC

→NOCOPI TECHNOLOGIES INC/MD/

Sep 11, 2026·Sep 11, 2026

2 txn

BROWN SHELLY

→MIAMI INTERNATIONAL HOLDINGS, INC.

Sep 11, 2026·Sep 11, 2026

1 txn

HORIZON KINETICS ASSET MANAGEMENT LLC

→RENN FUND, INC.

Sep 11, 2026·Sep 11, 2026

1 txn

HORIZON KINETICS ASSET MANAGEMENT LLC

→RENN FUND, INC.

Sep 10, 2026·Sep 10, 2026

2 txn

SITES ERIC

→NOCOPI TECHNOLOGIES INC/MD/

Sep 10, 2026·Sep 10, 2026

1 txn

HORIZON KINETICS ASSET MANAGEMENT LLC

→RENN FUND, INC.

Sep 8, 2026·Sep 8, 2026

1 txn

Page 1 of 78 · 1,932 total

Filer	Form	Target	Filed	Activity
COMLY BARBARA J.CIK · 2080878	4 Trade	MIAMI INTERNATIONAL HOLDINGS, INC.CIK · 1438472	Oct 26, 2026 1d ago	3txn
SCHAFER DOUGLAS M. JRCIK · 2079445	4 Trade	MIAMI INTERNATIONAL HOLDINGS, INC.CIK · 1438472	Oct 26, 2026 2d ago	3txn
SCHAFER DOUGLAS M. JRCIK · 2079445	4 Trade	MIAMI INTERNATIONAL HOLDINGS, INC.CIK · 1438472	Oct 6, 2026 Oct 6, 2026	3txn
SCHAFER DOUGLAS M. JRCIK · 2079445	144 Sale	MIAMI INTERNATIONAL HOLDINGS, INC.CIK · 1438472	Oct 2, 2026 Oct 2, 2026	—
JAYABALAN HARISHCIK · 2080538	4 Trade	MIAMI INTERNATIONAL HOLDINGS, INC.CIK · 1438472	Sep 29, 2026 Sep 29, 2026	2txn
HORIZON KINETICS ASSET MANAGEMENT LLCCIK · 1056823	4 Trade	RENN FUND, INC.CIK · 919567	Sep 29, 2026 Sep 29, 2026	1txn
HORIZON KINETICS ASSET MANAGEMENT LLCCIK · 1056823	4 Trade	RENN FUND, INC.CIK · 919567	Sep 28, 2026 Sep 28, 2026	1txn
HORIZON KINETICS ASSET MANAGEMENT LLCCIK · 1056823	4 Trade	RENN FUND, INC.CIK · 919567	Sep 25, 2026 Sep 25, 2026	1txn
HORIZON KINETICS ASSET MANAGEMENT LLCCIK · 1056823	4 Trade	RENN FUND, INC.CIK · 919567	Sep 24, 2026 Sep 24, 2026	1txn
HORIZON KINETICS ASSET MANAGEMENT LLCCIK · 1056823	4 Trade	RENN FUND, INC.CIK · 919567	Sep 23, 2026 Sep 23, 2026	1txn
HORIZON KINETICS ASSET MANAGEMENT LLCCIK · 1056823	4 Trade	RENN FUND, INC.CIK · 919567	Sep 22, 2026 Sep 22, 2026	1txn
HORIZON KINETICS ASSET MANAGEMENT LLCCIK · 1056823	4 Trade	RENN FUND, INC.CIK · 919567	Sep 21, 2026 Sep 21, 2026	1txn
HORIZON KINETICS ASSET MANAGEMENT LLCCIK · 1056823	4 Trade	RENN FUND, INC.CIK · 919567	Sep 18, 2026 Sep 18, 2026	1txn
BROWN SHELLYCIK · 2080506	4 Trade	MIAMI INTERNATIONAL HOLDINGS, INC.CIK · 1438472	Sep 17, 2026 Sep 17, 2026	1txn
HORIZON KINETICS ASSET MANAGEMENT LLCCIK · 1056823	4 Trade	RENN FUND, INC.CIK · 919567	Sep 17, 2026 Sep 17, 2026	1txn
HORIZON KINETICS ASSET MANAGEMENT LLCCIK · 1056823	4 Trade	RENN FUND, INC.CIK · 919567	Sep 16, 2026 Sep 16, 2026	1txn
BROWN SHELLYCIK · 2080506	144 Sale	MIAMI INTERNATIONAL HOLDINGS, INC.CIK · 1438472	Sep 16, 2026 Sep 16, 2026	—
HORIZON KINETICS ASSET MANAGEMENT LLCCIK · 1056823	4 Trade	RENN FUND, INC.CIK · 919567	Sep 15, 2026 Sep 15, 2026	1txn
HORIZON KINETICS ASSET MANAGEMENT LLCCIK · 1056823	4 Trade	RENN FUND, INC.CIK · 919567	Sep 14, 2026 Sep 14, 2026	1txn
SITES ERICCIK · 1769842	4 Trade	NOCOPI TECHNOLOGIES INC/MD/CIK · 888981	Sep 11, 2026 Sep 11, 2026	2txn
BROWN SHELLYCIK · 2080506	4 Trade	MIAMI INTERNATIONAL HOLDINGS, INC.CIK · 1438472	Sep 11, 2026 Sep 11, 2026	1txn
HORIZON KINETICS ASSET MANAGEMENT LLCCIK · 1056823	4 Trade	RENN FUND, INC.CIK · 919567	Sep 11, 2026 Sep 11, 2026	1txn
HORIZON KINETICS ASSET MANAGEMENT LLCCIK · 1056823	4 Trade	RENN FUND, INC.CIK · 919567	Sep 10, 2026 Sep 10, 2026	2txn
SITES ERICCIK · 1769842	4 Trade	NOCOPI TECHNOLOGIES INC/MD/CIK · 888981	Sep 10, 2026 Sep 10, 2026	1txn
HORIZON KINETICS ASSET MANAGEMENT LLCCIK · 1056823	4 Trade	RENN FUND, INC.CIK · 919567	Sep 8, 2026 Sep 8, 2026	1txn

Page 1 of 78 · 1,932 total