Russell C. Horowitz

CIK: 0001054568

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)3 (100.0%)

Compensation grants

Other (G, F, J, C, D, …)0 (0.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

MCHX

MARCHEX INC

DirectorOfficer10% Owner

Discretionary Trading P&L

Holdings

Transaction History (3 total)

MCHX
MARCHEX INC
Jul 1, 2026
Award(A)
6.0% Convertible Debt (due 2028)
Direct
0 shares at avg. $4864865.00-
MCHX
MARCHEX INC
Dec 16, 2025
Award(A)
Employee Stock Option (right to buy)
Direct
50K shares-
MCHX
MARCHEX INC
Nov 6, 2024
Award(A)
Employee Stock Option (right to buy)
Direct
50K shares-

		Type	Shares	Price		Ownership
Jul 1, 2026	MCHX MARCHEX INC	Award(A) 6.0% Convertible Debt (due 2028)	0	$4864865.00	-	Direct
Dec 16, 2025	MCHX MARCHEX INC	Award(A) Employee Stock Option (right to buy)	50,000	-	-	Direct
Nov 6, 2024	MCHX MARCHEX INC	Award(A) Employee Stock Option (right to buy)	50,000	-	-	Direct

1-3 of 3 transactions

About HOROWITZ RUSSELL C

HOROWITZ RUSSELL C (SEC CIK 0001054568) files insider reports with the SEC as Chairman of MARCHEX INC (MCHX).

Signal8 holds 3 ownership filings by HOROWITZ RUSSELL C, all Form 4s, filed between Nov 7, 2024 and Jul 1, 2026. Those filings report 3 transactions, from Nov 6, 2024 to Jul 1, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on HOROWITZ RUSSELL C's filings is in SEATTLE, WA.

Recent filings by HOROWITZ RUSSELL C

Jul 1, 2026: Grant or award of MCHX derivative securities (Form 4, code A).
Dec 16, 2025: Grant or award of MCHX derivative securities (Form 4, code A).
Nov 6, 2024: Grant or award of MCHX derivative securities (Form 4, code A).

Other insiders filing for MARCHEX INC (MCHX)

ARENDS MICHAEL A, Vice Chairman
HARTLESS TROY, President & Chief Rev Officer
Nagle Brian, Chief Financial Officer
Feeney Francis J, Chief Operating Officer & CLO
Wisehart Manuel W, Director
CLINE DENNIS, Director

How to read Form 4 transaction codes