Comparable stake leader
Edenbrook Capital, LLC
SEC ownership of MARCHEX INC
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001224133.
Disclosed value leader
Edenbrook Capital, LLC
Comparable rows
0/40
Latest evidence
31 Mar 2026
- Public ticker
- MCHX on Nasdaq
- Parsed ownership sources
-
13F and 3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
Edenbrook Capital, LLC
Ranking: Comparable ownership first, then disclosed value
- Latest parsed ownership date
-
31 Mar 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001224133
- Issuer location
- Seattle, WA
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
1 signal
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of MARCHEX INC (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Edenbrook Capital, LLC
Disclosed value leader
Edenbrook Capital, LLC
Comparable rows
0/40
Latest evidence
31 Mar 2026
13F
3/4/5
Highest disclosed value: $22,729,789
40 rows are not safely comparable across share classes.
Showing 1-8 of 40 holder rows.
Quick read
Edenbrook Capital, LLC has the largest disclosed position value at $22.73M.
0 of 40 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Edenbrook Capital, LLC's linked filing trail.
Disclosed position value
Top 5
Edenbrook Capital, LLC
$22.73M
RENAISSANCE TECHNOLOGIES LLC
$2.49M
Kanen Wealth Management LLC
$2.02M
VANGUARD CAPITAL MANAGEMENT LLC
$1.68M
BlackRock, Inc.
$992K
Value bars compare disclosed positions; verify each figure against the linked filing evidence.
Detailed SEC evidence table Showing 1-8 of 40 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Edenbrook Capital, LLC |
13F
3/4/5
Company · 10%+ Owner
|
—
class O/S missing
|
$22,729,789
14,664,380 shares
|
— | 31 Mar 2026 |
| Russell C. Horowitz |
3/4/5
Chairman, Director, 10%+ Owner
|
—
class O/S missing
|
—
50,000 shares
|
— | 16 Dec 2025 |
| RENAISSANCE TECHNOLOGIES LLC |
13F
Company
|
—
class O/S missing
|
$2,489,151
1,605,904 shares
|
— | 31 Mar 2026 |
| Kanen Wealth Management LLC |
13F
Company
|
—
class O/S missing
|
$2,015,601
1,300,388 shares
|
— | 31 Mar 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC |
13F
Company
|
—
class O/S missing
|
$1,676,071
1,081,336 shares
|
— | 31 Mar 2026 |
| BlackRock, Inc. |
13F
Company
|
—
class O/S missing
|
$991,992
639,995 shares
|
— | 31 Mar 2026 |
| Edwin A. Miller |
3/4/5
Chief Executive Officer
|
—
mixed-class rows
|
$766,055
593,011 shares
mixed-class rows
|
— | 20 Mar 2025 |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
Company
|
—
class O/S missing
|
$627,600
404,806 shares
|
— | 31 Mar 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Insider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 27 Jun 2025.
Buys
$0
Insiders: 0
Sells
$0
Insiders: 0
Net
$0
Shares: 0
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 0
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-13 of 13 reporting-owner rows connected to MARCHEX INC. Open a relationship link for the CIK-to-CIK filing trail.
Rows
13
Largest Forms 3/4/5 holder
Edenbrook Capital, LLC
Net 12M change
$0
Latest report
20 Mar 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Edenbrook Capital, LLC | 10%+ Owner | $2,407,934 | Filing P/S | 25 Mar 2025 | ||
| Edwin A. Miller | Chief Executive Officer | $766,055 | Mixed | 20 Mar 2025 | ||
| John Roswech | Chief Revenue Officer | $527,325 | Mixed | 03 Jan 2022 | ||
| Francis J. Feeney | Chief Operating Officer & CLO | $443,893 | Mixed | 20 Mar 2026 | ||
| Ryan Polley | Chief Operating Officer | $344,519 | Mixed | 25 Jan 2023 | ||
| Troy Hartless | President & Chief Rev Officer | $280,805 | Mixed | 20 Mar 2026 | ||
| Brian Nagle | Chief Financial Officer | $24,069 | Mixed | 20 Mar 2026 | ||
| Holly A. Aglio | Cfo | Mixed | 30 Oct 2023 | |||
| Donald Cogsville | Director | Mixed | 16 Dec 2025 | |||
| Russell C. Horowitz | Chairman, Director, 10%+ Owner | Mixed | 16 Dec 2025 | |||
| Manuel W. Wisehart | Director | Mixed | 16 Dec 2025 | |||
| Dennis Cline | Director | Mixed | 16 Dec 2025 | |||
| Michael A. Arends | Vice Chairman, Director | Mixed | 16 Dec 2025 |
Recent insider transactions for MARCHEX INC
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Troy Hartless | MCHX | Class B Common Stock | Options Exercise | 87,500 | 87,500 | 20 Mar 2026 | Direct | |||
| Troy Hartless | MCHX | Restricted Stock Units | Options Exercise | -100% | -87,500 | 0 | 20 Mar 2026 | Direct | ||
| Brian Nagle | MCHX | Class B Common Stock | Options Exercise | 7,500 | 7,500 | 20 Mar 2026 | Direct | |||
| Brian Nagle | MCHX | Restricted Stock Units | Options Exercise | -100% | -7,500 | 0 | 20 Mar 2026 | Direct | ||
| Francis J. Feeney | MCHX | Class B Common Stock | Options Exercise | 26.3% | 62,500 | 299,928 | 20 Mar 2026 | Direct | ||
| Francis J. Feeney | MCHX | Restricted Stock Units | Options Exercise | -100% | -62,500 | 0 | 20 Mar 2026 | Direct | ||
| Brian Nagle | MCHX | Restricted Stock Units | Award | 56,089 | 56,089 | 17 Feb 2026 | Direct | |||
| Troy Hartless | MCHX | Restricted Stock Units | Award | 128,205 | 128,205 | 17 Feb 2026 | Direct | |||
| Francis J. Feeney | MCHX | Restricted Stock Units | Award | 96,153 | 96,153 | 17 Feb 2026 | Direct | |||
| Manuel W. Wisehart | MCHX | Employee Stock Option (right to buy) | Award | 50,000 | 50,000 | 16 Dec 2025 | Direct | |||
| Dennis Cline | MCHX | Employee Stock Option (right to buy) | Award | 50,000 | 50,000 | 16 Dec 2025 | Direct | |||
| Michael A. Arends | MCHX | Employee Stock Option (right to buy) | Award | 50,000 | 50,000 | 16 Dec 2025 | Direct | |||
| Donald Cogsville | MCHX | Employee Stock Option (right to buy) | Award | 50,000 | 50,000 | 16 Dec 2025 | Direct | |||
| Russell C. Horowitz | MCHX | Employee Stock Option (right to buy) | Award | 50,000 | 50,000 | 16 Dec 2025 | Direct | |||
| Brian Nagle | MCHX | Employee Stock Option (right to buy) | Award | 125,000 | 125,000 | 16 Oct 2025 | Direct | |||
| Brian Nagle | MCHX | Restricted Stock Units | Award | 125,000 | 125,000 | 16 Oct 2025 | Direct | |||
| Francis J. Feeney | MCHX | Employee Stock Option (right to buy) | Award | 150,000 | 150,000 | 16 Oct 2025 | Direct | |||
| Francis J. Feeney | MCHX | Restricted Stock Units | Award | 150,000 | 150,000 | 16 Oct 2025 | Direct | |||
| Troy Hartless | MCHX | Employee Stock Option (right to buy) | Award | 150,000 | 150,000 | 16 Oct 2025 | Direct | |||
| Troy Hartless | MCHX | Restricted Stock Units | Award | 150,000 | 150,000 | 16 Oct 2025 | Direct |
* marks a reported price that did not pass the local price check.