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ISSUER PROFILE · CIK 0001224133 · CUSIP 56624R108

MARCHEX, INC.MCHX

10 13D/G filings 3 distinct filers 0 insider transactions (365d)

Post-Filing Returns · across 1 activist filings on this issuer

Median 30d
avg —
Median 60d
avg —
Median 90d
avg —
Median 180d
avg —

Returns measured from each activist filing's date_of_event, split + dividend adjusted via Yahoo Finance.

Cross-Reference Snapshot

Activist filings
10
1 SCHEDULE 13D · 9 SC
Distinct filers
3
multi-activist cluster
Insiders (365d)
0
0 buys · 0 sales
Latest short DTC
3.19
as of 2026-07-15

13D/G Filings Timeline · 10 total

FiledFormFilerStakeSharesIntent
2026-07-07 SCHEDULE 13D HOROWITZ RUSSELL C 18.50% 8,813,485 view →
2021-11-23 SC Edenbrook Capital, LLC view →
2021-03-08 SC Harbert Discovery Fund, LP view →
2020-08-10 SC Edenbrook Capital, LLC view →
2020-02-19 SC Edenbrook Capital, LLC view →
2019-12-20 SC Edenbrook Capital, LLC view →
2019-09-25 SC Edenbrook Capital, LLC view →
2019-08-13 SC Edenbrook Capital, LLC view →
2019-01-30 SC Harbert Discovery Fund, LP view →
2018-10-02 SC Edenbrook Capital, LLC view →

FINRA Short Interest History

SettlementShort InterestDays to Cover% Δ vs prior
2026-07-15 46,214 3.19 -0.9%
2026-06-30 46,647 1.64 +162.1%
2026-06-15 17,798 1.24 +23.6%
2026-05-29 14,404 1.00 -40.2%
2026-05-15 24,073 2.87 +26.4%
2026-04-30 19,046 1.00 +0.1%
2026-04-15 19,026 2.22 -28.2%
2026-03-31 26,512 1.49 +29.9%
2026-03-13 20,405 2.59 -20.7%
2026-02-27 25,743 1.91 -35.0%
2026-02-13 39,613 1.25 +19.0%
2026-01-30 33,278 1.70 -5.5%

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