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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
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avg —
Median 60d
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avg —
Median 90d
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Median 180d
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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
1.01
as of 2026-10-15

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
2026-10-15 33,482 1.01 -11.3%
2026-09-30 37,732 1.00 -43.1%
2026-09-15 66,288 1.83 +131.9%
2026-08-31 28,578 1.51 -35.6%
2026-08-14 44,393 1.73 +38.8%
2026-07-31 31,974 1.34 -30.8%
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%

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