Want the short version?
Ask OQRO reads the filings behind this page and answers in plain words, with a link to each source.
Ask OQRO is part of OQRO Pro. Everything else on OQRO is free.
Ask OQRO reads the filings behind this page and answers in plain words, with a link to each source.
Ask OQRO is part of OQRO Pro. Everything else on OQRO is free.
Only to see which pages are hard to use, so we can fix them. Nothing is used for ads, and what you type stays hidden (Microsoft Clarity, PostHog). Privacy Policy
Russell C Horowitz is Chairman at Marchex. OQRO lists 2 transactions filed with the SEC under this name, the latest on Jul 1, 2026, each linked to the official Form 4.
Chairman
Disclosures on record
2
Companies involved
1
MarchexMCHX
2 disclosures · Dec 2025 – Jul 2026
Jul 1, 2026—
DetailsOfficial recordDec 16, 202550Kdisclosed Dec 17
DetailsOfficial recordRussell C Horowitz bought shares on the open market in 2012, and has not bought since 2012. Sales in 5 of the 20 years since 2007.
Russell C Horowitz reported 13 open-market purchases and 89 sales since 2007; purchases in 2012.
| Year | Bought | Sold |
|---|---|---|
| 2014 | — | $29.5M3×3 trades |
| 2012 | $225K13×13 trades | — |
| 2011 | — | $7.28M21×21 trades |
| 2010 | — | $5.83M22×22 trades |
| 2008 | — | $1.04M9×9 trades |
| 2007 | — | $7.9M34×34 trades |
Open-market purchases (code P) and sales (code S) on Forms 4 and 5. Up to Sep 2024 from the SEC's Insider Transactions Data Sets; since Oct 2024 from each filing as it is published. A trade filed twice (an amendment) counts once. Dollar totals use the price the filer reported; lines with no price count as trades without a value.
Russell C Horowitz bought shares on the open market in 2012, and has not bought since 2012. Sales in 5 of the 20 years since 2007.
In SEC filings since 2007: the latest open-market purchase is from 2012; the latest open-market sale is from 2014.
Marchex (MCHX), from 2007 to 2014: 13 purchases and 89 sales.
Russell C Horowitz reported 13 open-market purchases and 89 sales here, 2007 to 2014.
Closing prices and the companies' last annual figures; a − or + is a fact of the close, not a forecast.