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MainStreetChamber Holdings, Inc. focuses on acquiring a portfolio of small and micro businesses. It develops solutions for organization ranging from startup to established companies. The company formerly known as Walker Lane Exploration, Inc. and changed its name to MainStreetChamber Holdings, Inc. in 2022. MainStreetChamber Holdings, Inc. was incorporated in 2007 and is based in Las Vegas, Nevada. MainStreetChamber Holdings, Inc. is a subsidiary of SJE Mining LLC.
Market information source · Sep 9, 2026
Periods recorded in the consulted sources. These do not certify the legal dates of name changes.
SEC company identity · Sep 9, 2026
Open-market timeline · full history
7 buys8 sells— close pricebar = usd volume, √ scaleclick a period to filter the table
| Insider | Type | Value · USD | Details | |
|---|---|---|---|---|
| andrews Huntley barr | Buy | — | SEC | |
| CALDWELL LEON |
| Buy |
| — |
| SEC |
| Jones Steven Kendall | Sell | $1K | SEC |
| Jones Steven Kendall | Sell | $1K | SEC |
| Jones Steven Kendall | Sell | $1K | SEC |
| Jones Steven Kendall | Other | — | SEC |
| Jones Steven Kendall | Sell | $1K | SEC |
| Stevenson Eric | Sell | $200K | SEC |
| Stevenson Eric | Sell | $4K | SEC |
| SJE Mining LLC | Sell | — | SEC |
| Simon Keith Adrian | Sell | $760 | SEC |
| Simon Keith Adrian | Buy | $600 | SEC |
| Mancuso Thomastrack record | Buy | $3.9K | SEC |
| Mancuso Thomastrack record | Buy | $5.1K | SEC |
| Jones Steven Kendall | Buy | $3K | SEC |
| Moss Trevor A | Buy | $500 | SEC |