Going into the final week of July there are four IPO's scheduled and they are all in different sectors. All combined the four offerings will be looking to raise a total of $450 million.

First up, and the largest of the week is Industrea Acquisition (INDUU  ) which is a blank check company that was setup to acquire industrial businesses. Based out of New York, the company will be hoping to raise $200 million by offering the public 20 million shares at $10.

Next is RBB Bancorp (RBB  ) which is a commercial bank with a specific focus on first generation, Asian immigrants. Investors have been concerned about its weak loan volume so far but the company hopes to get past this by selling the public on their increasing margins. They will be offering 3 million shares at a price range of $22 - $24 in hopes of raising $69 million from the public.

Sienna Biopharmaceuticals (SNNA  ) is a clinical stage biotech company that, according to their filing is developing topical therapies for dermatological conditions. They are looking for $65 million from the public in exchange for 4.3 million shares at a price range of $14 - $16.

Lastly we have Redfin (RDFN  ) which is in the real estate space. This will likely be the deal that catches the attention of the media as the company has the highest valuation of all the offerings. The company hopes to be a disruptor in the real estate space by offering lower commissions and driving higher volume. They will offer 9.231 million shares at a price range of $12 - $14.