Explanation:

- Statement 1: In the venture capital industry, a 'unicorn' is a startup that reaches a valuation of $1 billion, not $10 billion.

- Statement 2: A unicorn is generally a privately held startup, but it doesn't necessarily have to be a startup. It is about the valuation status and not the company's age or developmental stage.

Given this, both statements are incorrect. Therefore, the correct option is:

- Option 4: Neither 1 nor 2