Wombat Ltd is a large company that needs additional funds to supplement its working capital. It decides to issue additional shares to investors to raise those funds. Under which of the following scenarios would Wombat Ltd need to adhere to the disclosure requirements under Ch 6D of the Corporations Act 2001 (Cth)?

1. Wombat Ltd is raising $1.5 million over a 12-month period from five investors.
2. Wombat Ltd is issuing 10 million shares at $1.50 each to the public with no minimum subscription amount.
3. Wombat Ltd is issuing 10 million shares at $1.50 each to the public with a minimum subscription amount of $750,000.
4. Wombat Ltd is issuing $100 million in debentures to several very large banks in Australia.
5. Wombat Ltd is issuing 100 million shares at $1.50 each to Wombat Ltd's managing director, chief financial officer and their respective spouses.

Is crowd sourced equity funding a viable option for Wombat Ltd?