They will be for sale for $500 per share and shareholding will be capped at four per cent for each person or organisation.
It's hoped the new ownership structure would be in place for the start of the 2018 season.
Of the minimum $15 million that's required, about half of that would be put towards addressing "current trading deficiencies and restructure the Knights operations for the first three years of operations".
The mission statement says the restructure would give the club back to the fans would have a vested interest in its success.
"Over the last few years, our team has been let down by uncertainty and ownership changes. But let's change that. Now is the time to make a stand," reads an excerpt from the website ourknights.com.au.
The Knights proposal comes just months after a similar plan was launched to save Super Rugby franchise the Western Force. RugbyWA announced a fan ownership model by selling 5000 "certificates" at $1000 each to raise $5 million and prop up the financially fragile club.
- AAP