It's a tough call. When the suspension is lifted, a 15-211(c) needs to be filed to get it trading again. A group of shareholders could get together to file one, and to update the financials.
They should qualify for exemption from filing because assets are less than $10 million, and have been less than $10 million since the subsidiary bankruptcy. The big question is whether investors would consider it valuable enough as a shell to get it trading again. The recent surge in price would suggest that it is.
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