This mornings 8k sent shares up more than 19% and has more than 32,000 trades as of this post. Shares are $1.46 and climbing. The 8k is posted here.
http://archive.fast-edgar.com/20220708/A9Z7K62COC22HZ7Z2M2G2ZZ2MTBIZ22IZ242/
https://investors.phunware.com/sec-filings