Muddy Waters is short Sunrun Inc (NASDAQ:RUN) because we see it as an uneconomic business built on three shaky pillars: The equity story of exaggerated “Subscriber Values” and “Gross / Net Earning Assets”, funding growth through abusing tax incentives, and issuing ABS that could be exposed to a RUN bankruptcy. These pillars, in turn, are built on a foundation of dubious financial models. If one of these three pillars wobbles, RUN would likely face a funding gap and would require equity issuances to continue growing. Insiders have already become ultra-wealthy, having net sold shares since July …