VP-Renewable Nat Gas Opers Palleschi Craig exercised 4,487 units of Common Units at a strike of $17.77, returned $79,734 worth of Common Units to the company (4,487 units at $17.77), was granted 7,397 units of Common Units and covered exercise/tax liability with 4,150 units of Common Units, increasing direct ownership by 15% to 24,698 units (SEC Form 4)