If your company is using Carta's platform to manage employee stock options, there's a blind spot in the 83(b) election feature you need to know about if you're married and living in a community property state like California. Here's the deal: Many startups offer early exercise of stock options, which can provide a big tax advantage to employees. Early exercise turns stock options into restricted stock, which normally requires an 83(b) election by the employee to avoid possible painful tax conseq...