UPDATE 4: I'd be remiss if I didn't update this post with the outcome: I was able to recover about 1.5x lost wages (after employment attorney fees). The advice below I followed included: (1) finding an employment lawyer ASAP (2) Counting the bonus (rightly) as lost; (3) Collecting a few weeks of unemployment; (4) Searching for and landing a new job (at a higher salary, in fact) in less than 30 days after being let go. Thank you, Personal Finance & Money
for the timely and helpful advice. You helped me navigate one of the most stressful situations of my life with advice that was logical and empathetic. I am forever grateful.
UPDATE 3: The firm is likely lying to us and going up declare bankruptcy on May 15 after moving money out of the country. Asked advice here: https://law.stackexchange.com/questions/40917/want-to-sue-my-former-employer-for-wage-theft-or-settle