AMBQ NYSE

Of US companies ranked in the safest four tenths, about 1 in 3,500 filed for bankruptcy within a year (2020-2025).
If the stock fell to about $0.03 (down 99.9%), Ambiq Micro, Inc. would be worth roughly what it owes.
Total debt $4.6M against a stock market value of $1.23B.
Distance to default 7.51 (Merton model): prices to 2026-10-26, balance sheet 2026-06-30, debt counted $2.3M (short-term plus half of long-term), stock volatility 80.2%; Altman Z 23.76. A ranking and a back-test, not a forecast.
US fund filings (SEC N-PORT) show under $25M of this company's bonds, so there is no bond page. Its debt may be bank loans or privately placed. How these are computed.