The transaction is sourced from an SEC EDGAR Form 424B4 filing published on January 26, 2026. Based on the facts provided, the deal's status is pending regulatory approval.

The underwriting syndicate for this offering includes four named underwriters serving the issuer, Ambiq Micro. BofA Securities and UBS Investment Bank are both identified as holding lead status among the underwriters, while Needham & Company and Stifel are also named as underwriters without a specified lead designation. The source material lists all four firms together under a single listing of underwriters: BofA Securities, UBS Investment Bank, Needham & Company, and Stifel.

No legal advisor is identified for the issuer or for the underwriting syndicate in the facts provided for this transaction.

Beyond confirming that this is a follow-on common stock offering with a disclosed value of 83,067,600 dollars, no further detail on the number of shares offered or the per-share offering price is included in the facts available.

A number of elements of this deal remain undisclosed. No legal advisor to the issuer or underwriters is identified, and no detail is provided on the per-share offering price or the number of shares sold in this follow-on offering. The facts also do not specify an expected closing or settlement date.