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AMBQ · CIK 0001500412 · FY2025 live · 2025-12-31

Ambiq Micro, Inc.

GreySEC 10-KClassic ZTechnology62nd percentile in Technology · 226 names

View as

Model

Classic Z

FY2025

2.34

Zone

Grey

Prior

—

Market DD

—

1y PD

—

Meridian Rank

62.91

0–100 · Classic Z tape · not a PD

  • Book standing

    70

  • Year change

    —

  • Market PD

    —

  • O-score

    44

Events on this name

Same published rows as Today. Not a live recompute.

No published events on this print.

2.34

Z″ 5.22

−21.83.08+

Score 2.34 · distress below 1.80, grey to 2.99, safe at 3.00 and above.

Classic Z factor contributions

  • X1 Working capital / assets

    Short-term liquidity versus the size of the balance sheet.

    0.81
    1.2 × = 0.97

  • X2 Retained earnings / assets

    Cushion from years of profits. Share buybacks can push this negative at otherwise healthy firms.

    −1.93
    1.4 × = −2.70

  • X3 EBIT / assets

    Operating return on assets. Highest weight in the original model.

    −0.21
    3.3 × = −0.71

  • X4 Book equity / liabilities

    Book equity versus the liability stack. Mega-caps often look greyer here than they would if X4 used market cap.

    7.31
    0.6 × = 4.39

  • X5 Sales / assets

    Asset turnover — how much revenue the asset base supports.

    0.39
    1 × = 0.39

Five-year path

Need two annual 10-Ks to draw a path. The desk will pull this issuer’s filings rather than invent a series.

Overview

rule-v1

Ambiq Micro, Inc. is on classic Z at 2.34 (grey) for FY2025, from an SEC 10-K. Book equity / liabilities is the line that sets the print; retained earnings / assets is the runner-up. This is the first live year on the desk. No market tape loaded. Classic Z was fit on manufacturers; buybacks can send retained earnings negative at otherwise healthy issuers, and X4 is book equity, not market cap.

Book screen Grey; market PD —. Tape not priced — not a single default call.

Market DD · naive Merton

No market tape yet.

Pull a year of closes (Yahoo, Nasdaq if Yahoo is limited) and size equity from Nasdaq cap or EDGAR shares. Distance-to-default and 1-year PD stay blank until then.

Sector peers

Closest Classic Z scores · 62nd percentile in Technology.

KPI widgets

Current assets

$168M

Total assets

$185M

Current liabilities

$19M

Total liabilities

$22M

Working capital

$149M

Retained earnings

−$357M

EBIT

−$40M

Total sales

$73M

Book equity

$162M

Accession 0001193125-26-094004. Live rank is the latest 10-K on EDGAR (FY2025, period 2025-12-31). Classic Z is the live score. View as does not rewrite the live rank. X4 is book equity. Pulled 13 Sept 2026.