Expect IPO pricing within 1-2 days. The strong analyst backing (73% bullish) and recent insider selling ($1.8M) create a mixed signal — watch the IPO price range and demand from institutional investors. Post-IPO, monitor lockup expiry and any follow-on offerings.
Price Chart
Executive Summary
Ambiq Micro's S-1 registration statement (File No. 333-296930) was declared effective by the SEC on June 23, 2026, clearing the way for the company's IPO. The company can now price and begin trading its common stock on the NYSE, likely within 1-2 days. The IPO represents a liquidity event for existing holders and will raise primary capital for the semiconductor firm, which has a $1.7B market cap and strong analyst support (73% bullish).
Key Facts
- SEC declared S-1 effective on June 23, 2026 (File No. 333-296930)
- IPO can now price and begin trading on NYSE under ticker AMBQ
- Company is a semiconductor & related devices manufacturer with $1.7B market cap
- Analyst consensus: 73% bullish (3 Strong Buy, 5 Buy, 3 Hold)
- Top institutional holders: BlackRock ($26M), AllianceBernstein ($20M), Vanguard ($18M)
- Recent insider activity: 1 sell totaling $1.8M in past 30 days
Financial Impact
IPO proceeds not disclosed in filing; $1.7B pre-offer market cap suggests a significant primary raise
Risk Factors
- IPO pricing below expectations could signal weak demand
- Dilution from new shares may pressure near-term valuation
- Insider selling ahead of IPO may indicate limited confidence at current levels
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 3 SEC documents filed with EDGAR.
| Document | Accession Number |
|---|---|
| EFFECT Filing (Primary) | 9999999995-26-002095 |
| Document: 9999999995-26-002095-index.html | 9999999995-26-002095 |
| Document: 9999999995-26-002095.txt | 9999999995-26-002095 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Oct 27, 2026 today | SC 13G/A | $54.67 | awaiting T+20 | — | $51.06 (−6.60%) |
Oct 16, 2026 11d ago | Insider Cluster | $49.62 | awaiting T+20 | — | $51.06 (−2.90%) |
Sep 17, 2026 5w ago | Insider Cluster | $65.46 $49.88 | ▲ +23.80% | ▲ +24.01% | $51.06 (+22.00%) |
Sep 15, 2026 6w ago | Insider Cluster | $59.90 $51.55 | ▲ +13.94% | ▲ +16.00% | $51.06 (+14.76%) |
Sep 9, 2026 6w ago | Insider Cluster | $60.66 $58.90 | ▼ −2.90% | ▼ −5.28% | $51.06 (−15.83%) |
Sep 2, 2026 7w ago | Insider Cluster | $56.43 $68.18 | ▲ +20.82% | ▲ +22.01% | $51.06 (−9.52%) |
Aug 18, 2026 10w ago | Insider Cluster | $59.19 $62.35 | ▲ +5.34% | ▲ +6.18% | $51.06 (−13.74%) |
Aug 15, 2026 10w ago | Institutional Cluster | $67.86 $60.85 | ▼ −10.33% | ▼ −8.35% | $51.06 (−24.76%) |
Aug 11, 2026 11w ago | 8-K | $65.29 $63.77 | ▼ −2.33% | ▼ −1.27% | $51.06 (−21.80%) |
Jul 30, 2026 12w ago | 8-K | $63.23 $60.09 | ▼ −4.97% | ▼ −8.93% | $51.06 (−19.25%) |
US Market Status
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