CEO Esaka Fumihide and CTO Hanson Scott McLean sold a combined $1.32M in open-market shares on August 14, 2026, following a record Q2 earnings beat and raised guidance reported 8 days prior. The sales are largely tied to option exercises (CEO exercised 27,000 options at $0-$8.12 strike; CTO exercised 14,000 options at $0-$8.12 strike), with the open-market sales representing 0.08% of AMBQ's $1.6B market cap — a trivial proportion. The cluster is not informative: the sales are liquidity-driven from vesting/exercise events, not a bearish signal on the company's accelerating edge AI momentum.
Price Chart
Executive Summary
CEO Esaka Fumihide and CTO Hanson Scott McLean sold a combined $1.32M in open-market shares on August 14, 2026, following a record Q2 earnings beat and raised guidance reported 8 days prior. The sales are largely tied to option exercises (CEO exercised 27,000 options at $0-$8.12 strike; CTO exercised 14,000 options at $0-$8.12 strike), with the open-market sales representing 0.08% of AMBQ's $1.6B market cap — a trivial proportion. The cluster is not informative: the sales are liquidity-driven from vesting/exercise events, not a bearish signal on the company's accelerating edge AI momentum.
Key Financial Metrics
Key Facts
- CEO Esaka Fumihide sold 13,500 open-market shares for ~$869K on Aug 14, 2026, all tied to option exercises at $0 and $8.12 per share.
- CTO Hanson Scott McLean sold 7,000 open-market shares for ~$451K on Aug 14, 2026, all tied to option exercises at $0 and $8.12 per share.
- Total open-market sales of $1.32M represent just 0.08% of AMBQ's $1.6B market cap — well below the 0.1% materiality threshold.
- The cluster occurred 8 days after Ambiq reported record Q2 net sales of $33.9M (+90% YoY) and guided Q3 to $36-37M, confirming strong demand.
- Both insiders exercised options at deep in-the-money strikes ($0-$8.12 vs. ~$64 market price), generating $166K in exercise costs but unlocking ~$1.5M in pre-tax proceeds.
Financial Impact
Open-market sales of $1.32M, or 0.08% of market cap — immaterial. Option exercises added $166K in cash cost but created no net dilution (shares were already reserved).
Risk Factors
- Insiders may continue to sell as options vest, creating modest overhang.
- Supply chain constraints flagged in Q2 earnings could pressure Q3 guidance.
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CLUSTER Data (Synthetic) | cluster-AMBQ-1787120524715 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Oct 27, 2026 today | SC 13G/A | $54.67 | awaiting T+20 | — | $54.67 (−0.00%) |
Oct 16, 2026 11d ago | Insider Cluster | $49.62 | awaiting T+20 | — | $54.67 (−10.18%) |
Sep 17, 2026 5w ago | Insider Cluster | $65.46 $49.88 | ▲ +23.80% | ▲ +24.01% | $54.67 (+16.48%) |
Sep 15, 2026 6w ago | Insider Cluster | $59.90 $51.55 | ▲ +13.94% | ▲ +16.00% | $54.67 (+8.73%) |
Sep 9, 2026 6w ago | Insider Cluster | $60.66 $58.90 | ▼ −2.90% | ▼ −5.28% | $54.67 (−9.87%) |
Sep 2, 2026 7w ago | Insider Cluster | $56.43 $68.18 | ▲ +20.82% | ▲ +22.01% | $54.67 (−3.12%) |
Aug 18, 2026 10w ago | Insider Cluster | $59.19 $62.35 | ▲ +5.34% | ▲ +6.18% | $54.67 (−7.64%) |
Aug 15, 2026 10w ago | Institutional Cluster | $67.86 $60.85 | ▼ −10.33% | ▼ −8.35% | $54.67 (−19.44%) |
Aug 11, 2026 11w ago | 8-K | $65.29 $63.77 | ▼ −2.33% | ▼ −1.27% | $54.67 (−16.27%) |
Jul 30, 2026 12w ago | 8-K | $63.23 $60.09 | ▼ −4.97% | ▼ −8.93% | $54.67 (−13.54%) |
US Market Status
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