Ambiq Micro (AMBQ) Stock Analysis & Price (Updated Oct 16, 2026, 4:00 PM ET)
Updated Oct 16, 2026, 4:00 PM ET
AMBQ slides 4.2% to $49.88, a 3-month low. Closed at $49.88, -4.22% vs the prior close of $52.08. Day range $49.58–$51.79, opened at $51.04.
AMBQ daily analysis — what happened
A plain-English, data-only note written after every US trading day. Newest first; older days stay archived below.
Oct 16, 2026 — AMBQ slides 4.2% to $49.88, a 3-month low
- Closed at $49.88, -4.22% vs the prior close of $52.08. Day range $49.58–$51.79, opened at $51.04.
- Volume was 547.87K shares, 1.1x its 50-day average of 500.56K.
- Price is -19.4% vs its 50-day average ($61.89) and -5.4% vs its 200-day average ($52.72).
- 52-week range $22.12–$91.61; today's close sits at 40% of that range, 45.6% below the 52-week high.
Oct 15, 2026 — AMBQ rises 1.0% to $52.08
- Closed at $52.08, +1.03% vs the prior close of $51.55. Day range $48.20–$52.10, opened at $48.72.
- Volume was 539.90K shares, 1.1x its 50-day average of 496.37K.
- Price is -16.3% vs its 50-day average ($62.20) and -1.0% vs its 200-day average ($52.62).
- 52-week range $22.12–$91.61; today's close sits at 43% of that range, 43.2% below the 52-week high.
Oct 14, 2026 — AMBQ slides 7.7% to $51.55, a 3-month low
- Closed at $51.55, -7.72% vs the prior close of $55.86. Day range $49.61–$54.39, opened at $53.94.
- Volume was 459.40K shares, 0.9x its 50-day average of 494.54K.
- Price is -17.4% vs its 50-day average ($62.42) and -1.8% vs its 200-day average ($52.50).
- 52-week range $22.12–$91.61; today's close sits at 42% of that range, 43.7% below the 52-week high.
Oct 13, 2026 — AMBQ rises 0.7% to $55.86
- Closed at $55.86, +0.74% vs the prior close of $55.45. Day range $53.00–$56.09, opened at $54.05.
- Volume was 380.30K shares, 0.8x its 50-day average of 496.70K.
- Price is -11.0% vs its 50-day average ($62.73) and +6.6% vs its 200-day average ($52.39).
- 52-week range $22.12–$91.61; today's close sits at 49% of that range, 39.0% below the 52-week high.
Oct 12, 2026 — AMBQ slides 5.3% to $55.45, a 3-month low, 7 down days in a row
- Closed at $55.45, -5.31% vs the prior close of $58.56. Day range $55.34–$58.25, opened at $57.72.
- Volume was 392.10K shares, 0.8x its 50-day average of 496.23K.
- Price is -11.9% vs its 50-day average ($62.92) and +6.1% vs its 200-day average ($52.27).
- 52-week range $22.12–$91.61; today's close sits at 48% of that range, 39.5% below the 52-week high.
- That makes 7 straight losses.
Oct 9, 2026 — AMBQ dips 0.6% to $58.56, a 1-month low, 6 down days in a row
- Closed at $58.56, -0.58% vs the prior close of $58.90. Day range $57.40–$60.50, opened at $60.17.
- Volume was 267.20K shares, 0.5x its 50-day average of 501.31K — lighter than usual.
- Price is -7.2% vs its 50-day average ($63.08) and +12.3% vs its 200-day average ($52.14).
- 52-week range $22.12–$91.61; today's close sits at 52% of that range, 36.1% below the 52-week high.
- That makes 6 straight losses.
Oct 8, 2026 — AMBQ slides 5.0% to $58.90, a 1-month low, 5 down days in a row
- Closed at $58.90, -4.97% vs the prior close of $61.98. Day range $57.66–$60.74, opened at $60.51.
- Volume was 483.40K shares, 0.9x its 50-day average of 515.68K.
- Price is -6.8% vs its 50-day average ($63.17) and +13.3% vs its 200-day average ($52.00).
- 52-week range $22.12–$91.61; today's close sits at 53% of that range, 35.7% below the 52-week high.
- That makes 5 straight losses.
Oct 7, 2026 — AMBQ dips 2.0% to $61.98, 4 down days in a row
- Closed at $61.98, -1.99% vs the prior close of $63.24. Day range $60.79–$64.35, opened at $62.18.
- Volume was 566.20K shares, 1.1x its 50-day average of 529.94K.
- Price is -1.8% vs its 50-day average ($63.14) and +19.5% vs its 200-day average ($51.86).
- 52-week range $22.12–$91.61; today's close sits at 57% of that range, 32.3% below the 52-week high.
- That makes 4 straight losses.
Oct 6, 2026 — AMBQ slides 4.1% to $63.24, 3 down days in a row
- Closed at $63.24, -4.07% vs the prior close of $65.92. Day range $62.90–$67.96, opened at $67.92.
- Volume was 563.70K shares, 1.1x its 50-day average of 531.65K.
- Price is +0.2% vs its 50-day average ($63.11) and +22.3% vs its 200-day average ($51.70).
- 52-week range $22.12–$91.61; today's close sits at 59% of that range, 31.0% below the 52-week high.
- That makes 3 straight losses.
Oct 5, 2026 — AMBQ slides 3.3% to $65.92
- Closed at $65.92, -3.31% vs the prior close of $68.18. Day range $65.87–$69.51, opened at $69.51.
- Volume was 508.90K shares, 1.0x its 50-day average of 531.65K.
- Price is +4.3% vs its 50-day average ($63.21) and +28.0% vs its 200-day average ($51.52).
- 52-week range $22.12–$91.61; today's close sits at 63% of that range, 28.0% below the 52-week high.
Oct 2, 2026 — AMBQ dips 1.4% to $68.18
- Closed at $68.18, -1.40% vs the prior close of $69.15. Day range $67.90–$72.26, opened at $72.26.
- Volume was 419.00K shares, 0.8x its 50-day average of 532.14K.
- Price is +7.7% vs its 50-day average ($63.29) and +32.8% vs its 200-day average ($51.32).
- 52-week range $22.12–$91.61; today's close sits at 66% of that range, 25.6% below the 52-week high.
AMBQ latest news & SEC filings
Every SEC filing by or about AMBQ in the last 120 days, explained in plain English. Updated daily, with a same-day refresh for new filings.
Oct 16, 2026 · Form 4 — Insider trade
Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings
- Hanson Scott Mclean converted options/RSUs into 7,000 shares at $8.12 (≈$56.84K) on Oct 15, 2026; now holds 219,546
- Hanson Scott Mclean sold 600 shares at $49.06 (≈$29.44K) on Oct 15, 2026; now holds 218,946
- Hanson Scott Mclean sold 900 shares at $50.08 (≈$45.07K) on Oct 15, 2026; now holds 218,046
- Hanson Scott Mclean sold 3,700 shares at $51.12 (≈$189.15K) on Oct 15, 2026; now holds 214,346
- Hanson Scott Mclean sold 1,800 shares at $51.86 (≈$93.35K) on Oct 15, 2026; now holds 212,546
Open-market purchases (P) and sales (S) are shown in colour; awards, exercises and tax withholding are routine pay-related moves. Many sales are pre-planned under 10b5-1 plans.
Oct 16, 2026 · Form 4 — Insider trade
Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings
- Esaka Fumihide converted options/RSUs into 5,000 shares at $8.12 (≈$40.60K) on Oct 15, 2026; now holds 448,900
- Esaka Fumihide sold 500 shares at $49.13 (≈$24.57K) on Oct 15, 2026; now holds 448,400
- Esaka Fumihide sold 500 shares at $50.02 (≈$25.01K) on Oct 15, 2026; now holds 447,900
- Esaka Fumihide sold 2,800 shares at $51.15 (≈$143.21K) on Oct 15, 2026; now holds 445,100
- Esaka Fumihide sold 1,200 shares at $51.85 (≈$62.23K) on Oct 15, 2026; now holds 443,900
Open-market purchases (P) and sales (S) are shown in colour; awards, exercises and tax withholding are routine pay-related moves. Many sales are pre-planned under 10b5-1 plans.
Oct 16, 2026 · Form 4 — Insider trade
Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings
- Chen Sean Chihhsiang converted options/RSUs into 15,000 shares at $8.12 (≈$121.80K) on Oct 14, 2026; now holds 121,268
- Chen Sean Chihhsiang sold 7,539 shares at $50.13 (≈$377.92K) on Oct 14, 2026; now holds 113,729
- Chen Sean Chihhsiang sold 1,261 shares at $51.53 (≈$64.98K) on Oct 14, 2026; now holds 112,468
- Chen Sean Chihhsiang sold 2,000 shares at $52.47 (≈$104.94K) on Oct 14, 2026; now holds 110,468
- Chen Sean Chihhsiang sold 4,000 shares at $53.44 (≈$213.75K) on Oct 14, 2026; now holds 106,468
- Chen Sean Chihhsiang sold 200 shares at $54.27 (≈$10.85K) on Oct 14, 2026; now holds 106,268
Open-market purchases (P) and sales (S) are shown in colour; awards, exercises and tax withholding are routine pay-related moves. Many sales are pre-planned under 10b5-1 plans.
Oct 6, 2026 · Form 4 — Insider trade
Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings
- Winzeler Jeffrey G sold 2,343 shares at $69.11 (≈$161.92K) on Oct 2, 2026; now holds 103,956
- Winzeler Jeffrey G sold 2,828 shares at $69.77 (≈$197.32K) on Oct 2, 2026; now holds 101,128
- Winzeler Jeffrey G sold 284 shares at $71.86 (≈$20.41K) on Oct 2, 2026; now holds 100,844
Open-market purchases (P) and sales (S) are shown in colour; awards, exercises and tax withholding are routine pay-related moves. Many sales are pre-planned under 10b5-1 plans.
Oct 6, 2026 · Form 4 — Insider trade
Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings
- Esaka Fumihide sold 7,113 shares at $69.11 (≈$491.57K) on Oct 2, 2026; now holds 453,347
- Esaka Fumihide sold 8,585 shares at $69.77 (≈$598.99K) on Oct 2, 2026; now holds 444,762
- Esaka Fumihide sold 862 shares at $71.86 (≈$61.94K) on Oct 2, 2026; now holds 443,900
Open-market purchases (P) and sales (S) are shown in colour; awards, exercises and tax withholding are routine pay-related moves. Many sales are pre-planned under 10b5-1 plans.
Oct 6, 2026 · Form 4 — Insider trade
Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings
- Hanson Scott Mclean sold 3,728 shares at $69.11 (≈$257.64K) on Oct 2, 2026; now holds 217,498
- Hanson Scott Mclean sold 4,500 shares at $69.77 (≈$313.97K) on Oct 2, 2026; now holds 212,998
- Hanson Scott Mclean sold 452 shares at $71.86 (≈$32.48K) on Oct 2, 2026; now holds 212,546
Open-market purchases (P) and sales (S) are shown in colour; awards, exercises and tax withholding are routine pay-related moves. Many sales are pre-planned under 10b5-1 plans.
Aug 14, 2026 · Form SCHEDULE 13G/A — Update to a passive 5%+ stake (13G)
Update to a passive 5%+ stake (13G)
Filed by an outside investor (not the company). It reports a holding of more than 5% of a share class; percentage and holder name are in the filing.
Aug 11, 2026 · Form 10-Q — Quarterly report
Quarterly report (unaudited financial statements for the quarter)
Quarter ended Jun 30, 2026:
- Revenue: $33.90M (prior year $17.87M) (+89.7% vs Jun 30, 2025)
- Net income: -$7.12M (prior year -$8.50M) (loss narrowed vs Jun 30, 2025)
- Diluted EPS: -$0.32 (prior year -$18.89) (loss narrowed vs Jun 30, 2025)
Aug 11, 2026 · Form 8-K — Major event / current report
Current report — a filing companies must make within 4 business days of a major event
- Item 2.02 — Reported results of operations (earnings release).
This is a results-day filing: the earnings press release is attached as an exhibit.
Jul 30, 2026 · Form 8-K — Major event / current report
Current report — a filing companies must make within 4 business days of a major event
- Item 7.01 — Released information under Regulation FD (e.g. a presentation or press release).
Jul 27, 2026 · Form SCHEDULE 13G — Passive stake (13G)
Passive stake (13G) — an investor reported owning more than 5%
Filed by an outside investor (not the company). It reports a holding of more than 5% of a share class; percentage and holder name are in the filing.
Jun 25, 2026 · Form 424B4 — Final prospectus with offering price
Final prospectus with offering price
An offering document: new shares or debt may be sold, which can increase the share count (dilution) or debt load. Size and terms are in the prospectus.
Jun 23, 2026 · Form EFFECT — EFFECT filing
EFFECT filing
Jun 23, 2026 · Form S-1MEF — S-1MEF filing
S-1MEF filing
Jun 22, 2026 · Form S-1 — Registration statement (S-1)
Registration statement (S-1) — registering new shares, usually for an IPO or offering
An offering document: new shares or debt may be sold, which can increase the share count (dilution) or debt load. Size and terms are in the prospectus.
Things to know before you trade AMBQ
- Last results release: Aug 11, 2026 (8-K Item 2.02). Previous ones: May 12, 2026, Mar 5, 2026, Jan 21, 2026. Based on that rhythm, the next report is likely around Nov 10, 2026 — an estimate, not a confirmed date.
- How much it moves: over the last 20 sessions the average daily move was 3.11% (largest 8.6%). That is a volatile stock.
- Liquidity: about 482.19K shares (≈$24.05M) trade per day on average.
- 52-week position: $49.88 vs a range of $22.12–$91.61 (40% of the range).
- Dividends: no cash dividends in the last 2 years.
- Splits: none in the last 2 years.
- Insider trades (Form 4, last 12 months, recent 25 shown): 0 open-market buys, 25 sales; latest: Scott Mclean Hanson sold 100 shares on Sep 15, 2026.
- Latest filings: 10-Q Aug 11, 2026; 8-K Aug 11, 2026; 8-K Jul 30, 2026.
- Share count: 24.18M shares outstanding (Aug 7, 2026), +32.6% vs a year earlier — notable dilution.
- Listing: NYSE · industry: Semiconductors & Related Devices.
AMBQ market data (last 20 sessions)
| Date | Open | High | Low | Close | Volume |
|---|---|---|---|---|---|
| Oct 16, 2026 | 51.04 | 51.79 | 49.58 | 49.88 | 547.87K |
| Oct 15, 2026 | 48.72 | 52.10 | 48.20 | 52.08 | 539.90K |
| Oct 14, 2026 | 53.94 | 54.39 | 49.61 | 51.55 | 459.40K |
| Oct 13, 2026 | 54.05 | 56.09 | 53.00 | 55.86 | 380.30K |
| Oct 12, 2026 | 57.72 | 58.25 | 55.34 | 55.45 | 392.10K |
| Oct 9, 2026 | 60.17 | 60.50 | 57.40 | 58.56 | 267.20K |
| Oct 8, 2026 | 60.51 | 60.74 | 57.66 | 58.90 | 483.40K |
| Oct 7, 2026 | 62.18 | 64.35 | 60.79 | 61.98 | 566.20K |
| Oct 6, 2026 | 67.92 | 67.96 | 62.90 | 63.24 | 563.70K |
| Oct 5, 2026 | 69.51 | 69.51 | 65.87 | 65.92 | 508.90K |
| Oct 2, 2026 | 72.26 | 72.26 | 67.90 | 68.18 | 419.00K |
| Oct 1, 2026 | 68.93 | 70.17 | 67.47 | 69.15 | 584.50K |
| Sep 30, 2026 | 65.57 | 69.03 | 65.30 | 68.17 | 582.30K |
| Sep 29, 2026 | 69.45 | 69.45 | 63.31 | 64.81 | 597.60K |
| Sep 28, 2026 | 69.79 | 70.78 | 66.74 | 68.30 | 278.00K |
| Sep 25, 2026 | 69.85 | 70.88 | 68.63 | 69.79 | 268.50K |
| Sep 24, 2026 | 67.45 | 70.32 | 66.85 | 68.92 | 388.80K |
| Sep 23, 2026 | 70.47 | 71.92 | 67.46 | 69.13 | 365.40K |
| Sep 22, 2026 | 69.83 | 73.08 | 69.81 | 71.05 | 643.20K |
| Sep 21, 2026 | 66.20 | 71.26 | 65.50 | 71.09 | 807.60K |
About Ambiq Micro
Ambiq Micro (AMBQ) is listed on the NYSE and classified by the SEC under “Semiconductors & Related Devices”. Its business address is in AUSTIN, TX. State of incorporation: DE. Fiscal year ends December 31. SEC CIK 1500412.
AMBQ board of directors & executives
From SEC Form 3/4/5 insider filings made in the last 12 months (date = latest filing).
Directors
| Name | Role | Latest filing |
|---|---|---|
| Bernard Bennett Banks | Director | Jun 10, 2026 |
| Timothy Chen | Director | Jun 10, 2026 |
| Fumihide Esaka | Chief Executive Officer | Sep 15, 2026 |
| Wen Hsuan Hsieh | Director | Jun 10, 2026 |
| Scott Mclean Hanson | Chief Technology Officer | Sep 17, 2026 |
| Joseph A Tautges | Director | Jun 10, 2026 |
| Ker Zhang | Director | Sep 15, 2026 |
Executive officers
| Name | Title | Latest filing |
|---|---|---|
| Sean Chihhsiang Chen | President and COO | Sep 15, 2026 |
| Michele Kim Connors | General Counsel | Apr 6, 2026 |
| Fumihide Esaka | Chief Executive Officer | Sep 15, 2026 |
| Scott Mclean Hanson | Chief Technology Officer | Sep 17, 2026 |
| Jeffrey G Winzeler | Chief Financial Officer | Jun 4, 2026 |
Recent insider buys & sales
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Sep 15, 2026 | Scott Mclean Hanson | Sale | 100 | $61.00 |
| Sep 15, 2026 | Scott Mclean Hanson | Sale | 4,947 | $60.56 |
| Sep 15, 2026 | Scott Mclean Hanson | Sale | 1,953 | $59.53 |
| Sep 15, 2026 | Scott Mclean Hanson | Sale | 100 | $61.00 |
| Sep 15, 2026 | Scott Mclean Hanson | Sale | 4,947 | $60.56 |
| Sep 15, 2026 | Scott Mclean Hanson | Sale | 1,953 | $59.53 |
| Sep 15, 2026 | Scott Mclean Hanson | Sale | 100 | $61.00 |
| Sep 15, 2026 | Scott Mclean Hanson | Sale | 4,947 | $60.56 |
| Sep 15, 2026 | Scott Mclean Hanson | Sale | 1,953 | $59.53 |
| Sep 15, 2026 | Scott Mclean Hanson | Sale | 100 | $61.00 |
| Sep 15, 2026 | Scott Mclean Hanson | Sale | 4,947 | $60.56 |
| Sep 15, 2026 | Scott Mclean Hanson | Sale | 1,953 | $59.53 |
| Sep 15, 2026 | Fumihide Esaka | Sale | 100 | $61.00 |
| Sep 15, 2026 | Fumihide Esaka | Sale | 9,615 | $60.55 |
| Sep 15, 2026 | Fumihide Esaka | Sale | 3,785 | $59.56 |
AMBQ financials (annual, from XBRL filings)
| Fiscal year end | Revenue | Net income | Diluted EPS | Operating cash flow |
|---|---|---|---|---|
| Dec 31, 2025 | $72.51M | $-36.46M | -4.57 | $-19.69M |
| Dec 31, 2024 | $76.07M | $-39.66M | -113.50 | $-21.43M |
Latest balance sheet: total assets $435.62M, total liabilities $30.95M, cash $366.77M (as of Jun 30, 2026).
AMBQ earnings / results-day log
| Date | Filing | Close that day |
|---|---|---|
| Aug 11, 2026 | 8-K Item 2.02 (results) | $65.29 |
| May 12, 2026 | 8-K Item 2.02 (results) | $66.37 |
| Mar 5, 2026 | 8-K Item 2.02 (results) | $30.06 |
| Jan 21, 2026 | 8-K Item 2.02 (results) | $33.03 |
| Nov 6, 2025 | 8-K Item 2.02 (results) | $29.21 |
| Sep 4, 2025 | 8-K Item 2.02 (results) | $40.59 |
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Information only, not investment advice. BuyMeWhiskey is not a registered investment adviser or broker-dealer; nothing here is a recommendation to buy, sell or hold any security, and there are no price targets. Data comes from SEC EDGAR filings and public end-of-day market data and may be delayed or contain errors. Verify with the company's filings before making decisions. Prices: end-of-day data as of Oct 16, 2026, 4:00 PM ET. Filings: SEC EDGAR. Updated after every US trading day.