Stocks · Technology · Semiconductors & Related Devices

Ambiq Micro, Inc.

AMBQ Clue Score24
United States Fiscal year ends December CIK 0001500412
58.56
-0.58%
Close, 9 Oct 2026 · USD

Price, with every insider trade on it

Closing prices, 12 months · point at a dot for who traded, or at the line for the close
58.56 on 9 Oct 2026
90 57 23 Oct 2025 Apr 2026 Oct 2026 13 Oct 2025 $32.08 14 Oct 2025 $32.04 15 Oct 2025 $31.57 16 Oct 2025 $29.42 17 Oct 2025 $30.36 20 Oct 2025 $31.78 21 Oct 2025 $31.91 22 Oct 2025 $29.63 23 Oct 2025 $30.36 24 Oct 2025 $31.09 27 Oct 2025 $30.45 28 Oct 2025 $29.62 29 Oct 2025 $30.41 30 Oct 2025 $29.72 31 Oct 2025 $30.56 3 Nov 2025 $29.29 4 Nov 2025 $27.54 5 Nov 2025 $28.41 6 Nov 2025 $29.21 7 Nov 2025 $27.27 10 Nov 2025 $28.75 11 Nov 2025 $28.71 12 Nov 2025 $28.05 13 Nov 2025 $25.87 14 Nov 2025 $24.66 17 Nov 2025 $24.26 18 Nov 2025 $23.06 19 Nov 2025 $23.54 20 Nov 2025 $22.76 21 Nov 2025 $23.42 24 Nov 2025 $23.75 25 Nov 2025 $23.44 26 Nov 2025 $24.08 28 Nov 2025 $24.51 1 Dec 2025 $23.93 2 Dec 2025 $24.86 3 Dec 2025 $27.53 4 Dec 2025 $27.99 5 Dec 2025 $29.00 8 Dec 2025 $29.31 9 Dec 2025 $29.47 10 Dec 2025 $30.20 11 Dec 2025 $30.16 12 Dec 2025 $29.12 15 Dec 2025 $27.38 16 Dec 2025 $27.66 17 Dec 2025 $27.21 18 Dec 2025 $28.85 19 Dec 2025 $30.37 22 Dec 2025 $30.92 23 Dec 2025 $30.41 24 Dec 2025 $30.83 26 Dec 2025 $30.00 29 Dec 2025 $29.16 30 Dec 2025 $29.32 31 Dec 2025 $28.50 2 Jan 2026 $30.35 5 Jan 2026 $30.67 6 Jan 2026 $32.35 7 Jan 2026 $32.29 8 Jan 2026 $32.40 9 Jan 2026 $33.34 12 Jan 2026 $35.19 13 Jan 2026 $32.88 14 Jan 2026 $35.22 15 Jan 2026 $34.89 16 Jan 2026 $34.64 20 Jan 2026 $33.02 21 Jan 2026 $33.03 22 Jan 2026 $32.70 23 Jan 2026 $33.26 26 Jan 2026 $31.72 27 Jan 2026 $31.37 28 Jan 2026 $32.67 29 Jan 2026 $32.99 30 Jan 2026 $30.39 2 Feb 2026 $30.84 3 Feb 2026 $30.32 4 Feb 2026 $29.50 5 Feb 2026 $28.72 6 Feb 2026 $29.94 9 Feb 2026 $29.69 10 Feb 2026 $29.37 11 Feb 2026 $29.32 12 Feb 2026 $29.32 13 Feb 2026 $29.59 17 Feb 2026 $29.63 18 Feb 2026 $29.65 19 Feb 2026 $30.18 20 Feb 2026 $29.74 23 Feb 2026 $30.07 24 Feb 2026 $31.54 25 Feb 2026 $32.61 26 Feb 2026 $32.36 27 Feb 2026 $30.70 2 Mar 2026 $30.76 3 Mar 2026 $29.30 4 Mar 2026 $28.07 5 Mar 2026 $30.06 6 Mar 2026 $28.39 9 Mar 2026 $29.04 10 Mar 2026 $30.63 11 Mar 2026 $31.35 12 Mar 2026 $26.92 13 Mar 2026 $25.36 16 Mar 2026 $26.25 17 Mar 2026 $25.98 18 Mar 2026 $25.53 19 Mar 2026 $25.91 20 Mar 2026 $24.24 23 Mar 2026 $25.36 24 Mar 2026 $25.39 25 Mar 2026 $25.21 26 Mar 2026 $24.60 27 Mar 2026 $23.77 30 Mar 2026 $23.68 31 Mar 2026 $25.41 1 Apr 2026 $26.93 2 Apr 2026 $28.53 6 Apr 2026 $28.28 7 Apr 2026 $27.75 8 Apr 2026 $29.10 9 Apr 2026 $28.82 10 Apr 2026 $28.82 13 Apr 2026 $29.54 14 Apr 2026 $30.00 15 Apr 2026 $31.60 16 Apr 2026 $32.28 17 Apr 2026 $34.76 20 Apr 2026 $35.12 21 Apr 2026 $35.30 22 Apr 2026 $35.44 23 Apr 2026 $35.08 24 Apr 2026 $35.48 27 Apr 2026 $34.82 28 Apr 2026 $34.82 29 Apr 2026 $34.75 30 Apr 2026 $37.48 1 May 2026 $40.39 4 May 2026 $39.36 5 May 2026 $40.49 6 May 2026 $41.35 7 May 2026 $38.00 8 May 2026 $44.18 11 May 2026 $45.67 12 May 2026 $66.37 13 May 2026 $71.29 14 May 2026 $73.30 15 May 2026 $70.57 18 May 2026 $71.34 19 May 2026 $71.14 20 May 2026 $76.61 21 May 2026 $76.56 22 May 2026 $81.67 26 May 2026 $83.55 27 May 2026 $80.57 28 May 2026 $82.97 29 May 2026 $79.66 1 Jun 2026 $77.40 2 Jun 2026 $82.81 3 Jun 2026 $82.80 4 Jun 2026 $85.00 5 Jun 2026 $74.49 8 Jun 2026 $79.15 9 Jun 2026 $76.04 10 Jun 2026 $75.12 11 Jun 2026 $83.39 12 Jun 2026 $84.72 15 Jun 2026 $85.49 16 Jun 2026 $82.05 17 Jun 2026 $79.12 18 Jun 2026 $90.48 22 Jun 2026 $88.56 23 Jun 2026 $79.78 24 Jun 2026 $81.18 25 Jun 2026 $83.43 26 Jun 2026 $80.15 29 Jun 2026 $85.05 30 Jun 2026 $88.30 1 Jul 2026 $88.40 2 Jul 2026 $82.85 6 Jul 2026 $83.82 7 Jul 2026 $75.48 8 Jul 2026 $81.93 9 Jul 2026 $85.59 10 Jul 2026 $85.28 13 Jul 2026 $81.35 14 Jul 2026 $85.48 15 Jul 2026 $82.22 16 Jul 2026 $74.46 17 Jul 2026 $72.43 20 Jul 2026 $73.37 21 Jul 2026 $78.14 22 Jul 2026 $77.55 23 Jul 2026 $74.77 24 Jul 2026 $70.28 27 Jul 2026 $68.28 28 Jul 2026 $60.32 29 Jul 2026 $57.26 30 Jul 2026 $63.23 31 Jul 2026 $63.59 3 Aug 2026 $64.91 4 Aug 2026 $67.53 5 Aug 2026 $63.01 6 Aug 2026 $65.24 7 Aug 2026 $67.49 10 Aug 2026 $63.92 11 Aug 2026 $65.29 12 Aug 2026 $65.59 13 Aug 2026 $64.34 14 Aug 2026 $64.51 17 Aug 2026 $67.86 18 Aug 2026 $63.01 19 Aug 2026 $59.19 20 Aug 2026 $57.82 21 Aug 2026 $59.02 24 Aug 2026 $56.73 25 Aug 2026 $60.12 26 Aug 2026 $58.98 27 Aug 2026 $60.09 28 Aug 2026 $57.34 31 Aug 2026 $58.31 1 Sep 2026 $55.94 2 Sep 2026 $57.30 3 Sep 2026 $56.43 4 Sep 2026 $57.45 8 Sep 2026 $59.62 9 Sep 2026 $63.77 10 Sep 2026 $60.66 11 Sep 2026 $63.52 14 Sep 2026 $59.61 15 Sep 2026 $60.85 16 Sep 2026 $59.90 17 Sep 2026 $62.35 18 Sep 2026 $65.46 21 Sep 2026 $71.09 22 Sep 2026 $71.05 23 Sep 2026 $69.13 24 Sep 2026 $68.92 25 Sep 2026 $69.79 28 Sep 2026 $68.30 29 Sep 2026 $64.81 30 Sep 2026 $68.17 1 Oct 2026 $69.15 2 Oct 2026 $68.18 5 Oct 2026 $65.92 6 Oct 2026 $63.24 7 Oct 2026 $61.98 8 Oct 2026 $58.90 9 Oct 2026 $58.56 TAUTGES JOSEPH A Director Sold at will $241.80K 26 Jan 2026 · at $31.00 · 13.8% of stake Hanson Scott McLean Chief Technology Officer Sold at will $310.00K 26 Jan 2026 · at $31.00 · 7.5% of stake Connors Michele Kim General Counsel Sold at will $21.21K 2 Apr 2026 · at $26.15 · 1.3% of stake Hanson Scott McLean Chief Technology Officer Sold at will $706.25K 14 May 2026 · at $69.24 · 4.8% of stake Winzeler Jeffrey G Chief Financial Officer Sold at will $1.82M 14 May 2026 · at $69.90 · 21.6% of stake Esaka Fumihide Chief Executive Officer Sold at will $4.20M 14 May 2026 · at $70.02 · 13.3% of stake Chen Sean Chihhsiang President and COO Sold at will $3.95M 15 May 2026 · at $70.89 · 31.6% of stake Chen Timothy Director Sold at will $5.63M 27 May 2026 · at $79.79 · 100% of stake Hanson Scott McLean Chief Technology Officer Sold on a plan $450.64K 14 Aug 2026 · at $64.38 · 3.2% of stake Esaka Fumihide Chief Executive Officer Sold on a plan $869.23K 14 Aug 2026 · at $64.39 · 2.9% of stake Hanson Scott McLean Chief Technology Officer Sold at will $1.64M 26 Aug 2026 · at $59.58 · 11.1% of stake Hanson Scott McLean Chief Technology Officer Sold at will $1.64M 27 Aug 2026 · at $59.80 · 11.1% of stake Esaka Fumihide Chief Executive Officer Sold on a plan $2.79M 31 Aug 2026 · at $57.44 · 9.7% of stake Esaka Fumihide Chief Executive Officer Sold on a plan $2.76M 1 Sep 2026 · at $56.39 · 9.6% of stake Esaka Fumihide Chief Executive Officer Sold on a plan $625.11K 2 Sep 2026 · at $56.69 · 2.3% of stake ZHANG KER Director Sold at will $10.53K 4 Sep 2026 · at $56.92 · 0.6% of stake Chen Sean Chihhsiang President and COO Sold on a plan $857.56K 4 Sep 2026 · at $57.17 · 11.1% of stake ZHANG KER Director Sold at will $634.36K 11 Sep 2026 · at $63.44 · 32.9% of stake Esaka Fumihide Chief Executive Officer Sold on a plan $3.17M 11 Sep 2026 · at $63.36 · 9.8% of stake Chen Sean Chihhsiang President and COO Sold on a plan $902.13K 14 Sep 2026 · at $60.14 · 11.1% of stake Hanson Scott McLean Chief Technology Officer Sold on a plan $421.94K 15 Sep 2026 · at $60.28 · 3.1% of stake Esaka Fumihide Chief Executive Officer Sold on a plan $813.72K 15 Sep 2026 · at $60.28 · 2.8% of stake Winzeler Jeffrey G Chief Financial Officer Sold at will $379.64K 2 Oct 2026 · at $69.60 · 5.1% of stake Chen Sean Chihhsiang President and COO Sold on a plan $403.79K 2 Oct 2026 · at $69.60 · 4.8% of stake Hanson Scott McLean Chief Technology Officer Sold at will $604.09K 2 Oct 2026 · at $69.60 · 3.9% of stake Esaka Fumihide Chief Executive Officer Sold at will $1.15M 2 Oct 2026 · at $69.60 · 3.6% of stake Chen Sean Chihhsiang President and COO Sold on a plan $547.95K 5 Oct 2026 · at $66.78 · 7.2% of stake
0 buys15 sales at will12 planned sales

Key numbers

Fiscal year 2025, ended 31 Dec 2025, as filed
Revenue
$72.51M
Net income
$36.46M
Free cash flow
$19.69M
Gross margin
44.3%
Operating margin
-54.5%
Net margin
-50.3%
Return on equity
-22.4%
Return on capital
-19.2%
Revenue growth, 1 yr
-4.7%

Revenue and net income

Fiscal years, as filed with the SEC · point at a year for the detail
76M -40M FY24 Fiscal year 2024 Revenue $76.07M Net income $39.66M Margin -52.1% 73M -36M FY25 Fiscal year 2025 Revenue $72.51M Net income $36.46M Margin -50.3% · growth -4.7%
RevenueNet incomeLoss

Latest insider transactions

From Form 4, most recent first
All of them →
DateInsiderTypeValueOf own stake
5 Oct 2026 Chen Sean Chihhsiang
President and COO
Sold on a plan $547.95K 7.2%
2 Oct 2026 Esaka Fumihide
Chief Executive Officer
Sold at will $1.15M 3.6%
2 Oct 2026 Hanson Scott McLean
Chief Technology Officer
Sold at will $604.09K 3.9%
2 Oct 2026 Chen Sean Chihhsiang
President and COO
Sold on a plan $403.79K 4.8%
2 Oct 2026 Winzeler Jeffrey G
Chief Financial Officer
Sold at will $379.64K 5.1%
15 Sep 2026 Esaka Fumihide
Chief Executive Officer
Sold on a plan $813.72K 2.8%