AMBQ · Ambiq Micro, Inc. · Insider Trading

The transactions reported in this Form 4 occurred under a Rule 10b5-1 plan adopted by the Reporting Person on May 15, 2026.

The transactions reported in this Form 4 occurred under a Rule 10b5-1 plan adopted by the Reporting Person on May 15, 2026.

The transactions reported in this Form 4 occurred under a Rule 10b5-1 plan adopted by the Reporting Person on May 15, 2026.

1/4 of the shares subject to the option vested on August 16, 2019, and 1/48 of the shares subject to the option vested in equal monthly installments thereafter, subject to the Reporting Person's continued service.

The transactions reported in this Form 4 occurred under a Rule 10b5-1 plan adopted by the Reporting Person on May 15, 2026.

The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $48.61 to $49.59 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

The transactions reported in this Form 4 occurred under a Rule 10b5-1 plan adopted by the Reporting Person on May 15, 2026.

The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $50.74 to $51.65 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

The transactions reported in this Form 4 occurred under a Rule 10b5-1 plan adopted by the Reporting Person on May 15, 2026.

The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $51.74 to $52.00 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

The transactions reported in this Form 4 occurred under a Rule 10b5-1 plan adopted by the Reporting Person on May 15, 2026.

The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $48.66 to $49.59 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

The transactions reported in this Form 4 occurred under a Rule 10b5-1 plan adopted by the Reporting Person on May 15, 2026.

The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $51.77 to $52.00 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

The transactions reported in this Form 4 occurred under a Rule 10b5-1 plan adopted by the Reporting Person on May 15, 2026.

The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $49.74 to $50.67 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

The transactions reported in this Form 4 occurred under a Rule 10b5-1 plan adopted by the Reporting Person on May 15, 2026.

1/4 of the shares subject to the option vested on February 21, 2020, and 1/48 of the shares subject to the option vested in equal monthly installments thereafter, subject to the Reporting Person's continued service.

The transactions reported in this Form 4 occurred under a Rule 10b5-1 plan adopted by the Reporting Person on May 15, 2026.

The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $50.77 to $51.75 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

The transactions reported in this Form 4 occurred under a Rule 10b5-1 plan adopted by the Reporting Person on May 15, 2026.

The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $49.75 to $50.74 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

The transactions reported in this Form 4 occurred under a Rule 10b5-1 plan adopted by the Reporting Person on June 5, 2026

The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $52.02 to $53.01 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

The transactions reported in this Form 4 occurred under a Rule 10b5-1 plan adopted by the Reporting Person on June 5, 2026

1/4 of the shares subject to the option vested on February 21, 2020, and 1/48 of the shares subject to the option vested in equal monthly installments thereafter, subject to the Reporting Person's continued service.

The transactions reported in this Form 4 occurred under a Rule 10b5-1 plan adopted by the Reporting Person on June 5, 2026

The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $51.00 to $51.90 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

The transactions reported in this Form 4 occurred under a Rule 10b5-1 plan adopted by the Reporting Person on June 5, 2026

The transactions reported in this Form 4 occurred under a Rule 10b5-1 plan adopted by the Reporting Person on June 5, 2026

The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $50.00 to $50.98 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

The transactions reported in this Form 4 occurred under a Rule 10b5-1 plan adopted by the Reporting Person on June 5, 2026

The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $53.04 to $53.91 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

The transactions reported in this Form 4 occurred under a Rule 10b5-1 plan adopted by the Reporting Person on June 5, 2026

The transactions occurred under a Rule 10b5-1 plan adopted by the Reporting Person on June 5, 2026.

The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $67.93 to $68.17 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

The transactions occurred under a Rule 10b5-1 plan adopted by the Reporting Person on June 5, 2026.

The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $66.90 to $67.85 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

The transactions occurred under a Rule 10b5-1 plan adopted by the Reporting Person on June 5, 2026.

The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $65.90 to $66.89 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

The transactions occurred under a Rule 10b5-1 plan adopted by the Reporting Person on June 5, 2026.

This sale reported on this Form 4 was effected pursuant to the Issuer's policy requiring sell-to-cover to satisfy certain tax obligations of the Reporting Person incurred with the vesting and settlement of certain restricted stock units.

The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $68.41 to $69.40 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

This sale reported on this Form 4 was effected pursuant to the Issuer's policy requiring sell-to-cover to satisfy certain tax obligations of the Reporting Person incurred with the vesting and settlement of certain restricted stock units.

The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $69.41 to $70.16 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

This sale reported on this Form 4 was effected pursuant to the Issuer's policy requiring sell-to-cover to satisfy certain tax obligations of the Reporting Person incurred with the vesting and settlement of certain restricted stock units.

The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $68.41 to $69.40 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

This sale reported on this Form 4 was effected pursuant to the Issuer's policy requiring sell-to-cover to satisfy certain tax obligations of the Reporting Person incurred with the vesting and settlement of certain restricted stock units.

The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $69.41 to $70.16 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

This sale reported on this Form 4 was effected pursuant to the Issuer's policy requiring sell-to-cover to satisfy certain tax obligations of the Reporting Person incurred with the vesting and settlement of certain restricted stock units.

The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $68.41 to $69.40 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

This sale reported on this Form 4 was effected pursuant to the Issuer's policy requiring sell-to-cover to satisfy certain tax obligations of the Reporting Person incurred with the vesting and settlement of certain restricted stock units.

The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $71.50 to $72.26 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

This sale reported on this Form 4 was effected pursuant to the Issuer's policy requiring sell-to-cover to satisfy certain tax obligations of the Reporting Person incurred with the vesting and settlement of certain restricted stock units.

The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $69.41 to $70.16 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

This sale reported on this Form 4 was effected pursuant to the Issuer's policy requiring sell-to-cover to satisfy certain tax obligations of the Reporting Person incurred with the vesting and settlement of certain restricted stock units.

The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $71.50 to $72.26 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

This sale reported on this Form 4 was effected pursuant to the Issuer's policy requiring sell-to-cover to satisfy certain tax obligations of the Reporting Person incurred with the vesting and settlement of certain restricted stock units.

The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $69.41 to $70.16 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

This sale reported on this Form 4 was effected pursuant to the Issuer's policy requiring sell-to-cover to satisfy certain tax obligations of the Reporting Person incurred with the vesting and settlement of certain restricted stock units.

The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $71.50 to $72.26 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

This sale reported on this Form 4 was effected pursuant to the Issuer's policy requiring sell-to-cover to satisfy certain tax obligations of the Reporting Person incurred with the vesting and settlement of certain restricted stock units.

The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $68.41 to $69.40 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

This sale reported on this Form 4 was effected pursuant to the Issuer's policy requiring sell-to-cover to satisfy certain tax obligations of the Reporting Person incurred with the vesting and settlement of certain restricted stock units.

The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $71.50 to $72.26 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

The transactions reported in this Form 4 occurred under a Rule 10b5-1 plan adopted by the Reporting Person on May 15, 2026.

The transactions occurred under a Rule 10b5-1 plan adopted by the Reporting Person on May 15, 2026.

The transactions reported in this Form 4 occurred under a Rule 10b5-1 plan adopted by the Reporting Person on May 15, 2026.

The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $58.93 to $59.88 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

The transactions reported in this Form 4 occurred under a Rule 10b5-1 plan adopted by the Reporting Person on May 15, 2026.

The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $59.97 to $60.82 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

The transactions reported in this Form 4 occurred under a Rule 10b5-1 plan adopted by the Reporting Person on May 15, 2026.

1/4 of the shares subject to the option vested on August 16, 2019, and 1/48 of the shares subject to the option vested in equal monthly installments thereafter, subject to the Reporting Person's continued service.

The transactions occurred under a Rule 10b5-1 plan adopted by the Reporting Person on May 15, 2026.

The transactions occurred under a Rule 10b5-1 plan adopted by the Reporting Person on May 15, 2026.

The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $59.96 to $60.80 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

The transactions reported in this Form 4 occurred under a Rule 10b5-1 plan adopted by the Reporting Person on May 15, 2026.

The transactions occurred under a Rule 10b5-1 plan adopted by the Reporting Person on May 15, 2026.

The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $58.95 to $59.94 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

The transactions occurred under a Rule 10b5-1 plan adopted by the Reporting Person on May 15, 2026.

1/4 of the shares subject to the option vested on February 21, 2020, and 1/48 of the shares subject to the option vested in equal monthly installments thereafter, subject to the Reporting Person's continued service.

The transactions reported in this Form 4 occurred under a Rule 10b5-1 plan adopted by the Reporting Person on June 5, 2026

The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $59.67 to $60.66 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

The transactions reported in this Form 4 occurred under a Rule 10b5-1 plan adopted by the Reporting Person on June 5, 2026

The transactions reported in this Form 4 occurred under a Rule 10b5-1 plan adopted by the Reporting Person on June 5, 2026

The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $58.63 to $59.57 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

The transactions reported in this Form 4 occurred under a Rule 10b5-1 plan adopted by the Reporting Person on June 5, 2026

The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $60.72 to $61.06 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

The transactions reported in this Form 4 occurred under a Rule 10b5-1 plan adopted by the Reporting Person on June 5, 2026

1/4 of the shares subject to the option vested on February 21, 2020, and 1/48 of the shares subject to the option vested in equal monthly installments thereafter, subject to the Reporting Person's continued service.