Ambiq Micro, Inc. filings document the public-company record for a fabless semiconductor issuer focused on ultra-low-power edge AI chips and software. Its SEC disclosures include S-1 registration materials for common stock offerings, 8-K reports on quarterly and annual financial results, and exchange-listing details for AMBQ common stock on the New York Stock Exchange.
Proxy and current-report filings cover shareholder voting matters, director elections, audit-firm ratification, board composition, executive compensation, equity awards, and other governance subjects. Capital-structure disclosures identify common stock terms and offering-related updates.
Ambiq Micro, Inc. (AMBQ) director Ker Zhang exercised a stock option on September 4, 2026, converting rights for 1,785 shares of common stock at an exercise price of $5.88 per share. On the same date, Zhang sold 185 shares of common stock at $56.92 per share. The option covered by this transaction was fully exercised and reported as having no remaining balance, and no Rule 10b5-1 trading plan is reported.
Ambiq Micro, Inc. (AMBQ) reports that officer Sean Chen has filed a notice of proposed sale of company common stock under Rule 144. The planned sales involve up to 30,000 shares of common stock to be received and sold upon the exercise of stock options over a three‑month period.
The shares are to be sold through Morgan Stanley Smith Barney LLC – Executive Financial Services, with an indicated aggregate market value of $1,692,900 and an approximate number of 24,184,536 shares of Ambiq Micro common stock outstanding. The intended transaction date listed is September 4, 2026, and the securities are listed on the NYSE.
Ambiq Micro, Inc. (AMBQ) director Ker Zhang filed a notice under Rule 144 to sell 185 shares of common stock. The proposed sale is planned for September 4, 2026 on the NYSE, with an aggregate market value of $10,530.20, based on shares outstanding of 24,184,536.
The shares are to be issued through an exercise of options under a registered plan, with the issuer as the counterparty and the transaction to be settled in cash, using Morgan Stanley Smith Barney LLC Executive Financial Services as broker.
Ambiq Micro, Inc. (AMBQ) reports that Chief Executive Officer and director Fumihide Esaka exercised stock options covering 117,771 shares of common stock at exercise prices of $8.12 and $12.60 per share between August 31 and September 2, 2026. Over the same period, he sold 108,500 shares of common stock in a series of open-market transactions at weighted-average prices reported between $55.45 and $58.74 per share. The filing states these transactions occurred under a Rule 10b5-1 trading plan adopted on May 15, 2026.
Ambiq Micro, Inc. (AMBQ) received a notice under Rule 144 that Fumihide (Humi) Esaka intends to sell 11,027 shares of common stock, expected to be sold through Morgan Stanley Smith Barney LLC on September 2, 2026, following an exercise of options under a registered plan.
The shares proposed for sale have an indicated aggregate market value of $625,108.50. Ambiq Micro reports that 24,184,536 shares of common stock were outstanding, which is a baseline figure, not the amount being sold.
Ambiq Micro, Inc. (AMBQ) is the issuer of common stock that Fumihide (Humi) Esaka has notified for potential resale under Rule 144. The notice covers 48,973 shares of common stock, held through Morgan Stanley Smith Barney LLC Executive Financial Services. The securities section reports an aggregate market value of $2,761,533.60 for these shares and shows 24,184,536 shares outstanding as of 09/01/2026; this is a baseline figure, not the amount being sold. The shares to be sold are linked to an exercise of options under a registered plan for cash, with Ambiq Micro common stock listed on the NYSE. Esaka also reports prior sales over the past three months.
Ambiq Micro, Inc. (AMBQ) received a Rule 144 notice from Fumihide (Humi) Esaka covering a planned sale of 35,000 shares of common stock through Morgan Stanley Smith Barney LLC. The shares are tied to an exercise of options under a registered plan, acquired from the issuer for cash. The filing lists an aggregate market value of $2,009,854.00 for the planned sale and shows 24,184,536 shares of common stock outstanding as of this notice. In the prior three months, Esaka reported selling 13,500 shares of common stock for $869,225.85.
Ambiq Micro, Inc. (AMBQ) reported insider transactions by Chief Technology Officer Hanson Scott McLean involving option exercises and share sales on August 26–27, 2026. McLean exercised stock options for a total of 65,000 shares of common stock at an exercise price of $8.12 per share, then sold 55,000 shares of common stock in open-market transactions at weighted average prices ranging from about $59.58 to $60.32 per share, according to footnote price ranges. The sales were executed in multiple trades within specified price ranges, and no post-transaction share holdings are reported in this filing.
Ambiq Micro, Inc. (AMBQ) received a notice under Rule 144 that Scott Hanson intends to sell 27,500 shares of common stock through Morgan Stanley Smith Barney LLC. The shares have an aggregate market value of $1,644,610.00, with Ambiq Micro reporting 24,184,536 shares outstanding as of this notice. The planned sale on 08/27/2026 is tied to the exercise of options under a registered plan, and follows prior sales over the past three months.
Ambiq Micro, Inc. (AMBQ) disclosed that officer Scott Hanson filed a Rule 144 notice to sell restricted common stock. The notice covers a proposed sale of 27,500 shares of common stock through Morgan Stanley Smith Barney, with an aggregate market value of $1,638,469.25, against 24,185,000 shares outstanding. The shares to be sold were acquired by exercise of options under a registered plan for cash. During the prior three months, Hanson sold 7,000 shares for $450,273.71.