Scott McLean Hanson - 15 Oct 2026 Form 4 Insider Report for Ambiq Micro, Inc. (AMBQ)

Reporting relationship: Chief Technology Officer, Director
Issuer ticker: AMBQ
Reported as of: 15 Oct 2026
Net transaction value: -$357,008
SEC form: 4
Accepted by SEC: 16 Oct 2026, 16:53:43 UTC
Prior SEC filing: 06 Oct 2026
Source filing: View source filing
Reporting owner signature: /s/ Jeffrey Winzeler, Attorney-in-Fact

Filing notes and source

Key filing fact

Scott McLean Hanson filed Form 4 for Ambiq Micro, Inc. (AMBQ) on 16 Oct 2026.

Key facts

This page summarizes Scott McLean Hanson's Form 4 filing for Ambiq Micro, Inc. (AMBQ).
6 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 16 Oct 2026, 16:53.

Change

Previous filing in this sequence was filed on 06 Oct 2026.
Current net transaction value: -$357,008.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0002078339 Primary reporting owner

Hanson Scott McLean

Relationship: Chief Technology Officer, Director
Address: C/O AMBIQ MICRO, INC., 6500 RIVER PLACE BLVD BUILDING 7 STE 200, AUSTIN
Signature: /s/ Jeffrey Winzeler, Attorney-in-Fact
Signature date: 16 Oct 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

AMBQ transaction

Common Stock

Options Exercise

Transaction value
Shares: +7,000
Change %: +3.3%
Price: $8.12^*
Shares after: 219,546
Date: 15 Oct 2026
Ownership: Direct
Footnotes: F1

AMBQ transaction

Common Stock

Sale

Transaction value: $29,436
Shares: -600
Change %: -0.27%
Price: $49.06
Shares after: 218,946
Date: 15 Oct 2026
Ownership: Direct
Footnotes: F1, F2

AMBQ transaction

Common Stock

Sale

Transaction value: $45,074
Shares: -900
Change %: -0.41%
Price: $50.08
Shares after: 218,046
Date: 15 Oct 2026
Ownership: Direct
Footnotes: F1, F3

AMBQ transaction

Common Stock

Sale

Transaction value: $189,148
Shares: -3,700
Change %: -1.7%
Price: $51.12
Shares after: 214,346
Date: 15 Oct 2026
Ownership: Direct
Footnotes: F1, F4

AMBQ transaction

Common Stock

Sale

Transaction value: $93,351
Shares: -1,800
Change %: -0.84%
Price: $51.86
Shares after: 212,546
Date: 15 Oct 2026
Ownership: Direct
Footnotes: F1, F5

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

AMBQ transaction Derivative

Stock Option (Right to Buy)

Options Exercise

Transaction value
Shares: -7,000
Change %: -15%
Price: $0.000000^*
Shares after: 38,279
Date: 15 Oct 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 7,000
Exercise price: $8.12
Footnotes: F1, F6

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Rule 10b5-1 trading plan

These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.

Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).

Explanation of responses 6 footnotes

Footnote F1

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

Footnote F2

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.

Footnote F3

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.

Footnote F4

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.

Footnote F5

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.

Footnote F6

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.