Transaction · 0002078339-26-000018

Hanson Scott McLean

Hanson Scott McLean, CTO, reported an open-market or private sale at Ambiq Micro, Inc. involving 3728.000000 shares for an estimated $257635.74. Reported holdings after the transaction were 217498.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

Open-market sellSEC transaction code SCTO

AMBQAmbiq Micro, Inc.

Filing timeOct 06

Trade dateOct 02, 2026

Filing · SECView on SEC

InsiderProfile

% of reported position traded1.69%Shares sold ÷ (holdings after + shares sold). Estimated position before: 221,226 shares.

Row-level estimate for this security and ownership context, not the insider’s complete portfolio. Joint ownership, other transactions in the filing, amendments and footnotes can affect interpretation.

Price performance since filing

Close on the filing date, the pre-filing context, and the forward return at standard windows

Price at filing

$63.24

Pre-filing

1mo ago -9.4%1w ago +10.4%1d ago +9.3%

Returns since

7d30d90d180d1y

AMBQ price since this filing

30 days of pre-filing context and vertical markers at the filing date plus 7d / 30d / 90d / 180d / 1y afterwards

AMBQ since 2026-10-06Filed yesterday · 1 day of post-filing data

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Filing datePost-filing windows (7d, 30d, 90d, 180d, 1y)30 days of pre-filing context

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative

Type: Sell
Identifier: 0002078339-26-000018
Transaction date: Oct 02, 2026
Shares: 3.72k sh
Estimated value: -$257k
Holdings after: 217k sh

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $100kLarge $1.00M

Cluster Selling Direct Ownership Repeat Seller

+6score

Filing-only score

+6

Compact filing score computed from stored Form 4 facts. Version v1.

Positive filing signal

This filing has a modest positive filing-only score. Treat it as a useful flag for review, not as a buy signal.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

Chief Technology Officer

Officer YesDirector Yes10% NoOther No

Footnotes & amended

F1
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 settleme…
F2
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 p…
F3
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 p…
F4
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 p…

Original filing · 0002078339-26-000018

Related transactions

0 other filings

Same reporting owner

Recent company activity

0 recent txs

AMBQ