Insider trade

CFO sold ~$20K of AMBQ shares in the open market

Traded Oct 2, 2026 · Filed Oct 7, 2026

~$20K
Approx. value · 284 sh @ $71.86: 101K
Holds after · shares reported: −7.3%
Since filing · from the first close after the filing, $68.18 → $63.24 on Oct 6, S&P 500 +1.2%

Why it stands out

The CFO of Ambiq Micro sold $20K of Ambiq Micro shares. The filing references tax withholding.

Written from the filing's own figures. OQRO describes what was reported and never tells you what to buy or sell

View the official recordSEC Form 4 — Statement of Changes in Beneficial Ownership

All the details

CFO<$25KPre-arranged plan referenced

Classification

open market sale

Code S — open-market or private sale

Absolute commitment

~$20,408

Shares × reported transaction price

Timing vs results

52 days after results of Aug 11, 2026

Results dates are the company's own 8-K (Item 2.02). Many companies only let insiders trade in a window after results

Planned / mechanical clue

Footnote references tax withholding

Only flagged when a footnote says so; never inferred

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.

Automatic saleFiled today

Automatic saleFiled today

Automatic saleFiled yesterday